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279 lines
11 KiB
Python
279 lines
11 KiB
Python
from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..compat import compat_parse_qs
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from ..utils import (
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determine_ext,
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ExtractorError,
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get_element_by_class,
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int_or_none,
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lowercase_escape,
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try_get,
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update_url_query,
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)
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class GoogleDriveIE(InfoExtractor):
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_VALID_URL = r'''(?x)
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https?://
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(?:
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(?:docs|drive)\.google\.com/
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(?:
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(?:uc|open)\?.*?id=|
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file/d/
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video\.google\.com/get_player\?.*?docid=
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)
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(?P<id>[a-zA-Z0-9_-]{28,})
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'''
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_TESTS = [{
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'url': 'https://drive.google.com/file/d/0ByeS4oOUV-49Zzh4R1J6R09zazQ/edit?pli=1',
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'md5': '5c602afbbf2c1db91831f5d82f678554',
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'info_dict': {
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'id': '0ByeS4oOUV-49Zzh4R1J6R09zazQ',
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'ext': 'mp4',
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'title': 'Big Buck Bunny.mp4',
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'duration': 45,
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}
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}, {
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# video can't be watched anonymously due to view count limit reached,
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# but can be downloaded (see https://github.com/ytdl-org/youtube-dl/issues/14046)
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'url': 'https://drive.google.com/file/d/0B-vUyvmDLdWDcEt4WjBqcmI2XzQ/view',
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'only_matching': True,
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}, {
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# video id is longer than 28 characters
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'url': 'https://drive.google.com/file/d/1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ/edit',
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'only_matching': True,
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}, {
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'url': 'https://drive.google.com/open?id=0B2fjwgkl1A_CX083Tkowdmt6d28',
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'only_matching': True,
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}, {
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'url': 'https://drive.google.com/uc?id=0B2fjwgkl1A_CX083Tkowdmt6d28',
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'only_matching': True,
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}]
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_FORMATS_EXT = {
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'5': 'flv',
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'6': 'flv',
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'13': '3gp',
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'17': '3gp',
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'18': 'mp4',
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'22': 'mp4',
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'34': 'flv',
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'35': 'flv',
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'36': '3gp',
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'37': 'mp4',
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'38': 'mp4',
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'43': 'webm',
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'44': 'webm',
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'45': 'webm',
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'46': 'webm',
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'59': 'mp4',
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}
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_BASE_URL_CAPTIONS = 'https://drive.google.com/timedtext'
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_CAPTIONS_ENTRY_TAG = {
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'subtitles': 'track',
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'automatic_captions': 'target',
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}
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_caption_formats_ext = []
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_captions_xml = None
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@staticmethod
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def _extract_url(webpage):
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mobj = re.search(
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r'<iframe[^>]+src="https?://(?:video\.google\.com/get_player\?.*?docid=|(?:docs|drive)\.google\.com/file/d/)(?P<id>[a-zA-Z0-9_-]{28,})',
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webpage)
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if mobj:
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return 'https://drive.google.com/file/d/%s' % mobj.group('id')
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def _download_subtitles_xml(self, video_id, subtitles_id, hl):
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if self._captions_xml:
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return
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self._captions_xml = self._download_xml(
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self._BASE_URL_CAPTIONS, video_id, query={
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'id': video_id,
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'vid': subtitles_id,
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'hl': hl,
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'v': video_id,
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'type': 'list',
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'tlangs': '1',
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'fmts': '1',
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'vssids': '1',
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}, note='Downloading subtitles XML',
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errnote='Unable to download subtitles XML', fatal=False)
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if self._captions_xml:
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for f in self._captions_xml.findall('format'):
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if f.attrib.get('fmt_code') and not f.attrib.get('default'):
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self._caption_formats_ext.append(f.attrib['fmt_code'])
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def _get_captions_by_type(self, video_id, subtitles_id, caption_type,
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origin_lang_code=None):
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if not subtitles_id or not caption_type:
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return
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captions = {}
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for caption_entry in self._captions_xml.findall(
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self._CAPTIONS_ENTRY_TAG[caption_type]):
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caption_lang_code = caption_entry.attrib.get('lang_code')
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if not caption_lang_code:
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continue
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caption_format_data = []
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for caption_format in self._caption_formats_ext:
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query = {
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'vid': subtitles_id,
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'v': video_id,
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'fmt': caption_format,
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'lang': (caption_lang_code if origin_lang_code is None
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else origin_lang_code),
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'type': 'track',
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'name': '',
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'kind': '',
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}
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if origin_lang_code is not None:
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query.update({'tlang': caption_lang_code})
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caption_format_data.append({
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'url': update_url_query(self._BASE_URL_CAPTIONS, query),
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'ext': caption_format,
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})
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captions[caption_lang_code] = caption_format_data
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return captions
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def _get_subtitles(self, video_id, subtitles_id, hl):
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if not subtitles_id or not hl:
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return
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self._download_subtitles_xml(video_id, subtitles_id, hl)
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if not self._captions_xml:
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return
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return self._get_captions_by_type(video_id, subtitles_id, 'subtitles')
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def _get_automatic_captions(self, video_id, subtitles_id, hl):
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if not subtitles_id or not hl:
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return
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self._download_subtitles_xml(video_id, subtitles_id, hl)
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if not self._captions_xml:
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return
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track = self._captions_xml.find('track')
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if track is None:
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return
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origin_lang_code = track.attrib.get('lang_code')
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if not origin_lang_code:
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return
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return self._get_captions_by_type(
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video_id, subtitles_id, 'automatic_captions', origin_lang_code)
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def _real_extract(self, url):
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video_id = self._match_id(url)
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video_info = compat_parse_qs(self._download_webpage(
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'https://drive.google.com/get_video_info',
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video_id, query={'docid': video_id}))
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def get_value(key):
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return try_get(video_info, lambda x: x[key][0])
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reason = get_value('reason')
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title = get_value('title')
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if not title and reason:
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raise ExtractorError(reason, expected=True)
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formats = []
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fmt_stream_map = (get_value('fmt_stream_map') or '').split(',')
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fmt_list = (get_value('fmt_list') or '').split(',')
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if fmt_stream_map and fmt_list:
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resolutions = {}
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for fmt in fmt_list:
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mobj = re.search(
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r'^(?P<format_id>\d+)/(?P<width>\d+)[xX](?P<height>\d+)', fmt)
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if mobj:
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resolutions[mobj.group('format_id')] = (
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int(mobj.group('width')), int(mobj.group('height')))
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for fmt_stream in fmt_stream_map:
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fmt_stream_split = fmt_stream.split('|')
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if len(fmt_stream_split) < 2:
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continue
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format_id, format_url = fmt_stream_split[:2]
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f = {
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'url': lowercase_escape(format_url),
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'format_id': format_id,
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'ext': self._FORMATS_EXT[format_id],
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}
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resolution = resolutions.get(format_id)
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if resolution:
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f.update({
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'width': resolution[0],
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'height': resolution[1],
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})
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formats.append(f)
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source_url = update_url_query(
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'https://drive.google.com/uc', {
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'id': video_id,
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'export': 'download',
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})
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def request_source_file(source_url, kind):
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return self._request_webpage(
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source_url, video_id, note='Requesting %s file' % kind,
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errnote='Unable to request %s file' % kind, fatal=False)
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urlh = request_source_file(source_url, 'source')
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if urlh:
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def add_source_format(urlh):
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formats.append({
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# Use redirect URLs as download URLs in order to calculate
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# correct cookies in _calc_cookies.
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# Using original URLs may result in redirect loop due to
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# google.com's cookies mistakenly used for googleusercontent.com
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# redirect URLs (see #23919).
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'url': urlh.geturl(),
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'ext': determine_ext(title, 'mp4').lower(),
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'format_id': 'source',
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'quality': 1,
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})
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if urlh.headers.get('Content-Disposition'):
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add_source_format(urlh)
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else:
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confirmation_webpage = self._webpage_read_content(
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urlh, url, video_id, note='Downloading confirmation page',
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errnote='Unable to confirm download', fatal=False)
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if confirmation_webpage:
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confirm = self._search_regex(
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r'confirm=([^&"\']+)', confirmation_webpage,
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'confirmation code', default=None)
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if confirm:
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confirmed_source_url = update_url_query(source_url, {
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'confirm': confirm,
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})
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urlh = request_source_file(confirmed_source_url, 'confirmed source')
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if urlh and urlh.headers.get('Content-Disposition'):
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add_source_format(urlh)
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else:
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self.report_warning(
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get_element_by_class('uc-error-subcaption', confirmation_webpage)
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or get_element_by_class('uc-error-caption', confirmation_webpage)
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or 'unable to extract confirmation code')
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if not formats and reason:
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raise ExtractorError(reason, expected=True)
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self._sort_formats(formats)
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hl = get_value('hl')
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subtitles_id = None
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ttsurl = get_value('ttsurl')
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if ttsurl:
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# the video Id for subtitles will be the last value in the ttsurl
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# query string
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subtitles_id = ttsurl.encode('utf-8').decode(
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'unicode_escape').split('=')[-1]
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return {
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'id': video_id,
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'title': title,
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'thumbnail': 'https://drive.google.com/thumbnail?id=' + video_id,
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'duration': int_or_none(get_value('length_seconds')),
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'formats': formats,
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'subtitles': self.extract_subtitles(video_id, subtitles_id, hl),
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'automatic_captions': self.extract_automatic_captions(
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video_id, subtitles_id, hl),
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}
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