mirror of
https://github.com/ytdl-org/youtube-dl
synced 2024-11-05 09:57:59 +09:00
199 lines
8.4 KiB
Python
199 lines
8.4 KiB
Python
# 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,
|
|
)
|
|
from .brightcove import BrightcoveIE
|
|
|
|
|
|
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'85b90ccc9d73b4acd9138d3af4c27f89',
|
|
u'info_dict': {
|
|
u"uploader": u"www.hodiho.fr",
|
|
u"title": u"R\u00e9gis plante sa Jeep"
|
|
}
|
|
},
|
|
{
|
|
u'url': u'http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/',
|
|
u'file': u'2371591881001.mp4',
|
|
u'md5': u'9e80619e0a94663f0bdc849b4566af19',
|
|
u'note': u'Test Brightcove downloads and detection in GenericIE',
|
|
u'info_dict': {
|
|
u'title': u'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
|
|
u'uploader': u'8TV',
|
|
u'description': u'md5:a950cc4285c43e44d763d036710cd9cd',
|
|
}
|
|
},
|
|
]
|
|
|
|
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 _test_redirect(self, url):
|
|
"""Check if it is a redirect, like url shorteners, in case return the new url."""
|
|
class HeadRequest(compat_urllib_request.Request):
|
|
def get_method(self):
|
|
return "HEAD"
|
|
|
|
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')
|
|
new_url = response.geturl()
|
|
|
|
if url == new_url:
|
|
return False
|
|
|
|
self.report_following_redirect(new_url)
|
|
return new_url
|
|
|
|
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)
|
|
|
|
try:
|
|
new_url = self._test_redirect(url)
|
|
if new_url:
|
|
return [self.url_result(new_url)]
|
|
except compat_urllib_error.HTTPError:
|
|
# This may be a stupid server that doesn't like HEAD, our UA, or so
|
|
pass
|
|
|
|
video_id = url.split('/')[-1]
|
|
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'Invalid URL: %s' % url)
|
|
|
|
self.report_extraction(video_id)
|
|
# Look for BrightCove:
|
|
m_brightcove = re.search(r'<object.+?class=([\'"]).*?BrightcoveExperience.*?\1.+?</object>', webpage, re.DOTALL)
|
|
if m_brightcove is not None:
|
|
self.to_screen(u'Brightcove video detected.')
|
|
bc_url = BrightcoveIE._build_brighcove_url(m_brightcove.group())
|
|
return self.url_result(bc_url, 'Brightcove')
|
|
|
|
# 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'Invalid 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'Invalid URL: %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_extension = os.path.splitext(video_id)[1][1:]
|
|
video_id = os.path.splitext(video_id)[0]
|
|
|
|
# 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'<title>(.*)</title>',
|
|
webpage, u'video title', default=u'video', flags=re.DOTALL)
|
|
|
|
# video uploader is domain name
|
|
video_uploader = self._search_regex(r'(?:https?://)?([^/]*)/.*',
|
|
url, u'video uploader')
|
|
|
|
return [{
|
|
'id': video_id,
|
|
'url': video_url,
|
|
'uploader': video_uploader,
|
|
'upload_date': None,
|
|
'title': video_title,
|
|
'ext': video_extension,
|
|
}]
|