mirror of
https://github.com/yt-dlp/yt-dlp.git
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231 lines
9.2 KiB
Python
231 lines
9.2 KiB
Python
from __future__ import unicode_literals
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import json
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import re
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import socket
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from .common import InfoExtractor
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from ..compat import (
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compat_http_client,
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compat_urllib_error,
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compat_urllib_parse_unquote,
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)
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from ..utils import (
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error_to_compat_str,
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ExtractorError,
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limit_length,
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sanitized_Request,
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urlencode_postdata,
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get_element_by_id,
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clean_html,
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)
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class FacebookIE(InfoExtractor):
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_VALID_URL = r'''(?x)
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(?:
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https?://
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(?:\w+\.)?facebook\.com/
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(?:[^#]*?\#!/)?
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(?:
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(?:
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video/video\.php|
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photo\.php|
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video\.php|
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video/embed
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)\?(?:.*?)(?:v|video_id)=|
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[^/]+/videos/(?:[^/]+/)?
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facebook:
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)
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(?P<id>[0-9]+)
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'''
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_LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
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_CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
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_NETRC_MACHINE = 'facebook'
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IE_NAME = 'facebook'
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_TESTS = [{
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'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
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'md5': '6a40d33c0eccbb1af76cf0485a052659',
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'info_dict': {
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'id': '637842556329505',
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'ext': 'mp4',
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'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
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'uploader': 'Tennis on Facebook',
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}
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}, {
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'note': 'Video without discernible title',
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'url': 'https://www.facebook.com/video.php?v=274175099429670',
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'info_dict': {
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'id': '274175099429670',
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'ext': 'mp4',
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'title': 'Facebook video #274175099429670',
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'uploader': 'Asif Nawab Butt',
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},
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'expected_warnings': [
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'title'
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]
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}, {
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'url': 'https://www.facebook.com/video.php?v=10204634152394104',
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'only_matching': True,
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}, {
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'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
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'only_matching': True,
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}, {
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'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
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'only_matching': True,
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}, {
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'url': 'facebook:544765982287235',
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'only_matching': True,
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}]
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def _login(self):
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(useremail, password) = self._get_login_info()
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if useremail is None:
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return
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login_page_req = sanitized_Request(self._LOGIN_URL)
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self._set_cookie('facebook.com', 'locale', 'en_US')
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login_page = self._download_webpage(login_page_req, None,
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note='Downloading login page',
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errnote='Unable to download login page')
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lsd = self._search_regex(
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r'<input type="hidden" name="lsd" value="([^"]*)"',
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login_page, 'lsd')
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lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
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login_form = {
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'email': useremail,
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'pass': password,
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'lsd': lsd,
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'lgnrnd': lgnrnd,
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'next': 'http://facebook.com/home.php',
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'default_persistent': '0',
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'legacy_return': '1',
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'timezone': '-60',
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'trynum': '1',
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}
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request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
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request.add_header('Content-Type', 'application/x-www-form-urlencoded')
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try:
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login_results = self._download_webpage(request, None,
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note='Logging in', errnote='unable to fetch login page')
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if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
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error = self._html_search_regex(
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r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
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login_results, 'login error', default=None, group='error')
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if error:
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raise ExtractorError('Unable to login: %s' % error, expected=True)
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self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
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return
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fb_dtsg = self._search_regex(
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r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
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h = self._search_regex(
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r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
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if not fb_dtsg or not h:
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return
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check_form = {
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'fb_dtsg': fb_dtsg,
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'h': h,
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'name_action_selected': 'dont_save',
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}
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check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
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check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
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check_response = self._download_webpage(check_req, None,
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note='Confirming login')
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if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
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self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
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return
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def _real_initialize(self):
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self._login()
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def _real_extract(self, url):
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video_id = self._match_id(url)
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url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
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webpage = self._download_webpage(url, video_id)
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BEFORE = '{swf.addParam(param[0], param[1]);});\n'
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AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
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m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
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if not m:
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m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
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if m_msg is not None:
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raise ExtractorError(
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'The video is not available, Facebook said: "%s"' % m_msg.group(1),
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expected=True)
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else:
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raise ExtractorError('Cannot parse data')
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data = dict(json.loads(m.group(1)))
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params_raw = compat_urllib_parse_unquote(data['params'])
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params = json.loads(params_raw)
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formats = []
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for format_id, f in params['video_data'].items():
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if not f or not isinstance(f, list):
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continue
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for quality in ('sd', 'hd'):
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for src_type in ('src', 'src_no_ratelimit'):
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src = f[0].get('%s_%s' % (quality, src_type))
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if src:
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formats.append({
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'format_id': '%s_%s_%s' % (format_id, quality, src_type),
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'url': src,
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'preference': -10 if format_id == 'progressive' else 0,
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})
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if not formats:
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raise ExtractorError('Cannot find video formats')
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video_title = self._html_search_regex(
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r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title',
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default=None)
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if not video_title:
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video_title = self._html_search_regex(
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r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
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webpage, 'alternative title', default=None)
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video_title = limit_length(video_title, 80)
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if not video_title:
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video_title = 'Facebook video #%s' % video_id
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uploader = clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage))
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return {
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'id': video_id,
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'title': video_title,
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'formats': formats,
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'uploader': uploader,
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}
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class FacebookPostIE(InfoExtractor):
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IE_NAME = 'facebook:post'
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_VALID_URL = r'https?://(?:\w+\.)?facebook\.com/[^/]+/posts/(?P<id>\d+)'
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_TEST = {
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'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
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'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
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'info_dict': {
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'id': '544765982287235',
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'ext': 'mp4',
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'title': '"What are you doing running in the snow?"',
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'uploader': 'FailArmy',
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}
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}
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def _real_extract(self, url):
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post_id = self._match_id(url)
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webpage = self._download_webpage(url, post_id)
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entries = [
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self.url_result('facebook:%s' % video_id, FacebookIE.ie_key())
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for video_id in self._parse_json(
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self._search_regex(
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r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
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webpage, 'video ids', group='ids'),
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post_id)]
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return self.playlist_result(entries, post_id)
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