Imported Upstream version 2012.01.05

[youtubedl] / youtube-dl

diff --git a/youtube-dl b/youtube-dl
index 5afff4e61879526235ff5f262ce4be188c122725..818a3a73a20ec18a7e0aa55cf687a765e09eb0df 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -1,9 +1,32 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-

-# Author: Ricardo Garcia Gonzalez
-# Author: Danny Colligan
-# License: Public domain code
+
+__authors__  = (
+       'Ricardo Garcia Gonzalez',
+       'Danny Colligan',
+       'Benjamin Johnson',
+       'Vasyl\' Vavrychuk',
+       'Witold Baryluk',
+       'Paweł Paprota',
+       'Gergely Imreh',
+       'Rogério Brito',
+       'Philipp Hagemeister',
+       'Sören Schulze',
+       'Kevin Ngo',
+       'Ori Avtalion',
+       'shizeeg',
+       )
+
+__license__ = 'Public Domain'
+__version__ = '2012.01.05'
+
+UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
+
+import cookielib
+import datetime
+import gzip

 import htmlentitydefs
 import htmlentitydefs

+import HTMLParser

 import httplib
 import locale
 import math
 import httplib
 import locale
 import math


@@ -13,19 +36,162 @@ import os.path
 import re
 import socket
 import string
 import re
 import socket
 import string

+import subprocess

 import sys
 import time
 import urllib
 import urllib2
 import sys
 import time
 import urllib
 import urllib2

+import warnings
+import zlib
+
+if os.name == 'nt':
+       import ctypes
+
+try:
+       import email.utils
+except ImportError: # Python 2.4
+       import email.Utils
+try:
+       import cStringIO as StringIO
+except ImportError:
+       import StringIO
+
+# parse_qs was moved from the cgi module to the urlparse module recently.
+try:
+       from urlparse import parse_qs
+except ImportError:
+       from cgi import parse_qs
+
+try:
+       import lxml.etree
+except ImportError:
+       pass # Handled below
+
+try:
+       import xml.etree.ElementTree
+except ImportError: # Python<2.5: Not officially supported, but let it slip
+       warnings.warn('xml.etree.ElementTree support is missing. Consider upgrading to Python >= 2.5 if you get related errors.')

 
 std_headers = {
 
 std_headers = {

-       'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2',
+       'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1',

        'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
        'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',

-       'Accept': 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
+       'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
+       'Accept-Encoding': 'gzip, deflate',

        'Accept-Language': 'en-us,en;q=0.5',
 }
 
        'Accept-Language': 'en-us,en;q=0.5',
 }
 

-simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
+try:
+       import json
+except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
+       import re
+       class json(object):
+               @staticmethod
+               def loads(s):
+                       s = s.decode('UTF-8')
+                       def raiseError(msg, i):
+                               raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
+                       def skipSpace(i, expectMore=True):
+                               while i < len(s) and s[i] in ' \t\r\n':
+                                       i += 1
+                               if expectMore:
+                                       if i >= len(s):
+                                               raiseError('Premature end', i)
+                               return i
+                       def decodeEscape(match):
+                               esc = match.group(1)
+                               _STATIC = {
+                                       '"': '"',
+                                       '\\': '\\',
+                                       '/': '/',
+                                       'b': unichr(0x8),
+                                       'f': unichr(0xc),
+                                       'n': '\n',
+                                       'r': '\r',
+                                       't': '\t',
+                               }
+                               if esc in _STATIC:
+                                       return _STATIC[esc]
+                               if esc[0] == 'u':
+                                       if len(esc) == 1+4:
+                                               return unichr(int(esc[1:5], 16))
+                                       if len(esc) == 5+6 and esc[5:7] == '\\u':
+                                               hi = int(esc[1:5], 16)
+                                               low = int(esc[7:11], 16)
+                                               return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
+                               raise ValueError('Unknown escape ' + str(esc))
+                       def parseString(i):
+                               i += 1
+                               e = i
+                               while True:
+                                       e = s.index('"', e)
+                                       bslashes = 0
+                                       while s[e-bslashes-1] == '\\':
+                                               bslashes += 1
+                                       if bslashes % 2 == 1:
+                                               e += 1
+                                               continue
+                                       break
+                               rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
+                               stri = rexp.sub(decodeEscape, s[i:e])
+                               return (e+1,stri)
+                       def parseObj(i):
+                               i += 1
+                               res = {}
+                               i = skipSpace(i)
+                               if s[i] == '}': # Empty dictionary
+                                       return (i+1,res)
+                               while True:
+                                       if s[i] != '"':
+                                               raiseError('Expected a string object key', i)
+                                       i,key = parseString(i)
+                                       i = skipSpace(i)
+                                       if i >= len(s) or s[i] != ':':
+                                               raiseError('Expected a colon', i)
+                                       i,val = parse(i+1)
+                                       res[key] = val
+                                       i = skipSpace(i)
+                                       if s[i] == '}':
+                                               return (i+1, res)
+                                       if s[i] != ',':
+                                               raiseError('Expected comma or closing curly brace', i)
+                                       i = skipSpace(i+1)
+                       def parseArray(i):
+                               res = []
+                               i = skipSpace(i+1)
+                               if s[i] == ']': # Empty array
+                                       return (i+1,res)
+                               while True:
+                                       i,val = parse(i)
+                                       res.append(val)
+                                       i = skipSpace(i) # Raise exception if premature end
+                                       if s[i] == ']':
+                                               return (i+1, res)
+                                       if s[i] != ',':
+                                               raiseError('Expected a comma or closing bracket', i)
+                                       i = skipSpace(i+1)
+                       def parseDiscrete(i):
+                               for k,v in {'true': True, 'false': False, 'null': None}.items():
+                                       if s.startswith(k, i):
+                                               return (i+len(k), v)
+                               raiseError('Not a boolean (or null)', i)
+                       def parseNumber(i):
+                               mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
+                               if mobj is None:
+                                       raiseError('Not a number', i)
+                               nums = mobj.group(1)
+                               if '.' in nums or 'e' in nums or 'E' in nums:
+                                       return (i+len(nums), float(nums))
+                               return (i+len(nums), int(nums))
+                       CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
+                       def parse(i):
+                               i = skipSpace(i)
+                               i,res = CHARMAP.get(s[i], parseNumber)(i)
+                               i = skipSpace(i, False)
+                               return (i,res)
+                       i,res = parse(0)
+                       if i < len(s):
+                               raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
+                       return res

 
 def preferredencoding():
        """Get preferred encoding.
 
 def preferredencoding():
        """Get preferred encoding.


@@ -33,25 +199,116 @@ def preferredencoding():
        Returns the best encoding scheme for the system, based on
        locale.getpreferredencoding() and some further tweaks.
        """
        Returns the best encoding scheme for the system, based on
        locale.getpreferredencoding() and some further tweaks.
        """

+       def yield_preferredencoding():
+               try:
+                       pref = locale.getpreferredencoding()
+                       u'TEST'.encode(pref)
+               except:
+                       pref = 'UTF-8'
+               while True:
+                       yield pref
+       return yield_preferredencoding().next()
+
+
+def htmlentity_transform(matchobj):
+       """Transforms an HTML entity to a Unicode character.
+
+       This function receives a match object and is intended to be used with
+       the re.sub() function.
+       """
+       entity = matchobj.group(1)
+
+       # Known non-numeric HTML entity
+       if entity in htmlentitydefs.name2codepoint:
+               return unichr(htmlentitydefs.name2codepoint[entity])
+
+       # Unicode character
+       mobj = re.match(ur'(?u)#(x?\d+)', entity)
+       if mobj is not None:
+               numstr = mobj.group(1)
+               if numstr.startswith(u'x'):
+                       base = 16
+                       numstr = u'0%s' % numstr
+               else:
+                       base = 10
+               return unichr(long(numstr, base))
+
+       # Unknown entity in name, return its literal representation
+       return (u'&%s;' % entity)
+
+
+def sanitize_title(utitle):
+       """Sanitizes a video title so it could be used as part of a filename."""
+       utitle = re.sub(ur'(?u)&(.+?);', htmlentity_transform, utitle)
+       return utitle.replace(unicode(os.sep), u'%')
+
+
+def sanitize_open(filename, open_mode):
+       """Try to open the given filename, and slightly tweak it if this fails.
+
+       Attempts to open the given filename. If this fails, it tries to change
+       the filename slightly, step by step, until it's either able to open it
+       or it fails and raises a final exception, like the standard open()
+       function.
+
+       It returns the tuple (stream, definitive_file_name).
+       """

        try:
        try:

-               pref = locale.getpreferredencoding()
-               # Mac OSX systems have this problem sometimes
-               if pref == '':
-                       return 'UTF-8'
-               return pref
-       except:
-               sys.stderr.write('WARNING: problem obtaining preferred encoding. Falling back to UTF-8.\n')
-               return 'UTF-8'
+               if filename == u'-':
+                       if sys.platform == 'win32':
+                               import msvcrt
+                               msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+                       return (sys.stdout, filename)
+               stream = open(filename, open_mode)
+               return (stream, filename)
+       except (IOError, OSError), err:
+               # In case of error, try to remove win32 forbidden chars
+               filename = re.sub(ur'[/<>:"\|\?\*]', u'#', filename)
+
+               # An exception here should be caught in the caller
+               stream = open(filename, open_mode)
+               return (stream, filename)
+
+
+def timeconvert(timestr):
+       """Convert RFC 2822 defined time string into system timestamp"""
+       timestamp = None
+       timetuple = email.utils.parsedate_tz(timestr)
+       if timetuple is not None:
+               timestamp = email.utils.mktime_tz(timetuple)
+       return timestamp
+
+def _simplify_title(title):
+       expr = re.compile(ur'[^\w\d_\-]+', flags=re.UNICODE)
+       return expr.sub(u'_', title).strip(u'_')
+
+def _orderedSet(iterable):
+       """ Remove all duplicates from the input iterable """
+       res = []
+       for el in iterable:
+               if el not in res:
+                       res.append(el)
+       return res
+
+def _unescapeHTML(s):
+    """
+    @param s a string (of type unicode)
+    """
+    assert type(s) == type(u'')
+
+    htmlParser = HTMLParser.HTMLParser()
+    return htmlParser.unescape(s)

 
 class DownloadError(Exception):
        """Download Error exception.
 
 class DownloadError(Exception):
        """Download Error exception.

-       
+

        This exception may be thrown by FileDownloader objects if they are not
        configured to continue on errors. They will contain the appropriate
        error message.
        """
        pass
 
        This exception may be thrown by FileDownloader objects if they are not
        configured to continue on errors. They will contain the appropriate
        error message.
        """
        pass
 

+

 class SameFileError(Exception):
        """Same File exception.
 
 class SameFileError(Exception):
        """Same File exception.
 


@@ -60,6 +317,7 @@ class SameFileError(Exception):
        """
        pass
 
        """
        pass
 

+

 class PostProcessingError(Exception):
        """Post Processing exception.
 
 class PostProcessingError(Exception):
        """Post Processing exception.
 


@@ -68,7 +326,12 @@ class PostProcessingError(Exception):
        """
        pass
 
        """
        pass
 

-class UnavailableFormatError(Exception):
+class MaxDownloadsReached(Exception):
+       """ --max-downloads limit has been reached. """
+       pass
+
+
+class UnavailableVideoError(Exception):

        """Unavailable Format exception.
 
        This exception will be thrown when a video is requested
        """Unavailable Format exception.
 
        This exception will be thrown when a video is requested


@@ -76,6 +339,7 @@ class UnavailableFormatError(Exception):
        """
        pass
 
        """
        pass
 

+

 class ContentTooShortError(Exception):
        """Content Too Short exception.
 
 class ContentTooShortError(Exception):
        """Content Too Short exception.
 


@@ -91,6 +355,66 @@ class ContentTooShortError(Exception):
                self.downloaded = downloaded
                self.expected = expected
 
                self.downloaded = downloaded
                self.expected = expected
 

+
+class YoutubeDLHandler(urllib2.HTTPHandler):
+       """Handler for HTTP requests and responses.
+
+       This class, when installed with an OpenerDirector, automatically adds
+       the standard headers to every HTTP request and handles gzipped and
+       deflated responses from web servers. If compression is to be avoided in
+       a particular request, the original request in the program code only has
+       to include the HTTP header "Youtubedl-No-Compression", which will be
+       removed before making the real request.
+
+       Part of this code was copied from:
+
+       http://techknack.net/python-urllib2-handlers/
+
+       Andrew Rowls, the author of that code, agreed to release it to the
+       public domain.
+       """
+
+       @staticmethod
+       def deflate(data):
+               try:
+                       return zlib.decompress(data, -zlib.MAX_WBITS)
+               except zlib.error:
+                       return zlib.decompress(data)
+
+       @staticmethod
+       def addinfourl_wrapper(stream, headers, url, code):
+               if hasattr(urllib2.addinfourl, 'getcode'):
+                       return urllib2.addinfourl(stream, headers, url, code)
+               ret = urllib2.addinfourl(stream, headers, url)
+               ret.code = code
+               return ret
+
+       def http_request(self, req):
+               for h in std_headers:
+                       if h in req.headers:
+                               del req.headers[h]
+                       req.add_header(h, std_headers[h])
+               if 'Youtubedl-no-compression' in req.headers:
+                       if 'Accept-encoding' in req.headers:
+                               del req.headers['Accept-encoding']
+                       del req.headers['Youtubedl-no-compression']
+               return req
+
+       def http_response(self, req, resp):
+               old_resp = resp
+               # gzip
+               if resp.headers.get('Content-encoding', '') == 'gzip':
+                       gz = gzip.GzipFile(fileobj=StringIO.StringIO(resp.read()), mode='r')
+                       resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
+                       resp.msg = old_resp.msg
+               # deflate
+               if resp.headers.get('Content-encoding', '') == 'deflate':
+                       gz = StringIO.StringIO(self.deflate(resp.read()))
+                       resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
+                       resp.msg = old_resp.msg
+               return resp
+
+

 class FileDownloader(object):
        """File Downloader class.
 
 class FileDownloader(object):
        """File Downloader class.
 


@@ -118,43 +442,53 @@ class FileDownloader(object):
 
        Available options:
 
 
        Available options:
 

-       username:       Username for authentication purposes.
-       password:       Password for authentication purposes.
-       usenetrc:       Use netrc for authentication instead.
-       quiet:          Do not print messages to stdout.
-       forceurl:       Force printing final URL.
-       forcetitle:     Force printing title.
-       simulate:       Do not download the video files.
-       format:         Video format code.
-       outtmpl:        Template for output names.
-       ignoreerrors:   Do not stop on download errors.
-       ratelimit:      Download speed limit, in bytes/sec.
-       nooverwrites:   Prevent overwriting files.
-       continuedl:     Try to continue downloads if possible.
+       username:         Username for authentication purposes.
+       password:         Password for authentication purposes.
+       usenetrc:         Use netrc for authentication instead.
+       quiet:            Do not print messages to stdout.
+       forceurl:         Force printing final URL.
+       forcetitle:       Force printing title.
+       forcethumbnail:   Force printing thumbnail URL.
+       forcedescription: Force printing description.
+       forcefilename:    Force printing final filename.
+       simulate:         Do not download the video files.
+       format:           Video format code.
+       format_limit:     Highest quality format to try.
+       outtmpl:          Template for output names.
+       ignoreerrors:     Do not stop on download errors.
+       ratelimit:        Download speed limit, in bytes/sec.
+       nooverwrites:     Prevent overwriting files.
+       retries:          Number of times to retry for HTTP error 5xx
+       continuedl:       Try to continue downloads if possible.
+       noprogress:       Do not print the progress bar.
+       playliststart:    Playlist item to start at.
+       playlistend:      Playlist item to end at.
+       matchtitle:       Download only matching titles.
+       rejecttitle:      Reject downloads for matching titles.
+       logtostderr:      Log messages to stderr instead of stdout.
+       consoletitle:     Display progress in console window's titlebar.
+       nopart:           Do not use temporary .part files.
+       updatetime:       Use the Last-modified header to set output file timestamps.
+       writedescription: Write the video description to a .description file
+       writeinfojson:    Write the video description to a .info.json file

        """
 
        params = None
        _ies = []
        _pps = []
        _download_retcode = None
        """
 
        params = None
        _ies = []
        _pps = []
        _download_retcode = None

+       _num_downloads = None
+       _screen_file = None

 
        def __init__(self, params):
                """Create a FileDownloader object with the given options."""
                self._ies = []
                self._pps = []
                self._download_retcode = 0
 
        def __init__(self, params):
                """Create a FileDownloader object with the given options."""
                self._ies = []
                self._pps = []
                self._download_retcode = 0

+               self._num_downloads = 0
+               self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]

                self.params = params
                self.params = params

-       
-       @staticmethod
-       def pmkdir(filename):
-               """Create directory components in filename. Similar to Unix "mkdir -p"."""
-               components = filename.split(os.sep)
-               aggregate = [os.sep.join(components[0:x]) for x in xrange(1, len(components))]
-               aggregate = ['%s%s' % (x, os.sep) for x in aggregate] # Finish names with separator
-               for dir in aggregate:
-                       if not os.path.exists(dir):
-                               os.mkdir(dir)
-       
+

        @staticmethod
        def format_bytes(bytes):
                if bytes is None:
        @staticmethod
        def format_bytes(bytes):
                if bytes is None:


@@ -166,7 +500,7 @@ class FileDownloader(object):
                else:
                        exponent = long(math.log(bytes, 1024.0))
                suffix = 'bkMGTPEZY'[exponent]
                else:
                        exponent = long(math.log(bytes, 1024.0))
                suffix = 'bkMGTPEZY'[exponent]

-               converted = float(bytes) / float(1024**exponent)
+               converted = float(bytes) / float(1024 ** exponent)

                return '%.2f%s' % (converted, suffix)
 
        @staticmethod
                return '%.2f%s' % (converted, suffix)
 
        @staticmethod


@@ -219,36 +553,42 @@ class FileDownloader(object):
                multiplier = 1024.0 ** 'bkmgtpezy'.index(matchobj.group(2).lower())
                return long(round(number * multiplier))
 
                multiplier = 1024.0 ** 'bkmgtpezy'.index(matchobj.group(2).lower())
                return long(round(number * multiplier))
 

-       @staticmethod
-       def verify_url(url):
-               """Verify a URL is valid and data could be downloaded. Return real data URL."""
-               request = urllib2.Request(url, None, std_headers)
-               data = urllib2.urlopen(request)
-               data.read(1)
-               url = data.geturl()
-               data.close()
-               return url
-

        def add_info_extractor(self, ie):
                """Add an InfoExtractor object to the end of the list."""
                self._ies.append(ie)
                ie.set_downloader(self)
        def add_info_extractor(self, ie):
                """Add an InfoExtractor object to the end of the list."""
                self._ies.append(ie)
                ie.set_downloader(self)

-       
+

        def add_post_processor(self, pp):
                """Add a PostProcessor object to the end of the chain."""
                self._pps.append(pp)
                pp.set_downloader(self)
        def add_post_processor(self, pp):
                """Add a PostProcessor object to the end of the chain."""
                self._pps.append(pp)
                pp.set_downloader(self)

-       
-       def to_stdout(self, message, skip_eol=False):
+
+       def to_screen(self, message, skip_eol=False, ignore_encoding_errors=False):

                """Print message to stdout if not in quiet mode."""
                """Print message to stdout if not in quiet mode."""

-               if not self.params.get('quiet', False):
-                       print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(preferredencoding()),
-                       sys.stdout.flush()
-       
+               try:
+                       if not self.params.get('quiet', False):
+                               terminator = [u'\n', u''][skip_eol]
+                               print >>self._screen_file, (u'%s%s' % (message, terminator)).encode(preferredencoding()),
+                       self._screen_file.flush()
+               except (UnicodeEncodeError), err:
+                       if not ignore_encoding_errors:
+                               raise
+

        def to_stderr(self, message):
                """Print message to stderr."""
                print >>sys.stderr, message.encode(preferredencoding())
        def to_stderr(self, message):
                """Print message to stderr."""
                print >>sys.stderr, message.encode(preferredencoding())

-       
+
+       def to_cons_title(self, message):
+               """Set console/terminal window title to message."""
+               if not self.params.get('consoletitle', False):
+                       return
+               if os.name == 'nt' and ctypes.windll.kernel32.GetConsoleWindow():
+                       # c_wchar_p() might not be necessary if `message` is
+                       # already of type unicode()
+                       ctypes.windll.kernel32.SetConsoleTitleW(ctypes.c_wchar_p(message))
+               elif 'TERM' in os.environ:
+                       sys.stderr.write('\033]0;%s\007' % message.encode(preferredencoding()))
+

        def fixed_template(self):
                """Checks if the output template is fixed."""
                return (re.search(ur'(?u)%\(.+?\)s', self.params['outtmpl']) is None)
        def fixed_template(self):
                """Checks if the output template is fixed."""
                return (re.search(ur'(?u)%\(.+?\)s', self.params['outtmpl']) is None)


@@ -279,82 +619,217 @@ class FileDownloader(object):
                if speed > rate_limit:
                        time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit)
 
                if speed > rate_limit:
                        time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit)
 

+       def temp_name(self, filename):
+               """Returns a temporary filename for the given filename."""
+               if self.params.get('nopart', False) or filename == u'-' or \
+                               (os.path.exists(filename) and not os.path.isfile(filename)):
+                       return filename
+               return filename + u'.part'
+
+       def undo_temp_name(self, filename):
+               if filename.endswith(u'.part'):
+                       return filename[:-len(u'.part')]
+               return filename
+
+       def try_rename(self, old_filename, new_filename):
+               try:
+                       if old_filename == new_filename:
+                               return
+                       os.rename(old_filename, new_filename)
+               except (IOError, OSError), err:
+                       self.trouble(u'ERROR: unable to rename file')
+
+       def try_utime(self, filename, last_modified_hdr):
+               """Try to set the last-modified time of the given file."""
+               if last_modified_hdr is None:
+                       return
+               if not os.path.isfile(filename):
+                       return
+               timestr = last_modified_hdr
+               if timestr is None:
+                       return
+               filetime = timeconvert(timestr)
+               if filetime is None:
+                       return filetime
+               try:
+                       os.utime(filename, (time.time(), filetime))
+               except:
+                       pass
+               return filetime
+
+       def report_writedescription(self, descfn):
+               """ Report that the description file is being written """
+               self.to_screen(u'[info] Writing video description to: %s' % descfn, ignore_encoding_errors=True)
+
+       def report_writeinfojson(self, infofn):
+               """ Report that the metadata file has been written """
+               self.to_screen(u'[info] Video description metadata as JSON to: %s' % infofn, ignore_encoding_errors=True)
+

        def report_destination(self, filename):
                """Report destination filename."""
        def report_destination(self, filename):
                """Report destination filename."""

-               self.to_stdout(u'[download] Destination: %s' % filename)
-       
+               self.to_screen(u'[download] Destination: %s' % filename, ignore_encoding_errors=True)
+

        def report_progress(self, percent_str, data_len_str, speed_str, eta_str):
                """Report download progress."""
        def report_progress(self, percent_str, data_len_str, speed_str, eta_str):
                """Report download progress."""

-               self.to_stdout(u'\r[download] %s of %s at %s ETA %s' %
+               if self.params.get('noprogress', False):
+                       return
+               self.to_screen(u'\r[download] %s of %s at %s ETA %s' %

                                (percent_str, data_len_str, speed_str, eta_str), skip_eol=True)
                                (percent_str, data_len_str, speed_str, eta_str), skip_eol=True)

+               self.to_cons_title(u'youtube-dl - %s of %s at %s ETA %s' %
+                               (percent_str.strip(), data_len_str.strip(), speed_str.strip(), eta_str.strip()))

 
        def report_resuming_byte(self, resume_len):
 
        def report_resuming_byte(self, resume_len):

-               """Report attemtp to resume at given byte."""
-               self.to_stdout(u'[download] Resuming download at byte %s' % resume_len)
-       
+               """Report attempt to resume at given byte."""
+               self.to_screen(u'[download] Resuming download at byte %s' % resume_len)
+
+       def report_retry(self, count, retries):
+               """Report retry in case of HTTP error 5xx"""
+               self.to_screen(u'[download] Got server HTTP error. Retrying (attempt %d of %d)...' % (count, retries))
+

        def report_file_already_downloaded(self, file_name):
                """Report file has already been fully downloaded."""
        def report_file_already_downloaded(self, file_name):
                """Report file has already been fully downloaded."""

-               self.to_stdout(u'[download] %s has already been downloaded' % file_name)
-       
+               try:
+                       self.to_screen(u'[download] %s has already been downloaded' % file_name)
+               except (UnicodeEncodeError), err:
+                       self.to_screen(u'[download] The file has already been downloaded')
+

        def report_unable_to_resume(self):
                """Report it was impossible to resume download."""
        def report_unable_to_resume(self):
                """Report it was impossible to resume download."""

-               self.to_stdout(u'[download] Unable to resume')
-       
+               self.to_screen(u'[download] Unable to resume')
+

        def report_finish(self):
                """Report download finished."""
        def report_finish(self):
                """Report download finished."""

-               self.to_stdout(u'')
-
-       def process_info(self, info_dict):
-               """Process a single dictionary returned by an InfoExtractor."""
-               # Do nothing else if in simulate mode
-               if self.params.get('simulate', False):
-                       try:
-                               info_dict['url'] = self.verify_url(info_dict['url'])
-                       except (OSError, IOError, urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               raise UnavailableFormatError
+               if self.params.get('noprogress', False):
+                       self.to_screen(u'[download] Download completed')
+               else:
+                       self.to_screen(u'')

 
 

-                       # Forced printings
-                       if self.params.get('forcetitle', False):
-                               print info_dict['title'].encode(preferredencoding())
-                       if self.params.get('forceurl', False):
-                               print info_dict['url'].encode(preferredencoding())
+       def increment_downloads(self):
+               """Increment the ordinal that assigns a number to each file."""
+               self._num_downloads += 1

 
 

-                       return
-                       
+       def prepare_filename(self, info_dict):
+               """Generate the output filename."""

                try:
                        template_dict = dict(info_dict)
                        template_dict['epoch'] = unicode(long(time.time()))
                try:
                        template_dict = dict(info_dict)
                        template_dict['epoch'] = unicode(long(time.time()))

+                       template_dict['autonumber'] = unicode('%05d' % self._num_downloads)

                        filename = self.params['outtmpl'] % template_dict
                        filename = self.params['outtmpl'] % template_dict

+                       return filename

                except (ValueError, KeyError), err:
                except (ValueError, KeyError), err:

-                       self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
-               if self.params['nooverwrites'] and os.path.exists(filename):
-                       self.to_stderr(u'WARNING: file exists: %s; skipping' % filename)
+                       self.trouble(u'ERROR: invalid system charset or erroneous output template')
+                       return None
+
+       def _match_entry(self, info_dict):
+               """ Returns None iff the file should be downloaded """
+
+               title = info_dict['title']
+               matchtitle = self.params.get('matchtitle', False)
+               if matchtitle and not re.search(matchtitle, title, re.IGNORECASE):
+                       return u'[download] "' + title + '" title did not match pattern "' + matchtitle + '"'
+               rejecttitle = self.params.get('rejecttitle', False)
+               if rejecttitle and re.search(rejecttitle, title, re.IGNORECASE):
+                       return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
+               return None
+
+       def process_info(self, info_dict):
+               """Process a single dictionary returned by an InfoExtractor."""
+
+               reason = self._match_entry(info_dict)
+               if reason is not None:
+                       self.to_screen(u'[download] ' + reason)

                        return
 
                        return
 

-               try:
-                       self.pmkdir(filename)
-               except (OSError, IOError), err:
-                       self.trouble('ERROR: unable to create directories: %s' % str(err))
+               max_downloads = self.params.get('max_downloads')
+               if max_downloads is not None:
+                       if self._num_downloads > int(max_downloads):
+                               raise MaxDownloadsReached()
+
+               filename = self.prepare_filename(info_dict)
+               
+               # Forced printings
+               if self.params.get('forcetitle', False):
+                       print info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forceurl', False):
+                       print info_dict['url'].encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forcethumbnail', False) and 'thumbnail' in info_dict:
+                       print info_dict['thumbnail'].encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forcedescription', False) and 'description' in info_dict:
+                       print info_dict['description'].encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forcefilename', False) and filename is not None:
+                       print filename.encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forceformat', False):
+                       print info_dict['format'].encode(preferredencoding(), 'xmlcharrefreplace')
+
+               # Do nothing else if in simulate mode
+               if self.params.get('simulate', False):
+                       return
+
+               if filename is None:

                        return
 
                try:
                        return
 
                try:

-                       success = self._do_download(filename, info_dict['url'])
+                       dn = os.path.dirname(filename)
+                       if dn != '' and not os.path.exists(dn):
+                               os.makedirs(dn)

                except (OSError, IOError), err:
                except (OSError, IOError), err:

-                       raise UnavailableFormatError
-               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                       self.trouble('ERROR: unable to download video data: %s' % str(err))
-                       return
-               except (ContentTooShortError, ), err:
-                       self.trouble('ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
+                       self.trouble(u'ERROR: unable to create directory ' + unicode(err))

                        return
 
                        return
 

-               if success:
+               if self.params.get('writedescription', False):
+                       try:
+                               descfn = filename + '.description'
+                               self.report_writedescription(descfn)
+                               descfile = open(descfn, 'wb')
+                               try:
+                                       descfile.write(info_dict['description'].encode('utf-8'))
+                               finally:
+                                       descfile.close()
+                       except (OSError, IOError):
+                               self.trouble(u'ERROR: Cannot write description file ' + descfn)
+                               return
+
+               if self.params.get('writeinfojson', False):
+                       infofn = filename + '.info.json'
+                       self.report_writeinfojson(infofn)
+                       try:
+                               json.dump
+                       except (NameError,AttributeError):
+                               self.trouble(u'ERROR: No JSON encoder found. Update to Python 2.6+, setup a json module, or leave out --write-info-json.')
+                               return

                        try:
                        try:

-                               self.post_process(filename, info_dict)
-                       except (PostProcessingError), err:
-                               self.trouble('ERROR: postprocessing: %s' % str(err))
+                               infof = open(infofn, 'wb')
+                               try:
+                                       json_info_dict = dict((k,v) for k,v in info_dict.iteritems() if not k in ('urlhandle',))
+                                       json.dump(json_info_dict, infof)
+                               finally:
+                                       infof.close()
+                       except (OSError, IOError):
+                               self.trouble(u'ERROR: Cannot write metadata to JSON file ' + infofn)

                                return
 
                                return
 

+               if not self.params.get('skip_download', False):
+                       if self.params.get('nooverwrites', False) and os.path.exists(filename):
+                               success = True
+                       else:
+                               try:
+                                       success = self._do_download(filename, info_dict)
+                               except (OSError, IOError), err:
+                                       raise UnavailableVideoError
+                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                                       self.trouble(u'ERROR: unable to download video data: %s' % str(err))
+                                       return
+                               except (ContentTooShortError, ), err:
+                                       self.trouble(u'ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
+                                       return
+       
+                       if success:
+                               try:
+                                       self.post_process(filename, info_dict)
+                               except (PostProcessingError), err:
+                                       self.trouble(u'ERROR: postprocessing: %s' % str(err))
+                                       return
+

        def download(self, url_list):
                """Download a given list of URLs."""
                if len(url_list) > 1 and self.fixed_template():
        def download(self, url_list):
                """Download a given list of URLs."""
                if len(url_list) > 1 and self.fixed_template():


@@ -377,7 +852,7 @@ class FileDownloader(object):
                                break
 
                        if not suitable_found:
                                break
 
                        if not suitable_found:

-                               self.trouble('ERROR: no suitable InfoExtractor: %s' % url)
+                               self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url)

 
                return self._download_retcode
 
 
                return self._download_retcode
 


@@ -389,41 +864,135 @@ class FileDownloader(object):
                        info = pp.run(info)
                        if info is None:
                                break
                        info = pp.run(info)
                        if info is None:
                                break

-       
-       def _do_download(self, filename, url):
+
+       def _download_with_rtmpdump(self, filename, url, player_url):
+               self.report_destination(filename)
+               tmpfilename = self.temp_name(filename)
+
+               # Check for rtmpdump first
+               try:
+                       subprocess.call(['rtmpdump', '-h'], stdout=(file(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
+               except (OSError, IOError):
+                       self.trouble(u'ERROR: RTMP download detected but "rtmpdump" could not be run')
+                       return False
+
+               # Download using rtmpdump. rtmpdump returns exit code 2 when
+               # the connection was interrumpted and resuming appears to be
+               # possible. This is part of rtmpdump's normal usage, AFAIK.
+               basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', tmpfilename]
+               retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
+               while retval == 2 or retval == 1:
+                       prevsize = os.path.getsize(tmpfilename)
+                       self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
+                       time.sleep(5.0) # This seems to be needed
+                       retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
+                       cursize = os.path.getsize(tmpfilename)
+                       if prevsize == cursize and retval == 1:
+                               break
+                        # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
+                       if prevsize == cursize and retval == 2 and cursize > 1024:
+                               self.to_screen(u'\r[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
+                               retval = 0
+                               break
+               if retval == 0:
+                       self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(tmpfilename))
+                       self.try_rename(tmpfilename, filename)
+                       return True
+               else:
+                       self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval)
+                       return False
+
+       def _do_download(self, filename, info_dict):
+               url = info_dict['url']
+               player_url = info_dict.get('player_url', None)
+
+               # Check file already present
+               if self.params.get('continuedl', False) and os.path.isfile(filename) and not self.params.get('nopart', False):
+                       self.report_file_already_downloaded(filename)
+                       return True
+
+               # Attempt to download using rtmpdump
+               if url.startswith('rtmp'):
+                       return self._download_with_rtmpdump(filename, url, player_url)
+
+               tmpfilename = self.temp_name(filename)

                stream = None
                stream = None

-               open_mode = 'ab'

 
 

-               basic_request = urllib2.Request(url, None, std_headers)
-               request = urllib2.Request(url, None, std_headers)
+               # Do not include the Accept-Encoding header
+               headers = {'Youtubedl-no-compression': 'True'}
+               basic_request = urllib2.Request(url, None, headers)
+               request = urllib2.Request(url, None, headers)

 
 

-               # Attempt to resume download with "continuedl" option
-               if os.path.isfile(filename):
-                       resume_len = os.path.getsize(filename)
+               # Establish possible resume length
+               if os.path.isfile(tmpfilename):
+                       resume_len = os.path.getsize(tmpfilename)

                else:
                        resume_len = 0
                else:
                        resume_len = 0

-               if self.params['continuedl'] and resume_len != 0:
-                       self.report_resuming_byte(resume_len)
-                       request.add_header('Range','bytes=%d-' % resume_len)

 
 

-               # Establish connection
-               try:
-                       data = urllib2.urlopen(request)
-               except (urllib2.HTTPError, ), err:
-                       if err.code != 416: #  416 is 'Requested range not satisfiable'
-                               raise
-                       data = urllib2.urlopen(basic_request)
-                       content_length = data.info()['Content-Length']
-                       if content_length is not None and long(content_length) == resume_len:
-                               self.report_file_already_downloaded(filename)
-                               return True
+               open_mode = 'wb'
+               if resume_len != 0:
+                       if self.params.get('continuedl', False):
+                               self.report_resuming_byte(resume_len)
+                               request.add_header('Range','bytes=%d-' % resume_len)
+                               open_mode = 'ab'

                        else:
                        else:

-                               self.report_unable_to_resume()
-                               open_mode = 'wb'
+                               resume_len = 0
+
+               count = 0
+               retries = self.params.get('retries', 0)
+               while count <= retries:
+                       # Establish connection
+                       try:
+                               if count == 0 and 'urlhandle' in info_dict:
+                                       data = info_dict['urlhandle']
+                               data = urllib2.urlopen(request)
+                               break
+                       except (urllib2.HTTPError, ), err:
+                               if (err.code < 500 or err.code >= 600) and err.code != 416:
+                                       # Unexpected HTTP error
+                                       raise
+                               elif err.code == 416:
+                                       # Unable to resume (requested range not satisfiable)
+                                       try:
+                                               # Open the connection again without the range header
+                                               data = urllib2.urlopen(basic_request)
+                                               content_length = data.info()['Content-Length']
+                                       except (urllib2.HTTPError, ), err:
+                                               if err.code < 500 or err.code >= 600:
+                                                       raise
+                                       else:
+                                               # Examine the reported length
+                                               if (content_length is not None and
+                                                               (resume_len - 100 < long(content_length) < resume_len + 100)):
+                                                       # The file had already been fully downloaded.
+                                                       # Explanation to the above condition: in issue #175 it was revealed that
+                                                       # YouTube sometimes adds or removes a few bytes from the end of the file,
+                                                       # changing the file size slightly and causing problems for some users. So
+                                                       # I decided to implement a suggested change and consider the file
+                                                       # completely downloaded if the file size differs less than 100 bytes from
+                                                       # the one in the hard drive.
+                                                       self.report_file_already_downloaded(filename)
+                                                       self.try_rename(tmpfilename, filename)
+                                                       return True
+                                               else:
+                                                       # The length does not match, we start the download over
+                                                       self.report_unable_to_resume()
+                                                       open_mode = 'wb'
+                                                       break
+                       # Retry
+                       count += 1
+                       if count <= retries:
+                               self.report_retry(count, retries)
+
+               if count > retries:
+                       self.trouble(u'ERROR: giving up after %s retries' % retries)
+                       return False

 
                data_len = data.info().get('Content-length', None)
 
                data_len = data.info().get('Content-length', None)

+               if data_len is not None:
+                       data_len = long(data_len) + resume_len

                data_len_str = self.format_bytes(data_len)
                data_len_str = self.format_bytes(data_len)

-               byte_counter = 0
+               byte_counter = 0 + resume_len

                block_size = 1024
                start = time.time()
                while True:
                block_size = 1024
                start = time.time()
                while True:


@@ -431,36 +1000,55 @@ class FileDownloader(object):
                        before = time.time()
                        data_block = data.read(block_size)
                        after = time.time()
                        before = time.time()
                        data_block = data.read(block_size)
                        after = time.time()

-                       data_block_len = len(data_block)
-                       if data_block_len == 0:
+                       if len(data_block) == 0:

                                break
                                break

-                       byte_counter += data_block_len
+                       byte_counter += len(data_block)

 
                        # Open file just in time
                        if stream is None:
                                try:
 
                        # Open file just in time
                        if stream is None:
                                try:

-                                       stream = open(filename, open_mode)
+                                       (stream, tmpfilename) = sanitize_open(tmpfilename, open_mode)
+                                       assert stream is not None
+                                       filename = self.undo_temp_name(tmpfilename)

                                        self.report_destination(filename)
                                except (OSError, IOError), err:
                                        self.report_destination(filename)
                                except (OSError, IOError), err:

-                                       self.trouble('ERROR: unable to open for writing: %s' % str(err))
+                                       self.trouble(u'ERROR: unable to open for writing: %s' % str(err))

                                        return False
                                        return False

-                       stream.write(data_block)
-                       block_size = self.best_block_size(after - before, data_block_len)
+                       try:
+                               stream.write(data_block)
+                       except (IOError, OSError), err:
+                               self.trouble(u'\nERROR: unable to write data: %s' % str(err))
+                               return False
+                       block_size = self.best_block_size(after - before, len(data_block))

 
                        # Progress message
 
                        # Progress message

-                       percent_str = self.calc_percent(byte_counter, data_len)
-                       eta_str = self.calc_eta(start, time.time(), data_len, byte_counter)
-                       speed_str = self.calc_speed(start, time.time(), byte_counter)
-                       self.report_progress(percent_str, data_len_str, speed_str, eta_str)
+                       speed_str = self.calc_speed(start, time.time(), byte_counter - resume_len)
+                       if data_len is None:
+                               self.report_progress('Unknown %', data_len_str, speed_str, 'Unknown ETA')
+                       else:
+                               percent_str = self.calc_percent(byte_counter, data_len)
+                               eta_str = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len)
+                               self.report_progress(percent_str, data_len_str, speed_str, eta_str)

 
                        # Apply rate limit
 
                        # Apply rate limit

-                       self.slow_down(start, byte_counter)
+                       self.slow_down(start, byte_counter - resume_len)

 
 

+               if stream is None:
+                       self.trouble(u'\nERROR: Did not get any data blocks')
+                       return False
+               stream.close()

                self.report_finish()
                self.report_finish()

-               if data_len is not None and str(byte_counter) != data_len:
+               if data_len is not None and byte_counter != data_len:

                        raise ContentTooShortError(byte_counter, long(data_len))
                        raise ContentTooShortError(byte_counter, long(data_len))

+               self.try_rename(tmpfilename, filename)
+
+               # Update file modification time
+               if self.params.get('updatetime', True):
+                       info_dict['filetime'] = self.try_utime(filename, data.info().get('last-modified', None))
+

                return True
 
                return True
 

+

 class InfoExtractor(object):
        """Information Extractor class.
 
 class InfoExtractor(object):
        """Information Extractor class.
 


@@ -479,11 +1067,20 @@ class InfoExtractor(object):
        title:          Literal title.
        stitle:         Simplified title.
        ext:            Video filename extension.
        title:          Literal title.
        stitle:         Simplified title.
        ext:            Video filename extension.

+       format:         Video format.
+       player_url:     SWF Player URL (may be None).
+
+       The following fields are optional. Their primary purpose is to allow
+       youtube-dl to serve as the backend for a video search function, such
+       as the one in youtube2mp3.  They are only used when their respective
+       forced printing functions are called:
+
+       thumbnail:      Full URL to a video thumbnail image.
+       description:    One-line video description.

 
        Subclasses of this one should re-define the _real_initialize() and
 
        Subclasses of this one should re-define the _real_initialize() and

-       _real_extract() methods, as well as the suitable() static method.
-       Probably, they should also be instantiated and added to the main
-       downloader.
+       _real_extract() methods and define a _VALID_URL regexp.
+       Probably, they should also be added to the list of extractors.

        """
 
        _ready = False
        """
 
        _ready = False


@@ -494,10 +1091,9 @@ class InfoExtractor(object):
                self._ready = False
                self.set_downloader(downloader)
 
                self._ready = False
                self.set_downloader(downloader)
 

-       @staticmethod
-       def suitable(url):
+       def suitable(self, url):

                """Receives a URL and returns True if suitable for this IE."""
                """Receives a URL and returns True if suitable for this IE."""

-               return False
+               return re.match(self._VALID_URL, url) is not None

 
        def initialize(self):
                """Initializes an instance (authentication, etc)."""
 
        def initialize(self):
                """Initializes an instance (authentication, etc)."""


@@ -513,7 +1109,7 @@ class InfoExtractor(object):
        def set_downloader(self, downloader):
                """Sets the downloader for this IE."""
                self._downloader = downloader
        def set_downloader(self, downloader):
                """Sets the downloader for this IE."""
                self._downloader = downloader

-       
+

        def _real_initialize(self):
                """Real initialization process. Redefine in subclasses."""
                pass
        def _real_initialize(self):
                """Real initialization process. Redefine in subclasses."""
                pass


@@ -522,73 +1118,83 @@ class InfoExtractor(object):
                """Real extraction process. Redefine in subclasses."""
                pass
 
                """Real extraction process. Redefine in subclasses."""
                pass
 

+

 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 

-       _VALID_URL = r'^((?:http://)?(?:\w+\.)?youtube\.com/(?:(?:v/)|(?:(?:watch(?:\.php)?)?\?(?:.+&)?v=)))?([0-9A-Za-z_-]+)(?(1).+)?$'
-       _LANG_URL = r'http://uk.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
-       _LOGIN_URL = 'http://www.youtube.com/signup?next=/&gl=US&hl=en'
+       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?!view_play_list|my_playlists|artist|playlist)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
+       _LOGIN_URL = 'https://www.youtube.com/signup?next=/&gl=US&hl=en'

        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
        _NETRC_MACHINE = 'youtube'
        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
        _NETRC_MACHINE = 'youtube'

-       _available_formats = ['22', '35', '18', '5', '17', '13', None] # listed in order of priority for -b flag
+       # Listed in order of quality
+       _available_formats = ['38', '37', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
+       _available_formats_prefer_free = ['38', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']

        _video_extensions = {
                '13': '3gp',
                '17': 'mp4',
                '18': 'mp4',
                '22': 'mp4',
        _video_extensions = {
                '13': '3gp',
                '17': 'mp4',
                '18': 'mp4',
                '22': 'mp4',

+               '37': 'mp4',
+               '38': 'video', # You actually don't know if this will be MOV, AVI or whatever
+               '43': 'webm',
+               '44': 'webm',
+               '45': 'webm',

        }
        }

-
-       @staticmethod
-       def suitable(url):
-               return (re.match(YoutubeIE._VALID_URL, url) is not None)
-
-       @staticmethod
-       def htmlentity_transform(matchobj):
-               """Transforms an HTML entity to a Unicode character."""
-               entity = matchobj.group(1)
-
-               # Known non-numeric HTML entity
-               if entity in htmlentitydefs.name2codepoint:
-                       return unichr(htmlentitydefs.name2codepoint[entity])
-
-               # Unicode character
-               mobj = re.match(ur'(?u)#(x?\d+)', entity)
-               if mobj is not None:
-                       numstr = mobj.group(1)
-                       if numstr.startswith(u'x'):
-                               base = 16
-                               numstr = u'0%s' % numstr
-                       else:
-                               base = 10
-                       return unichr(long(numstr, base))
-
-               # Unknown entity in name, return its literal representation
-               return (u'&%s;' % entity)
+       _video_dimensions = {
+               '5': '240x400',
+               '6': '???',
+               '13': '???',
+               '17': '144x176',
+               '18': '360x640',
+               '22': '720x1280',
+               '34': '360x640',
+               '35': '480x854',
+               '37': '1080x1920',
+               '38': '3072x4096',
+               '43': '360x640',
+               '44': '480x854',
+               '45': '720x1280',
+       }       
+       IE_NAME = u'youtube'

 
        def report_lang(self):
                """Report attempt to set language."""
 
        def report_lang(self):
                """Report attempt to set language."""

-               self._downloader.to_stdout(u'[youtube] Setting language')
+               self._downloader.to_screen(u'[youtube] Setting language')

 
        def report_login(self):
                """Report attempt to log in."""
 
        def report_login(self):
                """Report attempt to log in."""

-               self._downloader.to_stdout(u'[youtube] Logging in')
-       
+               self._downloader.to_screen(u'[youtube] Logging in')
+

        def report_age_confirmation(self):
                """Report attempt to confirm age."""
        def report_age_confirmation(self):
                """Report attempt to confirm age."""

-               self._downloader.to_stdout(u'[youtube] Confirming age')
-       
+               self._downloader.to_screen(u'[youtube] Confirming age')
+
+       def report_video_webpage_download(self, video_id):
+               """Report attempt to download video webpage."""
+               self._downloader.to_screen(u'[youtube] %s: Downloading video webpage' % video_id)
+

        def report_video_info_webpage_download(self, video_id):
                """Report attempt to download video info webpage."""
        def report_video_info_webpage_download(self, video_id):
                """Report attempt to download video info webpage."""

-               self._downloader.to_stdout(u'[youtube] %s: Downloading video info webpage' % video_id)
-       
+               self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id)
+

        def report_information_extraction(self, video_id):
                """Report attempt to extract video information."""
        def report_information_extraction(self, video_id):
                """Report attempt to extract video information."""

-               self._downloader.to_stdout(u'[youtube] %s: Extracting video information' % video_id)
-       
+               self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
+

        def report_unavailable_format(self, video_id, format):
                """Report extracted video URL."""
        def report_unavailable_format(self, video_id, format):
                """Report extracted video URL."""

-               self._downloader.to_stdout(u'[youtube] %s: Format %s not available' % (video_id, format))
-       
+               self._downloader.to_screen(u'[youtube] %s: Format %s not available' % (video_id, format))
+
+       def report_rtmp_download(self):
+               """Indicate the download will use the RTMP protocol."""
+               self._downloader.to_screen(u'[youtube] RTMP download detected')
+
+       def _print_formats(self, formats):
+               print 'Available formats:'
+               for x in formats:
+                       print '%s\t:\t%s\t[%s]' %(x, self._video_extensions.get(x, 'flv'), self._video_dimensions.get(x, '???'))
+

        def _real_initialize(self):
                if self._downloader is None:
                        return
        def _real_initialize(self):
                if self._downloader is None:
                        return


@@ -614,7 +1220,7 @@ class YoutubeIE(InfoExtractor):
                                return
 
                # Set language
                                return
 
                # Set language

-               request = urllib2.Request(self._LANG_URL, None, std_headers)
+               request = urllib2.Request(self._LANG_URL)

                try:
                        self.report_lang()
                        urllib2.urlopen(request).read()
                try:
                        self.report_lang()
                        urllib2.urlopen(request).read()


@@ -634,7 +1240,7 @@ class YoutubeIE(InfoExtractor):
                                'username':     username,
                                'password':     password,
                                }
                                'username':     username,
                                'password':     password,
                                }

-               request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form), std_headers)
+               request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form))

                try:
                        self.report_login()
                        login_results = urllib2.urlopen(request).read()
                try:
                        self.report_login()
                        login_results = urllib2.urlopen(request).read()


@@ -644,13 +1250,13 @@ class YoutubeIE(InfoExtractor):
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self._downloader.to_stderr(u'WARNING: unable to log in: %s' % str(err))
                        return
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self._downloader.to_stderr(u'WARNING: unable to log in: %s' % str(err))
                        return

-       
+

                # Confirm age
                age_form = {
                                'next_url':             '/',
                                'action_confirm':       'Confirm',
                                }
                # Confirm age
                age_form = {
                                'next_url':             '/',
                                'action_confirm':       'Confirm',
                                }

-               request = urllib2.Request(self._AGE_URL, urllib.urlencode(age_form), std_headers)
+               request = urllib2.Request(self._AGE_URL, urllib.urlencode(age_form))

                try:
                        self.report_age_confirmation()
                        age_results = urllib2.urlopen(request).read()
                try:
                        self.report_age_confirmation()
                        age_results = urllib2.urlopen(request).read()


@@ -666,71 +1272,153 @@ class YoutubeIE(InfoExtractor):
                        return
                video_id = mobj.group(2)
 
                        return
                video_id = mobj.group(2)
 

-               # Downloader parameters
-               best_quality = False
-               format_param = None
-               quality_index = 0
-               if self._downloader is not None:
-                       params = self._downloader.params
-                       format_param = params.get('format', None)
-                       if format_param == '0':
-                               format_param = self._available_formats[quality_index]
-                               best_quality = True
-
-               while True:
-                       # Extension
-                       video_extension = self._video_extensions.get(format_param, 'flv')
+               # Get video webpage
+               self.report_video_webpage_download(video_id)
+               request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id)
+               try:
+                       video_webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return

 
 

-                       # Get video info
-                       video_info_url = 'http://www.youtube.com/get_video_info?&video_id=%s&el=detailpage&ps=default&eurl=&gl=US&hl=en' % video_id
-                       request = urllib2.Request(video_info_url, None, std_headers)
+               # Attempt to extract SWF player URL
+               mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
+               if mobj is not None:
+                       player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
+               else:
+                       player_url = None
+
+               # Get video info
+               self.report_video_info_webpage_download(video_id)
+               for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
+                       video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
+                                       % (video_id, el_type))
+                       request = urllib2.Request(video_info_url)

                        try:
                        try:

-                               self.report_video_info_webpage_download(video_id)

                                video_info_webpage = urllib2.urlopen(request).read()
                                video_info_webpage = urllib2.urlopen(request).read()

+                               video_info = parse_qs(video_info_webpage)
+                               if 'token' in video_info:
+                                       break

                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                                self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
                                return
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                                self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
                                return

-                       self.report_information_extraction(video_id)
+               if 'token' not in video_info:
+                       if 'reason' in video_info:
+                               self._downloader.trouble(u'ERROR: YouTube said: %s' % video_info['reason'][0].decode('utf-8'))
+                       else:
+                               self._downloader.trouble(u'ERROR: "token" parameter not in video info for unknown reason')
+                       return

 
 

-                       # "t" param
-                       mobj = re.search(r'(?m)&token=([^&]+)(?:&|$)', video_info_webpage)
-                       if mobj is None:
-                               # Attempt to see if YouTube has issued an error message
-                               mobj = re.search(r'(?m)&reason=([^&]+)(?:&|$)', video_info_webpage)
-                               if mobj is None:
-                                       self._downloader.trouble(u'ERROR: unable to extract "t" parameter for unknown reason')
-                                       stream = open('reportme-ydl-%s.dat' % time.time(), 'wb')
-                                       stream.write(video_info_webpage)
-                                       stream.close()
-                               else:
-                                       reason = urllib.unquote_plus(mobj.group(1))
-                                       self._downloader.trouble(u'ERROR: YouTube said: %s' % reason.decode('utf-8'))
-                               return
-                       token = urllib.unquote(mobj.group(1))
-                       video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&eurl=&el=detailpage&ps=default&gl=US&hl=en' % (video_id, token)
-                       if format_param is not None:
-                               video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
+               # Start extracting information
+               self.report_information_extraction(video_id)

 
 

-                       # uploader
-                       mobj = re.search(r'(?m)&author=([^&]+)(?:&|$)', video_info_webpage)
-                       if mobj is None:
-                               self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
-                               return
-                       video_uploader = urllib.unquote(mobj.group(1))
+               # uploader
+               if 'author' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                       return
+               video_uploader = urllib.unquote_plus(video_info['author'][0])

 
 

-                       # title
-                       mobj = re.search(r'(?m)&title=([^&]+)(?:&|$)', video_info_webpage)
-                       if mobj is None:
-                               self._downloader.trouble(u'ERROR: unable to extract video title')
+               # title
+               if 'title' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = urllib.unquote_plus(video_info['title'][0])
+               video_title = video_title.decode('utf-8')
+               video_title = sanitize_title(video_title)
+
+               # simplified title
+               simple_title = _simplify_title(video_title)
+
+               # thumbnail image
+               if 'thumbnail_url' not in video_info:
+                       self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
+                       video_thumbnail = ''
+               else:   # don't panic if we can't find it
+                       video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0])
+
+               # upload date
+               upload_date = u'NA'
+               mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
+               if mobj is not None:
+                       upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
+                       format_expressions = ['%d %B %Y', '%B %d %Y', '%b %d %Y']
+                       for expression in format_expressions:
+                               try:
+                                       upload_date = datetime.datetime.strptime(upload_date, expression).strftime('%Y%m%d')
+                               except:
+                                       pass
+
+               # description
+               try:
+                       lxml.etree
+               except NameError:
+                       video_description = u'No description available.'
+                       if self._downloader.params.get('forcedescription', False) or self._downloader.params.get('writedescription', False):
+                               mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
+                               if mobj is not None:
+                                       video_description = mobj.group(1).decode('utf-8')
+               else:
+                       html_parser = lxml.etree.HTMLParser(encoding='utf-8')
+                       vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
+                       video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()'))
+                       # TODO use another parser
+
+               # token
+               video_token = urllib.unquote_plus(video_info['token'][0])
+
+               # Decide which formats to download
+               req_format = self._downloader.params.get('format', None)
+
+               if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+                       self.report_rtmp_download()
+                       video_url_list = [(None, video_info['conn'][0])]
+               elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
+                       url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
+                       url_data = [parse_qs(uds) for uds in url_data_strs]
+                       url_data = filter(lambda ud: 'itag' in ud and 'url' in ud, url_data)
+                       url_map = dict((ud['itag'][0], ud['url'][0]) for ud in url_data)
+
+                       format_limit = self._downloader.params.get('format_limit', None)
+                       available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
+                       if format_limit is not None and format_limit in available_formats:
+                               format_list = available_formats[available_formats.index(format_limit):]
+                       else:
+                               format_list = available_formats
+                       existing_formats = [x for x in format_list if x in url_map]
+                       if len(existing_formats) == 0:
+                               self._downloader.trouble(u'ERROR: no known formats available for video')
+                               return
+                       if self._downloader.params.get('listformats', None):
+                               self._print_formats(existing_formats)

                                return
                                return

-                       video_title = urllib.unquote(mobj.group(1))
-                       video_title = video_title.decode('utf-8')
-                       video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
-                       video_title = video_title.replace(os.sep, u'%')
+                       if req_format is None or req_format == 'best':
+                               video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
+                       elif req_format == 'worst':
+                               video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
+                       elif req_format in ('-1', 'all'):
+                               video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
+                       else:
+                               # Specific formats. We pick the first in a slash-delimeted sequence.
+                               # For example, if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
+                               req_formats = req_format.split('/')
+                               video_url_list = None
+                               for rf in req_formats:
+                                       if rf in url_map:
+                                               video_url_list = [(rf, url_map[rf])]
+                                               break
+                               if video_url_list is None:
+                                       self._downloader.trouble(u'ERROR: requested format not available')
+                                       return
+               else:
+                       self._downloader.trouble(u'ERROR: no conn or url_encoded_fmt_stream_map information found in video info')
+                       return

 
 

-                       # simplified title
-                       simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-                       simple_title = simple_title.strip(ur'_')
+               for format_param, video_real_url in video_url_list:
+                       # At this point we have a new video
+                       self._downloader.increment_downloads()
+
+                       # Extension
+                       video_extension = self._video_extensions.get(format_param, 'flv')

 
                        try:
                                # Process video information
 
                        try:
                                # Process video information


@@ -738,27 +1426,17 @@ class YoutubeIE(InfoExtractor):
                                        'id':           video_id.decode('utf-8'),
                                        'url':          video_real_url.decode('utf-8'),
                                        'uploader':     video_uploader.decode('utf-8'),
                                        'id':           video_id.decode('utf-8'),
                                        'url':          video_real_url.decode('utf-8'),
                                        'uploader':     video_uploader.decode('utf-8'),

+                                       'upload_date':  upload_date,

                                        'title':        video_title,
                                        'stitle':       simple_title,
                                        'ext':          video_extension.decode('utf-8'),
                                        'title':        video_title,
                                        'stitle':       simple_title,
                                        'ext':          video_extension.decode('utf-8'),

+                                       'format':       (format_param is None and u'NA' or format_param.decode('utf-8')),
+                                       'thumbnail':    video_thumbnail.decode('utf-8'),
+                                       'description':  video_description,
+                                       'player_url':   player_url,

                                })
                                })

-
-                               return
-
-                       except UnavailableFormatError, err:
-                               if best_quality:
-                                       if quality_index == len(self._available_formats) - 1:
-                                               # I don't ever expect this to happen
-                                               self._downloader.trouble(u'ERROR: no known formats available for video')
-                                               return
-                                       else:
-                                               self.report_unavailable_format(video_id, format_param)
-                                               quality_index += 1
-                                               format_param = self._available_formats[quality_index]
-                                               continue
-                               else: 
-                                       self._downloader.trouble('ERROR: format not available for video')
-                                       return
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'\nERROR: unable to download video')

 
 
 class MetacafeIE(InfoExtractor):
 
 
 class MetacafeIE(InfoExtractor):


@@ -768,34 +1446,31 @@ class MetacafeIE(InfoExtractor):
        _DISCLAIMER = 'http://www.metacafe.com/family_filter/'
        _FILTER_POST = 'http://www.metacafe.com/f/index.php?inputType=filter&controllerGroup=user'
        _youtube_ie = None
        _DISCLAIMER = 'http://www.metacafe.com/family_filter/'
        _FILTER_POST = 'http://www.metacafe.com/f/index.php?inputType=filter&controllerGroup=user'
        _youtube_ie = None

+       IE_NAME = u'metacafe'

 
        def __init__(self, youtube_ie, downloader=None):
                InfoExtractor.__init__(self, downloader)
                self._youtube_ie = youtube_ie
 
 
        def __init__(self, youtube_ie, downloader=None):
                InfoExtractor.__init__(self, downloader)
                self._youtube_ie = youtube_ie
 

-       @staticmethod
-       def suitable(url):
-               return (re.match(MetacafeIE._VALID_URL, url) is not None)
-

        def report_disclaimer(self):
                """Report disclaimer retrieval."""
        def report_disclaimer(self):
                """Report disclaimer retrieval."""

-               self._downloader.to_stdout(u'[metacafe] Retrieving disclaimer')
+               self._downloader.to_screen(u'[metacafe] Retrieving disclaimer')

 
        def report_age_confirmation(self):
                """Report attempt to confirm age."""
 
        def report_age_confirmation(self):
                """Report attempt to confirm age."""

-               self._downloader.to_stdout(u'[metacafe] Confirming age')
-       
+               self._downloader.to_screen(u'[metacafe] Confirming age')
+

        def report_download_webpage(self, video_id):
                """Report webpage download."""
        def report_download_webpage(self, video_id):
                """Report webpage download."""

-               self._downloader.to_stdout(u'[metacafe] %s: Downloading webpage' % video_id)
-       
+               self._downloader.to_screen(u'[metacafe] %s: Downloading webpage' % video_id)
+

        def report_extraction(self, video_id):
                """Report information extraction."""
        def report_extraction(self, video_id):
                """Report information extraction."""

-               self._downloader.to_stdout(u'[metacafe] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[metacafe] %s: Extracting information' % video_id)

 
        def _real_initialize(self):
                # Retrieve disclaimer
 
        def _real_initialize(self):
                # Retrieve disclaimer

-               request = urllib2.Request(self._DISCLAIMER, None, std_headers)
+               request = urllib2.Request(self._DISCLAIMER)

                try:
                        self.report_disclaimer()
                        disclaimer = urllib2.urlopen(request).read()
                try:
                        self.report_disclaimer()
                        disclaimer = urllib2.urlopen(request).read()


@@ -808,14 +1483,14 @@ class MetacafeIE(InfoExtractor):
                        'filters': '0',
                        'submit': "Continue - I'm over 18",
                        }
                        'filters': '0',
                        'submit': "Continue - I'm over 18",
                        }

-               request = urllib2.Request(self._FILTER_POST, urllib.urlencode(disclaimer_form), std_headers)
+               request = urllib2.Request(self._FILTER_POST, urllib.urlencode(disclaimer_form))

                try:
                        self.report_age_confirmation()
                        disclaimer = urllib2.urlopen(request).read()
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self._downloader.trouble(u'ERROR: unable to confirm age: %s' % str(err))
                        return
                try:
                        self.report_age_confirmation()
                        disclaimer = urllib2.urlopen(request).read()
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self._downloader.trouble(u'ERROR: unable to confirm age: %s' % str(err))
                        return

-       
+

        def _real_extract(self, url):
                # Extract id and simplified title from URL
                mobj = re.match(self._VALID_URL, url)
        def _real_extract(self, url):
                # Extract id and simplified title from URL
                mobj = re.match(self._VALID_URL, url)


@@ -831,8 +1506,10 @@ class MetacafeIE(InfoExtractor):
                        self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % mobj2.group(1))
                        return
 
                        self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % mobj2.group(1))
                        return
 

+               # At this point we have a new video
+               self._downloader.increment_downloads()
+

                simple_title = mobj.group(2).decode('utf-8')
                simple_title = mobj.group(2).decode('utf-8')

-               video_extension = 'flv'

 
                # Retrieve video webpage to extract further information
                request = urllib2.Request('http://www.metacafe.com/watch/%s/' % video_id)
 
                # Retrieve video webpage to extract further information
                request = urllib2.Request('http://www.metacafe.com/watch/%s/' % video_id)


@@ -846,28 +1523,42 @@ class MetacafeIE(InfoExtractor):
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
                mobj = re.search(r'(?m)&mediaURL=([^&]+)', webpage)
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
                mobj = re.search(r'(?m)&mediaURL=([^&]+)', webpage)

-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract media URL')
-                       return
-               mediaURL = urllib.unquote(mobj.group(1))
-
-               #mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
-               #if mobj is None:
-               #       self._downloader.trouble(u'ERROR: unable to extract gdaKey')
-               #       return
-               #gdaKey = mobj.group(1)
-               #
-               #video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
+               if mobj is not None:
+                       mediaURL = urllib.unquote(mobj.group(1))
+                       video_extension = mediaURL[-3:]

 
 

-               video_url = mediaURL
+                       # Extract gdaKey if available
+                       mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
+                       if mobj is None:
+                               video_url = mediaURL
+                       else:
+                               gdaKey = mobj.group(1)
+                               video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
+               else:
+                       mobj = re.search(r' name="flashvars" value="(.*?)"', webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       vardict = parse_qs(mobj.group(1))
+                       if 'mediaData' not in vardict:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       mobj = re.search(r'"mediaURL":"(http.*?)","key":"(.*?)"', vardict['mediaData'][0])
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       mediaURL = mobj.group(1).replace('\\/', '/')
+                       video_extension = mediaURL[-3:]
+                       video_url = '%s?__gda__=%s' % (mediaURL, mobj.group(2))

 
                mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')
 
                mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')

+               video_title = sanitize_title(video_title)

 
 

-               mobj = re.search(r'(?ms)<li id="ChnlUsr">.*?Submitter:.*?<a .*?>(.*?)<', webpage)
+               mobj = re.search(r'(?ms)By:\s*<a .*?>(.+?)<', webpage)

                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
                        return
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
                        return


@@ -879,162 +1570,2320 @@ class MetacafeIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),

+                               'upload_date':  u'NA',

                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),

+                               'format':       u'NA',
+                               'player_url':   None,

                        })
                        })

-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')

 
 
 
 

-class YoutubeSearchIE(InfoExtractor):
-       """Information Extractor for YouTube search queries."""
-       _VALID_QUERY = r'ytsearch(\d+|all)?:[\s\S]+'
-       _TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
-       _VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
-       _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
-       _youtube_ie = None
-       _max_youtube_results = 1000
+class DailymotionIE(InfoExtractor):
+       """Information Extractor for Dailymotion"""

 
 

-       def __init__(self, youtube_ie, downloader=None):
+       _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^_/]+)_([^/]+)'
+       IE_NAME = u'dailymotion'
+
+       def __init__(self, downloader=None):

                InfoExtractor.__init__(self, downloader)
                InfoExtractor.__init__(self, downloader)

-               self._youtube_ie = youtube_ie
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(YoutubeSearchIE._VALID_QUERY, url) is not None)

 
 

-       def report_download_page(self, query, pagenum):
-               """Report attempt to download playlist page with given number."""
-               self._downloader.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[dailymotion] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[dailymotion] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url):
+               # Extract id and simplified title from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+               video_id = mobj.group(1)
+
+               video_extension = 'flv'
+
+               # Retrieve video webpage to extract further information
+               request = urllib2.Request(url)
+               request.add_header('Cookie', 'family_filter=off')
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable retrieve video webpage: %s' % str(err))
+                       return
+
+               # Extract URL, uploader and title from webpage
+               self.report_extraction(video_id)
+               mobj = re.search(r'(?i)addVariable\(\"sequence\"\s*,\s*\"([^\"]+?)\"\)', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       return
+               sequence = urllib.unquote(mobj.group(1))
+               mobj = re.search(r',\"sdURL\"\:\"([^\"]+?)\",', sequence)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       return
+               mediaURL = urllib.unquote(mobj.group(1)).replace('\\', '')
+
+               # if needed add http://www.dailymotion.com/ if relative URL
+
+               video_url = mediaURL
+
+               mobj = re.search(r'<meta property="og:title" content="(?P<title>[^"]*)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               video_title = _unescapeHTML(mobj.group('title').decode('utf-8'))
+               video_title = sanitize_title(video_title)
+               simple_title = _simplify_title(video_title)
+
+               mobj = re.search(r'(?im)<span class="owner[^\"]+?">[^<]+?<a [^>]+?>([^<]+?)</a></span>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                       return
+               video_uploader = mobj.group(1)
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url.decode('utf-8'),
+                               'uploader':     video_uploader.decode('utf-8'),
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          video_extension.decode('utf-8'),
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class GoogleIE(InfoExtractor):
+       """Information extractor for video.google.com."""
+
+       _VALID_URL = r'(?:http://)?video\.google\.(?:com(?:\.au)?|co\.(?:uk|jp|kr|cr)|ca|de|es|fr|it|nl|pl)/videoplay\?docid=([^\&]+).*'
+       IE_NAME = u'video.google'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[video.google] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[video.google] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url):
+               # Extract id from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+               video_id = mobj.group(1)
+
+               video_extension = 'mp4'
+
+               # Retrieve video webpage to extract further information
+               request = urllib2.Request('http://video.google.com/videoplay?docid=%s&hl=en&oe=utf-8' % video_id)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               # Extract URL, uploader, and title from webpage
+               self.report_extraction(video_id)
+               mobj = re.search(r"download_url:'([^']+)'", webpage)
+               if mobj is None:
+                       video_extension = 'flv'
+                       mobj = re.search(r"(?i)videoUrl\\x3d(.+?)\\x26", webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       return
+               mediaURL = urllib.unquote(mobj.group(1))
+               mediaURL = mediaURL.replace('\\x3d', '\x3d')
+               mediaURL = mediaURL.replace('\\x26', '\x26')
+
+               video_url = mediaURL
+
+               mobj = re.search(r'<title>(.*)</title>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               video_title = sanitize_title(video_title)
+               simple_title = _simplify_title(video_title)
+
+               # Extract video description
+               mobj = re.search(r'<span id=short-desc-content>([^<]*)</span>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video description')
+                       return
+               video_description = mobj.group(1).decode('utf-8')
+               if not video_description:
+                       video_description = 'No description available.'
+
+               # Extract video thumbnail
+               if self._downloader.params.get('forcethumbnail', False):
+                       request = urllib2.Request('http://video.google.com/videosearch?q=%s+site:video.google.com&hl=en' % abs(int(video_id)))
+                       try:
+                               webpage = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                               return
+                       mobj = re.search(r'<img class=thumbnail-img (?:.* )?src=(http.*)>', webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                               return
+                       video_thumbnail = mobj.group(1)
+               else:   # we need something to pass to process_info
+                       video_thumbnail = ''
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url.decode('utf-8'),
+                               'uploader':     u'NA',
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          video_extension.decode('utf-8'),
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class PhotobucketIE(InfoExtractor):
+       """Information extractor for photobucket.com."""
+
+       _VALID_URL = r'(?:http://)?(?:[a-z0-9]+\.)?photobucket\.com/.*[\?\&]current=(.*\.flv)'
+       IE_NAME = u'photobucket'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[photobucket] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[photobucket] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url):
+               # Extract id from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+               video_id = mobj.group(1)
+
+               video_extension = 'flv'
+
+               # Retrieve video webpage to extract further information
+               request = urllib2.Request(url)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               # Extract URL, uploader, and title from webpage
+               self.report_extraction(video_id)
+               mobj = re.search(r'<link rel="video_src" href=".*\?file=([^"]+)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       return
+               mediaURL = urllib.unquote(mobj.group(1))
+
+               video_url = mediaURL
+
+               mobj = re.search(r'<title>(.*) video by (.*) - Photobucket</title>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               video_title = sanitize_title(video_title)
+               simple_title = _simplify_title(vide_title)
+
+               video_uploader = mobj.group(2).decode('utf-8')
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url.decode('utf-8'),
+                               'uploader':     video_uploader,
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          video_extension.decode('utf-8'),
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class YahooIE(InfoExtractor):
+       """Information extractor for video.yahoo.com."""
+
+       # _VALID_URL matches all Yahoo! Video URLs
+       # _VPAGE_URL matches only the extractable '/watch/' URLs
+       _VALID_URL = r'(?:http://)?(?:[a-z]+\.)?video\.yahoo\.com/(?:watch|network)/([0-9]+)(?:/|\?v=)([0-9]+)(?:[#\?].*)?'
+       _VPAGE_URL = r'(?:http://)?video\.yahoo\.com/watch/([0-9]+)/([0-9]+)(?:[#\?].*)?'
+       IE_NAME = u'video.yahoo'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[video.yahoo] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[video.yahoo] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url, new_video=True):
+               # Extract ID from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+               video_id = mobj.group(2)
+               video_extension = 'flv'
+
+               # Rewrite valid but non-extractable URLs as
+               # extractable English language /watch/ URLs
+               if re.match(self._VPAGE_URL, url) is None:
+                       request = urllib2.Request(url)
+                       try:
+                               webpage = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                               return
+
+                       mobj = re.search(r'\("id", "([0-9]+)"\);', webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: Unable to extract id field')
+                               return
+                       yahoo_id = mobj.group(1)
+
+                       mobj = re.search(r'\("vid", "([0-9]+)"\);', webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: Unable to extract vid field')
+                               return
+                       yahoo_vid = mobj.group(1)
+
+                       url = 'http://video.yahoo.com/watch/%s/%s' % (yahoo_vid, yahoo_id)
+                       return self._real_extract(url, new_video=False)
+
+               # Retrieve video webpage to extract further information
+               request = urllib2.Request(url)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               # Extract uploader and title from webpage
+               self.report_extraction(video_id)
+               mobj = re.search(r'<meta name="title" content="(.*)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               simple_title = _simplify_title(video_title)
+
+               mobj = re.search(r'<h2 class="ti-5"><a href="http://video\.yahoo\.com/(people|profile)/[0-9]+" beacon=".*">(.*)</a></h2>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video uploader')
+                       return
+               video_uploader = mobj.group(1).decode('utf-8')
+
+               # Extract video thumbnail
+               mobj = re.search(r'<link rel="image_src" href="(.*)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                       return
+               video_thumbnail = mobj.group(1).decode('utf-8')
+
+               # Extract video description
+               mobj = re.search(r'<meta name="description" content="(.*)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video description')
+                       return
+               video_description = mobj.group(1).decode('utf-8')
+               if not video_description:
+                       video_description = 'No description available.'
+
+               # Extract video height and width
+               mobj = re.search(r'<meta name="video_height" content="([0-9]+)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video height')
+                       return
+               yv_video_height = mobj.group(1)
+
+               mobj = re.search(r'<meta name="video_width" content="([0-9]+)" />', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video width')
+                       return
+               yv_video_width = mobj.group(1)
+
+               # Retrieve video playlist to extract media URL
+               # I'm not completely sure what all these options are, but we
+               # seem to need most of them, otherwise the server sends a 401.
+               yv_lg = 'R0xx6idZnW2zlrKP8xxAIR'  # not sure what this represents
+               yv_bitrate = '700'  # according to Wikipedia this is hard-coded
+               request = urllib2.Request('http://cosmos.bcst.yahoo.com/up/yep/process/getPlaylistFOP.php?node_id=' + video_id +
+                               '&tech=flash&mode=playlist&lg=' + yv_lg + '&bitrate=' + yv_bitrate + '&vidH=' + yv_video_height +
+                               '&vidW=' + yv_video_width + '&swf=as3&rd=video.yahoo.com&tk=null&adsupported=v1,v2,&eventid=1301797')
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               # Extract media URL from playlist XML
+               mobj = re.search(r'<STREAM APP="(http://.*)" FULLPATH="/?(/.*\.flv\?[^"]*)"', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Unable to extract media URL')
+                       return
+               video_url = urllib.unquote(mobj.group(1) + mobj.group(2)).decode('utf-8')
+               video_url = re.sub(r'(?u)&(.+?);', htmlentity_transform, video_url)
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url,
+                               'uploader':     video_uploader,
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          video_extension.decode('utf-8'),
+                               'thumbnail':    video_thumbnail.decode('utf-8'),
+                               'description':  video_description,
+                               'thumbnail':    video_thumbnail,
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class VimeoIE(InfoExtractor):
+       """Information extractor for vimeo.com."""
+
+       # _VALID_URL matches Vimeo URLs
+       _VALID_URL = r'(?:https?://)?(?:(?:www|player).)?vimeo\.com/(?:groups/[^/]+/)?(?:videos?/)?([0-9]+)'
+       IE_NAME = u'vimeo'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[vimeo] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[vimeo] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url, new_video=True):
+               # Extract ID from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+               video_id = mobj.group(1)
+
+               # Retrieve video webpage to extract further information
+               request = urllib2.Request("http://vimeo.com/moogaloop/load/clip:%s" % video_id, None, std_headers)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               # Now we begin extracting as much information as we can from what we
+               # retrieved. First we extract the information common to all extractors,
+               # and latter we extract those that are Vimeo specific.
+               self.report_extraction(video_id)
+
+               # Extract title
+               mobj = re.search(r'<caption>(.*?)</caption>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               simple_title = _simplify_title(video_title)
+
+               # Extract uploader
+               mobj = re.search(r'<uploader_url>http://vimeo.com/(.*?)</uploader_url>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video uploader')
+                       return
+               video_uploader = mobj.group(1).decode('utf-8')
+
+               # Extract video thumbnail
+               mobj = re.search(r'<thumbnail>(.*?)</thumbnail>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                       return
+               video_thumbnail = mobj.group(1).decode('utf-8')
+
+               # # Extract video description
+               # mobj = re.search(r'<meta property="og:description" content="(.*)" />', webpage)
+               # if mobj is None:
+               #       self._downloader.trouble(u'ERROR: unable to extract video description')
+               #       return
+               # video_description = mobj.group(1).decode('utf-8')
+               # if not video_description: video_description = 'No description available.'
+               video_description = 'Foo.'
+
+               # Vimeo specific: extract request signature
+               mobj = re.search(r'<request_signature>(.*?)</request_signature>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract request signature')
+                       return
+               sig = mobj.group(1).decode('utf-8')
+
+               # Vimeo specific: extract video quality information
+               mobj = re.search(r'<isHD>(\d+)</isHD>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video quality information')
+                       return
+               quality = mobj.group(1).decode('utf-8')
+
+               if int(quality) == 1:
+                       quality = 'hd'
+               else:
+                       quality = 'sd'
+
+               # Vimeo specific: Extract request signature expiration
+               mobj = re.search(r'<request_signature_expires>(.*?)</request_signature_expires>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract request signature expiration')
+                       return
+               sig_exp = mobj.group(1).decode('utf-8')
+
+               video_url = "http://vimeo.com/moogaloop/play/clip:%s/%s/%s/?q=%s" % (video_id, sig, sig_exp, quality)
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url,
+                               'uploader':     video_uploader,
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          u'mp4',
+                               'thumbnail':    video_thumbnail.decode('utf-8'),
+                               'description':  video_description,
+                               'thumbnail':    video_thumbnail,
+                               'description':  video_description,
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
+
+
+class GenericIE(InfoExtractor):
+       """Generic last-resort information extractor."""
+
+       _VALID_URL = r'.*'
+       IE_NAME = u'generic'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'WARNING: Falling back on generic information extractor.')
+               self._downloader.to_screen(u'[generic] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[generic] %s: Extracting information' % video_id)
+
+       def _real_extract(self, url):
+               # At this point we have a new video
+               self._downloader.increment_downloads()
+
+               video_id = url.split('/')[-1]
+               request = urllib2.Request(url)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+               except ValueError, err:
+                       # since this is the last-resort InfoExtractor, if
+                       # this error is thrown, it'll be thrown here
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               self.report_extraction(video_id)
+               # Start with something easy: JW Player in SWFObject
+               mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
+               if mobj is None:
+                       # Broaden the search a little bit
+                       mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               # It's possible that one of the regexes
+               # matched, but returned an empty group:
+               if mobj.group(1) is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               video_url = urllib.unquote(mobj.group(1))
+               video_id = os.path.basename(video_url)
+
+               # here's a fun little line of code for you:
+               video_extension = os.path.splitext(video_id)[1][1:]
+               video_id = os.path.splitext(video_id)[0]
+
+               # it's tempting to parse this further, but you would
+               # have to take into account all the variations like
+               #   Video Title - Site Name
+               #   Site Name | Video Title
+               #   Video Title - Tagline | Site Name
+               # and so on and so forth; it's just not practical
+               mobj = re.search(r'<title>(.*)</title>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               video_title = sanitize_title(video_title)
+               simple_title = _simplify_title(video_title)
+
+               # video uploader is domain name
+               mobj = re.match(r'(?:https?://)?([^/]*)/.*', url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               video_uploader = mobj.group(1).decode('utf-8')
+
+               try:
+                       # Process video information
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          video_url.decode('utf-8'),
+                               'uploader':     video_uploader,
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          video_extension.decode('utf-8'),
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class YoutubeSearchIE(InfoExtractor):
+       """Information Extractor for YouTube search queries."""
+       _VALID_URL = r'ytsearch(\d+|all)?:[\s\S]+'
+       _TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
+       _VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
+       _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+       _youtube_ie = None
+       _max_youtube_results = 1000
+       IE_NAME = u'youtube:search'
+
+       def __init__(self, youtube_ie, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+               self._youtube_ie = youtube_ie
+
+       def report_download_page(self, query, pagenum):
+               """Report attempt to download playlist page with given number."""
+               query = query.decode(preferredencoding())
+               self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+
+       def _real_initialize(self):
+               self._youtube_ie.initialize()
+
+       def _real_extract(self, query):
+               mobj = re.match(self._VALID_URL, query)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+                       return
+
+               prefix, query = query.split(':')
+               prefix = prefix[8:]
+               query = query.encode('utf-8')
+               if prefix == '':
+                       self._download_n_results(query, 1)
+                       return
+               elif prefix == 'all':
+                       self._download_n_results(query, self._max_youtube_results)
+                       return
+               else:
+                       try:
+                               n = long(prefix)
+                               if n <= 0:
+                                       self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+                                       return
+                               elif n > self._max_youtube_results:
+                                       self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n))
+                                       n = self._max_youtube_results
+                               self._download_n_results(query, n)
+                               return
+                       except ValueError: # parsing prefix as integer fails
+                               self._download_n_results(query, 1)
+                               return
+
+       def _download_n_results(self, query, n):
+               """Downloads a specified number of results for a query"""
+
+               video_ids = []
+               already_seen = set()
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(query, pagenum)
+                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+                       request = urllib2.Request(result_url)
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                               video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
+                               if video_id not in already_seen:
+                                       video_ids.append(video_id)
+                                       already_seen.add(video_id)
+                                       if len(video_ids) == n:
+                                               # Specified n videos reached
+                                               for id in video_ids:
+                                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+                                               return
+
+                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+                               for id in video_ids:
+                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+                               return
+
+                       pagenum = pagenum + 1
+
+
+class GoogleSearchIE(InfoExtractor):
+       """Information Extractor for Google Video search queries."""
+       _VALID_URL = r'gvsearch(\d+|all)?:[\s\S]+'
+       _TEMPLATE_URL = 'http://video.google.com/videosearch?q=%s+site:video.google.com&start=%s&hl=en'
+       _VIDEO_INDICATOR = r'videoplay\?docid=([^\&>]+)\&'
+       _MORE_PAGES_INDICATOR = r'<span>Next</span>'
+       _google_ie = None
+       _max_google_results = 1000
+       IE_NAME = u'video.google:search'
+
+       def __init__(self, google_ie, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+               self._google_ie = google_ie
+
+       def report_download_page(self, query, pagenum):
+               """Report attempt to download playlist page with given number."""
+               query = query.decode(preferredencoding())
+               self._downloader.to_screen(u'[video.google] query "%s": Downloading page %s' % (query, pagenum))
+
+       def _real_initialize(self):
+               self._google_ie.initialize()
+
+       def _real_extract(self, query):
+               mobj = re.match(self._VALID_URL, query)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+                       return
+
+               prefix, query = query.split(':')
+               prefix = prefix[8:]
+               query = query.encode('utf-8')
+               if prefix == '':
+                       self._download_n_results(query, 1)
+                       return
+               elif prefix == 'all':
+                       self._download_n_results(query, self._max_google_results)
+                       return
+               else:
+                       try:
+                               n = long(prefix)
+                               if n <= 0:
+                                       self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+                                       return
+                               elif n > self._max_google_results:
+                                       self._downloader.to_stderr(u'WARNING: gvsearch returns max %i results (you requested %i)' % (self._max_google_results, n))
+                                       n = self._max_google_results
+                               self._download_n_results(query, n)
+                               return
+                       except ValueError: # parsing prefix as integer fails
+                               self._download_n_results(query, 1)
+                               return
+
+       def _download_n_results(self, query, n):
+               """Downloads a specified number of results for a query"""
+
+               video_ids = []
+               already_seen = set()
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(query, pagenum)
+                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+                       request = urllib2.Request(result_url)
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                               video_id = mobj.group(1)
+                               if video_id not in already_seen:
+                                       video_ids.append(video_id)
+                                       already_seen.add(video_id)
+                                       if len(video_ids) == n:
+                                               # Specified n videos reached
+                                               for id in video_ids:
+                                                       self._google_ie.extract('http://video.google.com/videoplay?docid=%s' % id)
+                                               return
+
+                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+                               for id in video_ids:
+                                       self._google_ie.extract('http://video.google.com/videoplay?docid=%s' % id)
+                               return
+
+                       pagenum = pagenum + 1
+
+
+class YahooSearchIE(InfoExtractor):
+       """Information Extractor for Yahoo! Video search queries."""
+       _VALID_URL = r'yvsearch(\d+|all)?:[\s\S]+'
+       _TEMPLATE_URL = 'http://video.yahoo.com/search/?p=%s&o=%s'
+       _VIDEO_INDICATOR = r'href="http://video\.yahoo\.com/watch/([0-9]+/[0-9]+)"'
+       _MORE_PAGES_INDICATOR = r'\s*Next'
+       _yahoo_ie = None
+       _max_yahoo_results = 1000
+       IE_NAME = u'video.yahoo:search'
+
+       def __init__(self, yahoo_ie, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+               self._yahoo_ie = yahoo_ie
+
+       def report_download_page(self, query, pagenum):
+               """Report attempt to download playlist page with given number."""
+               query = query.decode(preferredencoding())
+               self._downloader.to_screen(u'[video.yahoo] query "%s": Downloading page %s' % (query, pagenum))
+
+       def _real_initialize(self):
+               self._yahoo_ie.initialize()
+
+       def _real_extract(self, query):
+               mobj = re.match(self._VALID_URL, query)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+                       return
+
+               prefix, query = query.split(':')
+               prefix = prefix[8:]
+               query = query.encode('utf-8')
+               if prefix == '':
+                       self._download_n_results(query, 1)
+                       return
+               elif prefix == 'all':
+                       self._download_n_results(query, self._max_yahoo_results)
+                       return
+               else:
+                       try:
+                               n = long(prefix)
+                               if n <= 0:
+                                       self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+                                       return
+                               elif n > self._max_yahoo_results:
+                                       self._downloader.to_stderr(u'WARNING: yvsearch returns max %i results (you requested %i)' % (self._max_yahoo_results, n))
+                                       n = self._max_yahoo_results
+                               self._download_n_results(query, n)
+                               return
+                       except ValueError: # parsing prefix as integer fails
+                               self._download_n_results(query, 1)
+                               return
+
+       def _download_n_results(self, query, n):
+               """Downloads a specified number of results for a query"""
+
+               video_ids = []
+               already_seen = set()
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(query, pagenum)
+                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+                       request = urllib2.Request(result_url)
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                               video_id = mobj.group(1)
+                               if video_id not in already_seen:
+                                       video_ids.append(video_id)
+                                       already_seen.add(video_id)
+                                       if len(video_ids) == n:
+                                               # Specified n videos reached
+                                               for id in video_ids:
+                                                       self._yahoo_ie.extract('http://video.yahoo.com/watch/%s' % id)
+                                               return
+
+                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+                               for id in video_ids:
+                                       self._yahoo_ie.extract('http://video.yahoo.com/watch/%s' % id)
+                               return
+
+                       pagenum = pagenum + 1
+
+
+class YoutubePlaylistIE(InfoExtractor):
+       """Information Extractor for YouTube playlists."""
+
+       _VALID_URL = r'(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL)?([0-9A-Za-z-_]+)(?:/.*?/([0-9A-Za-z_-]+))?.*'
+       _TEMPLATE_URL = 'http://www.youtube.com/%s?%s=%s&page=%s&gl=US&hl=en'
+       _VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
+       _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+       _youtube_ie = None
+       IE_NAME = u'youtube:playlist'
+
+       def __init__(self, youtube_ie, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+               self._youtube_ie = youtube_ie
+
+       def report_download_page(self, playlist_id, pagenum):
+               """Report attempt to download playlist page with given number."""
+               self._downloader.to_screen(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
+
+       def _real_initialize(self):
+               self._youtube_ie.initialize()
+
+       def _real_extract(self, url):
+               # Extract playlist id
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+                       return
+
+               # Single video case
+               if mobj.group(3) is not None:
+                       self._youtube_ie.extract(mobj.group(3))
+                       return
+
+               # Download playlist pages
+               # prefix is 'p' as default for playlists but there are other types that need extra care
+               playlist_prefix = mobj.group(1)
+               if playlist_prefix == 'a':
+                       playlist_access = 'artist'
+               else:
+                       playlist_prefix = 'p'
+                       playlist_access = 'view_play_list'
+               playlist_id = mobj.group(2)
+               video_ids = []
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(playlist_id, pagenum)
+                       url = self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum)
+                       request = urllib2.Request(url)
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       ids_in_page = []
+                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                               if mobj.group(1) not in ids_in_page:
+                                       ids_in_page.append(mobj.group(1))
+                       video_ids.extend(ids_in_page)
+
+                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+                               break
+                       pagenum = pagenum + 1
+
+               playliststart = self._downloader.params.get('playliststart', 1) - 1
+               playlistend = self._downloader.params.get('playlistend', -1)
+               video_ids = video_ids[playliststart:playlistend]
+
+               for id in video_ids:
+                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+               return
+
+
+class YoutubeUserIE(InfoExtractor):
+       """Information Extractor for YouTube users."""
+
+       _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/user/)|ytuser:)([A-Za-z0-9_-]+)'
+       _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
+       _GDATA_PAGE_SIZE = 50
+       _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d'
+       _VIDEO_INDICATOR = r'/watch\?v=(.+?)[\<&]'
+       _youtube_ie = None
+       IE_NAME = u'youtube:user'
+
+       def __init__(self, youtube_ie, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+               self._youtube_ie = youtube_ie
+
+       def report_download_page(self, username, start_index):
+               """Report attempt to download user page."""
+               self._downloader.to_screen(u'[youtube] user %s: Downloading video ids from %d to %d' %
+                               (username, start_index, start_index + self._GDATA_PAGE_SIZE))
+
+       def _real_initialize(self):
+               self._youtube_ie.initialize()
+
+       def _real_extract(self, url):
+               # Extract username
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+                       return
+
+               username = mobj.group(1)
+
+               # Download video ids using YouTube Data API. Result size per
+               # query is limited (currently to 50 videos) so we need to query
+               # page by page until there are no video ids - it means we got
+               # all of them.
+
+               video_ids = []
+               pagenum = 0
+
+               while True:
+                       start_index = pagenum * self._GDATA_PAGE_SIZE + 1
+                       self.report_download_page(username, start_index)
+
+                       request = urllib2.Request(self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index))
+
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       ids_in_page = []
+
+                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                               if mobj.group(1) not in ids_in_page:
+                                       ids_in_page.append(mobj.group(1))
+
+                       video_ids.extend(ids_in_page)
+
+                       # A little optimization - if current page is not
+                       # "full", ie. does not contain PAGE_SIZE video ids then
+                       # we can assume that this page is the last one - there
+                       # are no more ids on further pages - no need to query
+                       # again.
+
+                       if len(ids_in_page) < self._GDATA_PAGE_SIZE:
+                               break
+
+                       pagenum += 1
+
+               all_ids_count = len(video_ids)
+               playliststart = self._downloader.params.get('playliststart', 1) - 1
+               playlistend = self._downloader.params.get('playlistend', -1)
+
+               if playlistend == -1:
+                       video_ids = video_ids[playliststart:]
+               else:
+                       video_ids = video_ids[playliststart:playlistend]
+
+               self._downloader.to_screen("[youtube] user %s: Collected %d video ids (downloading %d of them)" %
+                               (username, all_ids_count, len(video_ids)))
+
+               for video_id in video_ids:
+                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % video_id)
+
+
+class DepositFilesIE(InfoExtractor):
+       """Information extractor for depositfiles.com"""
+
+       _VALID_URL = r'(?:http://)?(?:\w+\.)?depositfiles\.com/(?:../(?#locale))?files/(.+)'
+       IE_NAME = u'DepositFiles'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, file_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[DepositFiles] %s: Downloading webpage' % file_id)
+
+       def report_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[DepositFiles] %s: Extracting information' % file_id)
+
+       def _real_extract(self, url):
+               # At this point we have a new file
+               self._downloader.increment_downloads()
+
+               file_id = url.split('/')[-1]
+               # Rebuild url in english locale
+               url = 'http://depositfiles.com/en/files/' + file_id
+
+               # Retrieve file webpage with 'Free download' button pressed
+               free_download_indication = { 'gateway_result' : '1' }
+               request = urllib2.Request(url, urllib.urlencode(free_download_indication))
+               try:
+                       self.report_download_webpage(file_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve file webpage: %s' % str(err))
+                       return
+
+               # Search for the real file URL
+               mobj = re.search(r'<form action="(http://fileshare.+?)"', webpage)
+               if (mobj is None) or (mobj.group(1) is None):
+                       # Try to figure out reason of the error.
+                       mobj = re.search(r'<strong>(Attention.*?)</strong>', webpage, re.DOTALL)
+                       if (mobj is not None) and (mobj.group(1) is not None):
+                               restriction_message = re.sub('\s+', ' ', mobj.group(1)).strip()
+                               self._downloader.trouble(u'ERROR: %s' % restriction_message)
+                       else:
+                               self._downloader.trouble(u'ERROR: unable to extract download URL from: %s' % url)
+                       return
+
+               file_url = mobj.group(1)
+               file_extension = os.path.splitext(file_url)[1][1:]
+
+               # Search for file title
+               mobj = re.search(r'<b title="(.*?)">', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+               file_title = mobj.group(1).decode('utf-8')
+
+               try:
+                       # Process file information
+                       self._downloader.process_info({
+                               'id':           file_id.decode('utf-8'),
+                               'url':          file_url.decode('utf-8'),
+                               'uploader':     u'NA',
+                               'upload_date':  u'NA',
+                               'title':        file_title,
+                               'stitle':       file_title,
+                               'ext':          file_extension.decode('utf-8'),
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'ERROR: unable to download file')
+
+
+class FacebookIE(InfoExtractor):
+       """Information Extractor for Facebook"""
+
+       _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
+       _LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&'
+       _NETRC_MACHINE = 'facebook'
+       _available_formats = ['video', 'highqual', 'lowqual']
+       _video_extensions = {
+               'video': 'mp4',
+               'highqual': 'mp4',
+               'lowqual': 'mp4',
+       }
+       IE_NAME = u'facebook'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def _reporter(self, message):
+               """Add header and report message."""
+               self._downloader.to_screen(u'[facebook] %s' % message)
+
+       def report_login(self):
+               """Report attempt to log in."""
+               self._reporter(u'Logging in')
+
+       def report_video_webpage_download(self, video_id):
+               """Report attempt to download video webpage."""
+               self._reporter(u'%s: Downloading video webpage' % video_id)
+
+       def report_information_extraction(self, video_id):
+               """Report attempt to extract video information."""
+               self._reporter(u'%s: Extracting video information' % video_id)
+
+       def _parse_page(self, video_webpage):
+               """Extract video information from page"""
+               # General data
+               data = {'title': r'\("video_title", "(.*?)"\)',
+                       'description': r'<div class="datawrap">(.*?)</div>',
+                       'owner': r'\("video_owner_name", "(.*?)"\)',
+                       'thumbnail':  r'\("thumb_url", "(?P<THUMB>.*?)"\)',
+                       }
+               video_info = {}
+               for piece in data.keys():
+                       mobj = re.search(data[piece], video_webpage)
+                       if mobj is not None:
+                               video_info[piece] = urllib.unquote_plus(mobj.group(1).decode("unicode_escape"))
+
+               # Video urls
+               video_urls = {}
+               for fmt in self._available_formats:
+                       mobj = re.search(r'\("%s_src\", "(.+?)"\)' % fmt, video_webpage)
+                       if mobj is not None:
+                               # URL is in a Javascript segment inside an escaped Unicode format within
+                               # the generally utf-8 page
+                               video_urls[fmt] = urllib.unquote_plus(mobj.group(1).decode("unicode_escape"))
+               video_info['video_urls'] = video_urls
+
+               return video_info
+
+       def _real_initialize(self):
+               if self._downloader is None:
+                       return
+
+               useremail = None
+               password = None
+               downloader_params = self._downloader.params
+
+               # Attempt to use provided username and password or .netrc data
+               if downloader_params.get('username', None) is not None:
+                       useremail = downloader_params['username']
+                       password = downloader_params['password']
+               elif downloader_params.get('usenetrc', False):
+                       try:
+                               info = netrc.netrc().authenticators(self._NETRC_MACHINE)
+                               if info is not None:
+                                       useremail = info[0]
+                                       password = info[2]
+                               else:
+                                       raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
+                       except (IOError, netrc.NetrcParseError), err:
+                               self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % str(err))
+                               return
+
+               if useremail is None:
+                       return
+
+               # Log in
+               login_form = {
+                       'email': useremail,
+                       'pass': password,
+                       'login': 'Log+In'
+                       }
+               request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form))
+               try:
+                       self.report_login()
+                       login_results = urllib2.urlopen(request).read()
+                       if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
+                               self._downloader.to_stderr(u'WARNING: unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
+                               return
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.to_stderr(u'WARNING: unable to log in: %s' % str(err))
+                       return
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               video_id = mobj.group('ID')
+
+               # Get video webpage
+               self.report_video_webpage_download(video_id)
+               request = urllib2.Request('https://www.facebook.com/video/video.php?v=%s' % video_id)
+               try:
+                       page = urllib2.urlopen(request)
+                       video_webpage = page.read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               # Start extracting information
+               self.report_information_extraction(video_id)
+
+               # Extract information
+               video_info = self._parse_page(video_webpage)
+
+               # uploader
+               if 'owner' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                       return
+               video_uploader = video_info['owner']
+
+               # title
+               if 'title' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = video_info['title']
+               video_title = video_title.decode('utf-8')
+               video_title = sanitize_title(video_title)
+
+               simple_title = _simplify_title(video_title)
+
+               # thumbnail image
+               if 'thumbnail' not in video_info:
+                       self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
+                       video_thumbnail = ''
+               else:
+                       video_thumbnail = video_info['thumbnail']
+
+               # upload date
+               upload_date = u'NA'
+               if 'upload_date' in video_info:
+                       upload_time = video_info['upload_date']
+                       timetuple = email.utils.parsedate_tz(upload_time)
+                       if timetuple is not None:
+                               try:
+                                       upload_date = time.strftime('%Y%m%d', timetuple[0:9])
+                               except:
+                                       pass
+
+               # description
+               video_description = video_info.get('description', 'No description available.')
+
+               url_map = video_info['video_urls']
+               if len(url_map.keys()) > 0:
+                       # Decide which formats to download
+                       req_format = self._downloader.params.get('format', None)
+                       format_limit = self._downloader.params.get('format_limit', None)
+
+                       if format_limit is not None and format_limit in self._available_formats:
+                               format_list = self._available_formats[self._available_formats.index(format_limit):]
+                       else:
+                               format_list = self._available_formats
+                       existing_formats = [x for x in format_list if x in url_map]
+                       if len(existing_formats) == 0:
+                               self._downloader.trouble(u'ERROR: no known formats available for video')
+                               return
+                       if req_format is None:
+                               video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
+                       elif req_format == 'worst':
+                               video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
+                       elif req_format == '-1':
+                               video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
+                       else:
+                               # Specific format
+                               if req_format not in url_map:
+                                       self._downloader.trouble(u'ERROR: requested format not available')
+                                       return
+                               video_url_list = [(req_format, url_map[req_format])] # Specific format
+
+               for format_param, video_real_url in video_url_list:
+
+                       # At this point we have a new video
+                       self._downloader.increment_downloads()
+
+                       # Extension
+                       video_extension = self._video_extensions.get(format_param, 'mp4')
+
+                       try:
+                               # Process video information
+                               self._downloader.process_info({
+                                       'id':           video_id.decode('utf-8'),
+                                       'url':          video_real_url.decode('utf-8'),
+                                       'uploader':     video_uploader.decode('utf-8'),
+                                       'upload_date':  upload_date,
+                                       'title':        video_title,
+                                       'stitle':       simple_title,
+                                       'ext':          video_extension.decode('utf-8'),
+                                       'format':       (format_param is None and u'NA' or format_param.decode('utf-8')),
+                                       'thumbnail':    video_thumbnail.decode('utf-8'),
+                                       'description':  video_description.decode('utf-8'),
+                                       'player_url':   None,
+                               })
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'\nERROR: unable to download video')
+
+class BlipTVIE(InfoExtractor):
+       """Information extractor for blip.tv"""
+
+       _VALID_URL = r'^(?:https?://)?(?:\w+\.)?blip\.tv(/.+)$'
+       _URL_EXT = r'^.*\.([a-z0-9]+)$'
+       IE_NAME = u'blip.tv'
+
+       def report_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
+
+       def report_direct_download(self, title):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Direct download detected' % (self.IE_NAME, title))
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+
+               if '?' in url:
+                       cchar = '&'
+               else:
+                       cchar = '?'
+               json_url = url + cchar + 'skin=json&version=2&no_wrap=1'
+               request = urllib2.Request(json_url)
+               self.report_extraction(mobj.group(1))
+               info = None
+               try:
+                       urlh = urllib2.urlopen(request)
+                       if urlh.headers.get('Content-Type', '').startswith('video/'): # Direct download
+                               basename = url.split('/')[-1]
+                               title,ext = os.path.splitext(basename)
+                               title = title.decode('UTF-8')
+                               ext = ext.replace('.', '')
+                               self.report_direct_download(title)
+                               info = {
+                                       'id': title,
+                                       'url': url,
+                                       'title': title,
+                                       'stitle': _simplify_title(title),
+                                       'ext': ext,
+                                       'urlhandle': urlh
+                               }
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
+                       return
+               if info is None: # Regular URL
+                       try:
+                               json_code = urlh.read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to read video info webpage: %s' % str(err))
+                               return
+
+                       try:
+                               json_data = json.loads(json_code)
+                               if 'Post' in json_data:
+                                       data = json_data['Post']
+                               else:
+                                       data = json_data
+       
+                               upload_date = datetime.datetime.strptime(data['datestamp'], '%m-%d-%y %H:%M%p').strftime('%Y%m%d')
+                               video_url = data['media']['url']
+                               umobj = re.match(self._URL_EXT, video_url)
+                               if umobj is None:
+                                       raise ValueError('Can not determine filename extension')
+                               ext = umobj.group(1)
+       
+                               info = {
+                                       'id': data['item_id'],
+                                       'url': video_url,
+                                       'uploader': data['display_name'],
+                                       'upload_date': upload_date,
+                                       'title': data['title'],
+                                       'stitle': _simplify_title(data['title']),
+                                       'ext': ext,
+                                       'format': data['media']['mimeType'],
+                                       'thumbnail': data['thumbnailUrl'],
+                                       'description': data['description'],
+                                       'player_url': data['embedUrl']
+                               }
+                       except (ValueError,KeyError), err:
+                               self._downloader.trouble(u'ERROR: unable to parse video information: %s' % repr(err))
+                               return
+
+               self._downloader.increment_downloads()
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class MyVideoIE(InfoExtractor):
+       """Information Extractor for myvideo.de."""
+
+       _VALID_URL = r'(?:http://)?(?:www\.)?myvideo\.de/watch/([0-9]+)/([^?/]+).*'
+       IE_NAME = u'myvideo'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+       
+       def report_download_webpage(self, video_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[myvideo] %s: Downloading webpage' % video_id)
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[myvideo] %s: Extracting information' % video_id)
+
+       def _real_extract(self,url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._download.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+
+               video_id = mobj.group(1)
+
+               # Get video webpage
+               request = urllib2.Request('http://www.myvideo.de/watch/%s' % video_id)
+               try:
+                       self.report_download_webpage(video_id)
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction(video_id)
+               mobj = re.search(r'<link rel=\'image_src\' href=\'(http://is[0-9].myvideo\.de/de/movie[0-9]+/[a-f0-9]+)/thumbs/[^.]+\.jpg\' />',
+                                webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       return
+               video_url = mobj.group(1) + ('/%s.flv' % video_id)
+
+               mobj = re.search('<title>([^<]+)</title>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract title')
+                       return
+
+               video_title = mobj.group(1)
+               video_title = sanitize_title(video_title)
+
+               simple_title = _simplify_title(video_title)
+
+               try:
+                       self._downloader.process_info({
+                               'id':           video_id,
+                               'url':          video_url,
+                               'uploader':     u'NA',
+                               'upload_date':  u'NA',
+                               'title':        video_title,
+                               'stitle':       simple_title,
+                               'ext':          u'flv',
+                               'format':       u'NA',
+                               'player_url':   None,
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: Unable to download video')
+
+class ComedyCentralIE(InfoExtractor):
+       """Information extractor for The Daily Show and Colbert Report """
+
+       _VALID_URL = r'^(:(?P<shortname>tds|thedailyshow|cr|colbert|colbertnation|colbertreport))|(https?://)?(www\.)?(?P<showname>thedailyshow|colbertnation)\.com/full-episodes/(?P<episode>.*)$'
+       IE_NAME = u'comedycentral'
+
+       def report_extraction(self, episode_id):
+               self._downloader.to_screen(u'[comedycentral] %s: Extracting information' % episode_id)
+       
+       def report_config_download(self, episode_id):
+               self._downloader.to_screen(u'[comedycentral] %s: Downloading configuration' % episode_id)
+
+       def report_index_download(self, episode_id):
+               self._downloader.to_screen(u'[comedycentral] %s: Downloading show index' % episode_id)
+
+       def report_player_url(self, episode_id):
+               self._downloader.to_screen(u'[comedycentral] %s: Determining player URL' % episode_id)
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+
+               if mobj.group('shortname'):
+                       if mobj.group('shortname') in ('tds', 'thedailyshow'):
+                               url = u'http://www.thedailyshow.com/full-episodes/'
+                       else:
+                               url = u'http://www.colbertnation.com/full-episodes/'
+                       mobj = re.match(self._VALID_URL, url)
+                       assert mobj is not None
+
+               dlNewest = not mobj.group('episode')
+               if dlNewest:
+                       epTitle = mobj.group('showname')
+               else:
+                       epTitle = mobj.group('episode')
+
+               req = urllib2.Request(url)
+               self.report_extraction(epTitle)
+               try:
+                       htmlHandle = urllib2.urlopen(req)
+                       html = htmlHandle.read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download webpage: %s' % unicode(err))
+                       return
+               if dlNewest:
+                       url = htmlHandle.geturl()
+                       mobj = re.match(self._VALID_URL, url)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: Invalid redirected URL: ' + url)
+                               return
+                       if mobj.group('episode') == '':
+                               self._downloader.trouble(u'ERROR: Redirected URL is still not specific: ' + url)
+                               return
+                       epTitle = mobj.group('episode')
+
+               mMovieParams = re.findall('(?:<param name="movie" value="|var url = ")(http://media.mtvnservices.com/([^"]*episode.*?:.*?))"', html)
+               if len(mMovieParams) == 0:
+                       self._downloader.trouble(u'ERROR: unable to find Flash URL in webpage ' + url)
+                       return
+
+               playerUrl_raw = mMovieParams[0][0]
+               self.report_player_url(epTitle)
+               try:
+                       urlHandle = urllib2.urlopen(playerUrl_raw)
+                       playerUrl = urlHandle.geturl()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to find out player URL: ' + unicode(err))
+                       return
+
+               uri = mMovieParams[0][1]
+               indexUrl = 'http://shadow.comedycentral.com/feeds/video_player/mrss/?' + urllib.urlencode({'uri': uri})
+               self.report_index_download(epTitle)
+               try:
+                       indexXml = urllib2.urlopen(indexUrl).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download episode index: ' + unicode(err))
+                       return
+
+               idoc = xml.etree.ElementTree.fromstring(indexXml)
+               itemEls = idoc.findall('.//item')
+               for itemEl in itemEls:
+                       mediaId = itemEl.findall('./guid')[0].text
+                       shortMediaId = mediaId.split(':')[-1]
+                       showId = mediaId.split(':')[-2].replace('.com', '')
+                       officialTitle = itemEl.findall('./title')[0].text
+                       officialDate = itemEl.findall('./pubDate')[0].text
+
+                       configUrl = ('http://www.comedycentral.com/global/feeds/entertainment/media/mediaGenEntertainment.jhtml?' +
+                                               urllib.urlencode({'uri': mediaId}))
+                       configReq = urllib2.Request(configUrl)
+                       self.report_config_download(epTitle)
+                       try:
+                               configXml = urllib2.urlopen(configReq).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % unicode(err))
+                               return
+
+                       cdoc = xml.etree.ElementTree.fromstring(configXml)
+                       turls = []
+                       for rendition in cdoc.findall('.//rendition'):
+                               finfo = (rendition.attrib['bitrate'], rendition.findall('./src')[0].text)
+                               turls.append(finfo)
+
+                       if len(turls) == 0:
+                               self._downloader.trouble(u'\nERROR: unable to download ' + mediaId + ': No videos found')
+                               continue
+
+                       # For now, just pick the highest bitrate
+                       format,video_url = turls[-1]
+
+                       self._downloader.increment_downloads()
+
+                       effTitle = showId + u'-' + epTitle
+                       info = {
+                               'id': shortMediaId,
+                               'url': video_url,
+                               'uploader': showId,
+                               'upload_date': officialDate,
+                               'title': effTitle,
+                               'stitle': _simplify_title(effTitle),
+                               'ext': 'mp4',
+                               'format': format,
+                               'thumbnail': None,
+                               'description': officialTitle,
+                               'player_url': playerUrl
+                       }
+
+                       try:
+                               self._downloader.process_info(info)
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'\nERROR: unable to download ' + mediaId)
+                               continue
+
+
+class EscapistIE(InfoExtractor):
+       """Information extractor for The Escapist """
+
+       _VALID_URL = r'^(https?://)?(www\.)?escapistmagazine\.com/videos/view/(?P<showname>[^/]+)/(?P<episode>[^/?]+)[/?]?.*$'
+       IE_NAME = u'escapist'
+
+       def report_extraction(self, showName):
+               self._downloader.to_screen(u'[escapist] %s: Extracting information' % showName)
+
+       def report_config_download(self, showName):
+               self._downloader.to_screen(u'[escapist] %s: Downloading configuration' % showName)
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               showName = mobj.group('showname')
+               videoId = mobj.group('episode')
+
+               self.report_extraction(showName)
+               try:
+                       webPage = urllib2.urlopen(url).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download webpage: ' + unicode(err))
+                       return
+
+               descMatch = re.search('<meta name="description" content="([^"]*)"', webPage)
+               description = htmlParser.unescape(descMatch.group(1))
+               imgMatch = re.search('<meta property="og:image" content="([^"]*)"', webPage)
+               imgUrl = htmlParser.unescape(imgMatch.group(1))
+               playerUrlMatch = re.search('<meta property="og:video" content="([^"]*)"', webPage)
+               playerUrl = htmlParser.unescape(playerUrlMatch.group(1))
+               configUrlMatch = re.search('config=(.*)$', playerUrl)
+               configUrl = urllib2.unquote(configUrlMatch.group(1))
+
+               self.report_config_download(showName)
+               try:
+                       configJSON = urllib2.urlopen(configUrl).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download configuration: ' + unicode(err))
+                       return
+
+               # Technically, it's JavaScript, not JSON
+               configJSON = configJSON.replace("'", '"')
+
+               try:
+                       config = json.loads(configJSON)
+               except (ValueError,), err:
+                       self._downloader.trouble(u'ERROR: Invalid JSON in configuration file: ' + unicode(err))
+                       return
+
+               playlist = config['playlist']
+               videoUrl = playlist[1]['url']
+
+               self._downloader.increment_downloads()
+               info = {
+                       'id': videoId,
+                       'url': videoUrl,
+                       'uploader': showName,
+                       'upload_date': None,
+                       'title': showName,
+                       'stitle': _simplify_title(showName),
+                       'ext': 'flv',
+                       'format': 'flv',
+                       'thumbnail': imgUrl,
+                       'description': description,
+                       'player_url': playerUrl,
+               }
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download ' + videoId)
+
+
+class CollegeHumorIE(InfoExtractor):
+       """Information extractor for collegehumor.com"""
+
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?collegehumor\.com/video/(?P<videoid>[0-9]+)/(?P<shorttitle>.*)$'
+       IE_NAME = u'collegehumor'
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               video_id = mobj.group('videoid')
+
+               self.report_webpage(video_id)
+               request = urllib2.Request(url)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               m = re.search(r'id="video:(?P<internalvideoid>[0-9]+)"', webpage)
+               if m is None:
+                       self._downloader.trouble(u'ERROR: Cannot extract internal video ID')
+                       return
+               internal_video_id = m.group('internalvideoid')
+
+               info = {
+                       'id': video_id,
+                       'internal_id': internal_video_id,
+               }
+
+               self.report_extraction(video_id)
+               xmlUrl = 'http://www.collegehumor.com/moogaloop/video:' + internal_video_id
+               try:
+                       metaXml = urllib2.urlopen(xmlUrl).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video info XML: %s' % str(err))
+                       return
+
+               mdoc = xml.etree.ElementTree.fromstring(metaXml)
+               try:
+                       videoNode = mdoc.findall('./video')[0]
+                       info['description'] = videoNode.findall('./description')[0].text
+                       info['title'] = videoNode.findall('./caption')[0].text
+                       info['stitle'] = _simplify_title(info['title'])
+                       info['url'] = videoNode.findall('./file')[0].text
+                       info['thumbnail'] = videoNode.findall('./thumbnail')[0].text
+                       info['ext'] = info['url'].rpartition('.')[2]
+                       info['format'] = info['ext']
+               except IndexError:
+                       self._downloader.trouble(u'\nERROR: Invalid metadata XML file')
+                       return
+
+               self._downloader.increment_downloads()
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class XVideosIE(InfoExtractor):
+       """Information extractor for xvideos.com"""
+
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?xvideos\.com/video([0-9]+)(?:.*)'
+       IE_NAME = u'xvideos'
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               video_id = mobj.group(1).decode('utf-8')
+
+               self.report_webpage(video_id)
+
+               request = urllib2.Request(r'http://www.xvideos.com/video' + video_id)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction(video_id)
+
+
+               # Extract video URL
+               mobj = re.search(r'flv_url=(.+?)&', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video url')
+                       return
+               video_url = urllib2.unquote(mobj.group(1).decode('utf-8'))
+
+
+               # Extract title
+               mobj = re.search(r'<title>(.*?)\s+-\s+XVID', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+
+
+               # Extract video thumbnail
+               mobj = re.search(r'http://(?:img.*?\.)xvideos.com/videos/thumbs/[a-fA-F0-9]/[a-fA-F0-9]/[a-fA-F0-9]/([a-fA-F0-9.]+jpg)', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                       return
+               video_thumbnail = mobj.group(1).decode('utf-8')
+
+
+
+               self._downloader.increment_downloads()
+               info = {
+                       'id': video_id,
+                       'url': video_url,
+                       'uploader': None,
+                       'upload_date': None,
+                       'title': video_title,
+                       'stitle': _simplify_title(video_title),
+                       'ext': 'flv',
+                       'format': 'flv',
+                       'thumbnail': video_thumbnail,
+                       'description': None,
+                       'player_url': None,
+               }
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download ' + video_id)
+
+
+class SoundcloudIE(InfoExtractor):
+       """Information extractor for soundcloud.com
+          To access the media, the uid of the song and a stream token
+          must be extracted from the page source and the script must make
+          a request to media.soundcloud.com/crossdomain.xml. Then
+          the media can be grabbed by requesting from an url composed
+          of the stream token and uid
+        """
+
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)'
+       IE_NAME = u'soundcloud'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return

 
 

-       def _real_initialize(self):
-               self._youtube_ie.initialize()
-       
-       def _real_extract(self, query):
-               mobj = re.match(self._VALID_QUERY, query)
+               # extract uploader (which is in the url)
+               uploader = mobj.group(1).decode('utf-8')
+               # extract simple title (uploader + slug of song title)
+               slug_title =  mobj.group(2).decode('utf-8')
+               simple_title = uploader + '-' + slug_title
+
+               self.report_webpage('%s/%s' % (uploader, slug_title))
+
+               request = urllib2.Request('http://soundcloud.com/%s/%s' % (uploader, slug_title))
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction('%s/%s' % (uploader, slug_title))
+
+               # extract uid and stream token that soundcloud hands out for access
+               mobj = re.search('"uid":"([\w\d]+?)".*?stream_token=([\w\d]+)', webpage)
+               if mobj:
+                       video_id = mobj.group(1)
+                       stream_token = mobj.group(2)
+
+               # extract unsimplified title
+               mobj = re.search('"title":"(.*?)",', webpage)
+               if mobj:
+                       title = mobj.group(1)
+
+               # construct media url (with uid/token)
+               mediaURL = "http://media.soundcloud.com/stream/%s?stream_token=%s"
+               mediaURL = mediaURL % (video_id, stream_token)
+
+               # description
+               description = u'No description available'
+               mobj = re.search('track-description-value"><p>(.*?)</p>', webpage)
+               if mobj:
+                       description = mobj.group(1)
+               
+               # upload date
+               upload_date = None
+               mobj = re.search("pretty-date'>on ([\w]+ [\d]+, [\d]+ \d+:\d+)</abbr></h2>", webpage)
+               if mobj:
+                       try:
+                               upload_date = datetime.datetime.strptime(mobj.group(1), '%B %d, %Y %H:%M').strftime('%Y%m%d')
+                       except Exception, e:
+                               print str(e)
+
+               # for soundcloud, a request to a cross domain is required for cookies
+               request = urllib2.Request('http://media.soundcloud.com/crossdomain.xml', std_headers)
+
+               try:
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          mediaURL,
+                               'uploader':     uploader.decode('utf-8'),
+                               'upload_date':  upload_date,
+                               'title':        simple_title.decode('utf-8'),
+                               'stitle':       simple_title.decode('utf-8'),
+                               'ext':          u'mp3',
+                               'format':       u'NA',
+                               'player_url':   None,
+                               'description': description.decode('utf-8')
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class InfoQIE(InfoExtractor):
+       """Information extractor for infoq.com"""
+
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$'
+       IE_NAME = u'infoq'
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)

                if mobj is None:
                if mobj is None:

-                       self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)

                        return
 
                        return
 

-               prefix, query = query.split(':')
-               prefix = prefix[8:]
-               if prefix == '':
-                       self._download_n_results(query, 1)
+               self.report_webpage(url)
+
+               request = urllib2.Request(url)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))

                        return
                        return

-               elif prefix == 'all':
-                       self._download_n_results(query, self._max_youtube_results)
+
+               self.report_extraction(url)
+
+
+               # Extract video URL
+               mobj = re.search(r"jsclassref='([^']*)'", webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video url')

                        return
                        return

-               else:
-                       try:
-                               n = long(prefix)
-                               if n <= 0:
-                                       self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
-                                       return
-                               elif n > self._max_youtube_results:
-                                       self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)'  % (self._max_youtube_results, n))
-                                       n = self._max_youtube_results
-                               self._download_n_results(query, n)
-                               return
-                       except ValueError: # parsing prefix as integer fails
-                               self._download_n_results(query, 1)
-                               return
+               video_url = 'rtmpe://video.infoq.com/cfx/st/' + urllib2.unquote(mobj.group(1).decode('base64'))

 
 

-       def _download_n_results(self, query, n):
-               """Downloads a specified number of results for a query"""

 
 

-               video_ids = []
-               already_seen = set()
-               pagenum = 1
+               # Extract title
+               mobj = re.search(r'contentTitle = "(.*?)";', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')

 
 

-               while True:
-                       self.report_download_page(query, pagenum)
-                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
-                       request = urllib2.Request(result_url, None, std_headers)
+               # Extract description
+               video_description = u'No description available.'
+               mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', webpage)
+               if mobj is not None:
+                       video_description = mobj.group(1).decode('utf-8')
+
+               video_filename = video_url.split('/')[-1]
+               video_id, extension = video_filename.split('.')
+
+               self._downloader.increment_downloads()
+               info = {
+                       'id': video_id,
+                       'url': video_url,
+                       'uploader': None,
+                       'upload_date': None,
+                       'title': video_title,
+                       'stitle': _simplify_title(video_title),
+                       'ext': extension,
+                       'format': extension, # Extension is always(?) mp4, but seems to be flv
+                       'thumbnail': None,
+                       'description': video_description,
+                       'player_url': None,
+               }
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download ' + video_url)
+
+class MixcloudIE(InfoExtractor):
+       """Information extractor for www.mixcloud.com"""
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([\w\d-]+)/([\w\d-]+)'
+       IE_NAME = u'mixcloud'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_json(self, file_id):
+               """Report JSON download."""
+               self._downloader.to_screen(u'[%s] Downloading json' % self.IE_NAME)
+
+       def report_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
+
+       def get_urls(self, jsonData, fmt, bitrate='best'):
+               """Get urls from 'audio_formats' section in json"""
+               file_url = None
+               try:
+                       bitrate_list = jsonData[fmt]
+                       if bitrate is None or bitrate == 'best' or bitrate not in bitrate_list:
+                               bitrate = max(bitrate_list) # select highest
+
+                       url_list = jsonData[fmt][bitrate]
+               except TypeError: # we have no bitrate info.
+                       url_list = jsonData[fmt]
+                               
+               return url_list
+
+       def check_urls(self, url_list):
+               """Returns 1st active url from list"""
+               for url in url_list:

                        try:
                        try:

-                               page = urllib2.urlopen(request).read()
+                               urllib2.urlopen(url)
+                               return url

                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:

-                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
-                               return
+                               url = None

 
 

-                       # Extract video identifiers
-                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-                               video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
-                               if video_id not in already_seen:
-                                       video_ids.append(video_id)
-                                       already_seen.add(video_id)
-                                       if len(video_ids) == n:
-                                               # Specified n videos reached
-                                               for id in video_ids:
-                                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-                                               return
+               return None

 
 

-                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
-                               for id in video_ids:
-                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+       def _print_formats(self, formats):
+               print 'Available formats:'
+               for fmt in formats.keys():
+                       for b in formats[fmt]:
+                               try:
+                                       ext = formats[fmt][b][0]
+                                       print '%s\t%s\t[%s]' % (fmt, b, ext.split('.')[-1])
+                               except TypeError: # we have no bitrate info
+                                       ext = formats[fmt][0]
+                                       print '%s\t%s\t[%s]' % (fmt, '??', ext.split('.')[-1])
+                                       break
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               # extract uploader & filename from url
+               uploader = mobj.group(1).decode('utf-8')
+               file_id = uploader + "-" + mobj.group(2).decode('utf-8')
+
+               # construct API request
+               file_url = 'http://www.mixcloud.com/api/1/cloudcast/' + '/'.join(url.split('/')[-3:-1]) + '.json'
+               # retrieve .json file with links to files
+               request = urllib2.Request(file_url)
+               try:
+                       self.report_download_json(file_url)
+                       jsonData = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve file: %s' % str(err))
+                       return
+
+               # parse JSON
+               json_data = json.loads(jsonData)
+               player_url = json_data['player_swf_url']
+               formats = dict(json_data['audio_formats'])
+
+               req_format = self._downloader.params.get('format', None)
+               bitrate = None
+
+               if self._downloader.params.get('listformats', None):
+                       self._print_formats(formats)
+                       return
+
+               if req_format is None or req_format == 'best':
+                       for format_param in formats.keys():
+                               url_list = self.get_urls(formats, format_param)
+                               # check urls
+                               file_url = self.check_urls(url_list)
+                               if file_url is not None:
+                                       break # got it!
+               else:
+                       if req_format not in formats.keys():
+                               self._downloader.trouble(u'ERROR: format is not available')

                                return
 
                                return
 

-                       pagenum = pagenum + 1
+                       url_list = self.get_urls(formats, req_format)
+                       file_url = self.check_urls(url_list)
+                       format_param = req_format

 
 

-class YoutubePlaylistIE(InfoExtractor):
-       """Information Extractor for YouTube playlists."""
+               # We have audio
+               self._downloader.increment_downloads()
+               try:
+                       # Process file information
+                       self._downloader.process_info({
+                               'id':           file_id.decode('utf-8'),
+                               'url':          file_url.decode('utf-8'),
+                               'uploader':     uploader.decode('utf-8'),
+                               'upload_date':  u'NA',
+                               'title':        json_data['name'],
+                               'stitle':       _simplify_title(json_data['name']),
+                               'ext':          file_url.split('.')[-1].decode('utf-8'),
+                               'format':       (format_param is None and u'NA' or format_param.decode('utf-8')),
+                               'thumbnail':    json_data['thumbnail_url'],
+                               'description':  json_data['description'],
+                               'player_url':   player_url.decode('utf-8'),
+                       })
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'ERROR: unable to download file')

 
 

-       _VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/(?:view_play_list|my_playlists)\?.*?p=([^&]+).*'
-       _TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s&gl=US&hl=en'
-       _VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
-       _MORE_PAGES_INDICATOR = r'/view_play_list?p=%s&page=%s'
-       _youtube_ie = None
+class StanfordOpenClassroomIE(InfoExtractor):
+       """Information extractor for Stanford's Open ClassRoom"""

 
 

-       def __init__(self, youtube_ie, downloader=None):
-               InfoExtractor.__init__(self, downloader)
-               self._youtube_ie = youtube_ie
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(YoutubePlaylistIE._VALID_URL, url) is not None)
+       _VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
+       IE_NAME = u'stanfordoc'

 
 

-       def report_download_page(self, playlist_id, pagenum):
-               """Report attempt to download playlist page with given number."""
-               self._downloader.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
+       def report_download_webpage(self, objid):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, objid))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))

 
 

-       def _real_initialize(self):
-               self._youtube_ie.initialize()
-       

        def _real_extract(self, url):
        def _real_extract(self, url):

-               # Extract playlist id

                mobj = re.match(self._VALID_URL, url)
                if mobj is None:
                mobj = re.match(self._VALID_URL, url)
                if mobj is None:

-                       self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)

                        return
 
                        return
 

-               # Download playlist pages
-               playlist_id = mobj.group(1)
-               video_ids = []
-               pagenum = 1
+               if mobj.group('course') and mobj.group('video'): # A specific video
+                       course = mobj.group('course')
+                       video = mobj.group('video')
+                       info = {
+                               'id': _simplify_title(course + '_' + video),
+                       }
+       
+                       self.report_extraction(info['id'])
+                       baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
+                       xmlUrl = baseUrl + video + '.xml'
+                       try:
+                               metaXml = urllib2.urlopen(xmlUrl).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download video info XML: %s' % unicode(err))
+                               return
+                       mdoc = xml.etree.ElementTree.fromstring(metaXml)
+                       try:
+                               info['title'] = mdoc.findall('./title')[0].text
+                               info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
+                       except IndexError:
+                               self._downloader.trouble(u'\nERROR: Invalid metadata XML file')
+                               return
+                       info['stitle'] = _simplify_title(info['title'])
+                       info['ext'] = info['url'].rpartition('.')[2]
+                       info['format'] = info['ext']
+                       self._downloader.increment_downloads()
+                       try:
+                               self._downloader.process_info(info)
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'\nERROR: unable to download video')
+               elif mobj.group('course'): # A course page
+                       unescapeHTML = HTMLParser.HTMLParser().unescape
+
+                       course = mobj.group('course')
+                       info = {
+                               'id': _simplify_title(course),
+                               'type': 'playlist',
+                       }

 
 

-               while True:
-                       self.report_download_page(playlist_id, pagenum)
-                       request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum), None, std_headers)
+                       self.report_download_webpage(info['id'])

                        try:
                        try:

-                               page = urllib2.urlopen(request).read()
+                               coursepage = urllib2.urlopen(url).read()

                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:

-                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               self._downloader.trouble(u'ERROR: unable to download course info page: ' + unicode(err))

                                return
 
                                return
 

-                       # Extract video identifiers
-                       ids_in_page = []
-                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-                               if mobj.group(1) not in ids_in_page:
-                                       ids_in_page.append(mobj.group(1))
-                       video_ids.extend(ids_in_page)
+                       m = re.search('<h1>([^<]+)</h1>', coursepage)
+                       if m:
+                               info['title'] = unescapeHTML(m.group(1))
+                       else:
+                               info['title'] = info['id']
+                       info['stitle'] = _simplify_title(info['title'])
+
+                       m = re.search('<description>([^<]+)</description>', coursepage)
+                       if m:
+                               info['description'] = unescapeHTML(m.group(1))
+
+                       links = _orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
+                       info['list'] = [
+                               {
+                                       'type': 'reference',
+                                       'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(vpage),
+                               }
+                                       for vpage in links]

 
 

-                       if (self._MORE_PAGES_INDICATOR % (playlist_id.upper(), pagenum + 1)) not in page:
-                               break
-                       pagenum = pagenum + 1
+                       for entry in info['list']:
+                               assert entry['type'] == 'reference'
+                               self.extract(entry['url'])
+               else: # Root page
+                       unescapeHTML = HTMLParser.HTMLParser().unescape
+
+                       info = {
+                               'id': 'Stanford OpenClassroom',
+                               'type': 'playlist',
+                       }
+
+                       self.report_download_webpage(info['id'])
+                       rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
+                       try:
+                               rootpage = urllib2.urlopen(rootURL).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download course info page: ' + unicode(err))
+                               return
+
+                       info['title'] = info['id']
+                       info['stitle'] = _simplify_title(info['title'])
+
+                       links = _orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
+                       info['list'] = [
+                               {
+                                       'type': 'reference',
+                                       'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(cpage),
+                               }
+                                       for cpage in links]
+
+                       for entry in info['list']:
+                               assert entry['type'] == 'reference'
+                               self.extract(entry['url'])

 
 

-               for id in video_ids:
-                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-               return

 
 class PostProcessor(object):
        """Post Processor class.
 
 class PostProcessor(object):
        """Post Processor class.


@@ -1061,7 +3910,7 @@ class PostProcessor(object):
        def set_downloader(self, downloader):
                """Sets the downloader for this PP."""
                self._downloader = downloader
        def set_downloader(self, downloader):
                """Sets the downloader for this PP."""
                self._downloader = downloader

-       
+

        def run(self, information):
                """Run the PostProcessor.
 
        def run(self, information):
                """Run the PostProcessor.
 


@@ -1081,148 +3930,594 @@ class PostProcessor(object):
                it was called from.
                """
                return information # by default, do nothing
                it was called from.
                """
                return information # by default, do nothing

-       
-### MAIN PROGRAM ###
-if __name__ == '__main__':
-       try:
-               # Modules needed only when running the main program
-               import getpass
-               import optparse
-
-               # General configuration
-               urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
-               urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
-               socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
-
-               # Parse command line
-               parser = optparse.OptionParser(
-                       usage='Usage: %prog [options] url...',
-                       version='2009.09.13',
-                       conflict_handler='resolve',
-               )
-
-               parser.add_option('-h', '--help',
-                               action='help', help='print this help text and exit')
-               parser.add_option('-v', '--version',
-                               action='version', help='print program version and exit')
-               parser.add_option('-i', '--ignore-errors',
-                               action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
-               parser.add_option('-r', '--rate-limit',
-                               dest='ratelimit', metavar='L', help='download rate limit (e.g. 50k or 44.6m)')
-
-               authentication = optparse.OptionGroup(parser, 'Authentication Options')
-               authentication.add_option('-u', '--username',
-                               dest='username', metavar='UN', help='account username')
-               authentication.add_option('-p', '--password',
-                               dest='password', metavar='PW', help='account password')
-               authentication.add_option('-n', '--netrc',
-                               action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
-               parser.add_option_group(authentication)
-
-               video_format = optparse.OptionGroup(parser, 'Video Format Options')
-               video_format.add_option('-f', '--format',
-                               action='store', dest='format', metavar='FMT', help='video format code')
-               video_format.add_option('-b', '--best-quality',
-                               action='store_const', dest='format', help='download the best quality video possible', const='0')
-               video_format.add_option('-m', '--mobile-version',
-                               action='store_const', dest='format', help='alias for -f 17', const='17')
-               video_format.add_option('-d', '--high-def',
-                               action='store_const', dest='format', help='alias for -f 22', const='22')
-               parser.add_option_group(video_format)
-
-               verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
-               verbosity.add_option('-q', '--quiet',
-                               action='store_true', dest='quiet', help='activates quiet mode', default=False)
-               verbosity.add_option('-s', '--simulate',
-                               action='store_true', dest='simulate', help='do not download video', default=False)
-               verbosity.add_option('-g', '--get-url',
-                               action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
-               verbosity.add_option('-e', '--get-title',
-                               action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
-               parser.add_option_group(verbosity)
-
-               filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
-               filesystem.add_option('-t', '--title',
-                               action='store_true', dest='usetitle', help='use title in file name', default=False)
-               filesystem.add_option('-l', '--literal',
-                               action='store_true', dest='useliteral', help='use literal title in file name', default=False)
-               filesystem.add_option('-o', '--output',
-                               dest='outtmpl', metavar='TPL', help='output filename template')
-               filesystem.add_option('-a', '--batch-file',
-                               dest='batchfile', metavar='F', help='file containing URLs to download')
-               filesystem.add_option('-w', '--no-overwrites',
-                               action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
-               filesystem.add_option('-c', '--continue',
-                               action='store_true', dest='continue_dl', help='resume partially downloaded files', default=False)
-               parser.add_option_group(filesystem)
-
-               (opts, args) = parser.parse_args()
-
-               # Batch file verification
-               batchurls = []
-               if opts.batchfile is not None:
+
+class AudioConversionError(BaseException):
+       def __init__(self, message):
+               self.message = message
+
+class FFmpegExtractAudioPP(PostProcessor):
+
+       def __init__(self, downloader=None, preferredcodec=None, preferredquality=None, keepvideo=False):
+               PostProcessor.__init__(self, downloader)
+               if preferredcodec is None:
+                       preferredcodec = 'best'
+               self._preferredcodec = preferredcodec
+               self._preferredquality = preferredquality
+               self._keepvideo = keepvideo
+
+       @staticmethod
+       def get_audio_codec(path):
+               try:
+                       cmd = ['ffprobe', '-show_streams', '--', path]
+                       handle = subprocess.Popen(cmd, stderr=file(os.path.devnull, 'w'), stdout=subprocess.PIPE)
+                       output = handle.communicate()[0]
+                       if handle.wait() != 0:
+                               return None
+               except (IOError, OSError):
+                       return None
+               audio_codec = None
+               for line in output.split('\n'):
+                       if line.startswith('codec_name='):
+                               audio_codec = line.split('=')[1].strip()
+                       elif line.strip() == 'codec_type=audio' and audio_codec is not None:
+                               return audio_codec
+               return None
+
+       @staticmethod
+       def run_ffmpeg(path, out_path, codec, more_opts):
+               if codec is None:
+                       acodec_opts = []
+               else:
+                       acodec_opts = ['-acodec', codec]
+               cmd = ['ffmpeg', '-y', '-i', path, '-vn'] + acodec_opts + more_opts + ['--', out_path]
+               try:
+                       p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                       stdout,stderr = p.communicate()
+               except (IOError, OSError):
+                       e = sys.exc_info()[1]
+                       if isinstance(e, OSError) and e.errno == 2:
+                               raise AudioConversionError('ffmpeg not found. Please install ffmpeg.')
+                       else:
+                               raise e
+               if p.returncode != 0:
+                       msg = stderr.strip().split('\n')[-1]
+                       raise AudioConversionError(msg)
+
+       def run(self, information):
+               path = information['filepath']
+
+               filecodec = self.get_audio_codec(path)
+               if filecodec is None:
+                       self._downloader.to_stderr(u'WARNING: unable to obtain file audio codec with ffprobe')
+                       return None
+
+               more_opts = []
+               if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
+                       if self._preferredcodec == 'm4a' and filecodec == 'aac':
+                               # Lossless, but in another container
+                               acodec = 'copy'
+                               extension = self._preferredcodec
+                               more_opts = ['-absf', 'aac_adtstoasc']
+                       elif filecodec in ['aac', 'mp3', 'vorbis']:
+                               # Lossless if possible
+                               acodec = 'copy'
+                               extension = filecodec
+                               if filecodec == 'aac':
+                                       more_opts = ['-f', 'adts']
+                               if filecodec == 'vorbis':
+                                       extension = 'ogg'
+                       else:
+                               # MP3 otherwise.
+                               acodec = 'libmp3lame'
+                               extension = 'mp3'
+                               more_opts = []
+                               if self._preferredquality is not None:
+                                       more_opts += ['-ab', self._preferredquality]
+               else:
+                       # We convert the audio (lossy)
+                       acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
+                       extension = self._preferredcodec
+                       more_opts = []
+                       if self._preferredquality is not None:
+                               more_opts += ['-ab', self._preferredquality]
+                       if self._preferredcodec == 'aac':
+                               more_opts += ['-f', 'adts']
+                       if self._preferredcodec == 'm4a':
+                               more_opts += ['-absf', 'aac_adtstoasc']
+                       if self._preferredcodec == 'vorbis':
+                               extension = 'ogg'
+                       if self._preferredcodec == 'wav':
+                               extension = 'wav'
+                               more_opts += ['-f', 'wav']
+
+               (prefix, ext) = os.path.splitext(path)
+               new_path = prefix + '.' + extension
+               self._downloader.to_screen(u'[ffmpeg] Destination: %s' % new_path)
+               try:
+                       self.run_ffmpeg(path, new_path, acodec, more_opts)
+               except:
+                       etype,e,tb = sys.exc_info()
+                       if isinstance(e, AudioConversionError):
+                               self._downloader.to_stderr(u'ERROR: audio conversion failed: ' + e.message)
+                       else:
+                               self._downloader.to_stderr(u'ERROR: error running ffmpeg')
+                       return None
+
+               # Try to update the date time for extracted audio file.
+               if information.get('filetime') is not None:
+                       try:
+                               os.utime(new_path, (time.time(), information['filetime']))
+                       except:
+                               self._downloader.to_stderr(u'WARNING: Cannot update utime of audio file')
+
+               if not self._keepvideo:

                        try:
                        try:

-                               batchurls = open(opts.batchfile, 'r').readlines()
-                               batchurls = [x.strip() for x in batchurls]
-                               batchurls = [x for x in batchurls if len(x) > 0]
-                       except IOError:
-                               sys.exit(u'ERROR: batch file could not be read')
-               all_urls = batchurls + args
-
-               # Conflicting, missing and erroneous options
-               if len(all_urls) < 1:
+                               os.remove(path)
+                       except (IOError, OSError):
+                               self._downloader.to_stderr(u'WARNING: Unable to remove downloaded video file')
+                               return None
+
+               information['filepath'] = new_path
+               return information
+
+
+def updateSelf(downloader, filename):
+       ''' Update the program file with the latest version from the repository '''
+       # Note: downloader only used for options
+       if not os.access(filename, os.W_OK):
+               sys.exit('ERROR: no write permissions on %s' % filename)
+
+       downloader.to_screen('Updating to latest version...')
+
+       try:
+               try:
+                       urlh = urllib.urlopen(UPDATE_URL)
+                       newcontent = urlh.read()
+                       
+                       vmatch = re.search("__version__ = '([^']+)'", newcontent)
+                       if vmatch is not None and vmatch.group(1) == __version__:
+                               downloader.to_screen('youtube-dl is up-to-date (' + __version__ + ')')
+                               return
+               finally:
+                       urlh.close()
+       except (IOError, OSError), err:
+               sys.exit('ERROR: unable to download latest version')
+
+       try:
+               outf = open(filename, 'wb')
+               try:
+                       outf.write(newcontent)
+               finally:
+                       outf.close()
+       except (IOError, OSError), err:
+               sys.exit('ERROR: unable to overwrite current version')
+
+       downloader.to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.')
+
+def parseOpts():
+       # Deferred imports
+       import getpass
+       import optparse
+       import shlex
+
+       def _readOptions(filename):
+               try:
+                       optionf = open(filename)
+               except IOError:
+                       return [] # silently skip if file is not present
+               try:
+                       res = []
+                       for l in optionf:
+                               res += shlex.split(l, comments=True)
+               finally:
+                       optionf.close()
+               return res
+
+       def _format_option_string(option):
+               ''' ('-o', '--option') -> -o, --format METAVAR'''
+
+               opts = []
+
+               if option._short_opts: opts.append(option._short_opts[0])
+               if option._long_opts: opts.append(option._long_opts[0])
+               if len(opts) > 1: opts.insert(1, ', ')
+
+               if option.takes_value(): opts.append(' %s' % option.metavar)
+
+               return "".join(opts)
+
+       def _find_term_columns():
+               columns = os.environ.get('COLUMNS', None)
+               if columns:
+                       return int(columns)
+
+               try:
+                       sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                       out,err = sp.communicate()
+                       return int(out.split()[1])
+               except:
+                       pass
+               return None
+
+       max_width = 80
+       max_help_position = 80
+
+       # No need to wrap help messages if we're on a wide console
+       columns = _find_term_columns()
+       if columns: max_width = columns
+
+       fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
+       fmt.format_option_strings = _format_option_string
+
+       kw = {
+               'version'   : __version__,
+               'formatter' : fmt,
+               'usage' : '%prog [options] url [url...]',
+               'conflict_handler' : 'resolve',
+       }
+
+       parser = optparse.OptionParser(**kw)
+
+       # option groups
+       general        = optparse.OptionGroup(parser, 'General Options')
+       selection      = optparse.OptionGroup(parser, 'Video Selection')
+       authentication = optparse.OptionGroup(parser, 'Authentication Options')
+       video_format   = optparse.OptionGroup(parser, 'Video Format Options')
+       postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
+       filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
+       verbosity      = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
+
+       general.add_option('-h', '--help',
+                       action='help', help='print this help text and exit')
+       general.add_option('-v', '--version',
+                       action='version', help='print program version and exit')
+       general.add_option('-U', '--update',
+                       action='store_true', dest='update_self', help='update this program to latest version')
+       general.add_option('-i', '--ignore-errors',
+                       action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
+       general.add_option('-r', '--rate-limit',
+                       dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
+       general.add_option('-R', '--retries',
+                       dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
+       general.add_option('--dump-user-agent',
+                       action='store_true', dest='dump_user_agent',
+                       help='display the current browser identification', default=False)
+       general.add_option('--list-extractors',
+                       action='store_true', dest='list_extractors',
+                       help='List all supported extractors and the URLs they would handle', default=False)
+
+       selection.add_option('--playlist-start',
+                       dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
+       selection.add_option('--playlist-end',
+                       dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
+       selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
+       selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
+       selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
+
+       authentication.add_option('-u', '--username',
+                       dest='username', metavar='USERNAME', help='account username')
+       authentication.add_option('-p', '--password',
+                       dest='password', metavar='PASSWORD', help='account password')
+       authentication.add_option('-n', '--netrc',
+                       action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
+
+
+       video_format.add_option('-f', '--format',
+                       action='store', dest='format', metavar='FORMAT', help='video format code')
+       video_format.add_option('--all-formats',
+                       action='store_const', dest='format', help='download all available video formats', const='all')
+       video_format.add_option('--prefer-free-formats',
+                       action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
+       video_format.add_option('--max-quality',
+                       action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
+       video_format.add_option('-F', '--list-formats',
+                       action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
+
+
+       verbosity.add_option('-q', '--quiet',
+                       action='store_true', dest='quiet', help='activates quiet mode', default=False)
+       verbosity.add_option('-s', '--simulate',
+                       action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
+       verbosity.add_option('--skip-download',
+                       action='store_true', dest='skip_download', help='do not download the video', default=False)
+       verbosity.add_option('-g', '--get-url',
+                       action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
+       verbosity.add_option('-e', '--get-title',
+                       action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
+       verbosity.add_option('--get-thumbnail',
+                       action='store_true', dest='getthumbnail',
+                       help='simulate, quiet but print thumbnail URL', default=False)
+       verbosity.add_option('--get-description',
+                       action='store_true', dest='getdescription',
+                       help='simulate, quiet but print video description', default=False)
+       verbosity.add_option('--get-filename',
+                       action='store_true', dest='getfilename',
+                       help='simulate, quiet but print output filename', default=False)
+       verbosity.add_option('--get-format',
+                       action='store_true', dest='getformat',
+                       help='simulate, quiet but print output format', default=False)
+       verbosity.add_option('--no-progress',
+                       action='store_true', dest='noprogress', help='do not print progress bar', default=False)
+       verbosity.add_option('--console-title',
+                       action='store_true', dest='consoletitle',
+                       help='display progress in console titlebar', default=False)
+
+
+       filesystem.add_option('-t', '--title',
+                       action='store_true', dest='usetitle', help='use title in file name', default=False)
+       filesystem.add_option('-l', '--literal',
+                       action='store_true', dest='useliteral', help='use literal title in file name', default=False)
+       filesystem.add_option('-A', '--auto-number',
+                       action='store_true', dest='autonumber',
+                       help='number downloaded files starting from 00000', default=False)
+       filesystem.add_option('-o', '--output',
+                       dest='outtmpl', metavar='TEMPLATE', help='output filename template. Use %(stitle)s to get the title, %(uploader)s for the uploader name, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, %(upload_date)s for the upload date (YYYYMMDD), and %% for a literal percent. Use - to output to stdout.')
+       filesystem.add_option('-a', '--batch-file',
+                       dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
+       filesystem.add_option('-w', '--no-overwrites',
+                       action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
+       filesystem.add_option('-c', '--continue',
+                       action='store_true', dest='continue_dl', help='resume partially downloaded files', default=False)
+       filesystem.add_option('--no-continue',
+                       action='store_false', dest='continue_dl',
+                       help='do not resume partially downloaded files (restart from beginning)')
+       filesystem.add_option('--cookies',
+                       dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
+       filesystem.add_option('--no-part',
+                       action='store_true', dest='nopart', help='do not use .part files', default=False)
+       filesystem.add_option('--no-mtime',
+                       action='store_false', dest='updatetime',
+                       help='do not use the Last-modified header to set the file modification time', default=True)
+       filesystem.add_option('--write-description',
+                       action='store_true', dest='writedescription',
+                       help='write video description to a .description file', default=False)
+       filesystem.add_option('--write-info-json',
+                       action='store_true', dest='writeinfojson',
+                       help='write video metadata to a .info.json file', default=False)
+
+
+       postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
+                       help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
+       postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
+                       help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
+       postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
+                       help='ffmpeg audio bitrate specification, 128k by default')
+       postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
+                       help='keeps the video file on disk after the post-processing; the video is erased by default')
+
+
+       parser.add_option_group(general)
+       parser.add_option_group(selection)
+       parser.add_option_group(filesystem)
+       parser.add_option_group(verbosity)
+       parser.add_option_group(video_format)
+       parser.add_option_group(authentication)
+       parser.add_option_group(postproc)
+
+       xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
+       if xdg_config_home:
+               userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
+       else:
+               userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
+       argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
+       opts, args = parser.parse_args(argv)
+
+       return parser, opts, args
+
+def gen_extractors():
+       """ Return a list of an instance of every supported extractor.
+       The order does matter; the first extractor matched is the one handling the URL.
+       """
+       youtube_ie = YoutubeIE()
+       google_ie = GoogleIE()
+       yahoo_ie = YahooIE()
+       return [
+               YoutubePlaylistIE(youtube_ie),
+               YoutubeUserIE(youtube_ie),
+               YoutubeSearchIE(youtube_ie),
+               youtube_ie,
+               MetacafeIE(youtube_ie),
+               DailymotionIE(),
+               google_ie,
+               GoogleSearchIE(google_ie),
+               PhotobucketIE(),
+               yahoo_ie,
+               YahooSearchIE(yahoo_ie),
+               DepositFilesIE(),
+               FacebookIE(),
+               BlipTVIE(),
+               VimeoIE(),
+               MyVideoIE(),
+               ComedyCentralIE(),
+               EscapistIE(),
+               CollegeHumorIE(),
+               XVideosIE(),
+               SoundcloudIE(),
+               InfoQIE(),
+               MixcloudIE(),
+               StanfordOpenClassroomIE(),
+
+               GenericIE()
+       ]
+
+def _real_main():
+       parser, opts, args = parseOpts()
+
+       # Open appropriate CookieJar
+       if opts.cookiefile is None:
+               jar = cookielib.CookieJar()
+       else:
+               try:
+                       jar = cookielib.MozillaCookieJar(opts.cookiefile)
+                       if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
+                               jar.load()
+               except (IOError, OSError), err:
+                       sys.exit(u'ERROR: unable to open cookie file')
+
+       # Dump user agent
+       if opts.dump_user_agent:
+               print std_headers['User-Agent']
+               sys.exit(0)
+
+       # Batch file verification
+       batchurls = []
+       if opts.batchfile is not None:
+               try:
+                       if opts.batchfile == '-':
+                               batchfd = sys.stdin
+                       else:
+                               batchfd = open(opts.batchfile, 'r')
+                       batchurls = batchfd.readlines()
+                       batchurls = [x.strip() for x in batchurls]
+                       batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
+               except IOError:
+                       sys.exit(u'ERROR: batch file could not be read')
+       all_urls = batchurls + args
+
+       # General configuration
+       cookie_processor = urllib2.HTTPCookieProcessor(jar)
+       opener = urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler())
+       urllib2.install_opener(opener)
+       socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
+
+       extractors = gen_extractors()
+
+       if opts.list_extractors:
+               for ie in extractors:
+                       print(ie.IE_NAME)
+                       matchedUrls = filter(lambda url: ie.suitable(url), all_urls)
+                       all_urls = filter(lambda url: url not in matchedUrls, all_urls)
+                       for mu in matchedUrls:
+                               print(u'  ' + mu)
+               sys.exit(0)
+
+       # Conflicting, missing and erroneous options
+       if opts.usenetrc and (opts.username is not None or opts.password is not None):
+               parser.error(u'using .netrc conflicts with giving username/password')
+       if opts.password is not None and opts.username is None:
+               parser.error(u'account username missing')
+       if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
+               parser.error(u'using output template conflicts with using title, literal title or auto number')
+       if opts.usetitle and opts.useliteral:
+               parser.error(u'using title conflicts with using literal title')
+       if opts.username is not None and opts.password is None:
+               opts.password = getpass.getpass(u'Type account password and press return:')
+       if opts.ratelimit is not None:
+               numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
+               if numeric_limit is None:
+                       parser.error(u'invalid rate limit specified')
+               opts.ratelimit = numeric_limit
+       if opts.retries is not None:
+               try:
+                       opts.retries = long(opts.retries)
+               except (TypeError, ValueError), err:
+                       parser.error(u'invalid retry count specified')
+       try:
+               opts.playliststart = int(opts.playliststart)
+               if opts.playliststart <= 0:
+                       raise ValueError(u'Playlist start must be positive')
+       except (TypeError, ValueError), err:
+               parser.error(u'invalid playlist start number specified')
+       try:
+               opts.playlistend = int(opts.playlistend)
+               if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
+                       raise ValueError(u'Playlist end must be greater than playlist start')
+       except (TypeError, ValueError), err:
+               parser.error(u'invalid playlist end number specified')
+       if opts.extractaudio:
+               if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
+                       parser.error(u'invalid audio format specified')
+
+       # File downloader
+       fd = FileDownloader({
+               'usenetrc': opts.usenetrc,
+               'username': opts.username,
+               'password': opts.password,
+               'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
+               'forceurl': opts.geturl,
+               'forcetitle': opts.gettitle,
+               'forcethumbnail': opts.getthumbnail,
+               'forcedescription': opts.getdescription,
+               'forcefilename': opts.getfilename,
+               'forceformat': opts.getformat,
+               'simulate': opts.simulate,
+               'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
+               'format': opts.format,
+               'format_limit': opts.format_limit,
+               'listformats': opts.listformats,
+               'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
+                       or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
+                       or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
+                       or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
+                       or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
+                       or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
+                       or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
+                       or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
+                       or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
+                       or u'%(id)s.%(ext)s'),
+               'ignoreerrors': opts.ignoreerrors,
+               'ratelimit': opts.ratelimit,
+               'nooverwrites': opts.nooverwrites,
+               'retries': opts.retries,
+               'continuedl': opts.continue_dl,
+               'noprogress': opts.noprogress,
+               'playliststart': opts.playliststart,
+               'playlistend': opts.playlistend,
+               'logtostderr': opts.outtmpl == '-',
+               'consoletitle': opts.consoletitle,
+               'nopart': opts.nopart,
+               'updatetime': opts.updatetime,
+               'writedescription': opts.writedescription,
+               'writeinfojson': opts.writeinfojson,
+               'matchtitle': opts.matchtitle,
+               'rejecttitle': opts.rejecttitle,
+               'max_downloads': opts.max_downloads,
+               'prefer_free_formats': opts.prefer_free_formats,
+               })
+       for extractor in extractors:
+               fd.add_info_extractor(extractor)
+
+       # PostProcessors
+       if opts.extractaudio:
+               fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo))
+
+       # Update version
+       if opts.update_self:
+               updateSelf(fd, sys.argv[0])
+
+       # Maybe do nothing
+       if len(all_urls) < 1:
+               if not opts.update_self:

                        parser.error(u'you must provide at least one URL')
                        parser.error(u'you must provide at least one URL')

-               if opts.usenetrc and (opts.username is not None or opts.password is not None):
-                       parser.error(u'using .netrc conflicts with giving username/password')
-               if opts.password is not None and opts.username is None:
-                       parser.error(u'account username missing')
-               if opts.outtmpl is not None and (opts.useliteral or opts.usetitle):
-                       parser.error(u'using output template conflicts with using title or literal title')
-               if opts.usetitle and opts.useliteral:
-                       parser.error(u'using title conflicts with using literal title')
-               if opts.username is not None and opts.password is None:
-                       opts.password = getpass.getpass(u'Type account password and press return:')
-               if opts.ratelimit is not None:
-                       numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
-                       if numeric_limit is None:
-                               parser.error(u'invalid rate limit specified')
-                       opts.ratelimit = numeric_limit
-
-               # Information extractors
-               youtube_ie = YoutubeIE()
-               metacafe_ie = MetacafeIE(youtube_ie)
-               youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
-               youtube_search_ie = YoutubeSearchIE(youtube_ie)
-
-               # File downloader
-               fd = FileDownloader({
-                       'usenetrc': opts.usenetrc,
-                       'username': opts.username,
-                       'password': opts.password,
-                       'quiet': (opts.quiet or opts.geturl or opts.gettitle),
-                       'forceurl': opts.geturl,
-                       'forcetitle': opts.gettitle,
-                       'simulate': (opts.simulate or opts.geturl or opts.gettitle),
-                       'format': opts.format,
-                       'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
-                               or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
-                               or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
-                               or u'%(id)s.%(ext)s'),
-                       'ignoreerrors': opts.ignoreerrors,
-                       'ratelimit': opts.ratelimit,
-                       'nooverwrites': opts.nooverwrites,
-                       'continuedl': opts.continue_dl,
-                       })
-               fd.add_info_extractor(youtube_search_ie)
-               fd.add_info_extractor(youtube_pl_ie)
-               fd.add_info_extractor(metacafe_ie)
-               fd.add_info_extractor(youtube_ie)
+               else:
+                       sys.exit()
+       
+       try:

                retcode = fd.download(all_urls)
                retcode = fd.download(all_urls)

-               sys.exit(retcode)
+       except MaxDownloadsReached:
+               fd.to_screen(u'--max-download limit reached, aborting.')
+               retcode = 101
+
+       # Dump cookie jar if requested
+       if opts.cookiefile is not None:
+               try:
+                       jar.save()
+               except (IOError, OSError), err:
+                       sys.exit(u'ERROR: unable to save cookie jar')
+
+       sys.exit(retcode)

 
 

+def main():
+       try:
+               _real_main()

        except DownloadError:
                sys.exit(1)
        except SameFileError:
                sys.exit(u'ERROR: fixed output name but more than one file to download')
        except KeyboardInterrupt:
                sys.exit(u'\nERROR: Interrupted by user')
        except DownloadError:
                sys.exit(1)
        except SameFileError:
                sys.exit(u'ERROR: fixed output name but more than one file to download')
        except KeyboardInterrupt:
                sys.exit(u'\nERROR: Interrupted by user')

+
+if __name__ == '__main__':
+       main()
+
+# vim: set ts=4 sw=4 sts=4 noet ai si filetype=python: