Partially rewrite YouTube InfoExtractor after it stopped working
As part of the changes, the program now downloads the highest quality version by default and uses fmt_url_map to decide which formats are really available.pull/15/head
Ricardo Garcia
parent
460d8acbaa
commit
497cd3e68e
241
youtube-dl
241
youtube-dl
|
|
@ -688,8 +688,8 @@ class YoutubeIE(InfoExtractor):
|
|||
_LOGIN_URL = 'http://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',
|
||||
|
|
@ -812,124 +812,109 @@ 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
|
||||
# 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)
|
||||
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
|
||||
|
||||
# Attempt to extract SWF player URL
|
||||
mobj = re.search(r'swfConfig.*"(http://.*?watch.*?-.*?\.swf)"', video_webpage)
|
||||
if mobj is not None:
|
||||
player_url = 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_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)
|
||||
|
||||
# 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])
|
||||
|
||||
# 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)
|
||||
|
||||
# Decide which formats to download
|
||||
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:
|
||||
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
|
||||
requested_format = self._downloader.params.get('format', None)
|
||||
if requested_format is None:
|
||||
video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
|
||||
elif requested_format == '-1':
|
||||
video_url_list = url_map.items() # All formats
|
||||
else:
|
||||
if requested_format not in existing_formats:
|
||||
self._downloader.trouble(u'ERROR: format not available for video')
|
||||
return
|
||||
video_url_list = [(requested_format, url_map[requested_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])]
|
||||
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()
|
||||
|
||||
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' % 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
|
||||
|
||||
# Attempt to extract SWF player URL
|
||||
mobj = re.search(r'swfConfig.*"(http://.*?watch.*?-.*?\.swf)"', video_webpage)
|
||||
if mobj is not None:
|
||||
player_url = 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_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')
|
||||
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])
|
||||
|
||||
# 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)
|
||||
|
||||
# Find the video URL in fmt_url_map or conn paramters
|
||||
try:
|
||||
# Process video information
|
||||
self._downloader.process_info({
|
||||
|
|
@ -944,32 +929,8 @@ 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')
|
||||
|
||||
|
||||
class MetacafeIE(InfoExtractor):
|
||||
|
|
|
|||
Loading…
Reference in New Issue