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Switch YTPlaylistIE to API (relevant: #586); fixes #651; fixes #673; fixes #661

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This commit is contained in:
Filippo Valsorda
2013-02-26 10:39:26 +01:00
parent f03b88b3fb
commit 6324fd1d74
2 changed files with 71 additions and 52 deletions
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103
youtube_dl/InfoExtractors.py
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@@ -15,6 +15,7 @@ import email.utils
import xml.etree.ElementTree
import random
import math
import operator
from .utils import *
@@ -1662,22 +1663,40 @@ class YahooSearchIE(InfoExtractor):
class YoutubePlaylistIE(InfoExtractor):
"""Information Extractor for YouTube playlists."""
_VALID_URL = r'(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL|EC)?|PL|EC)([0-9A-Za-z-_]{10,})(?:/.*?/([0-9A-Za-z_-]+))?.*'
_TEMPLATE_URL = 'http://www.youtube.com/%s?%s=%s&page=%s&gl=US&hl=en'
_VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&([^&"]+&)*list=.*?%s'
_MORE_PAGES_INDICATOR = u"Next \N{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}"
_VALID_URL = r"""(?:
(?:https?://)?
(?:\w+\.)?
youtube\.com/
(?:
(?:course|view_play_list|my_playlists|artist|playlist)
\? .*? (p|a|list)=
| user/.*?/user/
| p/
| user/.*?#[pg]/c/
)
(?:PL|EC)?
|PL|EC)
([0-9A-Za-z-_]{10,})
(?:/.*?/([0-9A-Za-z_-]+))?
.*"""
_TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json'
_MAX_RESULTS = 50
IE_NAME = u'youtube:playlist'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def suitable(self, url):
"""Receives a URL and returns True if suitable for this IE."""
return re.match(self._VALID_URL, url, re.VERBOSE) is not None
def report_download_page(self, playlist_id, pagenum):
"""Report attempt to download playlist page with given number."""
self._downloader.to_screen(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
def _real_extract(self, url):
# Extract playlist id
mobj = re.match(self._VALID_URL, url)
mobj = re.match(self._VALID_URL, url, re.VERBOSE)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid url: %s' % url)
return
@@ -1687,55 +1706,51 @@ class YoutubePlaylistIE(InfoExtractor):
self._downloader.download([mobj.group(3)])
return
# Download playlist pages
# prefix is 'p' as default for playlists but there are other types that need extra care
playlist_prefix = mobj.group(1)
if playlist_prefix == 'a':
playlist_access = 'artist'
else:
playlist_prefix = 'p'
playlist_access = 'view_play_list'
# Download playlist videos from API
playlist_id = mobj.group(2)
video_ids = []
pagenum = 1
page_num = 1
videos = []
while True:
self.report_download_page(playlist_id, pagenum)
url = self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum)
request = compat_urllib_request.Request(url)
self.report_download_page(playlist_id, page_num)
url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, self._MAX_RESULTS * (page_num - 1) + 1)
try:
page = compat_urllib_request.urlopen(request).read().decode('utf-8')
page = compat_urllib_request.urlopen(url).read().decode('utf8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
return
# Extract video identifiers
ids_in_page = []
for mobj in re.finditer(self._VIDEO_INDICATOR_TEMPLATE % playlist_id, page):
if mobj.group(1) not in ids_in_page:
ids_in_page.append(mobj.group(1))
video_ids.extend(ids_in_page)
try:
response = json.loads(page)
except ValueError as err:
self._downloader.trouble(u'ERROR: Invalid JSON in API response: ' + compat_str(err))
return
if self._MORE_PAGES_INDICATOR not in page:
videos += [(entry['yt$position']['$t'], entry['content']['src']) for entry in response['feed']['entry']]
if len(response['feed']['entry']) < self._MAX_RESULTS:
break
pagenum = pagenum + 1
page_num += 1
total = len(video_ids)
videos = map(operator.itemgetter(1), sorted(videos))
total = len(videos)
playliststart = self._downloader.params.get('playliststart', 1) - 1
playlistend = self._downloader.params.get('playlistend', -1)
if playlistend == -1:
video_ids = video_ids[playliststart:]
videos = videos[playliststart:]
else:
video_ids = video_ids[playliststart:playlistend]
videos = videos[playliststart:playlistend]
if len(video_ids) == total:
if len(videos) == total:
self._downloader.to_screen(u'[youtube] PL %s: Found %i videos' % (playlist_id, total))
else:
self._downloader.to_screen(u'[youtube] PL %s: Found %i videos, downloading %i' % (playlist_id, total, len(video_ids)))
self._downloader.to_screen(u'[youtube] PL %s: Found %i videos, downloading %i' % (playlist_id, total, len(videos)))
for id in video_ids:
self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
for video in videos:
self._downloader.download([video])
return
@@ -3605,9 +3620,9 @@ class TweetReelIE(InfoExtractor):
'upload_date': upload_date
}
return [info]
class SteamIE(InfoExtractor):
_VALID_URL = r"""http://store.steampowered.com/
_VALID_URL = r"""http://store.steampowered.com/
(?P<urltype>video|app)/ #If the page is only for videos or for a game
(?P<gameID>\d+)/?
(?P<videoID>\d*)(?P<extra>\??) #For urltype == video we sometimes get the videoID
@@ -3707,7 +3722,7 @@ class RBMARadioIE(InfoExtractor):
class YouPornIE(InfoExtractor):
"""Information extractor for youporn.com."""
_VALID_URL = r'^(?:https?://)?(?:\w+\.)?youporn\.com/watch/(?P<videoid>[0-9]+)/(?P<title>[^/]+)'
def _print_formats(self, formats):
"""Print all available formats"""
print(u'Available formats:')
@@ -3769,8 +3784,8 @@ class YouPornIE(InfoExtractor):
links = re.findall(LINK_RE, download_list_html)
if(len(links) == 0):
raise ExtractorError(u'ERROR: no known formats available for video')
self._downloader.to_screen(u'[youporn] Links found: %d' % len(links))
self._downloader.to_screen(u'[youporn] Links found: %d' % len(links))
formats = []
for link in links:
@@ -3821,7 +3836,7 @@ class YouPornIE(InfoExtractor):
return
return [format]
class PornotubeIE(InfoExtractor):
"""Information extractor for pornotube.com."""
@@ -3893,7 +3908,7 @@ class YouJizzIE(InfoExtractor):
embed_page_url = result.group(0).strip()
video_id = result.group('videoid')
webpage = self._download_webpage(embed_page_url, video_id)
# Get the video URL
@@ -4053,7 +4068,7 @@ class TEDIE(InfoExtractor):
class MySpassIE(InfoExtractor):
_VALID_URL = r'http://www.myspass.de/.*'
def _real_extract(self, url):
META_DATA_URL_TEMPLATE = 'http://www.myspass.de/myspass/includes/apps/video/getvideometadataxml.php?id=%s'
@@ -4063,12 +4078,12 @@ class MySpassIE(InfoExtractor):
url_parent_path, video_id = os.path.split(url_path)
if not video_id:
_, video_id = os.path.split(url_parent_path)
# get metadata
metadata_url = META_DATA_URL_TEMPLATE % video_id
metadata_text = self._download_webpage(metadata_url, video_id)
metadata = xml.etree.ElementTree.fromstring(metadata_text.encode('utf-8'))
# extract values from metadata
url_flv_el = metadata.find('url_flv')
if url_flv_el is None: