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[web.archive:youtube] Improve metadata extraction (#1785)
Authored-by: coletdjnz
This commit is contained in:
coletdjnz
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@ -1580,6 +1580,9 @@ #### crunchyroll
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#### vikichannel
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* `video_types`: Types of videos to download - one or more of `episodes`, `movies`, `clips`, `trailers`
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#### youtubewebarchive
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* `check_all`: Try to check more at the cost of more requests. One or more of `thumbnails`, `captures`
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NOTE: These options may be changed/removed in the future without concern for backward compatibility
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@ -3,33 +3,36 @@
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import re
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import json
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from .common import InfoExtractor
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from .youtube import YoutubeIE
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from .youtube import YoutubeIE, YoutubeBaseInfoExtractor
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from ..compat import (
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compat_urllib_parse_unquote,
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compat_urllib_parse_unquote_plus,
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compat_HTTPError
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)
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from ..utils import (
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bug_reports_message,
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clean_html,
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determine_ext,
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dict_get,
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extract_attributes,
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ExtractorError,
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get_element_by_id,
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HEADRequest,
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int_or_none,
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KNOWN_EXTENSIONS,
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merge_dicts,
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mimetype2ext,
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orderedSet,
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parse_duration,
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parse_qs,
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RegexNotFoundError,
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str_to_int,
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str_or_none,
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traverse_obj,
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try_get,
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unified_strdate,
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unified_timestamp,
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urlhandle_detect_ext,
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url_or_none
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)
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@ -262,12 +265,12 @@ class YoutubeWebArchiveIE(InfoExtractor):
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_VALID_URL = r"""(?x)^
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(?:https?://)?web\.archive\.org/
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(?:web/)?
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(?:[0-9A-Za-z_*]+/)? # /web and the version index is optional
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(?:(?P<date>[0-9]{14})?[0-9A-Za-z_*]*/)? # /web and the version index is optional
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(?:https?(?::|%3[Aa])//)?
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(?:
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(?:\w+\.)?youtube\.com/watch(?:\?|%3[fF])(?:[^\#]+(?:&|%26))?v(?:=|%3[dD]) # Youtube URL
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|(wayback-fakeurl\.archive\.org/yt/) # Or the internal fake url
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(?:\w+\.)?youtube\.com(?::(?:80|443))?/watch(?:\.php)?(?:\?|%3[fF])(?:[^\#]+(?:&|%26))?v(?:=|%3[dD]) # Youtube URL
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|(?:wayback-fakeurl\.archive\.org/yt/) # Or the internal fake url
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)
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(?P<id>[0-9A-Za-z_-]{11})(?:%26|\#|&|$)
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"""
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@ -278,141 +281,391 @@ class YoutubeWebArchiveIE(InfoExtractor):
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'info_dict': {
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'id': 'aYAGB11YrSs',
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'ext': 'webm',
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'title': 'Team Fortress 2 - Sandviches!'
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'title': 'Team Fortress 2 - Sandviches!',
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'description': 'md5:4984c0f9a07f349fc5d8e82ab7af4eaf',
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'upload_date': '20110926',
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'uploader': 'Zeurel',
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'channel_id': 'UCukCyHaD-bK3in_pKpfH9Eg',
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'duration': 32,
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'uploader_id': 'Zeurel',
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'uploader_url': 'http://www.youtube.com/user/Zeurel'
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}
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},
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{
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}, {
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# Internal link
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'url': 'https://web.archive.org/web/2oe/http://wayback-fakeurl.archive.org/yt/97t7Xj_iBv0',
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'info_dict': {
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'id': '97t7Xj_iBv0',
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'ext': 'mp4',
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'title': 'How Flexible Machines Could Save The World'
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'title': 'Why Machines That Bend Are Better',
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'description': 'md5:00404df2c632d16a674ff8df1ecfbb6c',
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'upload_date': '20190312',
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'uploader': 'Veritasium',
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'channel_id': 'UCHnyfMqiRRG1u-2MsSQLbXA',
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'duration': 771,
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'uploader_id': '1veritasium',
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'uploader_url': 'http://www.youtube.com/user/1veritasium'
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}
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},
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{
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# Video from 2012, webm format itag 45.
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}, {
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# Video from 2012, webm format itag 45. Newest capture is deleted video, with an invalid description.
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# Should use the date in the link. Title ends with '- Youtube'. Capture has description in eow-description
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'url': 'https://web.archive.org/web/20120712231619/http://www.youtube.com/watch?v=AkhihxRKcrs&gl=US&hl=en',
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'info_dict': {
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'id': 'AkhihxRKcrs',
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'ext': 'webm',
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'title': 'Limited Run: Mondo\'s Modern Classic 1 of 3 (SDCC 2012)'
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'title': 'Limited Run: Mondo\'s Modern Classic 1 of 3 (SDCC 2012)',
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'upload_date': '20120712',
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'duration': 398,
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'description': 'md5:ff4de6a7980cb65d951c2f6966a4f2f3',
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'uploader_id': 'machinima',
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'uploader_url': 'http://www.youtube.com/user/machinima'
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}
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},
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{
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# Old flash-only video. Webpage title starts with "YouTube - ".
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}, {
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# FLV video. Video file URL does not provide itag information
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'url': 'https://web.archive.org/web/20081211103536/http://www.youtube.com/watch?v=jNQXAC9IVRw',
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'info_dict': {
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'id': 'jNQXAC9IVRw',
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'ext': 'unknown_video',
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'title': 'Me at the zoo'
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'ext': 'flv',
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'title': 'Me at the zoo',
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'upload_date': '20050423',
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'channel_id': 'UC4QobU6STFB0P71PMvOGN5A',
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'duration': 19,
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'description': 'md5:10436b12e07ac43ff8df65287a56efb4',
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'uploader_id': 'jawed',
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'uploader_url': 'http://www.youtube.com/user/jawed'
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}
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},
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{
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# Flash video with .flv extension (itag 34). Title has prefix "YouTube -"
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# Title has some weird unicode characters too.
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}, {
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'url': 'https://web.archive.org/web/20110712231407/http://www.youtube.com/watch?v=lTx3G6h2xyA',
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'info_dict': {
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'id': 'lTx3G6h2xyA',
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'ext': 'flv',
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'title': 'Madeon - Pop Culture (live mashup)'
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'title': 'Madeon - Pop Culture (live mashup)',
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'upload_date': '20110711',
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'uploader': 'Madeon',
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'channel_id': 'UCqMDNf3Pn5L7pcNkuSEeO3w',
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'duration': 204,
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'description': 'md5:f7535343b6eda34a314eff8b85444680',
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'uploader_id': 'itsmadeon',
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'uploader_url': 'http://www.youtube.com/user/itsmadeon'
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}
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},
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{ # Some versions of Youtube have have "YouTube" as page title in html (and later rewritten by js).
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}, {
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# First capture is of dead video, second is the oldest from CDX response.
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'url': 'https://web.archive.org/https://www.youtube.com/watch?v=1JYutPM8O6E',
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'info_dict': {
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'id': '1JYutPM8O6E',
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'ext': 'mp4',
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'title': 'Fake Teen Doctor Strikes AGAIN! - Weekly Weird News',
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'upload_date': '20160218',
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'channel_id': 'UCdIaNUarhzLSXGoItz7BHVA',
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'duration': 1236,
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'description': 'md5:21032bae736421e89c2edf36d1936947',
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'uploader_id': 'MachinimaETC',
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'uploader_url': 'http://www.youtube.com/user/MachinimaETC'
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}
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}, {
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# First capture of dead video, capture date in link links to dead capture.
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'url': 'https://web.archive.org/web/20180803221945/https://www.youtube.com/watch?v=6FPhZJGvf4E',
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'info_dict': {
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'id': '6FPhZJGvf4E',
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'ext': 'mp4',
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'title': 'WTF: Video Games Still Launch BROKEN?! - T.U.G.S.',
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'upload_date': '20160219',
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'channel_id': 'UCdIaNUarhzLSXGoItz7BHVA',
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'duration': 798,
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'description': 'md5:a1dbf12d9a3bd7cb4c5e33b27d77ffe7',
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'uploader_id': 'MachinimaETC',
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'uploader_url': 'http://www.youtube.com/user/MachinimaETC'
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},
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'expected_warnings': [
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r'unable to download capture webpage \(it may not be archived\)'
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]
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}, { # Very old YouTube page, has - YouTube in title.
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'url': 'http://web.archive.org/web/20070302011044/http://youtube.com/watch?v=-06-KB9XTzg',
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'info_dict': {
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'id': '-06-KB9XTzg',
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'ext': 'flv',
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'title': 'New Coin Hack!! 100% Safe!!'
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}
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}, {
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'url': 'web.archive.org/https://www.youtube.com/watch?v=dWW7qP423y8',
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'info_dict': {
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'id': 'dWW7qP423y8',
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'ext': 'mp4',
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'title': 'It\'s Bootleg AirPods Time.',
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'upload_date': '20211021',
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'channel_id': 'UC7Jwj9fkrf1adN4fMmTkpug',
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'channel_url': 'http://www.youtube.com/channel/UC7Jwj9fkrf1adN4fMmTkpug',
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'duration': 810,
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'description': 'md5:7b567f898d8237b256f36c1a07d6d7bc',
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'uploader': 'DankPods',
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'uploader_id': 'UC7Jwj9fkrf1adN4fMmTkpug',
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'uploader_url': 'http://www.youtube.com/channel/UC7Jwj9fkrf1adN4fMmTkpug'
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}
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}, {
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# player response contains '};' See: https://github.com/ytdl-org/youtube-dl/issues/27093
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'url': 'https://web.archive.org/web/20200827003909if_/http://www.youtube.com/watch?v=6Dh-RL__uN4',
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'info_dict': {
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'id': '6Dh-RL__uN4',
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'ext': 'mp4',
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'title': 'bitch lasagna',
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'upload_date': '20181005',
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'channel_id': 'UC-lHJZR3Gqxm24_Vd_AJ5Yw',
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'channel_url': 'http://www.youtube.com/channel/UC-lHJZR3Gqxm24_Vd_AJ5Yw',
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'duration': 135,
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'description': 'md5:2dbe4051feeff2dab5f41f82bb6d11d0',
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'uploader': 'PewDiePie',
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'uploader_id': 'PewDiePie',
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'uploader_url': 'http://www.youtube.com/user/PewDiePie'
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}
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}, {
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'url': 'https://web.archive.org/web/http://www.youtube.com/watch?v=kH-G_aIBlFw',
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'info_dict': {
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'id': 'kH-G_aIBlFw',
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'ext': 'mp4',
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'title': 'kH-G_aIBlFw'
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},
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'expected_warnings': [
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'unable to extract title',
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]
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},
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{
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# First capture is a 302 redirect intermediary page.
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'url': 'https://web.archive.org/web/20050214000000/http://www.youtube.com/watch?v=0altSZ96U4M',
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'info_dict': {
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'id': '0altSZ96U4M',
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'ext': 'mp4',
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'title': '0altSZ96U4M'
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},
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'expected_warnings': [
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'unable to extract title',
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]
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},
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{
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'only_matching': True
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}, {
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'url': 'https://web.archive.org/web/20050214000000_if/http://www.youtube.com/watch?v=0altSZ96U4M',
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'only_matching': True
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}, {
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# Video not archived, only capture is unavailable video page
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'url': 'https://web.archive.org/web/20210530071008/https://www.youtube.com/watch?v=lHJTf93HL1s&spfreload=10',
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'only_matching': True,
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},
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{ # Encoded url
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'only_matching': True
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}, { # Encoded url
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'url': 'https://web.archive.org/web/20120712231619/http%3A//www.youtube.com/watch%3Fgl%3DUS%26v%3DAkhihxRKcrs%26hl%3Den',
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'only_matching': True,
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},
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{
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'only_matching': True
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}, {
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'url': 'https://web.archive.org/web/20120712231619/http%3A//www.youtube.com/watch%3Fv%3DAkhihxRKcrs%26gl%3DUS%26hl%3Den',
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'only_matching': True,
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'only_matching': True
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}, {
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'url': 'https://web.archive.org/web/20060527081937/http://www.youtube.com:80/watch.php?v=ELTFsLT73fA&search=soccer',
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'only_matching': True
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}, {
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'url': 'https://web.archive.org/http://www.youtube.com:80/watch?v=-05VVye-ffg',
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'only_matching': True
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}
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]
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_YT_INITIAL_DATA_RE = r'(?:(?:(?:window\s*\[\s*["\']ytInitialData["\']\s*\]|ytInitialData)\s*=\s*({.+?})\s*;)|%s)' % YoutubeBaseInfoExtractor._YT_INITIAL_DATA_RE
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_YT_INITIAL_PLAYER_RESPONSE_RE = r'(?:(?:(?:window\s*\[\s*["\']ytInitialPlayerResponse["\']\s*\]|ytInitialPlayerResponse)\s*=[(\s]*({.+?})[)\s]*;)|%s)' % YoutubeBaseInfoExtractor._YT_INITIAL_PLAYER_RESPONSE_RE
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_YT_INITIAL_BOUNDARY_RE = r'(?:(?:var\s+meta|</script|\n)|%s)' % YoutubeBaseInfoExtractor._YT_INITIAL_BOUNDARY_RE
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_YT_DEFAULT_THUMB_SERVERS = ['i.ytimg.com'] # thumbnails most likely archived on these servers
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_YT_ALL_THUMB_SERVERS = orderedSet(
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_YT_DEFAULT_THUMB_SERVERS + ['img.youtube.com', *[f'{c}{n or ""}.ytimg.com' for c in ('i', 's') for n in (*range(0, 5), 9)]])
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_WAYBACK_BASE_URL = 'https://web.archive.org/web/%sif_/'
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_OLDEST_CAPTURE_DATE = 20050214000000
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_NEWEST_CAPTURE_DATE = 20500101000000
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def _call_cdx_api(self, item_id, url, filters: list = None, collapse: list = None, query: dict = None, note='Downloading CDX API JSON'):
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# CDX docs: https://github.com/internetarchive/wayback/blob/master/wayback-cdx-server/README.md
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query = {
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'url': url,
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'output': 'json',
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'fl': 'original,mimetype,length,timestamp',
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'limit': 500,
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'filter': ['statuscode:200'] + (filters or []),
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'collapse': collapse or [],
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**(query or {})
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}
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res = self._download_json('https://web.archive.org/cdx/search/cdx', item_id, note, query=query)
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if isinstance(res, list) and len(res) >= 2:
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# format response to make it easier to use
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return list(dict(zip(res[0], v)) for v in res[1:])
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elif not isinstance(res, list) or len(res) != 0:
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self.report_warning('Error while parsing CDX API response' + bug_reports_message())
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def _extract_yt_initial_variable(self, webpage, regex, video_id, name):
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return self._parse_json(self._search_regex(
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(r'%s\s*%s' % (regex, self._YT_INITIAL_BOUNDARY_RE),
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regex), webpage, name, default='{}'), video_id, fatal=False)
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def _extract_webpage_title(self, webpage):
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page_title = self._html_search_regex(
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r'<title>([^<]*)</title>', webpage, 'title', default='')
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# YouTube video pages appear to always have either 'YouTube -' as prefix or '- YouTube' as suffix.
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return self._html_search_regex(
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r'(?:YouTube\s*-\s*(.*)$)|(?:(.*)\s*-\s*YouTube$)',
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page_title, 'title', default='')
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def _extract_metadata(self, video_id, webpage):
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search_meta = ((lambda x: self._html_search_meta(x, webpage, default=None)) if webpage else (lambda x: None))
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player_response = self._extract_yt_initial_variable(
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webpage, self._YT_INITIAL_PLAYER_RESPONSE_RE, video_id, 'initial player response') or {}
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initial_data = self._extract_yt_initial_variable(
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webpage, self._YT_INITIAL_DATA_RE, video_id, 'initial player response') or {}
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initial_data_video = traverse_obj(
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initial_data, ('contents', 'twoColumnWatchNextResults', 'results', 'results', 'contents', ..., 'videoPrimaryInfoRenderer'),
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expected_type=dict, get_all=False, default={})
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video_details = traverse_obj(
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player_response, 'videoDetails', expected_type=dict, get_all=False, default={})
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microformats = traverse_obj(
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player_response, ('microformat', 'playerMicroformatRenderer'), expected_type=dict, get_all=False, default={})
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video_title = (
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video_details.get('title')
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or YoutubeBaseInfoExtractor._get_text(microformats, 'title')
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or YoutubeBaseInfoExtractor._get_text(initial_data_video, 'title')
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or self._extract_webpage_title(webpage)
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or search_meta(['og:title', 'twitter:title', 'title']))
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channel_id = str_or_none(
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video_details.get('channelId')
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or microformats.get('externalChannelId')
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or search_meta('channelId')
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or self._search_regex(
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r'data-channel-external-id=(["\'])(?P<id>(?:(?!\1).)+)\1', # @b45a9e6
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webpage, 'channel id', default=None, group='id'))
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channel_url = f'http://www.youtube.com/channel/{channel_id}' if channel_id else None
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duration = int_or_none(
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video_details.get('lengthSeconds')
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or microformats.get('lengthSeconds')
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or parse_duration(search_meta('duration')))
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description = (
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video_details.get('shortDescription')
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or YoutubeBaseInfoExtractor._get_text(microformats, 'description')
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or clean_html(get_element_by_id('eow-description', webpage)) # @9e6dd23
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or search_meta(['description', 'og:description', 'twitter:description']))
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|
||||
uploader = video_details.get('author')
|
||||
|
||||
# Uploader ID and URL
|
||||
uploader_mobj = re.search(
|
||||
r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">', # @fd05024
|
||||
webpage)
|
||||
if uploader_mobj is not None:
|
||||
uploader_id, uploader_url = uploader_mobj.group('uploader_id'), uploader_mobj.group('uploader_url')
|
||||
else:
|
||||
# @a6211d2
|
||||
uploader_url = url_or_none(microformats.get('ownerProfileUrl'))
|
||||
uploader_id = self._search_regex(
|
||||
r'(?:user|channel)/([^/]+)', uploader_url or '', 'uploader id', default=None)
|
||||
|
||||
upload_date = unified_strdate(
|
||||
dict_get(microformats, ('uploadDate', 'publishDate'))
|
||||
or search_meta(['uploadDate', 'datePublished'])
|
||||
or self._search_regex(
|
||||
[r'(?s)id="eow-date.*?>(.*?)</span>',
|
||||
r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'], # @7998520
|
||||
webpage, 'upload date', default=None))
|
||||
|
||||
return {
|
||||
'title': video_title,
|
||||
'description': description,
|
||||
'upload_date': upload_date,
|
||||
'uploader': uploader,
|
||||
'channel_id': channel_id,
|
||||
'channel_url': channel_url,
|
||||
'duration': duration,
|
||||
'uploader_url': uploader_url,
|
||||
'uploader_id': uploader_id,
|
||||
}
|
||||
|
||||
def _extract_thumbnails(self, video_id):
|
||||
try_all = 'thumbnails' in self._configuration_arg('check_all')
|
||||
thumbnail_base_urls = ['http://{server}/vi{webp}/{video_id}'.format(
|
||||
webp='_webp' if ext == 'webp' else '', video_id=video_id, server=server)
|
||||
for server in (self._YT_ALL_THUMB_SERVERS if try_all else self._YT_DEFAULT_THUMB_SERVERS) for ext in (('jpg', 'webp') if try_all else ('jpg',))]
|
||||
|
||||
thumbnails = []
|
||||
for url in thumbnail_base_urls:
|
||||
response = self._call_cdx_api(
|
||||
video_id, url, filters=['mimetype:image/(?:webp|jpeg)'],
|
||||
collapse=['urlkey'], query={'matchType': 'prefix'})
|
||||
if not response:
|
||||
continue
|
||||
thumbnails.extend(
|
||||
{
|
||||
'url': (self._WAYBACK_BASE_URL % (int_or_none(thumbnail_dict.get('timestamp')) or self._OLDEST_CAPTURE_DATE)) + thumbnail_dict.get('original'),
|
||||
'filesize': int_or_none(thumbnail_dict.get('length')),
|
||||
'preference': int_or_none(thumbnail_dict.get('length'))
|
||||
} for thumbnail_dict in response)
|
||||
if not try_all:
|
||||
break
|
||||
|
||||
self._remove_duplicate_formats(thumbnails)
|
||||
return thumbnails
|
||||
|
||||
def _get_capture_dates(self, video_id, url_date):
|
||||
capture_dates = []
|
||||
# Note: CDX API will not find watch pages with extra params in the url.
|
||||
response = self._call_cdx_api(
|
||||
video_id, f'https://www.youtube.com/watch?v={video_id}',
|
||||
filters=['mimetype:text/html'], collapse=['timestamp:6', 'digest'], query={'matchType': 'prefix'}) or []
|
||||
all_captures = sorted([int_or_none(r['timestamp']) for r in response if int_or_none(r['timestamp']) is not None])
|
||||
|
||||
# Prefer the new polymer UI captures as we support extracting more metadata from them
|
||||
# WBM captures seem to all switch to this layout ~July 2020
|
||||
modern_captures = list(filter(lambda x: x >= 20200701000000, all_captures))
|
||||
if modern_captures:
|
||||
capture_dates.append(modern_captures[0])
|
||||
capture_dates.append(url_date)
|
||||
if all_captures:
|
||||
capture_dates.append(all_captures[0])
|
||||
|
||||
if 'captures' in self._configuration_arg('check_all'):
|
||||
capture_dates.extend(modern_captures + all_captures)
|
||||
|
||||
# Fallbacks if any of the above fail
|
||||
capture_dates.extend([self._OLDEST_CAPTURE_DATE, self._NEWEST_CAPTURE_DATE])
|
||||
return orderedSet(capture_dates)
|
||||
|
||||
def _real_extract(self, url):
|
||||
video_id = self._match_id(url)
|
||||
title = video_id # if we are not able get a title
|
||||
|
||||
def _extract_title(webpage):
|
||||
page_title = self._html_search_regex(
|
||||
r'<title>([^<]*)</title>', webpage, 'title', fatal=False) or ''
|
||||
# YouTube video pages appear to always have either 'YouTube -' as suffix or '- YouTube' as prefix.
|
||||
try:
|
||||
page_title = self._html_search_regex(
|
||||
r'(?:YouTube\s*-\s*(.*)$)|(?:(.*)\s*-\s*YouTube$)',
|
||||
page_title, 'title', default='')
|
||||
except RegexNotFoundError:
|
||||
page_title = None
|
||||
url_date, video_id = self._match_valid_url(url).groups()
|
||||
|
||||
if not page_title:
|
||||
self.report_warning('unable to extract title', video_id=video_id)
|
||||
return
|
||||
return page_title
|
||||
|
||||
# If the video is no longer available, the oldest capture may be one before it was removed.
|
||||
# Setting the capture date in url to early date seems to redirect to earliest capture.
|
||||
webpage = self._download_webpage(
|
||||
'https://web.archive.org/web/20050214000000/http://www.youtube.com/watch?v=%s' % video_id,
|
||||
video_id=video_id, fatal=False, errnote='unable to download video webpage (probably not archived).')
|
||||
if webpage:
|
||||
title = _extract_title(webpage) or title
|
||||
|
||||
# Use link translator mentioned in https://github.com/ytdl-org/youtube-dl/issues/13655
|
||||
internal_fake_url = 'https://web.archive.org/web/2oe_/http://wayback-fakeurl.archive.org/yt/%s' % video_id
|
||||
urlh = None
|
||||
try:
|
||||
video_file_webpage = self._request_webpage(
|
||||
HEADRequest(internal_fake_url), video_id,
|
||||
note='Fetching video file url', expected_status=True)
|
||||
urlh = self._request_webpage(
|
||||
HEADRequest('https://web.archive.org/web/2oe_/http://wayback-fakeurl.archive.org/yt/%s' % video_id),
|
||||
video_id, note='Fetching archived video file url', expected_status=True)
|
||||
except ExtractorError as e:
|
||||
# HTTP Error 404 is expected if the video is not saved.
|
||||
if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
|
||||
raise ExtractorError(
|
||||
'HTTP Error %s. Most likely the video is not archived or issue with web.archive.org.' % e.cause.code,
|
||||
self.raise_no_formats(
|
||||
'The requested video is not archived, indexed, or there is an issue with web.archive.org',
|
||||
expected=True)
|
||||
raise
|
||||
video_file_url = compat_urllib_parse_unquote(video_file_webpage.url)
|
||||
video_file_url_qs = parse_qs(video_file_url)
|
||||
else:
|
||||
raise
|
||||
|
||||
# Attempt to recover any ext & format info from playback url
|
||||
format = {'url': video_file_url}
|
||||
itag = try_get(video_file_url_qs, lambda x: x['itag'][0])
|
||||
if itag and itag in YoutubeIE._formats: # Naughty access but it works
|
||||
format.update(YoutubeIE._formats[itag])
|
||||
format.update({'format_id': itag})
|
||||
else:
|
||||
mime = try_get(video_file_url_qs, lambda x: x['mime'][0])
|
||||
ext = mimetype2ext(mime) or determine_ext(video_file_url)
|
||||
format.update({'ext': ext})
|
||||
return {
|
||||
'id': video_id,
|
||||
'title': title,
|
||||
'formats': [format],
|
||||
'duration': str_to_int(try_get(video_file_url_qs, lambda x: x['dur'][0]))
|
||||
}
|
||||
capture_dates = self._get_capture_dates(video_id, int_or_none(url_date))
|
||||
self.write_debug('Captures to try: ' + ', '.join(str(i) for i in capture_dates if i is not None))
|
||||
info = {'id': video_id}
|
||||
for capture in capture_dates:
|
||||
if not capture:
|
||||
continue
|
||||
webpage = self._download_webpage(
|
||||
(self._WAYBACK_BASE_URL + 'http://www.youtube.com/watch?v=%s') % (capture, video_id),
|
||||
video_id=video_id, fatal=False, errnote='unable to download capture webpage (it may not be archived)',
|
||||
note='Downloading capture webpage')
|
||||
current_info = self._extract_metadata(video_id, webpage or '')
|
||||
# Try avoid getting deleted video metadata
|
||||
if current_info.get('title'):
|
||||
info = merge_dicts(info, current_info)
|
||||
if 'captures' not in self._configuration_arg('check_all'):
|
||||
break
|
||||
|
||||
info['thumbnails'] = self._extract_thumbnails(video_id)
|
||||
|
||||
if urlh:
|
||||
url = compat_urllib_parse_unquote(urlh.url)
|
||||
video_file_url_qs = parse_qs(url)
|
||||
# Attempt to recover any ext & format info from playback url & response headers
|
||||
format = {'url': url, 'filesize': int_or_none(urlh.headers.get('x-archive-orig-content-length'))}
|
||||
itag = try_get(video_file_url_qs, lambda x: x['itag'][0])
|
||||
if itag and itag in YoutubeIE._formats:
|
||||
format.update(YoutubeIE._formats[itag])
|
||||
format.update({'format_id': itag})
|
||||
else:
|
||||
mime = try_get(video_file_url_qs, lambda x: x['mime'][0])
|
||||
ext = (mimetype2ext(mime)
|
||||
or urlhandle_detect_ext(urlh)
|
||||
or mimetype2ext(urlh.headers.get('x-archive-guessed-content-type')))
|
||||
format.update({'ext': ext})
|
||||
info['formats'] = [format]
|
||||
if not info.get('duration'):
|
||||
info['duration'] = str_to_int(try_get(video_file_url_qs, lambda x: x['dur'][0]))
|
||||
|
||||
if not info.get('title'):
|
||||
info['title'] = video_id
|
||||
return info
|
||||
|
||||
Loading…
Reference in New Issue
Block a user