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https://github.com/ytdl-org/youtube-dl
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Add support for direct links to a video (#1973)
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parent
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commit
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@ -13,6 +13,8 @@ from ..utils import (
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ExtractorError,
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smuggle_url,
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unescapeHTML,
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unified_strdate,
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url_basename,
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)
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from .brightcove import BrightcoveIE
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@ -71,6 +73,17 @@ class GenericIE(InfoExtractor):
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u'skip_download': True,
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},
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},
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# Direct link to a video
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{
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u'url': u'http://media.w3.org/2010/05/sintel/trailer.mp4',
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u'file': u'trailer.mp4',
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u'md5': u'67d406c2bcb6af27fa886f31aa934bbe',
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u'info_dict': {
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u'id': u'trailer',
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u'title': u'trailer',
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u'upload_date': u'20100513',
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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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@ -83,7 +96,7 @@ class GenericIE(InfoExtractor):
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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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def _send_head(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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@ -131,29 +144,46 @@ class GenericIE(InfoExtractor):
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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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return response
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def _real_extract(self, url):
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parsed_url = compat_urlparse.urlparse(url)
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if not parsed_url.scheme:
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self._downloader.report_warning('The url doesn\'t specify the protocol, trying with http')
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return self.url_result('http://' + url)
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video_id = os.path.splitext(url.split('/')[-1])[0]
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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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response = self._send_head(url)
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# Check for redirect
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new_url = response.geturl()
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if url != new_url:
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self.report_following_redirect(new_url)
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return self.url_result(new_url)
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# Check for direct link to a video
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content_type = response.headers.get('Content-Type', '')
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m = re.match(r'^(?:audio|video)/(?P<format_id>.+)$', content_type)
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if m:
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upload_date = response.headers.get('Last-Modified')
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if upload_date:
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upload_date = unified_strdate(upload_date)
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assert (url_basename(url) == 'trailer.mp4')
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return {
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'id': video_id,
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'title': os.path.splitext(url_basename(url))[0],
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'formats': [{
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'format_id': m.group('format_id'),
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'url': url,
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}],
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'upload_date': upload_date,
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}
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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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@ -761,12 +761,17 @@ def unified_strdate(date_str):
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'%Y-%m-%dT%H:%M:%S.%fZ',
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'%Y-%m-%dT%H:%M:%S.%f0Z',
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'%Y-%m-%dT%H:%M:%S',
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'%Y-%m-%dT%H:%M:%S',
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]
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for expression in format_expressions:
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try:
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upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
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except:
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pass
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if upload_date is None:
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timetuple = email.utils.parsedate_tz(date_str)
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if timetuple:
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upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
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return upload_date
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def determine_ext(url, default_ext=u'unknown_video'):
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