154 lines
5.4 KiB
Python
154 lines
5.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2010-2011 Christophe Benz, Romain Bignon
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#
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# This file is part of weboob.
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#
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# weboob is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# weboob is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with weboob. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import with_statement
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import datetime
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import gdata.youtube.service
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import re
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import urllib
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from weboob.capabilities.base import NotAvailable
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from weboob.capabilities.video import ICapVideo
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from weboob.tools.capabilities.thumbnail import Thumbnail
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from weboob.tools.backend import BaseBackend, BackendConfig
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from weboob.tools.misc import to_unicode
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from weboob.tools.value import ValueBackendPassword, Value
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from .browser import YoutubeBrowser
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from .video import YoutubeVideo
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__all__ = ['YoutubeBackend']
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class YoutubeBackend(BaseBackend, ICapVideo):
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NAME = 'youtube'
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MAINTAINER = 'Christophe Benz'
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EMAIL = 'christophe.benz@gmail.com'
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VERSION = '0.b'
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DESCRIPTION = 'YouTube video streaming website'
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LICENSE = 'AGPLv3+'
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BROWSER = YoutubeBrowser
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CONFIG = BackendConfig(Value('username', label='Email address', default=''),
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ValueBackendPassword('password', label='Password', default=''))
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URL_RE = re.compile(r'^https?://(?:\w*\.?youtube\.com/(?:watch\?v=|v/)|youtu\.be\/|\w*\.?youtube\.com\/user\/\w+#p\/u\/\d+\/)([^\?&]+)')
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def create_default_browser(self):
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password = None
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username = self.config['username'].get()
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if len(username) > 0:
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password = self.config['password'].get()
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return self.create_browser(username, password)
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def _entry2video(self, entry):
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"""
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Parse an entry returned by gdata and return a Video object.
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"""
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video = YoutubeVideo(to_unicode(entry.id.text.split('/')[-1].strip()))
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video.title = to_unicode(entry.media.title.text.strip())
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video.duration = datetime.timedelta(seconds=int(entry.media.duration.seconds.strip()))
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video.thumbnail = Thumbnail(to_unicode(entry.media.thumbnail[0].url.strip()))
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if entry.author[0].name.text:
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video.author = entry.author[0].name.text.strip()
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if entry.media.name:
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video.author = to_unicode(entry.media.name.text.strip())
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return video
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def _set_video_url(self, video):
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"""
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In the case of a download, if the user-chosen format is not
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available, the next available format will be used.
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Much of the code for this method is borrowed from youtubeservice.py of Cutetube
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http://maemo.org/packages/view/cutetube/.
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"""
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if video.url:
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return
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player_url = YoutubeVideo.id2url(video.id)
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with self.browser:
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url, ext = self.browser.get_video_url(player_url)
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video.url = url
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video.ext = ext
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def get_video(self, _id):
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m = self.URL_RE.match(_id)
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if m:
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_id = m.group(1)
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yt_service = gdata.youtube.service.YouTubeService()
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try:
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entry = yt_service.GetYouTubeVideoEntry(video_id=_id)
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except gdata.service.Error, e:
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if e.args[0]['status'] == 400:
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return None
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raise
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video = self._entry2video(entry)
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self._set_video_url(video)
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video.set_empty_fields(NotAvailable)
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return video
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def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
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YOUTUBE_MAX_RESULTS = 50
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YOUTUBE_MAX_START_INDEX = 1000
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yt_service = gdata.youtube.service.YouTubeService()
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start_index = 1
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nb_yielded = 0
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while True:
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query = gdata.youtube.service.YouTubeVideoQuery()
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if pattern is not None:
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if isinstance(pattern, unicode):
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pattern = pattern.encode('utf-8')
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query.vq = pattern
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query.orderby = ('relevance', 'rating', 'viewCount', 'published')[sortby]
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query.racy = 'include' if nsfw else 'exclude'
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if max_results is None or max_results > YOUTUBE_MAX_RESULTS:
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query_max_results = YOUTUBE_MAX_RESULTS
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else:
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query_max_results = max_results
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query.max_results = query_max_results
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if start_index > YOUTUBE_MAX_START_INDEX:
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return
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query.start_index = start_index
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start_index += query_max_results
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feed = yt_service.YouTubeQuery(query)
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for entry in feed.entry:
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yield self._entry2video(entry)
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nb_yielded += 1
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if nb_yielded == max_results:
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return
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def fill_video(self, video, fields):
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if 'thumbnail' in fields:
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video.thumbnail.data = urllib.urlopen(video.thumbnail.url).read()
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if 'url' in fields:
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self._set_video_url(video)
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return video
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OBJECTS = {YoutubeVideo: fill_video}
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