Merge branch 'extract_info_rewrite'
This commit is contained in:
Jaime Marquínez Ferrándiz
commit
dce9027045
4 changed files with 176 additions and 114 deletions
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@ -150,6 +150,8 @@ The `-o` option allows users to indicate a template for the output file names. T
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- `ext`: The sequence will be replaced by the appropriate extension (like flv or mp4).
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- `epoch`: The sequence will be replaced by the Unix epoch when creating the file.
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- `autonumber`: The sequence will be replaced by a five-digit number that will be increased with each download, starting at zero.
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- `playlist`: The name or the id of the playlist that contains the video.
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- `playlist_index`: The index of the video in the playlist, a five-digit number.
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The current default template is `%(id)s.%(ext)s`, but that will be switchted to `%(title)s-%(id)s.%(ext)s` (which can be requested with `-t` at the moment).
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@ -10,6 +10,7 @@ sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from youtube_dl.InfoExtractors import YoutubeUserIE, YoutubePlaylistIE, YoutubeIE
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from youtube_dl.utils import *
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from youtube_dl.FileDownloader import FileDownloader
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PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
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with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
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@ -22,7 +23,7 @@ proxy_handler = compat_urllib_request.ProxyHandler()
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opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
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compat_urllib_request.install_opener(opener)
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class FakeDownloader(object):
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class FakeDownloader(FileDownloader):
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def __init__(self):
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self.result = []
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self.params = parameters
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@ -30,35 +31,42 @@ class FakeDownloader(object):
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print(s)
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def trouble(self, s):
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raise Exception(s)
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def download(self, x):
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self.result.append(x)
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def extract_info(self, url):
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self.result.append(url)
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return url
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class TestYoutubeLists(unittest.TestCase):
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def assertIsPlaylist(self,info):
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"""Make sure the info has '_type' set to 'playlist'"""
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self.assertEqual(info['_type'], 'playlist')
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def test_youtube_playlist(self):
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dl = FakeDownloader()
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ie = YoutubePlaylistIE(dl)
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ie.extract('https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re')
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ytie_results = [YoutubeIE()._extract_id(r[0]) for r in dl.result]
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result = ie.extract('https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re')[0]
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self.assertIsPlaylist(result)
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ytie_results = [YoutubeIE()._extract_id(url['url']) for url in result['entries']]
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self.assertEqual(ytie_results, [ 'bV9L5Ht9LgY', 'FXxLjLQi3Fg', 'tU3Bgo5qJZE'])
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def test_issue_673(self):
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dl = FakeDownloader()
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ie = YoutubePlaylistIE(dl)
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ie.extract('PLBB231211A4F62143')
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self.assertTrue(len(dl.result) > 40)
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result = ie.extract('PLBB231211A4F62143')[0]
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self.assertTrue(len(result['entries']) > 40)
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def test_youtube_playlist_long(self):
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dl = FakeDownloader()
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ie = YoutubePlaylistIE(dl)
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ie.extract('https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q')
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self.assertTrue(len(dl.result) >= 799)
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result = ie.extract('https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q')[0]
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self.assertIsPlaylist(result)
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self.assertTrue(len(result['entries']) >= 799)
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def test_youtube_playlist_with_deleted(self):
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#651
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dl = FakeDownloader()
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ie = YoutubePlaylistIE(dl)
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ie.extract('https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC')
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ytie_results = [YoutubeIE()._extract_id(r[0]) for r in dl.result]
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result = ie.extract('https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC')[0]
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ytie_results = [YoutubeIE()._extract_id(url['url']) for url in result['entries']]
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self.assertFalse('pElCt5oNDuI' in ytie_results)
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self.assertFalse('KdPEApIVdWM' in ytie_results)
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@ -66,10 +74,11 @@ class TestYoutubeLists(unittest.TestCase):
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dl = FakeDownloader()
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ie = YoutubePlaylistIE(dl)
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# TODO find a > 100 (paginating?) videos course
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ie.extract('https://www.youtube.com/course?list=ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')
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self.assertEqual(YoutubeIE()._extract_id(dl.result[0][0]), 'j9WZyLZCBzs')
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self.assertEqual(len(dl.result), 25)
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self.assertEqual(YoutubeIE()._extract_id(dl.result[-1][0]), 'rYefUsYuEp0')
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result = ie.extract('https://www.youtube.com/course?list=ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')[0]
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entries = result['entries']
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self.assertEqual(YoutubeIE()._extract_id(entries[0]['url']), 'j9WZyLZCBzs')
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self.assertEqual(len(entries), 25)
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self.assertEqual(YoutubeIE()._extract_id(entries[-1]['url']), 'rYefUsYuEp0')
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def test_youtube_channel(self):
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# I give up, please find a channel that does paginate and test this like test_youtube_playlist_long
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@ -78,8 +87,8 @@ class TestYoutubeLists(unittest.TestCase):
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def test_youtube_user(self):
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dl = FakeDownloader()
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ie = YoutubeUserIE(dl)
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ie.extract('https://www.youtube.com/user/TheLinuxFoundation')
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self.assertTrue(len(dl.result) >= 320)
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result = ie.extract('https://www.youtube.com/user/TheLinuxFoundation')[0]
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self.assertTrue(len(result['entries']) >= 320)
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if __name__ == '__main__':
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unittest.main()
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@ -393,6 +393,8 @@ class FileDownloader(object):
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autonumber_size = 5
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autonumber_templ = u'%0' + str(autonumber_size) + u'd'
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template_dict['autonumber'] = autonumber_templ % self._num_downloads
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if template_dict['playlist_index'] is not None:
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template_dict['playlist_index'] = u'%05d' % template_dict['playlist_index']
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sanitize = lambda k,v: sanitize_filename(
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u'NA' if v is None else compat_str(v),
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@ -423,9 +425,109 @@ class FileDownloader(object):
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return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
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return None
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def extract_info(self, url, download = True):
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'''
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Returns a list with a dictionary for each video we find.
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If 'download', also downloads the videos.
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'''
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suitable_found = False
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for ie in self._ies:
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# Go to next InfoExtractor if not suitable
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if not ie.suitable(url):
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continue
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# Warn if the _WORKING attribute is False
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if not ie.working():
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self.to_stderr(u'WARNING: the program functionality for this site has been marked as broken, '
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u'and will probably not work. If you want to go on, use the -i option.')
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# Suitable InfoExtractor found
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suitable_found = True
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# Extract information from URL and process it
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try:
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ie_results = ie.extract(url)
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results = []
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for ie_result in ie_results:
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if not 'extractor' in ie_result:
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#The extractor has already been set somewhere else
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ie_result['extractor'] = ie.IE_NAME
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results.append(self.process_ie_result(ie_result, download))
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return results
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except ExtractorError as de: # An error we somewhat expected
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self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback())
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break
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except Exception as e:
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if self.params.get('ignoreerrors', False):
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self.trouble(u'ERROR: ' + compat_str(e), tb=compat_str(traceback.format_exc()))
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break
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else:
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raise
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if not suitable_found:
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self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url)
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def process_ie_result(self, ie_result, download = True):
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"""
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Take the result of the ie and return a list of videos.
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For url elements it will search the suitable ie and get the videos
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For playlist elements it will process each of the elements of the 'entries' key
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It will also download the videos if 'download'.
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"""
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result_type = ie_result.get('_type', 'video') #If not given we suppose it's a video, support the dafault old system
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if result_type == 'video':
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if 'playlist' not in ie_result:
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#It isn't part of a playlist
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ie_result['playlist'] = None
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ie_result['playlist_index'] = None
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if download:
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#Do the download:
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self.process_info(ie_result)
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return ie_result
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elif result_type == 'url':
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#We get the video pointed by the url
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result = self.extract_info(ie_result['url'], download)[0]
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return result
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elif result_type == 'playlist':
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#We process each entry in the playlist
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playlist = ie_result.get('title', None) or ie_result.get('id', None)
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self.to_screen(u'[download] Downloading playlist: %s' % playlist)
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playlist_results = []
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n_all_entries = len(ie_result['entries'])
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playliststart = self.params.get('playliststart', 1) - 1
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playlistend = self.params.get('playlistend', -1)
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if playlistend == -1:
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entries = ie_result['entries'][playliststart:]
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else:
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entries = ie_result['entries'][playliststart:playlistend]
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n_entries = len(entries)
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self.to_screen(u"[%s] playlist '%s': Collected %d video ids (downloading %d of them)" %
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(ie_result['extractor'], playlist, n_all_entries, n_entries))
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for i,entry in enumerate(entries,1):
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self.to_screen(u'[download] Downloading video #%s of %s' %(i, n_entries))
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entry_result = self.process_ie_result(entry, False)
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entry_result['playlist'] = playlist
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entry_result['playlist_index'] = i + playliststart
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#We must do the download here to correctly set the 'playlist' key
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if download:
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self.process_info(entry_result)
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playlist_results.append(entry_result)
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result = ie_result.copy()
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result['entries'] = playlist_results
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return result
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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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#We increment the download the download count here to match the previous behaviour.
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self.increment_downloads()
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info_dict['fulltitle'] = info_dict['title']
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if len(info_dict['title']) > 200:
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info_dict['title'] = info_dict['title'][:197] + u'...'
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@ -564,53 +666,14 @@ class FileDownloader(object):
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raise SameFileError(self.params['outtmpl'])
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for url in url_list:
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suitable_found = False
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for ie in self._ies:
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# Go to next InfoExtractor if not suitable
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if not ie.suitable(url):
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continue
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# Warn if the _WORKING attribute is False
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if not ie.working():
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self.report_warning(u'the program functionality for this site has been marked as broken, '
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u'and will probably not work. If you want to go on, use the -i option.')
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# Suitable InfoExtractor found
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suitable_found = True
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# Extract information from URL and process it
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try:
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videos = ie.extract(url)
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except ExtractorError as de: # An error we somewhat expected
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self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback())
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break
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#It also downloads the videos
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videos = self.extract_info(url)
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except UnavailableVideoError:
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self.trouble(u'\nERROR: unable to download video')
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except MaxDownloadsReached:
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self.to_screen(u'[info] Maximum number of downloaded files reached.')
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raise
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except Exception as e:
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if self.params.get('ignoreerrors', False):
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self.report_error(u'' + compat_str(e), tb=compat_str(traceback.format_exc()))
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break
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else:
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raise
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if len(videos or []) > 1 and self.fixed_template():
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raise SameFileError(self.params['outtmpl'])
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for video in videos or []:
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video['extractor'] = ie.IE_NAME
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try:
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self.increment_downloads()
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self.process_info(video)
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except UnavailableVideoError:
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self.to_stderr(u"\n")
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self.report_error(u'unable to download video')
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# Suitable InfoExtractor had been found; go to next URL
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break
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if not suitable_found:
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self.report_error(u'no suitable InfoExtractor: %s' % url)
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return self._download_retcode
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@ -144,6 +144,28 @@ class InfoExtractor(object):
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self._downloader.to_screen(dump)
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return webpage_bytes.decode(encoding, 'replace')
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#Methods for following #608
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#They set the correct value of the '_type' key
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def video_result(self, video_info):
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"""Returns a video"""
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video_info['_type'] = 'video'
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return video_info
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def url_result(self, url, ie=None):
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"""Returns a url that points to a page that should be processed"""
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#TODO: ie should be the class used for getting the info
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video_info = {'_type': 'url',
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'url': url}
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return video_info
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def playlist_result(self, entries, playlist_id=None, playlist_title=None):
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"""Returns a playlist"""
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video_info = {'_type': 'playlist',
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'entries': entries}
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if playlist_id:
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video_info['id'] = playlist_id
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if playlist_title:
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video_info['title'] = playlist_title
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return video_info
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class YoutubeIE(InfoExtractor):
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"""Information extractor for youtube.com."""
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@ -706,8 +728,7 @@ class MetacafeIE(InfoExtractor):
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# Check if video comes from YouTube
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mobj2 = re.match(r'^yt-(.*)$', video_id)
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if mobj2 is not None:
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self._downloader.download(['http://www.youtube.com/watch?v=%s' % mobj2.group(1)])
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return
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return [self.url_result('http://www.youtube.com/watch?v=%s' % mobj2.group(1))]
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# Retrieve video webpage to extract further information
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request = compat_urllib_request.Request('http://www.metacafe.com/watch/%s/' % video_id)
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@ -1348,7 +1369,7 @@ class GenericIE(InfoExtractor):
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self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
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def _test_redirect(self, url):
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"""Check if it is a redirect, like url shorteners, in case restart chain."""
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"""Check if it is a redirect, like url shorteners, in case return the new url."""
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class HeadRequest(compat_urllib_request.Request):
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def get_method(self):
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return "HEAD"
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@ -1399,11 +1420,11 @@ class GenericIE(InfoExtractor):
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return False
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self.report_following_redirect(new_url)
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self._downloader.download([new_url])
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return True
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return new_url
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def _real_extract(self, url):
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if self._test_redirect(url): return
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new_url = self._test_redirect(url)
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if new_url: return [self.url_result(new_url)]
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video_id = url.split('/')[-1]
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try:
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@ -1794,23 +1815,9 @@ class YoutubePlaylistIE(InfoExtractor):
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page_num += 1
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videos = [v[1] for v in sorted(videos)]
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total = len(videos)
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playliststart = self._downloader.params.get('playliststart', 1) - 1
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playlistend = self._downloader.params.get('playlistend', -1)
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if playlistend == -1:
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videos = videos[playliststart:]
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else:
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videos = videos[playliststart:playlistend]
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if len(videos) == total:
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self._downloader.to_screen(u'[youtube] PL %s: Found %i videos' % (playlist_id, total))
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else:
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self._downloader.to_screen(u'[youtube] PL %s: Found %i videos, downloading %i' % (playlist_id, total, len(videos)))
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for video in videos:
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self._downloader.download([video])
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return
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url_results = [self.url_result(url) for url in videos]
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return [self.playlist_result(url_results, playlist_id)]
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class YoutubeChannelIE(InfoExtractor):
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@ -1860,9 +1867,9 @@ class YoutubeChannelIE(InfoExtractor):
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self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
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for id in video_ids:
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self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
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return
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urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
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url_entries = [self.url_result(url) for url in urls]
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return [self.playlist_result(url_entries, channel_id)]
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class YoutubeUserIE(InfoExtractor):
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@ -1932,20 +1939,9 @@ class YoutubeUserIE(InfoExtractor):
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pagenum += 1
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all_ids_count = len(video_ids)
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playliststart = self._downloader.params.get('playliststart', 1) - 1
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playlistend = self._downloader.params.get('playlistend', -1)
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if playlistend == -1:
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video_ids = video_ids[playliststart:]
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else:
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video_ids = video_ids[playliststart:playlistend]
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self._downloader.to_screen(u"[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._downloader.download(['http://www.youtube.com/watch?v=%s' % video_id])
|
||||
urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
|
||||
url_results = [self.url_result(url) for url in urls]
|
||||
return [self.playlist_result(url_results, playlist_title = username)]
|
||||
|
||||
|
||||
class BlipTVUserIE(InfoExtractor):
|
||||
|
|
@ -2023,20 +2019,12 @@ class BlipTVUserIE(InfoExtractor):
|
|||
|
||||
pagenum += 1
|
||||
|
||||
all_ids_count = len(video_ids)
|
||||
playliststart = self._downloader.params.get('playliststart', 1) - 1
|
||||
playlistend = self._downloader.params.get('playlistend', -1)
|
||||
|
||||
if playlistend == -1:
|
||||
video_ids = video_ids[playliststart:]
|
||||
else:
|
||||
video_ids = video_ids[playliststart:playlistend]
|
||||
|
||||
self._downloader.to_screen(u"[%s] user %s: Collected %d video ids (downloading %d of them)" %
|
||||
(self.IE_NAME, username, all_ids_count, len(video_ids)))
|
||||
|
||||
for video_id in video_ids:
|
||||
self._downloader.download([u'http://blip.tv/'+video_id])
|
||||
urls = [u'http://blip.tv/%s' % video_id for video_id in video_ids]
|
||||
url_entries = [self.url_result(url) for url in urls]
|
||||
return [self.playlist_result(url_entries, playlist_title = username)]
|
||||
|
||||
|
||||
class DepositFilesIE(InfoExtractor):
|
||||
|
|
|
|||
Loading…
Reference in a new issue