commit 9f5f9602131c440919c29aa81b586fe5b83891a8
parent 7cc3c6fd62d82bac36c583a8d1dc6c2f6da8c178
Author: Gergely Imreh <imrehg@gmail.com>
Date: Sun, 13 Feb 2011 21:26:58 +0800
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.
Diffstat:
| M | youtube-dl | | | 225 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 225 insertions(+), 0 deletions(-)
diff --git a/youtube-dl b/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
