youtube-dl

Another place where youtube-dl lives on
git clone git://git.oshgnacknak.de/youtube-dl.git
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googledrive.py (10892B)


      1 from __future__ import unicode_literals
      2 
      3 import re
      4 
      5 from .common import InfoExtractor
      6 from ..compat import compat_parse_qs
      7 from ..utils import (
      8     determine_ext,
      9     ExtractorError,
     10     get_element_by_class,
     11     int_or_none,
     12     lowercase_escape,
     13     try_get,
     14     update_url_query,
     15 )
     16 
     17 
     18 class GoogleDriveIE(InfoExtractor):
     19     _VALID_URL = r'''(?x)
     20                         https?://
     21                             (?:
     22                                 (?:docs|drive)\.google\.com/
     23                                 (?:
     24                                     (?:uc|open)\?.*?id=|
     25                                     file/d/
     26                                 )|
     27                                 video\.google\.com/get_player\?.*?docid=
     28                             )
     29                             (?P<id>[a-zA-Z0-9_-]{28,})
     30                     '''
     31     _TESTS = [{
     32         'url': 'https://drive.google.com/file/d/0ByeS4oOUV-49Zzh4R1J6R09zazQ/edit?pli=1',
     33         'md5': '5c602afbbf2c1db91831f5d82f678554',
     34         'info_dict': {
     35             'id': '0ByeS4oOUV-49Zzh4R1J6R09zazQ',
     36             'ext': 'mp4',
     37             'title': 'Big Buck Bunny.mp4',
     38             'duration': 45,
     39         }
     40     }, {
     41         # video can't be watched anonymously due to view count limit reached,
     42         # but can be downloaded (see https://github.com/ytdl-org/youtube-dl/issues/14046)
     43         'url': 'https://drive.google.com/file/d/0B-vUyvmDLdWDcEt4WjBqcmI2XzQ/view',
     44         'only_matching': True,
     45     }, {
     46         # video id is longer than 28 characters
     47         'url': 'https://drive.google.com/file/d/1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ/edit',
     48         'only_matching': True,
     49     }, {
     50         'url': 'https://drive.google.com/open?id=0B2fjwgkl1A_CX083Tkowdmt6d28',
     51         'only_matching': True,
     52     }, {
     53         'url': 'https://drive.google.com/uc?id=0B2fjwgkl1A_CX083Tkowdmt6d28',
     54         'only_matching': True,
     55     }]
     56     _FORMATS_EXT = {
     57         '5': 'flv',
     58         '6': 'flv',
     59         '13': '3gp',
     60         '17': '3gp',
     61         '18': 'mp4',
     62         '22': 'mp4',
     63         '34': 'flv',
     64         '35': 'flv',
     65         '36': '3gp',
     66         '37': 'mp4',
     67         '38': 'mp4',
     68         '43': 'webm',
     69         '44': 'webm',
     70         '45': 'webm',
     71         '46': 'webm',
     72         '59': 'mp4',
     73     }
     74     _BASE_URL_CAPTIONS = 'https://drive.google.com/timedtext'
     75     _CAPTIONS_ENTRY_TAG = {
     76         'subtitles': 'track',
     77         'automatic_captions': 'target',
     78     }
     79     _caption_formats_ext = []
     80     _captions_xml = None
     81 
     82     @staticmethod
     83     def _extract_url(webpage):
     84         mobj = re.search(
     85             r'<iframe[^>]+src="https?://(?:video\.google\.com/get_player\?.*?docid=|(?:docs|drive)\.google\.com/file/d/)(?P<id>[a-zA-Z0-9_-]{28,})',
     86             webpage)
     87         if mobj:
     88             return 'https://drive.google.com/file/d/%s' % mobj.group('id')
     89 
     90     def _download_subtitles_xml(self, video_id, subtitles_id, hl):
     91         if self._captions_xml:
     92             return
     93         self._captions_xml = self._download_xml(
     94             self._BASE_URL_CAPTIONS, video_id, query={
     95                 'id': video_id,
     96                 'vid': subtitles_id,
     97                 'hl': hl,
     98                 'v': video_id,
     99                 'type': 'list',
    100                 'tlangs': '1',
    101                 'fmts': '1',
    102                 'vssids': '1',
    103             }, note='Downloading subtitles XML',
    104             errnote='Unable to download subtitles XML', fatal=False)
    105         if self._captions_xml:
    106             for f in self._captions_xml.findall('format'):
    107                 if f.attrib.get('fmt_code') and not f.attrib.get('default'):
    108                     self._caption_formats_ext.append(f.attrib['fmt_code'])
    109 
    110     def _get_captions_by_type(self, video_id, subtitles_id, caption_type,
    111                               origin_lang_code=None):
    112         if not subtitles_id or not caption_type:
    113             return
    114         captions = {}
    115         for caption_entry in self._captions_xml.findall(
    116                 self._CAPTIONS_ENTRY_TAG[caption_type]):
    117             caption_lang_code = caption_entry.attrib.get('lang_code')
    118             if not caption_lang_code:
    119                 continue
    120             caption_format_data = []
    121             for caption_format in self._caption_formats_ext:
    122                 query = {
    123                     'vid': subtitles_id,
    124                     'v': video_id,
    125                     'fmt': caption_format,
    126                     'lang': (caption_lang_code if origin_lang_code is None
    127                              else origin_lang_code),
    128                     'type': 'track',
    129                     'name': '',
    130                     'kind': '',
    131                 }
    132                 if origin_lang_code is not None:
    133                     query.update({'tlang': caption_lang_code})
    134                 caption_format_data.append({
    135                     'url': update_url_query(self._BASE_URL_CAPTIONS, query),
    136                     'ext': caption_format,
    137                 })
    138             captions[caption_lang_code] = caption_format_data
    139         return captions
    140 
    141     def _get_subtitles(self, video_id, subtitles_id, hl):
    142         if not subtitles_id or not hl:
    143             return
    144         self._download_subtitles_xml(video_id, subtitles_id, hl)
    145         if not self._captions_xml:
    146             return
    147         return self._get_captions_by_type(video_id, subtitles_id, 'subtitles')
    148 
    149     def _get_automatic_captions(self, video_id, subtitles_id, hl):
    150         if not subtitles_id or not hl:
    151             return
    152         self._download_subtitles_xml(video_id, subtitles_id, hl)
    153         if not self._captions_xml:
    154             return
    155         track = self._captions_xml.find('track')
    156         if track is None:
    157             return
    158         origin_lang_code = track.attrib.get('lang_code')
    159         if not origin_lang_code:
    160             return
    161         return self._get_captions_by_type(
    162             video_id, subtitles_id, 'automatic_captions', origin_lang_code)
    163 
    164     def _real_extract(self, url):
    165         video_id = self._match_id(url)
    166         video_info = compat_parse_qs(self._download_webpage(
    167             'https://drive.google.com/get_video_info',
    168             video_id, query={'docid': video_id}))
    169 
    170         def get_value(key):
    171             return try_get(video_info, lambda x: x[key][0])
    172 
    173         reason = get_value('reason')
    174         title = get_value('title')
    175         if not title and reason:
    176             raise ExtractorError(reason, expected=True)
    177 
    178         formats = []
    179         fmt_stream_map = (get_value('fmt_stream_map') or '').split(',')
    180         fmt_list = (get_value('fmt_list') or '').split(',')
    181         if fmt_stream_map and fmt_list:
    182             resolutions = {}
    183             for fmt in fmt_list:
    184                 mobj = re.search(
    185                     r'^(?P<format_id>\d+)/(?P<width>\d+)[xX](?P<height>\d+)', fmt)
    186                 if mobj:
    187                     resolutions[mobj.group('format_id')] = (
    188                         int(mobj.group('width')), int(mobj.group('height')))
    189 
    190             for fmt_stream in fmt_stream_map:
    191                 fmt_stream_split = fmt_stream.split('|')
    192                 if len(fmt_stream_split) < 2:
    193                     continue
    194                 format_id, format_url = fmt_stream_split[:2]
    195                 f = {
    196                     'url': lowercase_escape(format_url),
    197                     'format_id': format_id,
    198                     'ext': self._FORMATS_EXT[format_id],
    199                 }
    200                 resolution = resolutions.get(format_id)
    201                 if resolution:
    202                     f.update({
    203                         'width': resolution[0],
    204                         'height': resolution[1],
    205                     })
    206                 formats.append(f)
    207 
    208         source_url = update_url_query(
    209             'https://drive.google.com/uc', {
    210                 'id': video_id,
    211                 'export': 'download',
    212             })
    213 
    214         def request_source_file(source_url, kind):
    215             return self._request_webpage(
    216                 source_url, video_id, note='Requesting %s file' % kind,
    217                 errnote='Unable to request %s file' % kind, fatal=False)
    218         urlh = request_source_file(source_url, 'source')
    219         if urlh:
    220             def add_source_format(urlh):
    221                 formats.append({
    222                     # Use redirect URLs as download URLs in order to calculate
    223                     # correct cookies in _calc_cookies.
    224                     # Using original URLs may result in redirect loop due to
    225                     # google.com's cookies mistakenly used for googleusercontent.com
    226                     # redirect URLs (see #23919).
    227                     'url': urlh.geturl(),
    228                     'ext': determine_ext(title, 'mp4').lower(),
    229                     'format_id': 'source',
    230                     'quality': 1,
    231                 })
    232             if urlh.headers.get('Content-Disposition'):
    233                 add_source_format(urlh)
    234             else:
    235                 confirmation_webpage = self._webpage_read_content(
    236                     urlh, url, video_id, note='Downloading confirmation page',
    237                     errnote='Unable to confirm download', fatal=False)
    238                 if confirmation_webpage:
    239                     confirm = self._search_regex(
    240                         r'confirm=([^&"\']+)', confirmation_webpage,
    241                         'confirmation code', default=None)
    242                     if confirm:
    243                         confirmed_source_url = update_url_query(source_url, {
    244                             'confirm': confirm,
    245                         })
    246                         urlh = request_source_file(confirmed_source_url, 'confirmed source')
    247                         if urlh and urlh.headers.get('Content-Disposition'):
    248                             add_source_format(urlh)
    249                     else:
    250                         self.report_warning(
    251                             get_element_by_class('uc-error-subcaption', confirmation_webpage)
    252                             or get_element_by_class('uc-error-caption', confirmation_webpage)
    253                             or 'unable to extract confirmation code')
    254 
    255         if not formats and reason:
    256             raise ExtractorError(reason, expected=True)
    257 
    258         self._sort_formats(formats)
    259 
    260         hl = get_value('hl')
    261         subtitles_id = None
    262         ttsurl = get_value('ttsurl')
    263         if ttsurl:
    264             # the video Id for subtitles will be the last value in the ttsurl
    265             # query string
    266             subtitles_id = ttsurl.encode('utf-8').decode(
    267                 'unicode_escape').split('=')[-1]
    268 
    269         return {
    270             'id': video_id,
    271             'title': title,
    272             'thumbnail': 'https://drive.google.com/thumbnail?id=' + video_id,
    273             'duration': int_or_none(get_value('length_seconds')),
    274             'formats': formats,
    275             'subtitles': self.extract_subtitles(video_id, subtitles_id, hl),
    276             'automatic_captions': self.extract_automatic_captions(
    277                 video_id, subtitles_id, hl),
    278         }