mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-23 00:16:48 +00:00
Add YoutubePlaylistIE class
This commit is contained in:
parent
020f7150aa
commit
0c2dc87d9e
62
youtube-dl
62
youtube-dl
@ -676,6 +676,66 @@ class MetacafeIE(InfoExtractor):
|
||||
'ext': video_extension,
|
||||
}]
|
||||
|
||||
class YoutubePlaylistIE(InfoExtractor):
|
||||
"""Information Extractor for YouTube playlists."""
|
||||
|
||||
_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/view_play_list\?p=(.+)'
|
||||
_TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s'
|
||||
_VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
|
||||
_MORE_PAGES_INDICATOR = r'class="pagerNotCurrent">Next</a>'
|
||||
_youtube_ie = None
|
||||
|
||||
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."""
|
||||
self.to_stdout('[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
|
||||
|
||||
def _real_initialize(self):
|
||||
self._youtube_ie.initialize()
|
||||
|
||||
def _real_extract(self, url):
|
||||
# Extract playlist id
|
||||
mobj = re.match(self._VALID_URL, url)
|
||||
if mobj is None:
|
||||
self.to_stderr('ERROR: invalid url: %s' % url)
|
||||
return [None]
|
||||
|
||||
# Download playlist pages
|
||||
playlist_id = mobj.group(1)
|
||||
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)
|
||||
try:
|
||||
page = urllib2.urlopen(request).read()
|
||||
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
|
||||
self.to_stderr('ERROR: unable to download webpage: %s' % str(err))
|
||||
return [None]
|
||||
|
||||
# Extract video identifiers
|
||||
ids_in_page = set()
|
||||
for mobj in re.finditer(self._VIDEO_INDICATOR, page):
|
||||
ids_in_page.add(mobj.group(1))
|
||||
video_ids.extend(list(ids_in_page))
|
||||
|
||||
if self._MORE_PAGES_INDICATOR not in page:
|
||||
break
|
||||
pagenum = pagenum + 1
|
||||
|
||||
information = []
|
||||
for id in video_ids:
|
||||
information.extend(self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id))
|
||||
return information
|
||||
|
||||
if __name__ == '__main__':
|
||||
try:
|
||||
# Modules needed only when running the main program
|
||||
@ -751,6 +811,7 @@ if __name__ == '__main__':
|
||||
# Information extractors
|
||||
youtube_ie = YoutubeIE()
|
||||
metacafe_ie = MetacafeIE(youtube_ie)
|
||||
youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
|
||||
|
||||
# File downloader
|
||||
fd = FileDownloader({
|
||||
@ -769,6 +830,7 @@ if __name__ == '__main__':
|
||||
'ignoreerrors': opts.ignoreerrors,
|
||||
'ratelimit': opts.ratelimit,
|
||||
})
|
||||
fd.add_info_extractor(youtube_pl_ie)
|
||||
fd.add_info_extractor(metacafe_ie)
|
||||
fd.add_info_extractor(youtube_ie)
|
||||
retcode = fd.download(args)
|
||||
|
Loading…
Reference in New Issue
Block a user