]> Raphaël G. Git Repositories - youtubedl/blobdiff - youtube-dl
debian/control: Update list of sites in the long description.
[youtubedl] / youtube-dl
index a8e3bd36cd32d6c50bbc4cc686c32496590d2fa9..6cb58f1a8c886c38b71135c81ea17881218ca27f 100755 (executable)
@@ -1,13 +1,29 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-# Author: Ricardo Garcia Gonzalez
-# Author: Danny Colligan
-# Author: Benjamin Johnson
-# Author: Vasyl' Vavrychuk
-# License: Public domain code
+
+__author__  = (
+       'Ricardo Garcia Gonzalez',
+       'Danny Colligan',
+       'Benjamin Johnson',
+       'Vasyl\' Vavrychuk',
+       'Witold Baryluk',
+       'Paweł Paprota',
+       'Gergely Imreh',
+       'Rogério Brito',
+       'Philipp Hagemeister',
+       'Sören Schulze',
+       )
+
+__license__ = 'Public Domain'
+__version__ = '2011.09.27'
+
+UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
+
 import cookielib
 import datetime
+import gzip
 import htmlentitydefs
+import HTMLParser
 import httplib
 import locale
 import math
@@ -22,6 +38,20 @@ 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:
@@ -29,15 +59,139 @@ try:
 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 = {
-       'User-Agent': 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101028 Firefox/3.6.12',
+       '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': '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',
 }
 
 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.
 
@@ -54,9 +208,10 @@ def preferredencoding():
                        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.
        """
@@ -80,11 +235,13 @@ def htmlentity_transform(matchobj):
        # 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.
 
@@ -111,15 +268,26 @@ def sanitize_open(filename, open_mode):
                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
+
+
 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
 
+
 class SameFileError(Exception):
        """Same File exception.
 
@@ -128,6 +296,7 @@ class SameFileError(Exception):
        """
        pass
 
+
 class PostProcessingError(Exception):
        """Post Processing exception.
 
@@ -136,6 +305,7 @@ class PostProcessingError(Exception):
        """
        pass
 
+
 class UnavailableVideoError(Exception):
        """Unavailable Format exception.
 
@@ -144,6 +314,7 @@ class UnavailableVideoError(Exception):
        """
        pass
 
+
 class ContentTooShortError(Exception):
        """Content Too Short exception.
 
@@ -159,6 +330,66 @@ class ContentTooShortError(Exception):
                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.
 
@@ -194,6 +425,7 @@ class FileDownloader(object):
        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.
@@ -206,7 +438,14 @@ class FileDownloader(object):
        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
@@ -224,24 +463,7 @@ class FileDownloader(object):
                self._num_downloads = 0
                self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
                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 temp_name(filename):
-               """Returns a temporary filename for the given filename."""
-               if filename == u'-' or (os.path.exists(filename) and not os.path.isfile(filename)):
-                       return filename
-               return filename + u'.part'
-       
+
        @staticmethod
        def format_bytes(bytes):
                if bytes is None:
@@ -253,7 +475,7 @@ class FileDownloader(object):
                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
@@ -310,12 +532,12 @@ class FileDownloader(object):
                """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 to_screen(self, message, skip_eol=False, ignore_encoding_errors=False):
                """Print message to stdout if not in quiet mode."""
                try:
@@ -326,11 +548,22 @@ class FileDownloader(object):
                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_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)
@@ -360,7 +593,19 @@ class FileDownloader(object):
                speed = float(byte_counter) / elapsed
                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:
@@ -369,98 +614,184 @@ class FileDownloader(object):
                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."""
                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."""
                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)
+               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):
                """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."""
                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."""
                self.to_screen(u'[download] Unable to resume')
-       
+
        def report_finish(self):
                """Report download finished."""
                if self.params.get('noprogress', False):
                        self.to_screen(u'[download] Download completed')
                else:
                        self.to_screen(u'')
-       
+
        def increment_downloads(self):
                """Increment the ordinal that assigns a number to each file."""
                self._num_downloads += 1
 
-       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):
-                       # 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')
-
-                       return
-                       
+       def prepare_filename(self, info_dict):
+               """Generate the output filename."""
                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
+                       return filename
                except (ValueError, KeyError), err:
                        self.trouble(u'ERROR: invalid system charset or erroneous output template')
+                       return None
+
+       def process_info(self, info_dict):
+               """Process a single dictionary returned by an InfoExtractor."""
+               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
+
+               matchtitle=self.params.get('matchtitle',False)
+               rejecttitle=self.params.get('rejecttitle',False)
+               title=info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace')
+               if matchtitle and not re.search(matchtitle, title, re.IGNORECASE):
+                       self.to_screen(u'[download] "%s" title did not match pattern "%s"' % (title, matchtitle))
+                       return
+               if rejecttitle and re.search(rejecttitle, title, re.IGNORECASE):
+                       self.to_screen(u'[download] "%s" title matched reject pattern "%s"' % (title, rejecttitle))
+                       return
+                       
                if self.params.get('nooverwrites', False) and os.path.exists(filename):
                        self.to_stderr(u'WARNING: file exists and will be skipped')
                        return
 
                try:
-                       self.pmkdir(filename)
+                       dn = os.path.dirname(filename)
+                       if dn != '' and not os.path.exists(dn):
+                               os.makedirs(dn)
                except (OSError, IOError), err:
-                       self.trouble(u'ERROR: unable to create directories: %s' % str(err))
+                       self.trouble(u'ERROR: unable to create directory ' + unicode(err))
                        return
 
-               try:
-                       success = self._do_download(filename, info_dict['url'].encode('utf-8'), info_dict.get('player_url', None))
-               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 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 success:
+               if self.params.get('writeinfojson', False):
+                       infofn = filename + '.info.json'
+                       self.report_writeinfojson(infofn)
                        try:
-                               self.post_process(filename, info_dict)
-                       except (PostProcessingError), err:
-                               self.trouble(u'ERROR: postprocessing: %s' % str(err))
+                               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:
+                               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
+
+               if not self.params.get('skip_download', False):
+                       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."""
@@ -496,7 +827,7 @@ class FileDownloader(object):
                        info = pp.run(info)
                        if info is None:
                                break
-       
+
        def _download_with_rtmpdump(self, filename, url, player_url):
                self.report_destination(filename)
                tmpfilename = self.temp_name(filename)
@@ -521,6 +852,11 @@ class FileDownloader(object):
                        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)
@@ -529,9 +865,12 @@ class FileDownloader(object):
                        self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval)
                        return False
 
-       def _do_download(self, filename, url, player_url):
+       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):
+               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
 
@@ -541,9 +880,11 @@ class FileDownloader(object):
 
                tmpfilename = self.temp_name(filename)
                stream = None
-               open_mode = 'wb'
-               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)
 
                # Establish possible resume length
                if os.path.isfile(tmpfilename):
@@ -551,17 +892,22 @@ class FileDownloader(object):
                else:
                        resume_len = 0
 
-               # Request parameters in case of being able to resume
-               if self.params.get('continuedl', False) and resume_len != 0:
-                       self.report_resuming_byte(resume_len)
-                       request.add_header('Range','bytes=%d-' % resume_len)
-                       open_mode = 'ab'
+               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:
+                               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:
@@ -580,7 +926,7 @@ class FileDownloader(object):
                                        else:
                                                # Examine the reported length
                                                if (content_length is not None and
-                                                   (resume_len - 100 < long(content_length) < resume_len + 100)):
+                                                               (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,
@@ -606,8 +952,10 @@ class FileDownloader(object):
                        return False
 
                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)
-               byte_counter = 0
+               byte_counter = 0 + resume_len
                block_size = 1024
                start = time.time()
                while True:
@@ -615,15 +963,16 @@ class FileDownloader(object):
                        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
-                       byte_counter += data_block_len
+                       byte_counter += len(data_block)
 
                        # Open file just in time
                        if stream is None:
                                try:
                                        (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.trouble(u'ERROR: unable to open for writing: %s' % str(err))
@@ -633,24 +982,36 @@ class FileDownloader(object):
                        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, data_block_len)
+                       block_size = self.best_block_size(after - before, len(data_block))
 
                        # 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
-                       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()
-               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))
                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
 
+
 class InfoExtractor(object):
        """Information Extractor class.
 
@@ -681,9 +1042,8 @@ class InfoExtractor(object):
        description:    One-line video description.
 
        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
@@ -694,10 +1054,9 @@ class InfoExtractor(object):
                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."""
-               return False
+               return re.match(self._VALID_URL, url) is not None
 
        def initialize(self):
                """Initializes an instance (authentication, etc)."""
@@ -713,7 +1072,7 @@ class InfoExtractor(object):
        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
@@ -722,16 +1081,17 @@ class InfoExtractor(object):
                """Real extraction process. Redefine in subclasses."""
                pass
 
+
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
-       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/(?:(?:v/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))))?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?!view_play_list|my_playlists|artist|playlist)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$'
        _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'
        # Listed in order of quality
-       _available_formats = ['38', '37', '22', '45', '35', '34', '43', '18', '6', '5', '17', '13']
+       _available_formats = ['38', '37', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
        _video_extensions = {
                '13': '3gp',
                '17': 'mp4',
@@ -740,12 +1100,10 @@ class YoutubeIE(InfoExtractor):
                '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)
+       IE_NAME = u'youtube'
 
        def report_lang(self):
                """Report attempt to set language."""
@@ -754,31 +1112,31 @@ class YoutubeIE(InfoExtractor):
        def report_login(self):
                """Report attempt to log in."""
                self._downloader.to_screen(u'[youtube] Logging in')
-       
+
        def report_age_confirmation(self):
                """Report attempt to confirm 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."""
                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."""
                self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
-       
+
        def report_unavailable_format(self, video_id, format):
                """Report extracted video URL."""
                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 _real_initialize(self):
                if self._downloader is None:
                        return
@@ -804,7 +1162,7 @@ class YoutubeIE(InfoExtractor):
                                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()
@@ -824,7 +1182,7 @@ class YoutubeIE(InfoExtractor):
                                '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()
@@ -834,13 +1192,13 @@ 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
-       
+
                # 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()
@@ -858,7 +1216,7 @@ class YoutubeIE(InfoExtractor):
 
                # Get video webpage
                self.report_video_webpage_download(video_id)
-               request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&amp;has_verified=1' % video_id, None, std_headers)
+               request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&amp;has_verified=1' % video_id)
                try:
                        video_webpage = urllib2.urlopen(request).read()
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -876,8 +1234,8 @@ class YoutubeIE(InfoExtractor):
                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, None, std_headers)
+                                       % (video_id, el_type))
+                       request = urllib2.Request(video_info_url)
                        try:
                                video_info_webpage = urllib2.urlopen(request).read()
                                video_info = parse_qs(video_info_webpage)
@@ -923,10 +1281,10 @@ class YoutubeIE(InfoExtractor):
 
                # upload date
                upload_date = u'NA'
-               mobj = re.search(r'id="eow-date".*?>(.*?)</span>', video_webpage, re.DOTALL)
+               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']
+                       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')
@@ -934,21 +1292,35 @@ class YoutubeIE(InfoExtractor):
                                        pass
 
                # description
-               video_description = 'No description available.'
-               if self._downloader.params.get('forcedescription', False):
-                       mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
-                       if mobj is not None:
-                               video_description = mobj.group(1)
+               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)
-               get_video_template = 'http://www.youtube.com/get_video?video_id=%s&t=%s&eurl=&el=&ps=&asv=&fmt=%%s' % (video_id, video_token)
 
-               if 'fmt_url_map' in video_info:
-                       url_map = dict(tuple(pair.split('|')) for pair in video_info['fmt_url_map'][0].split(','))
+               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)
                        if format_limit is not None and format_limit in self._available_formats:
                                format_list = self._available_formats[self._available_formats.index(format_limit):]
@@ -958,22 +1330,26 @@ class YoutubeIE(InfoExtractor):
                        if len(existing_formats) == 0:
                                self._downloader.trouble(u'ERROR: no known formats available for video')
                                return
-                       if req_format is None:
+                       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 == '-1':
+                       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:
-                               if req_format in url_map:
-                                       video_url_list = [(req_format, url_map[req_format])] # Specific format
-                               else:
-                                       video_url_list = [(req_format, get_video_template % req_format)] # Specific format
-
-               elif 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
-                       self.report_rtmp_download()
-                       video_url_list = [(None, video_info['conn'][0])]
-
+                               # 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 fmt_url_map or conn information found in video info')
+                       self._downloader.trouble(u'ERROR: no conn or url_encoded_fmt_stream_map information found in video info')
                        return
 
                for format_param, video_real_url in video_url_list:
@@ -983,7 +1359,6 @@ class YoutubeIE(InfoExtractor):
                        # Extension
                        video_extension = self._video_extensions.get(format_param, 'flv')
 
-                       # Find the video URL in fmt_url_map or conn paramters
                        try:
                                # Process video information
                                self._downloader.process_info({
@@ -996,11 +1371,11 @@ class YoutubeIE(InfoExtractor):
                                        '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'),
+                                       'description':  video_description,
                                        'player_url':   player_url,
                                })
                        except UnavailableVideoError, err:
-                               self._downloader.trouble(u'ERROR: unable to download video (format may not be available)')
+                               self._downloader.trouble(u'\nERROR: unable to download video')
 
 
 class MetacafeIE(InfoExtractor):
@@ -1010,15 +1385,12 @@ 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
+       IE_NAME = u'metacafe'
 
        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."""
                self._downloader.to_screen(u'[metacafe] Retrieving disclaimer')
@@ -1026,18 +1398,18 @@ class MetacafeIE(InfoExtractor):
        def report_age_confirmation(self):
                """Report attempt to confirm age."""
                self._downloader.to_screen(u'[metacafe] Confirming age')
-       
+
        def report_download_webpage(self, video_id):
                """Report webpage download."""
                self._downloader.to_screen(u'[metacafe] %s: Downloading webpage' % video_id)
-       
+
        def report_extraction(self, video_id):
                """Report information extraction."""
                self._downloader.to_screen(u'[metacafe] %s: Extracting information' % video_id)
 
        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()
@@ -1050,14 +1422,14 @@ class MetacafeIE(InfoExtractor):
                        '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
-       
+
        def _real_extract(self, url):
                # Extract id and simplified title from URL
                mobj = re.match(self._VALID_URL, url)
@@ -1093,7 +1465,7 @@ class MetacafeIE(InfoExtractor):
                if mobj is not None:
                        mediaURL = urllib.unquote(mobj.group(1))
                        video_extension = mediaURL[-3:]
-                       
+
                        # Extract gdaKey if available
                        mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
                        if mobj is None:
@@ -1145,25 +1517,22 @@ class MetacafeIE(InfoExtractor):
                                'player_url':   None,
                        })
                except UnavailableVideoError:
-                       self._downloader.trouble(u'ERROR: unable to download video')
+                       self._downloader.trouble(u'\nERROR: unable to download video')
 
 
 class DailymotionIE(InfoExtractor):
        """Information Extractor for Dailymotion"""
 
        _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)
 
-       @staticmethod
-       def suitable(url):
-               return (re.match(DailymotionIE._VALID_URL, url) is not None)
-
        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)
@@ -1187,6 +1556,7 @@ class DailymotionIE(InfoExtractor):
 
                # 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()
@@ -1196,25 +1566,29 @@ class DailymotionIE(InfoExtractor):
 
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
-               mobj = re.search(r'(?i)addVariable\(\"video\"\s*,\s*\"([^\"]*)\"\)', webpage)
+               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
-               mediaURL = urllib.unquote(mobj.group(1))
+               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
 
-               # '<meta\s+name="title"\s+content="Dailymotion\s*[:\-]\s*(.*?)"\s*\/\s*>'
-               mobj = re.search(r'(?im)<title>Dailymotion\s*[\-:]\s*(.+?)</title>', webpage)
+               mobj = re.search(r'(?im)<title>Dailymotion\s*-\s*(.+)\s*-\s*[^<]+?</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'(?im)<div class="dmco_html owner">.*?<a class="name" href="/.+?">(.+?)</a>', webpage)
+               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
@@ -1234,20 +1608,18 @@ class DailymotionIE(InfoExtractor):
                                'player_url':   None,
                        })
                except UnavailableVideoError:
-                       self._downloader.trouble(u'ERROR: unable to download video')
+                       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)
 
-       @staticmethod
-       def suitable(url):
-               return (re.match(GoogleIE._VALID_URL, url) is not None)
-
        def report_download_webpage(self, video_id):
                """Report webpage download."""
                self._downloader.to_screen(u'[video.google] %s: Downloading webpage' % video_id)
@@ -1329,7 +1701,6 @@ class GoogleIE(InfoExtractor):
                else:   # we need something to pass to process_info
                        video_thumbnail = ''
 
-
                try:
                        # Process video information
                        self._downloader.process_info({
@@ -1344,21 +1715,18 @@ class GoogleIE(InfoExtractor):
                                'player_url':   None,
                        })
                except UnavailableVideoError:
-                       self._downloader.trouble(u'ERROR: unable to download video')
+                       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)
 
-       @staticmethod
-       def suitable(url):
-               return (re.match(PhotobucketIE._VALID_URL, url) is not None)
-
        def report_download_webpage(self, video_id):
                """Report webpage download."""
                self._downloader.to_screen(u'[photobucket] %s: Downloading webpage' % video_id)
@@ -1426,7 +1794,7 @@ class PhotobucketIE(InfoExtractor):
                                'player_url':   None,
                        })
                except UnavailableVideoError:
-                       self._downloader.trouble(u'ERROR: unable to download video')
+                       self._downloader.trouble(u'\nERROR: unable to download video')
 
 
 class YahooIE(InfoExtractor):
@@ -1436,14 +1804,11 @@ class YahooIE(InfoExtractor):
        # _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)
 
-       @staticmethod
-       def suitable(url):
-               return (re.match(YahooIE._VALID_URL, url) is not None)
-
        def report_download_webpage(self, video_id):
                """Report webpage download."""
                self._downloader.to_screen(u'[video.yahoo] %s: Downloading webpage' % video_id)
@@ -1529,7 +1894,8 @@ class YahooIE(InfoExtractor):
                        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.'
+               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)
@@ -1550,8 +1916,8 @@ class YahooIE(InfoExtractor):
                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')
+                               '&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()
@@ -1580,75 +1946,186 @@ class YahooIE(InfoExtractor):
                                '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')
+                       self._downloader.trouble(u'\nERROR: unable to download video')
 
 
-class GenericIE(InfoExtractor):
-       """Generic last-resort information extractor."""
+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)
 
-       @staticmethod
-       def suitable(url):
-               return True
-
        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)
+               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'[generic] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[vimeo] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                return
 
-       def _real_extract(self, url):
+       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)
 
-               video_id = url.split('/')[-1]
-               request = urllib2.Request(url)
+               # 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
-               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
 
+               # 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)
-               # Start with something easy: JW Player in SWFObject
-               mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
+
+               # Extract title
+               mobj = re.search(r'<caption>(.*?)</caption>', webpage)
                if mobj is None:
-                       # Broaden the search a little bit
-                       mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', 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: Invalid URL: %s' % url)
+                       self._downloader.trouble(u'ERROR: unable to extract video uploader')
                        return
+               video_uploader = mobj.group(1).decode('utf-8')
 
-               # It's possible that one of the regexes
-               # matched, but returned an empty group:
+               # 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 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" % (video_id, sig, sig_exp)
+
+               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_initialize(self):
+               return
+
+       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)
+               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]
+               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
@@ -1685,25 +2162,22 @@ class GenericIE(InfoExtractor):
                                'player_url':   None,
                        })
                except UnavailableVideoError, err:
-                       self._downloader.trouble(u'ERROR: unable to download video')
+                       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]+'
+       _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
-       
-       @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."""
@@ -1712,16 +2186,16 @@ class YoutubeSearchIE(InfoExtractor):
 
        def _real_initialize(self):
                self._youtube_ie.initialize()
-       
+
        def _real_extract(self, query):
-               mobj = re.match(self._VALID_QUERY, 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')
+               query = query.encode('utf-8')
                if prefix == '':
                        self._download_n_results(query, 1)
                        return
@@ -1735,7 +2209,7 @@ class YoutubeSearchIE(InfoExtractor):
                                        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))
+                                       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
@@ -1753,7 +2227,7 @@ class YoutubeSearchIE(InfoExtractor):
                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)
+                       request = urllib2.Request(result_url)
                        try:
                                page = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -1779,22 +2253,20 @@ class YoutubeSearchIE(InfoExtractor):
 
                        pagenum = pagenum + 1
 
+
 class GoogleSearchIE(InfoExtractor):
        """Information Extractor for Google Video search queries."""
-       _VALID_QUERY = r'gvsearch(\d+|all)?:[\s\S]+'
+       _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
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(GoogleSearchIE._VALID_QUERY, url) is not None)
 
        def report_download_page(self, query, pagenum):
                """Report attempt to download playlist page with given number."""
@@ -1803,16 +2275,16 @@ class GoogleSearchIE(InfoExtractor):
 
        def _real_initialize(self):
                self._google_ie.initialize()
-       
+
        def _real_extract(self, query):
-               mobj = re.match(self._VALID_QUERY, 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')
+               query = query.encode('utf-8')
                if prefix == '':
                        self._download_n_results(query, 1)
                        return
@@ -1826,7 +2298,7 @@ class GoogleSearchIE(InfoExtractor):
                                        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))
+                                       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
@@ -1844,7 +2316,7 @@ class GoogleSearchIE(InfoExtractor):
                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)
+                       request = urllib2.Request(result_url)
                        try:
                                page = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -1870,22 +2342,20 @@ class GoogleSearchIE(InfoExtractor):
 
                        pagenum = pagenum + 1
 
+
 class YahooSearchIE(InfoExtractor):
        """Information Extractor for Yahoo! Video search queries."""
-       _VALID_QUERY = r'yvsearch(\d+|all)?:[\s\S]+'
+       _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
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(YahooSearchIE._VALID_QUERY, url) is not None)
 
        def report_download_page(self, query, pagenum):
                """Report attempt to download playlist page with given number."""
@@ -1894,16 +2364,16 @@ class YahooSearchIE(InfoExtractor):
 
        def _real_initialize(self):
                self._yahoo_ie.initialize()
-       
+
        def _real_extract(self, query):
-               mobj = re.match(self._VALID_QUERY, 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')
+               query = query.encode('utf-8')
                if prefix == '':
                        self._download_n_results(query, 1)
                        return
@@ -1917,7 +2387,7 @@ class YahooSearchIE(InfoExtractor):
                                        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))
+                                       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
@@ -1935,7 +2405,7 @@ class YahooSearchIE(InfoExtractor):
                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)
+                       request = urllib2.Request(result_url)
                        try:
                                page = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -1961,22 +2431,20 @@ class YahooSearchIE(InfoExtractor):
 
                        pagenum = pagenum + 1
 
+
 class YoutubePlaylistIE(InfoExtractor):
        """Information Extractor for YouTube playlists."""
 
-       _VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/(?:(?:view_play_list|my_playlists)\?.*?p=|user/.*?/user/)([^&]+).*'
-       _TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s&gl=US&hl=en'
+       _VALID_URL = r'(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)([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
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(YoutubePlaylistIE._VALID_URL, url) is not None)
 
        def report_download_page(self, playlist_id, pagenum):
                """Report attempt to download playlist page with given number."""
@@ -1984,7 +2452,7 @@ class YoutubePlaylistIE(InfoExtractor):
 
        def _real_initialize(self):
                self._youtube_ie.initialize()
-       
+
        def _real_extract(self, url):
                # Extract playlist id
                mobj = re.match(self._VALID_URL, url)
@@ -1992,14 +2460,26 @@ class YoutubePlaylistIE(InfoExtractor):
                        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
-               playlist_id = mobj.group(1)
+               # 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)
-                       request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum), None, std_headers)
+                       request = urllib2.Request(self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum))
                        try:
                                page = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -2025,29 +2505,30 @@ class YoutubePlaylistIE(InfoExtractor):
                        self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
                return
 
+
 class YoutubeUserIE(InfoExtractor):
        """Information Extractor for YouTube users."""
 
-       _VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/user/(.*)'
+       _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/user/)|ytuser:)([A-Za-z0-9_-]+)'
        _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
-       _VIDEO_INDICATOR = r'http://gdata.youtube.com/feeds/api/videos/(.*)' # XXX Fix this.
+       _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
-       
-       @staticmethod
-       def suitable(url):
-               return (re.match(YoutubeUserIE._VALID_URL, url) is not None)
 
-       def report_download_page(self, username):
+       def report_download_page(self, username, start_index):
                """Report attempt to download user page."""
-               self._downloader.to_screen(u'[youtube] user %s: Downloading page ' % (username))
+               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)
@@ -2055,47 +2536,73 @@ class YoutubeUserIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: invalid url: %s' % url)
                        return
 
-               # Download user page
                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 = 1
+               pagenum = 0
 
-               self.report_download_page(username)
-               request = urllib2.Request(self._TEMPLATE_URL % (username), None, std_headers)
-               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
+               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.
 
-               # Extract video identifiers
-               ids_in_page = []
+                       if len(ids_in_page) < self._GDATA_PAGE_SIZE:
+                               break
 
-               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)
+                       pagenum += 1
 
+               all_ids_count = len(video_ids)
                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
+               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/(.+)'
+       _VALID_URL = r'(?:http://)?(?:\w+\.)?depositfiles\.com/(?:../(?#locale))?files/(.+)'
+       IE_NAME = u'DepositFiles'
 
        def __init__(self, downloader=None):
                InfoExtractor.__init__(self, downloader)
 
-       @staticmethod
-       def suitable(url):
-               return (re.match(DepositFilesIE._VALID_URL, url) is not None)
-
        def report_download_webpage(self, file_id):
                """Report webpage download."""
                self._downloader.to_screen(u'[DepositFiles] %s: Downloading webpage' % file_id)
@@ -2117,7 +2624,7 @@ class DepositFilesIE(InfoExtractor):
 
                # Retrieve file webpage with 'Free download' button pressed
                free_download_indication = { 'gateway_result' : '1' }
-               request = urllib2.Request(url, urllib.urlencode(free_download_indication), std_headers)
+               request = urllib2.Request(url, urllib.urlencode(free_download_indication))
                try:
                        self.report_download_webpage(file_id)
                        webpage = urllib2.urlopen(request).read()
@@ -2163,316 +2670,1184 @@ class DepositFilesIE(InfoExtractor):
                except UnavailableVideoError, err:
                        self._downloader.trouble(u'ERROR: unable to download file')
 
-class PostProcessor(object):
-       """Post Processor class.
 
-       PostProcessor objects can be added to downloaders with their
-       add_post_processor() method. When the downloader has finished a
-       successful download, it will take its internal chain of PostProcessors
-       and start calling the run() method on each one of them, first with
-       an initial argument and then with the returned value of the previous
-       PostProcessor.
+class FacebookIE(InfoExtractor):
+       """Information Extractor for Facebook"""
 
-       The chain will be stopped if one of them ever returns None or the end
-       of the chain is reached.
+       _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/video/video\.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 = ['highqual', 'lowqual']
+       _video_extensions = {
+               'highqual': 'mp4',
+               'lowqual': 'mp4',
+       }
+       IE_NAME = u'facebook'
 
-       PostProcessor objects follow a "mutual registration" process similar
-       to InfoExtractor objects.
-       """
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
 
-       _downloader = None
+       def _reporter(self, message):
+               """Add header and report message."""
+               self._downloader.to_screen(u'[facebook] %s' % message)
 
-       def __init__(self, downloader=None):
-               self._downloader = downloader
+       def report_login(self):
+               """Report attempt to log in."""
+               self._reporter(u'Logging in')
 
-       def set_downloader(self, downloader):
-               """Sets the downloader for this PP."""
-               self._downloader = downloader
-       
-       def run(self, information):
-               """Run the PostProcessor.
+       def report_video_webpage_download(self, video_id):
+               """Report attempt to download video webpage."""
+               self._reporter(u'%s: Downloading video webpage' % video_id)
 
-               The "information" argument is a dictionary like the ones
-               composed by InfoExtractors. The only difference is that this
-               one has an extra field called "filepath" that points to the
-               downloaded file.
+       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'class="video_title datawrap">(.*?)</',
+                       'description': r'<div class="datawrap">(.*?)</div>',
+                       'owner': r'\("video_owner_name", "(.*?)"\)',
+                       'upload_date': r'data-date="(.*?)"',
+                       '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"))
 
-               When this method returns None, the postprocessing chain is
-               stopped. However, this method may return an information
-               dictionary that will be passed to the next postprocessing
-               object in the chain. It can be the one it received after
-               changing some fields.
+               # 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
 
-               In addition, this method may raise a PostProcessingError
-               exception that will be taken into account by the downloader
-               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
-
-               # Function to update the program file with the latest version from bitbucket.org
-               def update_self(downloader, filename):
-                       # 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 stable version...')
-                       latest_url = 'http://github.com/rg3/youtube-dl/raw/master/LATEST_VERSION'
-                       latest_version = urllib.urlopen(latest_url).read().strip()
-                       prog_url = 'http://github.com/rg3/youtube-dl/raw/%s/youtube-dl' % latest_version
-                       newcontent = urllib.urlopen(prog_url).read()
-                       stream = open(filename, 'w')
-                       stream.write(newcontent)
-                       stream.close()
-                       downloader.to_screen('Updated to version %s' % latest_version)
-
-               # Parse command line
-               parser = optparse.OptionParser(
-                       usage='Usage: %prog [options] url...',
-                       version='2010.12.09',
-                       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('-U', '--update',
-                               action='store_true', dest='update_self', help='update this program to latest stable version')
-               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='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
-               parser.add_option('-R', '--retries',
-                               dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
-               parser.add_option('--playlist-start',
-                               dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
-               parser.add_option('--playlist-end',
-                               dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
-
-               authentication = optparse.OptionGroup(parser, 'Authentication Options')
-               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)
-               parser.add_option_group(authentication)
-
-               video_format = optparse.OptionGroup(parser, 'Video Format Options')
-               video_format.add_option('-f', '--format',
-                               action='store', dest='format', metavar='FORMAT', help='video format code')
-               video_format.add_option('-m', '--mobile-version',
-                               action='store_const', dest='format', help='alias for -f 17', const='17')
-               video_format.add_option('--all-formats',
-                               action='store_const', dest='format', help='download all available video formats', const='-1')
-               video_format.add_option('--max-quality',
-                               action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
-               video_format.add_option('-b', '--best-quality',
-                               action='store_true', dest='bestquality', help='download the best video quality (DEPRECATED)')
-               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)
-               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('--no-progress',
-                               action='store_true', dest='noprogress', help='do not print progress bar', 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('-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')
-               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('--cookies',
-                               dest='cookiefile', metavar='FILE', help='file to dump cookie jar to')
-               parser.add_option_group(filesystem)
-
-               (opts, args) = parser.parse_args()
-
-               # 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')
+               return video_info
 
-               # General configuration
-               cookie_processor = urllib2.HTTPCookieProcessor(jar)
-               urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
-               urllib2.install_opener(urllib2.build_opener(cookie_processor))
-               socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
+       def _real_initialize(self):
+               if self._downloader is None:
+                       return
+
+               useremail = None
+               password = None
+               downloader_params = self._downloader.params
 
-               # Batch file verification
-               batchurls = []
-               if opts.batchfile is not None:
+               # 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:
-                               if opts.batchfile == '-':
-                                       batchfd = sys.stdin
+                               info = netrc.netrc().authenticators(self._NETRC_MACHINE)
+                               if info is not None:
+                                       useremail = info[0]
+                                       password = info[2]
                                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
-
-               # Conflicting, missing and erroneous options
-               if opts.bestquality:
-                       print >>sys.stderr, u'\nWARNING: -b/--best-quality IS DEPRECATED AS IT IS THE DEFAULT BEHAVIOR NOW\n'
-               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')
+                                       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:
-                       opts.playliststart = long(opts.playliststart)
-                       if opts.playliststart <= 0:
-                               raise ValueError
-               except (TypeError, ValueError), err:
-                       parser.error(u'invalid playlist start number specified')
+                       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:
-                       opts.playlistend = long(opts.playlistend)
-                       if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
-                               raise ValueError
-               except (TypeError, ValueError), err:
-                       parser.error(u'invalid playlist end number specified')
-
-               # Information extractors
-               youtube_ie = YoutubeIE()
-               metacafe_ie = MetacafeIE(youtube_ie)
-               dailymotion_ie = DailymotionIE()
-               youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
-               youtube_user_ie = YoutubeUserIE(youtube_ie)
-               youtube_search_ie = YoutubeSearchIE(youtube_ie)
-               google_ie = GoogleIE()
-               google_search_ie = GoogleSearchIE(google_ie)
-               photobucket_ie = PhotobucketIE()
-               yahoo_ie = YahooIE()
-               yahoo_search_ie = YahooSearchIE(yahoo_ie)
-               deposit_files_ie = DepositFilesIE()
-               generic_ie = GenericIE()
-
-               # 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),
-                       'forceurl': opts.geturl,
-                       'forcetitle': opts.gettitle,
-                       'forcethumbnail': opts.getthumbnail,
-                       'forcedescription': opts.getdescription,
-                       'simulate': (opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription),
-                       'format': opts.format,
-                       'format_limit': opts.format_limit,
-                       '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 == '-',
-                       })
-               fd.add_info_extractor(youtube_search_ie)
-               fd.add_info_extractor(youtube_pl_ie)
-               fd.add_info_extractor(youtube_user_ie)
-               fd.add_info_extractor(metacafe_ie)
-               fd.add_info_extractor(dailymotion_ie)
-               fd.add_info_extractor(youtube_ie)
-               fd.add_info_extractor(google_ie)
-               fd.add_info_extractor(google_search_ie)
-               fd.add_info_extractor(photobucket_ie)
-               fd.add_info_extractor(yahoo_ie)
-               fd.add_info_extractor(yahoo_search_ie)
-               fd.add_info_extractor(deposit_files_ie)
-
-               # This must come last since it's the
-               # fallback if none of the others work
-               fd.add_info_extractor(generic_ie)
-
-               # Update version
-               if opts.update_self:
-                       update_self(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')
-                       else:
-                               sys.exit()
-               retcode = fd.download(all_urls)
+                       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
 
-               # 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')
+               # Start extracting information
+               self.report_information_extraction(video_id)
 
-               sys.exit(retcode)
+               # Extract information
+               video_info = self._parse_page(video_webpage)
 
-       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')
+               # 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)
+
+               # simplified title
+               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               simple_title = simple_title.strip(ur'_')
+
+               # 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 _simplify_title(self, title):
+               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
+               res = res.strip(ur'_')
+               return res
+
+       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)
+                               ext = ext.replace('.', '')
+                               self.report_direct_download(title)
+                               info = {
+                                       'id': title,
+                                       'url': url,
+                                       'title': title,
+                                       'stitle': self._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': self._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_initialize(self):
+               return
+
+       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)
+               simple_title = mobj.group(2).decode('utf-8')
+               # should actually not be necessary
+               simple_title = sanitize_title(simple_title)
+               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', simple_title)
+
+               # 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)
+
+               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 _simplify_title(self, title):
+               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
+               res = res.strip(ur'_')
+               return res
+
+       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 = 'http://www.thedailyshow.com/full-episodes/'
+                       else:
+                               url = '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="(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 + '-' + epTitle
+                       info = {
+                               'id': shortMediaId,
+                               'url': video_url,
+                               'uploader': showId,
+                               'upload_date': officialDate,
+                               'title': effTitle,
+                               'stitle': self._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 _simplify_title(self, title):
+               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
+               res = res.strip(ur'_')
+               return res
+
+       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': self._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 PostProcessor(object):
+       """Post Processor class.
+
+       PostProcessor objects can be added to downloaders with their
+       add_post_processor() method. When the downloader has finished a
+       successful download, it will take its internal chain of PostProcessors
+       and start calling the run() method on each one of them, first with
+       an initial argument and then with the returned value of the previous
+       PostProcessor.
+
+       The chain will be stopped if one of them ever returns None or the end
+       of the chain is reached.
+
+       PostProcessor objects follow a "mutual registration" process similar
+       to InfoExtractor objects.
+       """
+
+       _downloader = None
+
+       def __init__(self, downloader=None):
+               self._downloader = downloader
+
+       def set_downloader(self, downloader):
+               """Sets the downloader for this PP."""
+               self._downloader = downloader
+
+       def run(self, information):
+               """Run the PostProcessor.
+
+               The "information" argument is a dictionary like the ones
+               composed by InfoExtractors. The only difference is that this
+               one has an extra field called "filepath" that points to the
+               downloaded file.
+
+               When this method returns None, the postprocessing chain is
+               stopped. However, this method may return an information
+               dictionary that will be passed to the next postprocessing
+               object in the chain. It can be the one it received after
+               changing some fields.
+
+               In addition, this method may raise a PostProcessingError
+               exception that will be taken into account by the downloader
+               it was called from.
+               """
+               return information # by default, do nothing
+
+
+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):
+               try:
+                       cmd = ['ffmpeg', '-y', '-i', path, '-vn', '-acodec', codec] + more_opts + ['--', out_path]
+                       ret = subprocess.call(cmd, stdout=file(os.path.devnull, 'w'), stderr=subprocess.STDOUT)
+                       return (ret == 0)
+               except (IOError, OSError):
+                       return False
+
+       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:
+                       if 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', 'vorbis': 'libvorbis'}[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 == 'vorbis':
+                               extension = 'ogg'
+
+               (prefix, ext) = os.path.splitext(path)
+               new_path = prefix + '.' + extension
+               self._downloader.to_screen(u'[ffmpeg] Destination: %s' % new_path)
+               status = self.run_ffmpeg(path, new_path, acodec, more_opts)
+
+               if not status:
+                       self._downloader.to_stderr(u'WARNING: 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:
+                               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
+
+       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)')
+
+       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('--max-quality',
+                       action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
+
+
+       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, and %% for a literal percent')
+       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" or "mp3"; 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)
+
+       opts, args = parser.parse_args()
+
+       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(),
+
+               GenericIE()
+       ]
+
+def 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']:
+                       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,
+               '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,
+               })
+       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')
+               else:
+                       sys.exit()
+       retcode = fd.download(all_urls)
+
+       # 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)
+
+
+if __name__ == '__main__':
+       try:
+               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')
+
+# vim: set ts=4 sw=4 sts=4 noet ai si filetype=python: