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Add YoutubeUserIE (code courtesy of Paweł Paprota)

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Ricardo Garcia 2011-01-29 11:55:20 +01:00
parent 6025795d95
commit 5aba6ea4fe
1 changed files with 56 additions and 23 deletions
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youtube-dl
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@ -5,6 +5,7 @@
# Author: Benjamin Johnson
# Author: Vasyl' Vavrychuk
# Author: Witold Baryluk
# Author: Paweł Paprota
# License: Public domain code
import cookielib
import ctypes
@ -2159,9 +2160,11 @@ class YoutubePlaylistIE(InfoExtractor):
class YoutubeUserIE(InfoExtractor):
"""Information Extractor for YouTube users."""
_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/user/(.*)'
_VALID_URL = r'(?:(?:(?:http://)?(?:\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
def __init__(self, youtube_ie, downloader=None):
@ -2172,9 +2175,10 @@ class YoutubeUserIE(InfoExtractor):
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()
@ -2186,34 +2190,63 @@ 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))
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)
# Extract video identifiers
ids_in_page = []
request = urllib2.Request(self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index))
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)
try:
page = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
return
# Extract video identifiers
ids_in_page = []
for mobj in re.finditer(self._VIDEO_INDICATOR, page):
if mobj.group(1) not in ids_in_page:
ids_in_page.append(mobj.group(1))
video_ids.extend(ids_in_page)
# A little optimization - if current page is not
# "full", ie. does not contain PAGE_SIZE video ids then
# we can assume that this page is the last one - there
# are no more ids on further pages - no need to query
# again.
if len(ids_in_page) < self._GDATA_PAGE_SIZE:
break
pagenum += 1
all_ids_count = len(video_ids)
playliststart = self._downloader.params.get('playliststart', 1) - 1
playlistend = self._downloader.params.get('playlistend', -1)
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"""