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- import os
- import re
-
- from .common import InfoExtractor
- from ..utils import (
- compat_urllib_error,
- compat_urllib_parse,
- compat_urllib_request,
-
- ExtractorError,
- )
-
- class GenericIE(InfoExtractor):
- """Generic last-resort information extractor."""
-
- _VALID_URL = r'.*'
- IE_NAME = u'generic'
- _TEST = {
- 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"
- }
- }
-
- 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):
- new_url = self._test_redirect(url)
- if new_url: return [self.url_result(new_url)]
-
- 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)
- # 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:
- 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 = compat_urllib_parse.unquote(mobj.group(1))
- video_id = 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')
-
- # 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,
- }]
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