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Code Issues Releases Wiki Activity

[twitter] Extract mp4 urls via mobile API (closes #12726)

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pull/2/head
Yen Chi Hsuan 8 years ago
parent 708f6f511e
commit 2edfd745df
1 changed files with 88 additions and 33 deletions
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121
youtube_dl/extractor/twitter.py
Unescape Escape View File

@ -7,11 +7,13 @@ from .common import InfoExtractor
from ..compat import compat_urlparse
from ..utils import (
determine_ext,
dict_get,
ExtractorError,
float_or_none,
xpath_text,
remove_end,
int_or_none,
ExtractorError,
remove_end,
try_get,
xpath_text,
)
from .periscope import PeriscopeIE
@ -22,6 +24,15 @@ class TwitterBaseIE(InfoExtractor):
vmap_data = self._download_xml(vmap_url, video_id)
return xpath_text(vmap_data, './/MediaFile').strip()
@staticmethod
def _search_dimensions_in_video_url(a_format, video_url):
m = re.search(r'/(?P<width>\d+)x(?P<height>\d+)/', video_url)
if m:
a_format.update({
'width': int(m.group('width')),
'height': int(m.group('height')),
})
class TwitterCardIE(TwitterBaseIE):
IE_NAME = 'twitter:card'
@ -90,6 +101,59 @@ class TwitterCardIE(TwitterBaseIE):
},
]
def _parse_media_info(self, media_info, video_id):
formats = []
for media_variant in media_info.get('variants', []):
media_url = media_variant['url']
if media_url.endswith('.m3u8'):
formats.extend(self._extract_m3u8_formats(media_url, video_id, ext='mp4', m3u8_id='hls'))
elif media_url.endswith('.mpd'):
formats.extend(self._extract_mpd_formats(media_url, video_id, mpd_id='dash'))
else:
vbr = int_or_none(dict_get(media_variant, ('bitRate', 'bitrate')), scale=1000)
a_format = {
'url': media_url,
'format_id': 'http-%d' % vbr if vbr else 'http',
'vbr': vbr,
}
# Reported bitRate may be zero
if not a_format['vbr']:
del a_format['vbr']
self._search_dimensions_in_video_url(a_format, media_url)
formats.append(a_format)
return formats
def _extract_mobile_formats(self, username, video_id):
webpage = self._download_webpage(
'https://mobile.twitter.com/%s/status/%s' % (username, video_id),
video_id, 'Downloading mobile webpage',
headers={
# A recent mobile UA is necessary for `gt` cookie
'User-Agent': 'Mozilla/5.0 (Android 6.0.1; Mobile; rv:54.0) Gecko/54.0 Firefox/54.0',
})
main_script_url = self._html_search_regex(
r'<script[^>]+src="([^"]+main\.[^"]+)"', webpage, 'main script URL')
main_script = self._download_webpage(
main_script_url, video_id, 'Downloading main script')
bearer_token = self._search_regex(
r'BEARER_TOKEN\s*:\s*"([^"]+)"',
main_script, 'bearer token')
guest_token = self._search_regex(
r'document\.cookie\s*=\s*decodeURIComponent\("gt=(\d+)',
webpage, 'guest token')
api_data = self._download_json(
'https://api.twitter.com/2/timeline/conversation/%s.json' % video_id,
video_id, 'Downloading mobile API data',
headers={
'Authorization': 'Bearer ' + bearer_token,
'x-guest-token': guest_token,
})
media_info = try_get(api_data, lambda o: o['globalObjects']['tweets'][video_id]
['extended_entities']['media'][0]['video_info']) or {}
return self._parse_media_info(media_info, video_id)
def _real_extract(self, url):
video_id = self._match_id(url)
@ -117,14 +181,6 @@ class TwitterCardIE(TwitterBaseIE):
if periscope_url:
return self.url_result(periscope_url, PeriscopeIE.ie_key())
def _search_dimensions_in_video_url(a_format, video_url):
m = re.search(r'/(?P<width>\d+)x(?P<height>\d+)/', video_url)
if m:
a_format.update({
'width': int(m.group('width')),
'height': int(m.group('height')),
})
video_url = config.get('video_url') or config.get('playlist', [{}])[0].get('source')
if video_url:
@ -135,7 +191,7 @@ class TwitterCardIE(TwitterBaseIE):
'url': video_url,
}
_search_dimensions_in_video_url(f, video_url)
self._search_dimensions_in_video_url(f, video_url)
formats.append(f)
@ -152,29 +208,14 @@ class TwitterCardIE(TwitterBaseIE):
media_info = entity['mediaInfo']
if media_info:
for media_variant in media_info['variants']:
media_url = media_variant['url']
if media_url.endswith('.m3u8'):
formats.extend(self._extract_m3u8_formats(media_url, video_id, ext='mp4', m3u8_id='hls'))
elif media_url.endswith('.mpd'):
formats.extend(self._extract_mpd_formats(media_url, video_id, mpd_id='dash'))
else:
vbr = int_or_none(media_variant.get('bitRate'), scale=1000)
a_format = {
'url': media_url,
'format_id': 'http-%d' % vbr if vbr else 'http',
'vbr': vbr,
}
# Reported bitRate may be zero
if not a_format['vbr']:
del a_format['vbr']
_search_dimensions_in_video_url(a_format, media_url)
formats.append(a_format)
formats.extend(self._parse_media_info(media_info, video_id))
duration = float_or_none(media_info.get('duration', {}).get('nanos'), scale=1e9)
username = config.get('user', {}).get('screen_name')
if username:
formats.extend(self._extract_mobile_formats(username, video_id))
self._remove_duplicate_formats(formats)
self._sort_formats(formats)
title = self._search_regex(r'<title>([^<]+)</title>', webpage, 'title')
@ -301,6 +342,20 @@ class TwitterIE(InfoExtractor):
'timestamp': 1474613214,
},
'add_ie': ['Periscope'],
}, {
# has mp4 formats via mobile API
'url': 'https://twitter.com/news_al3alm/status/852138619213144067',
'info_dict': {
'id': '852138619213144067',
'ext': 'mp4',
'title': 'عالم الأخبار - كلمة تاريخية بجلسة الجناسي التاريخية.. النائب خالد مؤنس العتيبي للمعارضين : اتقوا الله .. الظلم ظلمات يوم القيامة',
'description': 'عالم الأخبار on Twitter: "كلمة تاريخية بجلسة الجناسي التاريخية.. النائب خالد مؤنس العتيبي للمعارضين : اتقوا الله .. الظلم ظلمات يوم القيامة https://t.co/xg6OhpyKfN"',
'uploader': 'عالم الأخبار',
'uploader_id': 'news_al3alm',
},
'params': {
'format': 'best[format_id^=http-]',
},
}]
def _real_extract(self, url):

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