forked from minhngoc25a/youtube-dl
This commit is contained in:
Filippo Valsorda
parent
f03b88b3fb
commit
6324fd1d74
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@ -8,7 +8,7 @@ import json
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import os
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from youtube_dl.InfoExtractors import YoutubeUserIE,YoutubePlaylistIE
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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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PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
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@ -38,11 +38,8 @@ class TestYoutubeLists(unittest.TestCase):
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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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self.assertEqual(DL.result, [
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['http://www.youtube.com/watch?v=bV9L5Ht9LgY'],
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['http://www.youtube.com/watch?v=FXxLjLQi3Fg'],
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['http://www.youtube.com/watch?v=tU3Bgo5qJZE']
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])
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self.assertEqual(map(lambda x: YoutubeIE()._extract_id(x[0]), DL.result),
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[ 'bV9L5Ht9LgY', 'FXxLjLQi3Fg', 'tU3Bgo5qJZE' ])
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def test_youtube_playlist_long(self):
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DL = FakeDownloader()
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@ -50,14 +47,21 @@ class TestYoutubeLists(unittest.TestCase):
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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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def test_youtube_playlist_with_deleted(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=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC')
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self.assertFalse('pElCt5oNDuI' in map(lambda x: YoutubeIE()._extract_id(x[0]), DL.result))
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self.assertFalse('KdPEApIVdWM' in map(lambda x: YoutubeIE()._extract_id(x[0]), DL.result))
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def test_youtube_course(self):
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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(DL.result[0], ['http://www.youtube.com/watch?v=j9WZyLZCBzs'])
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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(DL.result[-1], ['http://www.youtube.com/watch?v=rYefUsYuEp0'])
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self.assertEqual(YoutubeIE()._extract_id(DL.result[-1][0]), '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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@ -15,6 +15,7 @@ import email.utils
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import xml.etree.ElementTree
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import random
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import math
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import operator
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from .utils import *
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@ -1662,22 +1663,40 @@ class YahooSearchIE(InfoExtractor):
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class YoutubePlaylistIE(InfoExtractor):
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"""Information Extractor for YouTube playlists."""
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_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_-]+))?.*'
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_TEMPLATE_URL = 'http://www.youtube.com/%s?%s=%s&page=%s&gl=US&hl=en'
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_VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&([^&"]+&)*list=.*?%s'
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_MORE_PAGES_INDICATOR = u"Next \N{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}"
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_VALID_URL = r"""(?:
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(?:https?://)?
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(?:\w+\.)?
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youtube\.com/
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(?:
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(?:course|view_play_list|my_playlists|artist|playlist)
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\? .*? (p|a|list)=
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| user/.*?/user/
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| p/
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| user/.*?#[pg]/c/
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)
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(?:PL|EC)?
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|PL|EC)
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([0-9A-Za-z-_]{10,})
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(?:/.*?/([0-9A-Za-z_-]+))?
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.*"""
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_TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json'
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_MAX_RESULTS = 50
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IE_NAME = u'youtube:playlist'
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def __init__(self, downloader=None):
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InfoExtractor.__init__(self, downloader)
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def suitable(self, url):
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"""Receives a URL and returns True if suitable for this IE."""
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return re.match(self._VALID_URL, url, re.VERBOSE) is not None
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def report_download_page(self, playlist_id, pagenum):
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"""Report attempt to download playlist page with given number."""
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self._downloader.to_screen(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
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def _real_extract(self, url):
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# Extract playlist id
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mobj = re.match(self._VALID_URL, url)
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mobj = re.match(self._VALID_URL, url, re.VERBOSE)
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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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@ -1687,55 +1706,51 @@ class YoutubePlaylistIE(InfoExtractor):
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self._downloader.download([mobj.group(3)])
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return
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# Download playlist pages
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# prefix is 'p' as default for playlists but there are other types that need extra care
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playlist_prefix = mobj.group(1)
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if playlist_prefix == 'a':
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playlist_access = 'artist'
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else:
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playlist_prefix = 'p'
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playlist_access = 'view_play_list'
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# Download playlist videos from API
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playlist_id = mobj.group(2)
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video_ids = []
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pagenum = 1
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page_num = 1
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videos = []
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while True:
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self.report_download_page(playlist_id, pagenum)
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url = self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum)
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request = compat_urllib_request.Request(url)
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self.report_download_page(playlist_id, page_num)
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url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, self._MAX_RESULTS * (page_num - 1) + 1)
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try:
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page = compat_urllib_request.urlopen(request).read().decode('utf-8')
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page = compat_urllib_request.urlopen(url).read().decode('utf8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
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return
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# Extract video identifiers
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ids_in_page = []
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for mobj in re.finditer(self._VIDEO_INDICATOR_TEMPLATE % playlist_id, page):
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if mobj.group(1) not in ids_in_page:
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ids_in_page.append(mobj.group(1))
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video_ids.extend(ids_in_page)
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try:
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response = json.loads(page)
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except ValueError as err:
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self._downloader.trouble(u'ERROR: Invalid JSON in API response: ' + compat_str(err))
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return
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if self._MORE_PAGES_INDICATOR not in page:
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videos += [(entry['yt$position']['$t'], entry['content']['src']) for entry in response['feed']['entry']]
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if len(response['feed']['entry']) < self._MAX_RESULTS:
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break
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pagenum = pagenum + 1
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page_num += 1
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total = len(video_ids)
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videos = map(operator.itemgetter(1), 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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video_ids = video_ids[playliststart:]
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videos = videos[playliststart:]
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else:
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video_ids = video_ids[playliststart:playlistend]
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videos = videos[playliststart:playlistend]
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if len(video_ids) == total:
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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(video_ids)))
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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 id in video_ids:
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self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
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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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