mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-02 01:02:48 +01:00
Facebook info extractor
This IE should be full-featured. Public videos can be downloaded without login, e.g: https://www.facebook.com/video/video.php?v=696729990595 Private videos need login, and subject to login rate limit of a couple of tries / minute.
This commit is contained in:
Gergely Imreh
parent
7cc3c6fd62
commit
9f5f960213
225
youtube-dl
225
youtube-dl
@ -2339,6 +2339,229 @@ class DepositFilesIE(InfoExtractor):
|
||||
except UnavailableVideoError, err:
|
||||
self._downloader.trouble(u'ERROR: unable to download file')
|
||||
|
||||
class FacebookIE(InfoExtractor):
|
||||
"""Information Extractor for Facebook"""
|
||||
|
||||
_VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook.com/video/video.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
|
||||
_LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&'
|
||||
_NETRC_MACHINE = 'facebook'
|
||||
_available_formats = ['highqual', 'lowqual']
|
||||
_video_extensions = {
|
||||
'highqual': 'mp4',
|
||||
'lowqual': 'mp4',
|
||||
}
|
||||
|
||||
def __init__(self, downloader=None):
|
||||
InfoExtractor.__init__(self, downloader)
|
||||
|
||||
@staticmethod
|
||||
def suitable(url):
|
||||
return (re.match(FacebookIE._VALID_URL, url) is not None)
|
||||
|
||||
def _reporter(self, message):
|
||||
"""Add header and report message."""
|
||||
self._downloader.to_screen(u'[facebook] %s' % message)
|
||||
|
||||
def report_login(self):
|
||||
"""Report attempt to log in."""
|
||||
self._reporter(u'Logging in')
|
||||
|
||||
def report_video_webpage_download(self, video_id):
|
||||
"""Report attempt to download video webpage."""
|
||||
self._reporter(u'%s: Downloading video webpage' % video_id)
|
||||
|
||||
def report_information_extraction(self, video_id):
|
||||
"""Report attempt to extract video information."""
|
||||
self._reporter(u'%s: Extracting video information' % video_id)
|
||||
|
||||
def _parse_page(self, video_webpage):
|
||||
"""Extract video information from page"""
|
||||
# General data
|
||||
data = {'title': r'class="video_title datawrap">(.*?)</',
|
||||
'description': r'<div class="datawrap">(.*?)</div>',
|
||||
'owner': r'\("video_owner_name", "(.*?)"\)',
|
||||
'upload_date': r'data-date="(.*?)"',
|
||||
'thumbnail': r'\("thumb_url", "(?P<THUMB>.*?)"\)',
|
||||
}
|
||||
video_info = {}
|
||||
for piece in data.keys():
|
||||
mobj = re.search(data[piece], video_webpage)
|
||||
if mobj is not None:
|
||||
video_info[piece] = urllib.unquote_plus(mobj.group(1).decode("unicode_escape"))
|
||||
|
||||
# Video urls
|
||||
video_urls = {}
|
||||
for fmt in self._available_formats:
|
||||
mobj = re.search(r'\("%s_src\", "(.+?)"\)' % fmt, video_webpage)
|
||||
if mobj is not None:
|
||||
# URL is in a Javascript segment inside an escaped Unicode format within
|
||||
# the generally utf-8 page
|
||||
video_urls[fmt] = urllib.unquote_plus(mobj.group(1).decode("unicode_escape"))
|
||||
video_info['video_urls'] = video_urls
|
||||
|
||||
return video_info
|
||||
|
||||
def _real_initialize(self):
|
||||
if self._downloader is None:
|
||||
return
|
||||
|
||||
useremail = None
|
||||
password = None
|
||||
downloader_params = self._downloader.params
|
||||
|
||||
# Attempt to use provided username and password or .netrc data
|
||||
if downloader_params.get('username', None) is not None:
|
||||
useremail = downloader_params['username']
|
||||
password = downloader_params['password']
|
||||
elif downloader_params.get('usenetrc', False):
|
||||
try:
|
||||
info = netrc.netrc().authenticators(self._NETRC_MACHINE)
|
||||
if info is not None:
|
||||
useremail = info[0]
|
||||
password = info[2]
|
||||
else:
|
||||
raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
|
||||
except (IOError, netrc.NetrcParseError), err:
|
||||
self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % str(err))
|
||||
return
|
||||
|
||||
if useremail is None:
|
||||
return
|
||||
|
||||
# Log in
|
||||
login_form = {
|
||||
'email': useremail,
|
||||
'pass': password,
|
||||
'login': 'Log+In'
|
||||
}
|
||||
request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form))
|
||||
try:
|
||||
self.report_login()
|
||||
login_results = urllib2.urlopen(request).read()
|
||||
if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
|
||||
self._downloader.to_stderr(u'WARNING: unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
|
||||
return
|
||||
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
|
||||
self._downloader.to_stderr(u'WARNING: unable to log in: %s' % str(err))
|
||||
return
|
||||
|
||||
def _real_extract(self, url):
|
||||
mobj = re.match(self._VALID_URL, url)
|
||||
if mobj is None:
|
||||
self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
|
||||
return
|
||||
video_id = mobj.group('ID')
|
||||
|
||||
# Get video webpage
|
||||
self.report_video_webpage_download(video_id)
|
||||
request = urllib2.Request('https://www.facebook.com/video/video.php?v=%s' % video_id)
|
||||
try:
|
||||
page = urllib2.urlopen(request)
|
||||
video_webpage = page.read()
|
||||
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
|
||||
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
|
||||
return
|
||||
|
||||
# Start extracting information
|
||||
self.report_information_extraction(video_id)
|
||||
|
||||
# Extract information
|
||||
video_info = self._parse_page(video_webpage)
|
||||
|
||||
# uploader
|
||||
if 'owner' not in video_info:
|
||||
self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
|
||||
return
|
||||
video_uploader = video_info['owner']
|
||||
|
||||
# title
|
||||
if 'title' not in video_info:
|
||||
self._downloader.trouble(u'ERROR: unable to extract video title')
|
||||
return
|
||||
video_title = video_info['title']
|
||||
video_title = video_title.decode('utf-8')
|
||||
video_title = sanitize_title(video_title)
|
||||
|
||||
# simplified title
|
||||
simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
|
||||
simple_title = simple_title.strip(ur'_')
|
||||
|
||||
# thumbnail image
|
||||
if 'thumbnail' not in video_info:
|
||||
self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
|
||||
video_thumbnail = ''
|
||||
else:
|
||||
video_thumbnail = video_info['thumbnail']
|
||||
|
||||
# upload date
|
||||
upload_date = u'NA'
|
||||
if 'upload_date' in video_info:
|
||||
upload_time = video_info['upload_date']
|
||||
timetuple = email.utils.parsedate_tz(upload_time)
|
||||
if timetuple is not None:
|
||||
try:
|
||||
upload_date = time.strftime('%Y%m%d', timetuple[0:9])
|
||||
except:
|
||||
pass
|
||||
|
||||
# description
|
||||
video_description = 'No description available.'
|
||||
if (self._downloader.params.get('forcedescription', False) and
|
||||
'description' in video_info):
|
||||
video_description = video_info['description']
|
||||
|
||||
url_map = video_info['video_urls']
|
||||
if len(url_map.keys()) > 0:
|
||||
# Decide which formats to download
|
||||
req_format = self._downloader.params.get('format', None)
|
||||
format_limit = self._downloader.params.get('format_limit', None)
|
||||
|
||||
if format_limit is not None and format_limit in self._available_formats:
|
||||
format_list = self._available_formats[self._available_formats.index(format_limit):]
|
||||
else:
|
||||
format_list = self._available_formats
|
||||
existing_formats = [x for x in format_list if x in url_map]
|
||||
if len(existing_formats) == 0:
|
||||
self._downloader.trouble(u'ERROR: no known formats available for video')
|
||||
return
|
||||
if req_format is None:
|
||||
video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
|
||||
elif req_format == '-1':
|
||||
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
|
||||
else:
|
||||
# Specific format
|
||||
if req_format not in url_map:
|
||||
self._downloader.trouble(u'ERROR: requested format not available')
|
||||
return
|
||||
video_url_list = [(req_format, url_map[req_format])] # Specific format
|
||||
|
||||
for format_param, video_real_url in video_url_list:
|
||||
|
||||
# At this point we have a new video
|
||||
self._downloader.increment_downloads()
|
||||
|
||||
# Extension
|
||||
video_extension = self._video_extensions.get(format_param, 'mp4')
|
||||
|
||||
# Find the video URL in fmt_url_map or conn paramters
|
||||
try:
|
||||
# Process video information
|
||||
self._downloader.process_info({
|
||||
'id': video_id.decode('utf-8'),
|
||||
'url': video_real_url.decode('utf-8'),
|
||||
'uploader': video_uploader.decode('utf-8'),
|
||||
'upload_date': upload_date,
|
||||
'title': video_title,
|
||||
'stitle': simple_title,
|
||||
'ext': video_extension.decode('utf-8'),
|
||||
'format': (format_param is None and u'NA' or format_param.decode('utf-8')),
|
||||
'thumbnail': video_thumbnail.decode('utf-8'),
|
||||
'description': video_description.decode('utf-8'),
|
||||
'player_url': None,
|
||||
})
|
||||
except UnavailableVideoError, err:
|
||||
self._downloader.trouble(u'\nERROR: unable to download video')
|
||||
|
||||
class PostProcessor(object):
|
||||
"""Post Processor class.
|
||||
|
||||
@ -2594,6 +2817,7 @@ if __name__ == '__main__':
|
||||
yahoo_ie = YahooIE()
|
||||
yahoo_search_ie = YahooSearchIE(yahoo_ie)
|
||||
deposit_files_ie = DepositFilesIE()
|
||||
facebook_ie = FacebookIE()
|
||||
generic_ie = GenericIE()
|
||||
|
||||
# File downloader
|
||||
@ -2645,6 +2869,7 @@ if __name__ == '__main__':
|
||||
fd.add_info_extractor(yahoo_ie)
|
||||
fd.add_info_extractor(yahoo_search_ie)
|
||||
fd.add_info_extractor(deposit_files_ie)
|
||||
fd.add_info_extractor(facebook_ie)
|
||||
|
||||
# This must come last since it's the
|
||||
# fallback if none of the others work
|
||||
|
||||
Loading…
Reference in New Issue
Block a user