]> Raphaƫl G. Git Repositories - youtubedl/blobdiff - youtube-dl
Imported Debian patch 2010.11.19-1
[youtubedl] / youtube-dl
index e89c9152d6f16735f11441e5c64f0c44093b99b6..24722d292ecadfd4b16e2775ca9a53efc145628a 100755 (executable)
@@ -4,6 +4,7 @@
 # Author: Danny Colligan
 # Author: Benjamin Johnson
 # License: Public domain code
+import cookielib
 import htmlentitydefs
 import httplib
 import locale
@@ -27,7 +28,7 @@ except ImportError:
        from cgi import parse_qs
 
 std_headers = {
-       'User-Agent': 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.6) Gecko/20100627 Firefox/3.6.6',
+       'User-Agent': 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101028 Firefox/3.6.12',
        '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-Language': 'en-us,en;q=0.5',
@@ -35,6 +36,21 @@ std_headers = {
 
 simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
 
+month_name_to_number = {
+       'January':      '01',
+       'February':     '02',
+       'March':        '03',
+       'April':        '04',
+       'May':          '05',
+       'June':         '06',
+       'July':         '07',
+       'August':       '08',
+       'September':    '09',
+       'October':      '10',
+       'November':     '11',
+       'December':     '12',
+}
+
 def preferredencoding():
        """Get preferred encoding.
 
@@ -94,6 +110,9 @@ def sanitize_open(filename, open_mode):
        """
        try:
                if filename == u'-':
+                       if sys.platform == 'win32':
+                               import msvcrt
+                               msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
                        return (sys.stdout, filename)
                stream = open(filename, open_mode)
                return (stream, filename)
@@ -131,7 +150,7 @@ class PostProcessingError(Exception):
        """
        pass
 
-class UnavailableFormatError(Exception):
+class UnavailableVideoError(Exception):
        """Unavailable Format exception.
 
        This exception will be thrown when a video is requested
@@ -181,22 +200,27 @@ class FileDownloader(object):
 
        Available options:
 
-       username:       Username for authentication purposes.
-       password:       Password for authentication purposes.
-       usenetrc:       Use netrc for authentication instead.
-       quiet:          Do not print messages to stdout.
-       forceurl:       Force printing final URL.
-       forcetitle:     Force printing title.
-       simulate:       Do not download the video files.
-       format:         Video format code.
-       format_limit:   Highest quality format to try.
-       outtmpl:        Template for output names.
-       ignoreerrors:   Do not stop on download errors.
-       ratelimit:      Download speed limit, in bytes/sec.
-       nooverwrites:   Prevent overwriting files.
-       retries:        Number of times to retry for HTTP error 503
-       continuedl:     Try to continue downloads if possible.
-       noprogress:     Do not print the progress bar.
+       username:         Username for authentication purposes.
+       password:         Password for authentication purposes.
+       usenetrc:         Use netrc for authentication instead.
+       quiet:            Do not print messages to stdout.
+       forceurl:         Force printing final URL.
+       forcetitle:       Force printing title.
+       forcethumbnail:   Force printing thumbnail URL.
+       forcedescription: Force printing description.
+       simulate:         Do not download the video files.
+       format:           Video format code.
+       format_limit:     Highest quality format to try.
+       outtmpl:          Template for output names.
+       ignoreerrors:     Do not stop on download errors.
+       ratelimit:        Download speed limit, in bytes/sec.
+       nooverwrites:     Prevent overwriting files.
+       retries:          Number of times to retry for HTTP error 5xx
+       continuedl:       Try to continue downloads if possible.
+       noprogress:       Do not print the progress bar.
+       playliststart:    Playlist item to start at.
+       playlistend:      Playlist item to end at.
+       logtostderr:      Log messages to stderr instead of stdout.
        """
 
        params = None
@@ -204,6 +228,7 @@ class FileDownloader(object):
        _pps = []
        _download_retcode = None
        _num_downloads = None
+       _screen_file = None
 
        def __init__(self, params):
                """Create a FileDownloader object with the given options."""
@@ -211,6 +236,7 @@ class FileDownloader(object):
                self._pps = []
                self._download_retcode = 0
                self._num_downloads = 0
+               self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
                self.params = params
        
        @staticmethod
@@ -287,16 +313,6 @@ class FileDownloader(object):
                multiplier = 1024.0 ** 'bkmgtpezy'.index(matchobj.group(2).lower())
                return long(round(number * multiplier))
 
-       @staticmethod
-       def verify_url(url):
-               """Verify a URL is valid and data could be downloaded. Return real data URL."""
-               request = urllib2.Request(url, None, std_headers)
-               data = urllib2.urlopen(request)
-               data.read(1)
-               url = data.geturl()
-               data.close()
-               return url
-
        def add_info_extractor(self, ie):
                """Add an InfoExtractor object to the end of the list."""
                self._ies.append(ie)
@@ -307,12 +323,13 @@ class FileDownloader(object):
                self._pps.append(pp)
                pp.set_downloader(self)
        
-       def to_stdout(self, message, skip_eol=False, ignore_encoding_errors=False):
+       def to_screen(self, message, skip_eol=False, ignore_encoding_errors=False):
                """Print message to stdout if not in quiet mode."""
                try:
                        if not self.params.get('quiet', False):
-                               print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(preferredencoding()),
-                       sys.stdout.flush()
+                               terminator = [u'\n', u''][skip_eol]
+                               print >>self._screen_file, (u'%s%s' % (message, terminator)).encode(preferredencoding()),
+                       self._screen_file.flush()
                except (UnicodeEncodeError), err:
                        if not ignore_encoding_errors:
                                raise
@@ -353,40 +370,40 @@ class FileDownloader(object):
 
        def report_destination(self, filename):
                """Report destination filename."""
-               self.to_stdout(u'[download] Destination: %s' % filename, ignore_encoding_errors=True)
+               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_stdout(u'\r[download] %s of %s at %s ETA %s' %
+               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)
 
        def report_resuming_byte(self, resume_len):
-               """Report attemtp to resume at given byte."""
-               self.to_stdout(u'[download] Resuming download at byte %s' % resume_len)
+               """Report attempt to resume at given byte."""
+               self.to_screen(u'[download] Resuming download at byte %s' % resume_len)
        
        def report_retry(self, count, retries):
-               """Report retry in case of HTTP error 503"""
-               self.to_stdout(u'[download] Got HTTP error 503. Retrying (attempt %d of %d)...' % (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_stdout(u'[download] %s has already been downloaded' % file_name)
+                       self.to_screen(u'[download] %s has already been downloaded' % file_name)
                except (UnicodeEncodeError), err:
-                       self.to_stdout(u'[download] The file has already been downloaded')
+                       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_stdout(u'[download] Unable to resume')
+               self.to_screen(u'[download] Unable to resume')
        
        def report_finish(self):
                """Report download finished."""
                if self.params.get('noprogress', False):
-                       self.to_stdout(u'[download] Download completed')
+                       self.to_screen(u'[download] Download completed')
                else:
-                       self.to_stdout(u'')
+                       self.to_screen(u'')
        
        def increment_downloads(self):
                """Increment the ordinal that assigns a number to each file."""
@@ -396,13 +413,6 @@ class FileDownloader(object):
                """Process a single dictionary returned by an InfoExtractor."""
                # Do nothing else if in simulate mode
                if self.params.get('simulate', False):
-                       # Verify URL if it's an HTTP one
-                       if info_dict['url'].startswith('http'):
-                               try:
-                                       self.verify_url(info_dict['url'].encode('utf-8')).decode('utf-8')
-                               except (OSError, IOError, urllib2.URLError, httplib.HTTPException, socket.error), err:
-                                       raise UnavailableFormatError
-
                        # Forced printings
                        if self.params.get('forcetitle', False):
                                print info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace')
@@ -418,36 +428,37 @@ class FileDownloader(object):
                try:
                        template_dict = dict(info_dict)
                        template_dict['epoch'] = unicode(long(time.time()))
-                       template_dict['ord'] = unicode('%05d' % self._num_downloads)
+                       template_dict['autonumber'] = unicode('%05d' % self._num_downloads)
                        filename = self.params['outtmpl'] % template_dict
                except (ValueError, KeyError), err:
-                       self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
+                       self.trouble(u'ERROR: invalid system charset or erroneous output template')
+                       return
                if self.params.get('nooverwrites', False) and os.path.exists(filename):
-                       self.to_stderr(u'WARNING: file exists: %s; skipping' % filename)
+                       self.to_stderr(u'WARNING: file exists and will be skipped')
                        return
 
                try:
                        self.pmkdir(filename)
                except (OSError, IOError), err:
-                       self.trouble('ERROR: unable to create directories: %s' % str(err))
+                       self.trouble(u'ERROR: unable to create directories: %s' % str(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 UnavailableFormatError
+                       raise UnavailableVideoError
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                       self.trouble('ERROR: unable to download video data: %s' % str(err))
+                       self.trouble(u'ERROR: unable to download video data: %s' % str(err))
                        return
                except (ContentTooShortError, ), err:
-                       self.trouble('ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
+                       self.trouble(u'ERROR: 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('ERROR: postprocessing: %s' % str(err))
+                               self.trouble(u'ERROR: postprocessing: %s' % str(err))
                                return
 
        def download(self, url_list):
@@ -472,7 +483,7 @@ class FileDownloader(object):
                                break
 
                        if not suitable_found:
-                               self.trouble('ERROR: no suitable InfoExtractor: %s' % url)
+                               self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url)
 
                return self._download_retcode
 
@@ -502,17 +513,17 @@ class FileDownloader(object):
                retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
                while retval == 2 or retval == 1:
                        prevsize = os.path.getsize(filename)
-                       self.to_stdout(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
+                       self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
                        time.sleep(5.0) # This seems to be needed
                        retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
                        cursize = os.path.getsize(filename)
                        if prevsize == cursize and retval == 1:
                                break
                if retval == 0:
-                       self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename))
+                       self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename))
                        return True
                else:
-                       self.trouble('\nERROR: rtmpdump exited with code %d' % retval)
+                       self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval)
                        return False
 
        def _do_download(self, filename, url, player_url):
@@ -539,32 +550,50 @@ class FileDownloader(object):
 
                count = 0
                retries = self.params.get('retries', 0)
-               while True:
+               while count <= retries:
                        # Establish connection
                        try:
                                data = urllib2.urlopen(request)
                                break
                        except (urllib2.HTTPError, ), err:
-                               if err.code == 503:
-                                       # Retry in case of HTTP error 503
-                                       count += 1
-                                       if count <= retries:
-                                               self.report_retry(count, retries)
-                                               continue
-                               if err.code != 416: #  416 is 'Requested range not satisfiable'
+                               if (err.code < 500 or err.code >= 600) and err.code != 416:
+                                       # Unexpected HTTP error
                                        raise
-                               # Unable to resume
-                               data = urllib2.urlopen(basic_request)
-                               content_length = data.info()['Content-Length']
-
-                               if content_length is not None and long(content_length) == resume_len:
-                                       # Because the file had already been fully downloaded
-                                       self.report_file_already_downloaded(filename)
-                                       return True
-                               else:
-                                       # Because the server didn't let us
-                                       self.report_unable_to_resume()
-                                       open_mode = 'wb'
+                               elif err.code == 416:
+                                       # Unable to resume (requested range not satisfiable)
+                                       try:
+                                               # Open the connection again without the range header
+                                               data = urllib2.urlopen(basic_request)
+                                               content_length = data.info()['Content-Length']
+                                       except (urllib2.HTTPError, ), err:
+                                               if err.code < 500 or err.code >= 600:
+                                                       raise
+                                       else:
+                                               # Examine the reported length
+                                               if (content_length is not None and
+                                                   (resume_len - 100 < long(content_length) < resume_len + 100)):
+                                                       # The file had already been fully downloaded.
+                                                       # Explanation to the above condition: in issue #175 it was revealed that
+                                                       # YouTube sometimes adds or removes a few bytes from the end of the file,
+                                                       # changing the file size slightly and causing problems for some users. So
+                                                       # I decided to implement a suggested change and consider the file
+                                                       # completely downloaded if the file size differs less than 100 bytes from
+                                                       # the one in the hard drive.
+                                                       self.report_file_already_downloaded(filename)
+                                                       return True
+                                               else:
+                                                       # The length does not match, we start the download over
+                                                       self.report_unable_to_resume()
+                                                       open_mode = 'wb'
+                                                       break
+                       # Retry
+                       count += 1
+                       if count <= retries:
+                               self.report_retry(count, retries)
+
+               if count > retries:
+                       self.trouble(u'ERROR: giving up after %s retries' % retries)
+                       return False
 
                data_len = data.info().get('Content-length', None)
                data_len_str = self.format_bytes(data_len)
@@ -587,12 +616,13 @@ class FileDownloader(object):
                                        (stream, filename) = sanitize_open(filename, open_mode)
                                        self.report_destination(filename)
                                except (OSError, IOError), err:
-                                       self.trouble('ERROR: unable to open for writing: %s' % str(err))
+                                       self.trouble(u'ERROR: unable to open for writing: %s' % str(err))
                                        return False
                        try:
                                stream.write(data_block)
                        except (IOError, OSError), err:
-                               self.trouble('\nERROR: unable to write data: %s' % str(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)
 
                        # Progress message
@@ -683,13 +713,13 @@ class InfoExtractor(object):
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
-       _VALID_URL = r'^((?:http://)?(?:youtu\.be/|(?:\w+\.)?youtube\.com/(?:(?:v/)|(?:(?:watch(?:_popup)?(?:\.php)?)?[\?#](?:.+&)?v=))))?([0-9A-Za-z_-]+)(?(1).+)?$'
-       _LANG_URL = r'http://uk.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
-       _LOGIN_URL = 'http://www.youtube.com/signup?next=/&gl=US&hl=en'
+       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/(?:(?:v/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))))?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _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 priority for the -b option
-       _available_formats = ['38', '37', '22', '45', '35', '34', '43', '18', '6', '5', '17', '13', None]
+       # Listed in order of quality
+       _available_formats = ['38', '37', '22', '45', '35', '34', '43', '18', '6', '5', '17', '13']
        _video_extensions = {
                '13': '3gp',
                '17': 'mp4',
@@ -707,35 +737,35 @@ class YoutubeIE(InfoExtractor):
 
        def report_lang(self):
                """Report attempt to set language."""
-               self._downloader.to_stdout(u'[youtube] Setting language')
+               self._downloader.to_screen(u'[youtube] Setting language')
 
        def report_login(self):
                """Report attempt to log in."""
-               self._downloader.to_stdout(u'[youtube] Logging in')
+               self._downloader.to_screen(u'[youtube] Logging in')
        
        def report_age_confirmation(self):
                """Report attempt to confirm age."""
-               self._downloader.to_stdout(u'[youtube] Confirming age')
+               self._downloader.to_screen(u'[youtube] Confirming age')
        
        def report_video_webpage_download(self, video_id):
                """Report attempt to download video webpage."""
-               self._downloader.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id)
+               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_stdout(u'[youtube] %s: Downloading video info webpage' % video_id)
+               self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id)
        
        def report_information_extraction(self, video_id):
                """Report attempt to extract video information."""
-               self._downloader.to_stdout(u'[youtube] %s: Extracting video information' % video_id)
+               self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
        
        def report_unavailable_format(self, video_id, format):
                """Report extracted video URL."""
-               self._downloader.to_stdout(u'[youtube] %s: Format %s not available' % (video_id, format))
+               self._downloader.to_screen(u'[youtube] %s: Format %s not available' % (video_id, format))
        
        def report_rtmp_download(self):
                """Indicate the download will use the RTMP protocol."""
-               self._downloader.to_stdout(u'[youtube] RTMP download detected')
+               self._downloader.to_screen(u'[youtube] RTMP download detected')
        
        def _real_initialize(self):
                if self._downloader is None:
@@ -812,130 +842,145 @@ class YoutubeIE(InfoExtractor):
                if mobj is None:
                        self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
                        return
-
-               # At this point we have a new video
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
                video_id = mobj.group(2)
 
-               # Downloader parameters
-               best_quality = False
-               all_formats = False
-               format_param = None
-               quality_index = 0
-               if self._downloader is not None:
-                       params = self._downloader.params
-                       format_param = params.get('format', None)
-                       if format_param == '0':
-                               format_limit = params.get('format_limit', None)
-                               if format_limit is not None:
-                                       try:
-                                               # Start at a different format if the user has limited the maximum quality
-                                               quality_index = self._available_formats.index(format_limit)
-                                       except ValueError:
-                                               pass
-                               format_param = self._available_formats[quality_index]
-                               best_quality = True
-                       elif format_param == '-1':
-                               format_param = self._available_formats[quality_index]
-                               all_formats = True
-
-               while True:
-                       # Extension
-                       video_extension = self._video_extensions.get(format_param, 'flv')
+               # Get video webpage
+               self.report_video_webpage_download(video_id)
+               request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&amp;has_verified=1' % video_id, None, std_headers)
+               try:
+                       video_webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
 
-                       # Get video webpage
-                       self.report_video_webpage_download(video_id)
-                       request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id, None, std_headers)
+               # Attempt to extract SWF player URL
+               mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
+               if mobj is not None:
+                       player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
+               else:
+                       player_url = None
+
+               # Get video info
+               self.report_video_info_webpage_download(video_id)
+               for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
+                       video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
+                                          % (video_id, el_type))
+                       request = urllib2.Request(video_info_url, None, std_headers)
                        try:
-                               video_webpage = urllib2.urlopen(request).read()
+                               video_info_webpage = urllib2.urlopen(request).read()
+                               video_info = parse_qs(video_info_webpage)
+                               if 'token' in video_info:
+                                       break
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                               self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
                                return
+               if 'token' not in video_info:
+                       if 'reason' in video_info:
+                               self._downloader.trouble(u'ERROR: YouTube said: %s' % video_info['reason'][0].decode('utf-8'))
+                       else:
+                               self._downloader.trouble(u'ERROR: "token" parameter not in video info for unknown reason')
+                       return
+
+               # Start extracting information
+               self.report_information_extraction(video_id)
 
-                       # Attempt to extract SWF player URL
-                       mobj = re.search(r'swfConfig.*"(http://.*?watch.*?-.*?\.swf)"', video_webpage)
+               # uploader
+               if 'author' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                       return
+               video_uploader = urllib.unquote_plus(video_info['author'][0])
+
+               # title
+               if 'title' not in video_info:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = urllib.unquote_plus(video_info['title'][0])
+               video_title = video_title.decode('utf-8')
+               video_title = sanitize_title(video_title)
+
+               # simplified title
+               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               simple_title = simple_title.strip(ur'_')
+
+               # thumbnail image
+               if 'thumbnail_url' not in video_info:
+                       self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
+                       video_thumbnail = ''
+               else:   # don't panic if we can't find it
+                       video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0])
+
+               # upload date
+               upload_date = u'NA'
+               mobj = re.search(r'id="eow-date".*?>(.*?)</span>', video_webpage, re.DOTALL)
+               if mobj is not None:
+                       try:
+                               if ',' in mobj.group(1):
+                                       # Month Day, Year
+                                       m, d, y = mobj.group(1).replace(',', '').split()
+                               else:
+                                       # Day Month Year, we'll suppose
+                                       d, m, y = mobj.group(1).split()
+                               m = month_name_to_number[m]
+                               d = '%02d' % (long(d))
+                               upload_date = '%s%s%s' % (y, m, d)
+                       except:
+                               upload_date = u'NA'
+
+               # 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:
-                               player_url = mobj.group(1)
+                               video_description = mobj.group(1)
+
+               # token
+               video_token = urllib.unquote_plus(video_info['token'][0])
+
+               # Decide which formats to download
+               requested_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(','))
+                       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:
-                               player_url = None
-
-                       # Get video info
-                       self.report_video_info_webpage_download(video_id)
-                       for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
-                               video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
-                                                  % (video_id, el_type))
-                               request = urllib2.Request(video_info_url, None, std_headers)
-                               try:
-                                       video_info_webpage = urllib2.urlopen(request).read()
-                                       video_info = parse_qs(video_info_webpage)
-                                       if 'token' in video_info:
-                                               break
-                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                                       self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
-                                       return
-                       self.report_information_extraction(video_id)
-
-                       # "t" param
-                       if 'token' not in video_info:
-                               # Attempt to see if YouTube has issued an error message
-                               if 'reason' not in video_info:
-                                       self._downloader.trouble(u'ERROR: unable to extract "t" parameter for unknown reason')
-                                       stream = open('reportme-ydl-%s.dat' % time.time(), 'wb')
-                                       stream.write(video_info_webpage)
-                                       stream.close()
-                               else:
-                                       reason = urllib.unquote_plus(video_info['reason'][0])
-                                       self._downloader.trouble(u'ERROR: YouTube said: %s' % reason.decode('utf-8'))
-                               return
-                       token = urllib.unquote_plus(video_info['token'][0])
-                       video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&eurl=&el=detailpage&ps=default&gl=US&hl=en' % (video_id, token)
-                       if format_param is not None:
-                               video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
-
-                       # Check possible RTMP download
-                       if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
-                               self.report_rtmp_download()
-                               video_real_url = video_info['conn'][0]
-
-                       # uploader
-                       if 'author' not in video_info:
-                               self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                               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
-                       video_uploader = urllib.unquote_plus(video_info['author'][0])
+                       if requested_format is None:
+                               video_url_list = [(existing_formats[0], get_video_template % existing_formats[0])] # Best quality
+                       elif requested_format == '-1':
+                               video_url_list = [(f, get_video_template % f) for f in existing_formats] # All formats
+                       else:
+                               video_url_list = [(requested_format, get_video_template % requested_format)] # Specific format
 
-                       # title
-                       if 'title' not in video_info:
-                               self._downloader.trouble(u'ERROR: unable to extract video title')
-                               return
-                       video_title = urllib.unquote_plus(video_info['title'][0])
-                       video_title = video_title.decode('utf-8')
-                       video_title = sanitize_title(video_title)
-
-                       # simplified title
-                       simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-                       simple_title = simple_title.strip(ur'_')
-
-                       # thumbnail image
-                       if 'thumbnail_url' not in video_info:
-                               self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
-                               video_thumbnail = ''
-                       else:   # don't panic if we can't find it
-                               video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0])
-
-                       # 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)
+               elif 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+                       self.report_rtmp_download()
+                       video_url_list = [(None, video_info['conn'][0])]
+
+               else:
+                       self._downloader.trouble(u'ERROR: no fmt_url_map or conn information found in video info')
+                       return
+
+               for format_param, video_real_url in video_url_list:
+                       # At this point we have a new video
+                       self._downloader.increment_downloads()
 
+                       # Extension
+                       video_extension = self._video_extensions.get(format_param, 'flv')
+
+                       # Find the video URL in fmt_url_map or conn paramters
                        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'),
@@ -944,32 +989,8 @@ class YoutubeIE(InfoExtractor):
                                        'description':  video_description.decode('utf-8'),
                                        'player_url':   player_url,
                                })
-
-                               if all_formats:
-                                       quality_index += 1
-                                       if quality_index == len(self._available_formats):
-                                               # None left to get
-                                               return
-                                       else:
-                                               format_param = self._available_formats[quality_index]
-                                               continue
-                               return
-
-                       except UnavailableFormatError, err:
-                               if best_quality or all_formats:
-                                       quality_index += 1
-                                       if quality_index == len(self._available_formats):
-                                               # I don't ever expect this to happen
-                                               if not all_formats:
-                                                       self._downloader.trouble(u'ERROR: no known formats available for video')
-                                               return
-                                       else:
-                                               self.report_unavailable_format(video_id, format_param)
-                                               format_param = self._available_formats[quality_index]
-                                               continue
-                               else: 
-                                       self._downloader.trouble('ERROR: format not available for video')
-                                       return
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'ERROR: unable to download video (format may not be available)')
 
 
 class MetacafeIE(InfoExtractor):
@@ -990,19 +1011,19 @@ class MetacafeIE(InfoExtractor):
 
        def report_disclaimer(self):
                """Report disclaimer retrieval."""
-               self._downloader.to_stdout(u'[metacafe] Retrieving disclaimer')
+               self._downloader.to_screen(u'[metacafe] Retrieving disclaimer')
 
        def report_age_confirmation(self):
                """Report attempt to confirm age."""
-               self._downloader.to_stdout(u'[metacafe] Confirming age')
+               self._downloader.to_screen(u'[metacafe] Confirming age')
        
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'[metacafe] %s: Downloading webpage' % video_id)
+               self._downloader.to_screen(u'[metacafe] %s: Downloading webpage' % video_id)
        
        def report_extraction(self, video_id):
                """Report information extraction."""
-               self._downloader.to_stdout(u'[metacafe] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[metacafe] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                # Retrieve disclaimer
@@ -1043,11 +1064,9 @@ class MetacafeIE(InfoExtractor):
                        return
 
                # At this point we have a new video
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
 
                simple_title = mobj.group(2).decode('utf-8')
-               video_extension = 'flv'
 
                # Retrieve video webpage to extract further information
                request = urllib2.Request('http://www.metacafe.com/watch/%s/' % video_id)
@@ -1061,20 +1080,33 @@ class MetacafeIE(InfoExtractor):
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
                mobj = re.search(r'(?m)&mediaURL=([^&]+)', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract media URL')
-                       return
-               mediaURL = urllib.unquote(mobj.group(1))
-
-               #mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
-               #if mobj is None:
-               #       self._downloader.trouble(u'ERROR: unable to extract gdaKey')
-               #       return
-               #gdaKey = mobj.group(1)
-               #
-               #video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
-
-               video_url = mediaURL
+               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:
+                               video_url = mediaURL
+                       else:
+                               gdaKey = mobj.group(1)
+                               video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
+               else:
+                       mobj = re.search(r' name="flashvars" value="(.*?)"', webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       vardict = parse_qs(mobj.group(1))
+                       if 'mediaData' not in vardict:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       mobj = re.search(r'"mediaURL":"(http.*?)","key":"(.*?)"', vardict['mediaData'][0])
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract media URL')
+                               return
+                       mediaURL = mobj.group(1).replace('\\/', '/')
+                       video_extension = mediaURL[-3:]
+                       video_url = '%s?__gda__=%s' % (mediaURL, mobj.group(2))
 
                mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
                if mobj is None:
@@ -1095,14 +1127,15 @@ class MetacafeIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'format':       u'NA',
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class DailymotionIE(InfoExtractor):
@@ -1119,11 +1152,11 @@ class DailymotionIE(InfoExtractor):
 
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'[dailymotion] %s: Downloading webpage' % video_id)
+               self._downloader.to_screen(u'[dailymotion] %s: Downloading webpage' % video_id)
        
        def report_extraction(self, video_id):
                """Report information extraction."""
-               self._downloader.to_stdout(u'[dailymotion] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[dailymotion] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                return
@@ -1136,8 +1169,7 @@ class DailymotionIE(InfoExtractor):
                        return
 
                # At this point we have a new video
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
                video_id = mobj.group(1)
 
                simple_title = mobj.group(2).decode('utf-8')
@@ -1172,7 +1204,7 @@ class DailymotionIE(InfoExtractor):
                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></div>', webpage)
+               mobj = re.search(r'(?im)<div class="dmco_html owner">.*?<a class="name" href="/.+?">(.+?)</a>', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
                        return
@@ -1184,14 +1216,15 @@ class DailymotionIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'format':       u'NA',
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 class GoogleIE(InfoExtractor):
        """Information extractor for video.google.com."""
@@ -1207,11 +1240,11 @@ class GoogleIE(InfoExtractor):
 
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'[video.google] %s: Downloading webpage' % video_id)
+               self._downloader.to_screen(u'[video.google] %s: Downloading webpage' % video_id)
 
        def report_extraction(self, video_id):
                """Report information extraction."""
-               self._downloader.to_stdout(u'[video.google] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[video.google] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                return
@@ -1224,8 +1257,7 @@ class GoogleIE(InfoExtractor):
                        return
 
                # At this point we have a new video
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
                video_id = mobj.group(1)
 
                video_extension = 'mp4'
@@ -1294,14 +1326,15 @@ class GoogleIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     u'NA',
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'format':       u'NA',
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class PhotobucketIE(InfoExtractor):
@@ -1318,11 +1351,11 @@ class PhotobucketIE(InfoExtractor):
 
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'[photobucket] %s: Downloading webpage' % video_id)
+               self._downloader.to_screen(u'[photobucket] %s: Downloading webpage' % video_id)
 
        def report_extraction(self, video_id):
                """Report information extraction."""
-               self._downloader.to_stdout(u'[photobucket] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[photobucket] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                return
@@ -1335,8 +1368,7 @@ class PhotobucketIE(InfoExtractor):
                        return
 
                # At this point we have a new video
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
                video_id = mobj.group(1)
 
                video_extension = 'flv'
@@ -1376,14 +1408,15 @@ class PhotobucketIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader,
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'format':       u'NA',
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class YahooIE(InfoExtractor):
@@ -1403,11 +1436,11 @@ class YahooIE(InfoExtractor):
 
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'[video.yahoo] %s: Downloading webpage' % video_id)
+               self._downloader.to_screen(u'[video.yahoo] %s: Downloading webpage' % video_id)
 
        def report_extraction(self, video_id):
                """Report information extraction."""
-               self._downloader.to_stdout(u'[video.yahoo] %s: Extracting information' % video_id)
+               self._downloader.to_screen(u'[video.yahoo] %s: Extracting information' % video_id)
 
        def _real_initialize(self):
                return
@@ -1420,8 +1453,7 @@ class YahooIE(InfoExtractor):
                        return
 
                # At this point we have a new video
-               if self._downloader is not None and new_video:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
                video_id = mobj.group(2)
                video_extension = 'flv'
 
@@ -1531,6 +1563,7 @@ class YahooIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url,
                                'uploader':     video_uploader,
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
@@ -1540,8 +1573,8 @@ class YahooIE(InfoExtractor):
                                'description':  video_description,
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class GenericIE(InfoExtractor):
@@ -1556,20 +1589,19 @@ class GenericIE(InfoExtractor):
 
        def report_download_webpage(self, video_id):
                """Report webpage download."""
-               self._downloader.to_stdout(u'WARNING: Falling back on generic information extractor.')
-               self._downloader.to_stdout(u'[generic] %s: Downloading webpage' % video_id)
+               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_stdout(u'[generic] %s: Extracting information' % video_id)
+               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
-               if self._downloader is not None:
-                       self._downloader.increment_downloads()
+               self._downloader.increment_downloads()
 
                video_id = url.split('/')[-1]
                request = urllib2.Request(url)
@@ -1634,14 +1666,15 @@ class GenericIE(InfoExtractor):
                                'id':           video_id.decode('utf-8'),
                                'url':          video_url.decode('utf-8'),
                                'uploader':     video_uploader,
+                               'upload_date':  u'NA',
                                'title':        video_title,
                                'stitle':       simple_title,
                                'ext':          video_extension.decode('utf-8'),
                                'format':       u'NA',
                                'player_url':   None,
                        })
-               except UnavailableFormatError:
-                       self._downloader.trouble(u'ERROR: format not available for video')
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class YoutubeSearchIE(InfoExtractor):
@@ -1664,7 +1697,7 @@ class YoutubeSearchIE(InfoExtractor):
        def report_download_page(self, query, pagenum):
                """Report attempt to download playlist page with given number."""
                query = query.decode(preferredencoding())
-               self._downloader.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+               self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
 
        def _real_initialize(self):
                self._youtube_ie.initialize()
@@ -1755,7 +1788,7 @@ class GoogleSearchIE(InfoExtractor):
        def report_download_page(self, query, pagenum):
                """Report attempt to download playlist page with given number."""
                query = query.decode(preferredencoding())
-               self._downloader.to_stdout(u'[video.google] query "%s": Downloading page %s' % (query, pagenum))
+               self._downloader.to_screen(u'[video.google] query "%s": Downloading page %s' % (query, pagenum))
 
        def _real_initialize(self):
                self._google_ie.initialize()
@@ -1846,7 +1879,7 @@ class YahooSearchIE(InfoExtractor):
        def report_download_page(self, query, pagenum):
                """Report attempt to download playlist page with given number."""
                query = query.decode(preferredencoding())
-               self._downloader.to_stdout(u'[video.yahoo] query "%s": Downloading page %s' % (query, pagenum))
+               self._downloader.to_screen(u'[video.yahoo] query "%s": Downloading page %s' % (query, pagenum))
 
        def _real_initialize(self):
                self._yahoo_ie.initialize()
@@ -1936,7 +1969,7 @@ class YoutubePlaylistIE(InfoExtractor):
 
        def report_download_page(self, playlist_id, pagenum):
                """Report attempt to download playlist page with given number."""
-               self._downloader.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
+               self._downloader.to_screen(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
 
        def _real_initialize(self):
                self._youtube_ie.initialize()
@@ -1973,6 +2006,10 @@ class YoutubePlaylistIE(InfoExtractor):
                                break
                        pagenum = pagenum + 1
 
+               playliststart = self._downloader.params.get('playliststart', 1) - 1
+               playlistend = self._downloader.params.get('playlistend', -1)
+               video_ids = video_ids[playliststart:playlistend]
+
                for id in video_ids:
                        self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
                return
@@ -1995,7 +2032,7 @@ class YoutubeUserIE(InfoExtractor):
 
        def report_download_page(self, username):
                """Report attempt to download user page."""
-               self._downloader.to_stdout(u'[youtube] user %s: Downloading page ' % (username))
+               self._downloader.to_screen(u'[youtube] user %s: Downloading page ' % (username))
 
        def _real_initialize(self):
                self._youtube_ie.initialize()
@@ -2028,6 +2065,10 @@ class YoutubeUserIE(InfoExtractor):
                                ids_in_page.append(mobj.group(1))
                video_ids.extend(ids_in_page)
 
+               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
@@ -2091,25 +2132,20 @@ if __name__ == '__main__':
                        if not os.access (filename, os.W_OK):
                                sys.exit('ERROR: no write permissions on %s' % filename)
 
-                       downloader.to_stdout('Updating to latest stable version...')
-                       latest_url = 'http://bitbucket.org/rg3/youtube-dl/raw/tip/LATEST_VERSION'
+                       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://bitbucket.org/rg3/youtube-dl/raw/%s/youtube-dl' % latest_version
+                       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_stdout('Updated to version %s' % latest_version)
-
-               # General configuration
-               urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
-               urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
-               socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
+                       downloader.to_screen('Updated to version %s' % latest_version)
 
                # Parse command line
                parser = optparse.OptionParser(
                        usage='Usage: %prog [options] url...',
-                       version='2010.06.06',
+                       version='2010.11.19',
                        conflict_handler='resolve',
                )
 
@@ -2125,6 +2161,10 @@ if __name__ == '__main__':
                                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',
@@ -2138,16 +2178,14 @@ if __name__ == '__main__':
                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('-b', '--best-quality',
-                               action='store_const', dest='format', help='download the best quality video possible', const='0')
                video_format.add_option('-m', '--mobile-version',
                                action='store_const', dest='format', help='alias for -f 17', const='17')
-               video_format.add_option('-d', '--high-def',
-                               action='store_const', dest='format', help='alias for -f 22', const='22')
                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 limit for -b')
+                               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')
@@ -2172,6 +2210,8 @@ if __name__ == '__main__':
                                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',
@@ -2180,10 +2220,29 @@ if __name__ == '__main__':
                                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')
+
+               # 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)
+
                # Batch file verification
                batchurls = []
                if opts.batchfile is not None:
@@ -2194,18 +2253,20 @@ if __name__ == '__main__':
                                        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]
+                               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):
-                       parser.error(u'using output template conflicts with using title or literal title')
+               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:
@@ -2220,6 +2281,18 @@ if __name__ == '__main__':
                                opts.retries = long(opts.retries)
                        except (TypeError, ValueError), err:
                                parser.error(u'invalid retry count specified')
+               try:
+                       opts.playliststart = long(opts.playliststart)
+                       if opts.playliststart <= 0:
+                               raise ValueError
+               except (TypeError, ValueError), err:
+                       parser.error(u'invalid playlist start number specified')
+               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()
@@ -2252,8 +2325,11 @@ if __name__ == '__main__':
                                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,
@@ -2261,6 +2337,9 @@ if __name__ == '__main__':
                        '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)
@@ -2289,6 +2368,14 @@ if __name__ == '__main__':
                        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)
 
        except DownloadError: