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OpenClassRoom videos (#234)
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1 changed files with 73 additions and 0 deletions
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@ -711,6 +711,25 @@ class FileDownloader(object):
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return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
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return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
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return None
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return None
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def process_dict(self, info_dict):
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""" Download and handle the extracted information.
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For details on the specification of the various types of content, refer to the _process_* functions. """
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if info_dict['type'] == 'playlist':
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self._process_playlist(info_dict)
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elif info_dict['type'] == 'legacy-video':
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self.process_info(info_dict)
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else:
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raise ValueError('Invalid item type')
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def _process_playlist(self, info_dict):
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assert info_dict['type'] == 'playlist'
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assert 'title' in info_dict
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assert 'stitle' in info_dict
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entries = info_dict['list']
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for e in entries:
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self.process_dict(e)
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def process_info(self, info_dict):
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def process_info(self, info_dict):
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"""Process a single dictionary returned by an InfoExtractor."""
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"""Process a single dictionary returned by an InfoExtractor."""
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@ -3744,6 +3763,59 @@ class MixcloudIE(InfoExtractor):
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except UnavailableVideoError, err:
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except UnavailableVideoError, err:
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self._downloader.trouble(u'ERROR: unable to download file')
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self._downloader.trouble(u'ERROR: unable to download file')
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class StanfordOpenClassroomIE(InfoExtractor):
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"""Information extractor for Stanford's Open ClassRoom"""
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_VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
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IE_NAME = u'stanfordoc'
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def report_extraction(self, video_id):
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"""Report information extraction."""
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self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
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return
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if mobj.group('course') and mobj.group('video'): # A specific video
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course = mobj.group('course')
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video = mobj.group('video')
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info = {
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'id': _simplify_title(course + '_' + video),
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}
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self.report_extraction(info['id'])
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baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
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xmlUrl = baseUrl + video + '.xml'
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try:
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metaXml = urllib2.urlopen(xmlUrl).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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self._downloader.trouble(u'ERROR: unable to download video info XML: %s' % str(err))
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return
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mdoc = xml.etree.ElementTree.fromstring(metaXml)
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try:
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info['title'] = mdoc.findall('./title')[0].text
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info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
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except IndexError:
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self._downloader.trouble(u'\nERROR: Invalid metadata XML file')
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return
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info['stitle'] = _simplify_title(info['title'])
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info['ext'] = info['url'].rpartition('.')[2]
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info['format'] = info['ext']
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self._downloader.increment_downloads()
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try:
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self._downloader.process_info(info)
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except UnavailableVideoError, err:
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self._downloader.trouble(u'\nERROR: unable to download video')
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else:
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print('TODO: Not yet implemented')
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1/0
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class PostProcessor(object):
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class PostProcessor(object):
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@ -4166,6 +4238,7 @@ def gen_extractors():
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SoundcloudIE(),
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SoundcloudIE(),
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InfoQIE(),
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InfoQIE(),
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MixcloudIE(),
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MixcloudIE(),
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StanfordOpenClassroomIE(),
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GenericIE()
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GenericIE()
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]
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]
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