weboob-devel/weboob/backends/youtube/backend.py
2010-11-01 23:21:37 +01:00

107 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
# Copyright(C) 2010 Christophe Benz, Romain Bignon
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
from __future__ import with_statement
import datetime
try:
import gdata.youtube.service
except ImportError:
raise ImportError("Missing dependence: python-gdata")
from weboob.capabilities.video import ICapVideo
from weboob.tools.backend import BaseBackend, ObjectNotAvailable
from weboob.tools.misc import to_unicode
from .browser import YoutubeBrowser
from .pages import ForbiddenVideo
from .video import YoutubeVideo
__all__ = ['YoutubeBackend']
class YoutubeBackend(BaseBackend, ICapVideo):
NAME = 'youtube'
MAINTAINER = 'Christophe Benz'
EMAIL = 'christophe.benz@gmail.com'
VERSION = '0.4'
DESCRIPTION = 'Youtube videos website'
LICENSE = 'GPLv3'
BROWSER = YoutubeBrowser
def get_video(self, _id):
with self.browser:
try:
return self.browser.get_video(_id)
except ForbiddenVideo, e:
raise ObjectNotAvailable(e)
def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
YOUTUBE_MAX_RESULTS = 50
YOUTUBE_MAX_START_INDEX = 1000
yt_service = gdata.youtube.service.YouTubeService()
start_index = 1
nb_yielded = 0
while True:
query = gdata.youtube.service.YouTubeVideoQuery()
if pattern is not None:
query.vq = pattern
query.orderby = ('relevance', 'rating', 'viewCount', 'published')[sortby]
query.racy = 'include' if nsfw else 'exclude'
if max_results is None or max_results > YOUTUBE_MAX_RESULTS:
query_max_results = YOUTUBE_MAX_RESULTS
else:
query_max_results = max_results
query.max_results = query_max_results
if start_index > YOUTUBE_MAX_START_INDEX:
return
query.start_index = start_index
start_index += query_max_results
feed = yt_service.YouTubeQuery(query)
for entry in feed.entry:
video = YoutubeVideo(to_unicode(entry.id.text.split('/')[-1].strip()),
title=to_unicode(entry.media.title.text.strip()),
duration=to_unicode(datetime.timedelta(seconds=int(entry.media.duration.seconds.strip()))),
thumbnail_url=to_unicode(entry.media.thumbnail[0].url.strip()),
)
if entry.media.name:
video.author = to_unicode(entry.media.name.text.strip())
yield video
nb_yielded += 1
if nb_yielded == max_results:
return
def fill_video(self, video, fields):
if fields != ['thumbnail']:
# if we don't want only the thumbnail, we probably want also every fields
with self.browser:
try:
video = self.browser.get_video(video.id, video)
except ForbiddenVideo, e:
raise ObjectNotAvailable(e)
if 'thumbnail' in fields:
with self.browser:
video.thumbnail.data = self.browser.readurl(video.thumbnail.url)
return video
OBJECTS = {YoutubeVideo: fill_video}