mirror of
https://codeberg.org/polarisfm/youtube-dl
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ae3531adf9
When the url is something like http://example.org/foo/bar?x=y and the added is file/video.mp4 , we want http://example.org/foo/file/video.mp4 Fixes #1268.
202 lines
8.6 KiB
Python
202 lines
8.6 KiB
Python
# encoding: utf-8
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import os
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import re
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from .common import InfoExtractor
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from ..utils import (
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compat_urllib_error,
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compat_urllib_parse,
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compat_urllib_parse_urlparse,
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compat_urllib_request,
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ExtractorError,
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)
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from .brightcove import BrightcoveIE
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class GenericIE(InfoExtractor):
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IE_DESC = u'Generic downloader that works on some sites'
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_VALID_URL = r'.*'
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IE_NAME = u'generic'
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_TESTS = [
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{
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u'url': u'http://www.hodiho.fr/2013/02/regis-plante-sa-jeep.html',
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u'file': u'13601338388002.mp4',
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u'md5': u'85b90ccc9d73b4acd9138d3af4c27f89',
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u'info_dict': {
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u"uploader": u"www.hodiho.fr",
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u"title": u"R\u00e9gis plante sa Jeep"
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}
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},
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{
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u'url': u'http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/',
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u'file': u'2371591881001.mp4',
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u'md5': u'9e80619e0a94663f0bdc849b4566af19',
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u'note': u'Test Brightcove downloads and detection in GenericIE',
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u'info_dict': {
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u'title': u'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
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u'uploader': u'8TV',
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u'description': u'md5:a950cc4285c43e44d763d036710cd9cd',
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}
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},
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]
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def report_download_webpage(self, video_id):
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"""Report webpage download."""
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if not self._downloader.params.get('test', False):
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self._downloader.report_warning(u'Falling back on generic information extractor.')
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super(GenericIE, self).report_download_webpage(video_id)
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def report_following_redirect(self, new_url):
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"""Report information extraction."""
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self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
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def _test_redirect(self, url):
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"""Check if it is a redirect, like url shorteners, in case return the new url."""
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class HeadRequest(compat_urllib_request.Request):
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def get_method(self):
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return "HEAD"
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class HEADRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
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"""
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Subclass the HTTPRedirectHandler to make it use our
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HeadRequest also on the redirected URL
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"""
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def redirect_request(self, req, fp, code, msg, headers, newurl):
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if code in (301, 302, 303, 307):
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newurl = newurl.replace(' ', '%20')
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newheaders = dict((k,v) for k,v in req.headers.items()
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if k.lower() not in ("content-length", "content-type"))
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return HeadRequest(newurl,
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headers=newheaders,
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origin_req_host=req.get_origin_req_host(),
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unverifiable=True)
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else:
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raise compat_urllib_error.HTTPError(req.get_full_url(), code, msg, headers, fp)
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class HTTPMethodFallback(compat_urllib_request.BaseHandler):
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"""
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Fallback to GET if HEAD is not allowed (405 HTTP error)
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"""
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def http_error_405(self, req, fp, code, msg, headers):
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fp.read()
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fp.close()
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newheaders = dict((k,v) for k,v in req.headers.items()
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if k.lower() not in ("content-length", "content-type"))
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return self.parent.open(compat_urllib_request.Request(req.get_full_url(),
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headers=newheaders,
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origin_req_host=req.get_origin_req_host(),
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unverifiable=True))
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# Build our opener
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opener = compat_urllib_request.OpenerDirector()
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for handler in [compat_urllib_request.HTTPHandler, compat_urllib_request.HTTPDefaultErrorHandler,
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HTTPMethodFallback, HEADRedirectHandler,
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compat_urllib_request.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]:
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opener.add_handler(handler())
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response = opener.open(HeadRequest(url))
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if response is None:
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raise ExtractorError(u'Invalid URL protocol')
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new_url = response.geturl()
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if url == new_url:
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return False
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self.report_following_redirect(new_url)
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return new_url
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def _real_extract(self, url):
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try:
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new_url = self._test_redirect(url)
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if new_url:
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return [self.url_result(new_url)]
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except compat_urllib_error.HTTPError:
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# This may be a stupid server that doesn't like HEAD, our UA, or so
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pass
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video_id = url.split('/')[-1]
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try:
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webpage = self._download_webpage(url, video_id)
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except ValueError:
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# since this is the last-resort InfoExtractor, if
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# this error is thrown, it'll be thrown here
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raise ExtractorError(u'Invalid URL: %s' % url)
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self.report_extraction(video_id)
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# Look for BrightCove:
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m_brightcove = re.search(r'<object.+?class=([\'"]).*?BrightcoveExperience.*?\1.+?</object>', webpage, re.DOTALL)
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if m_brightcove is not None:
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self.to_screen(u'Brightcove video detected.')
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bc_url = BrightcoveIE._build_brighcove_url(m_brightcove.group())
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return self.url_result(bc_url, 'Brightcove')
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# Start with something easy: JW Player in SWFObject
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mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
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if mobj is None:
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# Broaden the search a little bit
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mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
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if mobj is None:
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# Broaden the search a little bit: JWPlayer JS loader
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mobj = re.search(r'[^A-Za-z0-9]?file["\']?:\s*["\'](http[^\'"&]*)', webpage)
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if mobj is None:
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# Try to find twitter cards info
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mobj = re.search(r'<meta (?:property|name)="twitter:player:stream" (?:content|value)="(.+?)"', webpage)
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if mobj is None:
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# We look for Open Graph info:
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# We have to match any number spaces between elements, some sites try to align them (eg.: statigr.am)
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m_video_type = re.search(r'<meta.*?property="og:video:type".*?content="video/(.*?)"', webpage)
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# We only look in og:video if the MIME type is a video, don't try if it's a Flash player:
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if m_video_type is not None:
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mobj = re.search(r'<meta.*?property="og:video".*?content="(.*?)"', webpage)
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if mobj is None:
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# HTML5 video
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mobj = re.search(r'<video[^<]*>.*?<source .*?src="([^"]+)"', webpage, flags=re.DOTALL)
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if mobj is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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# It's possible that one of the regexes
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# matched, but returned an empty group:
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if mobj.group(1) is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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video_url = compat_urllib_parse.unquote(mobj.group(1))
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if video_url.startswith('//'):
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video_url = compat_urllib_parse_urlparse(url).scheme + ':' + video_url
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if '://' not in video_url:
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up = compat_urllib_parse_urlparse(url)
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if video_url.startswith('/'):
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video_url = up.scheme + '://' + up.netloc + video_url
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else: # relative path
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video_url = (up.scheme + '://' + up.netloc +
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up.path.rpartition('/')[0] + '/' + video_url)
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video_id = os.path.basename(video_url)
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# here's a fun little line of code for you:
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video_extension = os.path.splitext(video_id)[1][1:]
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video_id = os.path.splitext(video_id)[0]
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# it's tempting to parse this further, but you would
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# have to take into account all the variations like
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# Video Title - Site Name
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# Site Name | Video Title
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# Video Title - Tagline | Site Name
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# and so on and so forth; it's just not practical
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video_title = self._html_search_regex(r'<title>(.*)</title>',
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webpage, u'video title', default=u'video', flags=re.DOTALL)
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# video uploader is domain name
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video_uploader = self._search_regex(r'(?:https?://)?([^/]*)/.*',
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url, u'video uploader')
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return [{
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'id': video_id,
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'url': video_url,
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'uploader': video_uploader,
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'upload_date': None,
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'title': video_title,
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'ext': video_extension,
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}]
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