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[youtube-dl.git] / youtube_dl / extractor / generic.py
1 # encoding: utf-8
2
3 import os
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8     compat_urllib_error,
9     compat_urllib_parse,
10     compat_urllib_request,
11     compat_urlparse,
12
13     ExtractorError,
14     smuggle_url,
15     unescapeHTML,
16 )
17 from .brightcove import BrightcoveIE
18
19
20 class GenericIE(InfoExtractor):
21     IE_DESC = u'Generic downloader that works on some sites'
22     _VALID_URL = r'.*'
23     IE_NAME = u'generic'
24     _TESTS = [
25         {
26             u'url': u'http://www.hodiho.fr/2013/02/regis-plante-sa-jeep.html',
27             u'file': u'13601338388002.mp4',
28             u'md5': u'6e15c93721d7ec9e9ca3fdbf07982cfd',
29             u'info_dict': {
30                 u"uploader": u"www.hodiho.fr",
31                 u"title": u"R\u00e9gis plante sa Jeep"
32             }
33         },
34         # embedded vimeo video
35         {
36             u'add_ie': ['Vimeo'],
37             u'url': u'http://skillsmatter.com/podcast/home/move-semanticsperfect-forwarding-and-rvalue-references',
38             u'file': u'22444065.mp4',
39             u'md5': u'2903896e23df39722c33f015af0666e2',
40             u'info_dict': {
41                 u'title': u'ACCU 2011: Move Semantics,Perfect Forwarding, and Rvalue references- Scott Meyers- 13/04/2011',
42                 u"uploader_id": u"skillsmatter",
43                 u"uploader": u"Skills Matter",
44             }
45         },
46         # bandcamp page with custom domain
47         {
48             u'add_ie': ['Bandcamp'],
49             u'url': u'http://bronyrock.com/track/the-pony-mash',
50             u'file': u'3235767654.mp3',
51             u'info_dict': {
52                 u'title': u'The Pony Mash',
53                 u'uploader': u'M_Pallante',
54             },
55             u'skip': u'There is a limit of 200 free downloads / month for the test song',
56         },
57         # embedded brightcove video
58         # it also tests brightcove videos that need to set the 'Referer' in the
59         # http requests
60         {
61             u'add_ie': ['Brightcove'],
62             u'url': u'http://www.bfmtv.com/video/bfmbusiness/cours-bourse/cours-bourse-l-analyse-technique-154522/',
63             u'info_dict': {
64                 u'id': u'2765128793001',
65                 u'ext': u'mp4',
66                 u'title': u'Le cours de bourse : l’analyse technique',
67                 u'description': u'md5:7e9ad046e968cb2d1114004aba466fd9',
68                 u'uploader': u'BFM BUSINESS',
69             },
70             u'params': {
71                 u'skip_download': True,
72             },
73         },
74     ]
75
76     def report_download_webpage(self, video_id):
77         """Report webpage download."""
78         if not self._downloader.params.get('test', False):
79             self._downloader.report_warning(u'Falling back on generic information extractor.')
80         super(GenericIE, self).report_download_webpage(video_id)
81
82     def report_following_redirect(self, new_url):
83         """Report information extraction."""
84         self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
85
86     def _test_redirect(self, url):
87         """Check if it is a redirect, like url shorteners, in case return the new url."""
88         class HeadRequest(compat_urllib_request.Request):
89             def get_method(self):
90                 return "HEAD"
91
92         class HEADRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
93             """
94             Subclass the HTTPRedirectHandler to make it use our
95             HeadRequest also on the redirected URL
96             """
97             def redirect_request(self, req, fp, code, msg, headers, newurl):
98                 if code in (301, 302, 303, 307):
99                     newurl = newurl.replace(' ', '%20')
100                     newheaders = dict((k,v) for k,v in req.headers.items()
101                                       if k.lower() not in ("content-length", "content-type"))
102                     return HeadRequest(newurl,
103                                        headers=newheaders,
104                                        origin_req_host=req.get_origin_req_host(),
105                                        unverifiable=True)
106                 else:
107                     raise compat_urllib_error.HTTPError(req.get_full_url(), code, msg, headers, fp)
108
109         class HTTPMethodFallback(compat_urllib_request.BaseHandler):
110             """
111             Fallback to GET if HEAD is not allowed (405 HTTP error)
112             """
113             def http_error_405(self, req, fp, code, msg, headers):
114                 fp.read()
115                 fp.close()
116
117                 newheaders = dict((k,v) for k,v in req.headers.items()
118                                   if k.lower() not in ("content-length", "content-type"))
119                 return self.parent.open(compat_urllib_request.Request(req.get_full_url(),
120                                                  headers=newheaders,
121                                                  origin_req_host=req.get_origin_req_host(),
122                                                  unverifiable=True))
123
124         # Build our opener
125         opener = compat_urllib_request.OpenerDirector()
126         for handler in [compat_urllib_request.HTTPHandler, compat_urllib_request.HTTPDefaultErrorHandler,
127                         HTTPMethodFallback, HEADRedirectHandler,
128                         compat_urllib_request.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]:
129             opener.add_handler(handler())
130
131         response = opener.open(HeadRequest(url))
132         if response is None:
133             raise ExtractorError(u'Invalid URL protocol')
134         new_url = response.geturl()
135
136         if url == new_url:
137             return False
138
139         self.report_following_redirect(new_url)
140         return new_url
141
142     def _real_extract(self, url):
143         parsed_url = compat_urlparse.urlparse(url)
144         if not parsed_url.scheme:
145             self._downloader.report_warning('The url doesn\'t specify the protocol, trying with http')
146             return self.url_result('http://' + url)
147
148         try:
149             new_url = self._test_redirect(url)
150             if new_url:
151                 return [self.url_result(new_url)]
152         except compat_urllib_error.HTTPError:
153             # This may be a stupid server that doesn't like HEAD, our UA, or so
154             pass
155
156         video_id = url.split('/')[-1]
157         try:
158             webpage = self._download_webpage(url, video_id)
159         except ValueError:
160             # since this is the last-resort InfoExtractor, if
161             # this error is thrown, it'll be thrown here
162             raise ExtractorError(u'Failed to download URL: %s' % url)
163
164         self.report_extraction(video_id)
165
166         # it's tempting to parse this further, but you would
167         # have to take into account all the variations like
168         #   Video Title - Site Name
169         #   Site Name | Video Title
170         #   Video Title - Tagline | Site Name
171         # and so on and so forth; it's just not practical
172         video_title = self._html_search_regex(r'<title>(.*)</title>',
173             webpage, u'video title', default=u'video', flags=re.DOTALL)
174
175         # Look for BrightCove:
176         bc_url = BrightcoveIE._extract_brightcove_url(webpage)
177         if bc_url is not None:
178             self.to_screen(u'Brightcove video detected.')
179             return self.url_result(bc_url, 'Brightcove')
180
181         # Look for embedded Vimeo player
182         mobj = re.search(
183             r'<iframe[^>]+?src="(https?://player.vimeo.com/video/.+?)"', webpage)
184         if mobj:
185             player_url = unescapeHTML(mobj.group(1))
186             surl = smuggle_url(player_url, {'Referer': url})
187             return self.url_result(surl, 'Vimeo')
188
189         # Look for embedded YouTube player
190         matches = re.findall(
191             r'<iframe[^>]+?src=(["\'])(?P<url>(?:https?:)?//(?:www\.)?youtube.com/embed/.+?)\1', webpage)
192         if matches:
193             urlrs = [self.url_result(unescapeHTML(tuppl[1]), 'Youtube')
194                      for tuppl in matches]
195             return self.playlist_result(
196                 urlrs, playlist_id=video_id, playlist_title=video_title)
197
198         # Look for Bandcamp pages with custom domain
199         mobj = re.search(r'<meta property="og:url"[^>]*?content="(.*?bandcamp\.com.*?)"', webpage)
200         if mobj is not None:
201             burl = unescapeHTML(mobj.group(1))
202             return self.url_result(burl, 'Bandcamp')
203
204         # Start with something easy: JW Player in SWFObject
205         mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
206         if mobj is None:
207             # Broaden the search a little bit
208             mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
209         if mobj is None:
210             # Broaden the search a little bit: JWPlayer JS loader
211             mobj = re.search(r'[^A-Za-z0-9]?file["\']?:\s*["\'](http[^\'"&]*)', webpage)
212         if mobj is None:
213             # Try to find twitter cards info
214             mobj = re.search(r'<meta (?:property|name)="twitter:player:stream" (?:content|value)="(.+?)"', webpage)
215         if mobj is None:
216             # We look for Open Graph info:
217             # We have to match any number spaces between elements, some sites try to align them (eg.: statigr.am)
218             m_video_type = re.search(r'<meta.*?property="og:video:type".*?content="video/(.*?)"', webpage)
219             # We only look in og:video if the MIME type is a video, don't try if it's a Flash player:
220             if m_video_type is not None:
221                 mobj = re.search(r'<meta.*?property="og:video".*?content="(.*?)"', webpage)
222         if mobj is None:
223             # HTML5 video
224             mobj = re.search(r'<video[^<]*(?:>.*?<source.*?)? src="([^"]+)"', webpage, flags=re.DOTALL)
225         if mobj is None:
226             raise ExtractorError(u'Unsupported URL: %s' % url)
227
228         # It's possible that one of the regexes
229         # matched, but returned an empty group:
230         if mobj.group(1) is None:
231             raise ExtractorError(u'Did not find a valid video URL at %s' % url)
232
233         video_url = mobj.group(1)
234         video_url = compat_urlparse.urljoin(url, video_url)
235         video_id = compat_urllib_parse.unquote(os.path.basename(video_url))
236
237         # here's a fun little line of code for you:
238         video_extension = os.path.splitext(video_id)[1][1:]
239         video_id = os.path.splitext(video_id)[0]
240
241         # video uploader is domain name
242         video_uploader = self._search_regex(r'(?:https?://)?([^/]*)/.*',
243             url, u'video uploader')
244
245         return [{
246             'id':       video_id,
247             'url':      video_url,
248             'uploader': video_uploader,
249             'upload_date':  None,
250             'title':    video_title,
251             'ext':      video_extension,
252         }]