1
mirror of https://github.com/yt-dlp/yt-dlp synced 2024-12-14 20:59:16 +01:00
yt-dlp/youtube_dl/extractor/generic.py
2013-12-27 08:38:42 +01:00

352 lines
15 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# encoding: utf-8
import os
import re
from .common import InfoExtractor
from ..utils import (
compat_urllib_error,
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
ExtractorError,
HEADRequest,
smuggle_url,
unescapeHTML,
unified_strdate,
url_basename,
)
from .brightcove import BrightcoveIE
from .ooyala import OoyalaIE
class GenericIE(InfoExtractor):
IE_DESC = u'Generic downloader that works on some sites'
_VALID_URL = r'.*'
IE_NAME = u'generic'
_TESTS = [
{
u'url': u'http://www.hodiho.fr/2013/02/regis-plante-sa-jeep.html',
u'file': u'13601338388002.mp4',
u'md5': u'6e15c93721d7ec9e9ca3fdbf07982cfd',
u'info_dict': {
u"uploader": u"www.hodiho.fr",
u"title": u"R\u00e9gis plante sa Jeep"
}
},
# embedded vimeo video
{
u'add_ie': ['Vimeo'],
u'url': u'http://skillsmatter.com/podcast/home/move-semanticsperfect-forwarding-and-rvalue-references',
u'file': u'22444065.mp4',
u'md5': u'2903896e23df39722c33f015af0666e2',
u'info_dict': {
u'title': u'ACCU 2011: Move Semantics,Perfect Forwarding, and Rvalue references- Scott Meyers- 13/04/2011',
u"uploader_id": u"skillsmatter",
u"uploader": u"Skills Matter",
}
},
# bandcamp page with custom domain
{
u'add_ie': ['Bandcamp'],
u'url': u'http://bronyrock.com/track/the-pony-mash',
u'file': u'3235767654.mp3',
u'info_dict': {
u'title': u'The Pony Mash',
u'uploader': u'M_Pallante',
},
u'skip': u'There is a limit of 200 free downloads / month for the test song',
},
# embedded brightcove video
# it also tests brightcove videos that need to set the 'Referer' in the
# http requests
{
u'add_ie': ['Brightcove'],
u'url': u'http://www.bfmtv.com/video/bfmbusiness/cours-bourse/cours-bourse-l-analyse-technique-154522/',
u'info_dict': {
u'id': u'2765128793001',
u'ext': u'mp4',
u'title': u'Le cours de bourse : lanalyse technique',
u'description': u'md5:7e9ad046e968cb2d1114004aba466fd9',
u'uploader': u'BFM BUSINESS',
},
u'params': {
u'skip_download': True,
},
},
# Direct link to a video
{
u'url': u'http://media.w3.org/2010/05/sintel/trailer.mp4',
u'file': u'trailer.mp4',
u'md5': u'67d406c2bcb6af27fa886f31aa934bbe',
u'info_dict': {
u'id': u'trailer',
u'title': u'trailer',
u'upload_date': u'20100513',
}
},
# ooyala video
{
u'url': u'http://www.rollingstone.com/music/videos/norwegian-dj-cashmere-cat-goes-spartan-on-with-me-premiere-20131219',
u'md5': u'5644c6ca5d5782c1d0d350dad9bd840c',
u'info_dict': {
u'id': u'BwY2RxaTrTkslxOfcan0UCf0YqyvWysJ',
u'ext': u'mp4',
u'title': u'2cc213299525360.mov', #that's what we get
},
},
]
def report_download_webpage(self, video_id):
"""Report webpage download."""
if not self._downloader.params.get('test', False):
self._downloader.report_warning(u'Falling back on generic information extractor.')
super(GenericIE, self).report_download_webpage(video_id)
def report_following_redirect(self, new_url):
"""Report information extraction."""
self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
def _send_head(self, url):
"""Check if it is a redirect, like url shorteners, in case return the new url."""
class HEADRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
"""
Subclass the HTTPRedirectHandler to make it use our
HEADRequest also on the redirected URL
"""
def redirect_request(self, req, fp, code, msg, headers, newurl):
if code in (301, 302, 303, 307):
newurl = newurl.replace(' ', '%20')
newheaders = dict((k,v) for k,v in req.headers.items()
if k.lower() not in ("content-length", "content-type"))
return HEADRequest(newurl,
headers=newheaders,
origin_req_host=req.get_origin_req_host(),
unverifiable=True)
else:
raise compat_urllib_error.HTTPError(req.get_full_url(), code, msg, headers, fp)
class HTTPMethodFallback(compat_urllib_request.BaseHandler):
"""
Fallback to GET if HEAD is not allowed (405 HTTP error)
"""
def http_error_405(self, req, fp, code, msg, headers):
fp.read()
fp.close()
newheaders = dict((k,v) for k,v in req.headers.items()
if k.lower() not in ("content-length", "content-type"))
return self.parent.open(compat_urllib_request.Request(req.get_full_url(),
headers=newheaders,
origin_req_host=req.get_origin_req_host(),
unverifiable=True))
# Build our opener
opener = compat_urllib_request.OpenerDirector()
for handler in [compat_urllib_request.HTTPHandler, compat_urllib_request.HTTPDefaultErrorHandler,
HTTPMethodFallback, HEADRedirectHandler,
compat_urllib_request.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]:
opener.add_handler(handler())
response = opener.open(HEADRequest(url))
if response is None:
raise ExtractorError(u'Invalid URL protocol')
return response
def _real_extract(self, url):
parsed_url = compat_urlparse.urlparse(url)
if not parsed_url.scheme:
self._downloader.report_warning('The url doesn\'t specify the protocol, trying with http')
return self.url_result('http://' + url)
video_id = os.path.splitext(url.split('/')[-1])[0]
self.to_screen(u'%s: Requesting header' % video_id)
try:
response = self._send_head(url)
# Check for redirect
new_url = response.geturl()
if url != new_url:
self.report_following_redirect(new_url)
return self.url_result(new_url)
# Check for direct link to a video
content_type = response.headers.get('Content-Type', '')
m = re.match(r'^(?P<type>audio|video|application(?=/ogg$))/(?P<format_id>.+)$', content_type)
if m:
upload_date = response.headers.get('Last-Modified')
if upload_date:
upload_date = unified_strdate(upload_date)
return {
'id': video_id,
'title': os.path.splitext(url_basename(url))[0],
'formats': [{
'format_id': m.group('format_id'),
'url': url,
'vcodec': u'none' if m.group('type') == 'audio' else None
}],
'upload_date': upload_date,
}
except compat_urllib_error.HTTPError:
# This may be a stupid server that doesn't like HEAD, our UA, or so
pass
try:
webpage = self._download_webpage(url, video_id)
except ValueError:
# since this is the last-resort InfoExtractor, if
# this error is thrown, it'll be thrown here
raise ExtractorError(u'Failed to download URL: %s' % url)
self.report_extraction(video_id)
# it's tempting to parse this further, but you would
# have to take into account all the variations like
# Video Title - Site Name
# Site Name | Video Title
# Video Title - Tagline | Site Name
# and so on and so forth; it's just not practical
video_title = self._html_search_regex(
r'(?s)<title>(.*?)</title>', webpage, u'video title',
default=u'video')
# video uploader is domain name
video_uploader = self._search_regex(
r'^(?:https?://)?([^/]*)/.*', url, u'video uploader')
# Look for BrightCove:
bc_url = BrightcoveIE._extract_brightcove_url(webpage)
if bc_url is not None:
self.to_screen(u'Brightcove video detected.')
return self.url_result(bc_url, 'Brightcove')
# Look for embedded (iframe) Vimeo player
mobj = re.search(
r'<iframe[^>]+?src="(https?://player.vimeo.com/video/.+?)"', webpage)
if mobj:
player_url = unescapeHTML(mobj.group(1))
surl = smuggle_url(player_url, {'Referer': url})
return self.url_result(surl, 'Vimeo')
# Look for embedded (swf embed) Vimeo player
mobj = re.search(
r'<embed[^>]+?src="(https?://(?:www\.)?vimeo.com/moogaloop.swf.+?)"', webpage)
if mobj:
return self.url_result(mobj.group(1), 'Vimeo')
# Look for embedded YouTube player
matches = re.findall(r'''(?x)
(?:<iframe[^>]+?src=|embedSWF\(\s*)
(["\'])(?P<url>(?:https?:)?//(?:www\.)?youtube\.com/
(?:embed|v)/.+?)
\1''', webpage)
if matches:
urlrs = [self.url_result(unescapeHTML(tuppl[1]), 'Youtube')
for tuppl in matches]
return self.playlist_result(
urlrs, playlist_id=video_id, playlist_title=video_title)
# Look for embedded Dailymotion player
matches = re.findall(
r'<iframe[^>]+?src=(["\'])(?P<url>(?:https?:)?//(?:www\.)?dailymotion\.com/embed/video/.+?)\1', webpage)
if matches:
urlrs = [self.url_result(unescapeHTML(tuppl[1]), 'Dailymotion')
for tuppl in matches]
return self.playlist_result(
urlrs, playlist_id=video_id, playlist_title=video_title)
# Look for embedded Wistia player
match = re.search(
r'<iframe[^>]+?src=(["\'])(?P<url>(?:https?:)?//(?:fast\.)?wistia\.net/embed/iframe/.+?)\1', webpage)
if match:
return {
'_type': 'url_transparent',
'url': unescapeHTML(match.group('url')),
'ie_key': 'Wistia',
'uploader': video_uploader,
'title': video_title,
'id': video_id,
}
# Look for embedded blip.tv player
mobj = re.search(r'<meta\s[^>]*https?://api.blip.tv/\w+/redirect/\w+/(\d+)', webpage)
if mobj:
return self.url_result('http://blip.tv/seo/-'+mobj.group(1), 'BlipTV')
mobj = re.search(r'<(?:iframe|embed|object)\s[^>]*https?://(?:\w+\.)?blip.tv/(?:play/|api\.swf#)([a-zA-Z0-9]+)', webpage)
if mobj:
player_url = 'http://blip.tv/play/%s.x?p=1' % mobj.group(1)
player_page = self._download_webpage(player_url, mobj.group(1))
blip_video_id = self._search_regex(r'data-episode-id="(\d+)', player_page, u'blip_video_id', fatal=False)
if blip_video_id:
return self.url_result('http://blip.tv/seo/-'+blip_video_id, 'BlipTV')
# Look for Bandcamp pages with custom domain
mobj = re.search(r'<meta property="og:url"[^>]*?content="(.*?bandcamp\.com.*?)"', webpage)
if mobj is not None:
burl = unescapeHTML(mobj.group(1))
# Don't set the extractor because it can be a track url or an album
return self.url_result(burl)
# Look for embedded Vevo player
mobj = re.search(
r'<iframe[^>]+?src=(["\'])(?P<url>(?:https?:)?//(?:cache\.)?vevo\.com/.+?)\1', webpage)
if mobj is not None:
return self.url_result(mobj.group('url'))
# Look for Ooyala videos
mobj = re.search(r'player.ooyala.com/[^"?]+\?[^"]*?(?:embedCode|ec)=([^"&]+)', webpage)
if mobj is not None:
return OoyalaIE._build_url_result(mobj.group(1))
# Look for Aparat videos
mobj = re.search(r'<iframe src="(http://www.aparat.com/video/[^"]+)"', webpage)
if mobj is not None:
return self.url_result(mobj.group(1), 'Aparat')
# Start with something easy: JW Player in SWFObject
mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
if mobj is None:
# Broaden the search a little bit
mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
if mobj is None:
# Broaden the search a little bit: JWPlayer JS loader
mobj = re.search(r'[^A-Za-z0-9]?file["\']?:\s*["\'](http[^\'"]*)', webpage)
if mobj is None:
# Try to find twitter cards info
mobj = re.search(r'<meta (?:property|name)="twitter:player:stream" (?:content|value)="(.+?)"', webpage)
if mobj is None:
# We look for Open Graph info:
# We have to match any number spaces between elements, some sites try to align them (eg.: statigr.am)
m_video_type = re.search(r'<meta.*?property="og:video:type".*?content="video/(.*?)"', webpage)
# We only look in og:video if the MIME type is a video, don't try if it's a Flash player:
if m_video_type is not None:
mobj = re.search(r'<meta.*?property="og:video".*?content="(.*?)"', webpage)
if mobj is None:
# HTML5 video
mobj = re.search(r'<video[^<]*(?:>.*?<source.*?)? src="([^"]+)"', webpage, flags=re.DOTALL)
if mobj is None:
raise ExtractorError(u'Unsupported URL: %s' % url)
# It's possible that one of the regexes
# matched, but returned an empty group:
if mobj.group(1) is None:
raise ExtractorError(u'Did not find a valid video URL at %s' % url)
video_url = mobj.group(1)
video_url = compat_urlparse.urljoin(url, video_url)
video_id = compat_urllib_parse.unquote(os.path.basename(video_url))
# here's a fun little line of code for you:
video_id = os.path.splitext(video_id)[0]
return {
'id': video_id,
'url': video_url,
'uploader': video_uploader,
'title': video_title,
}