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cfe50f04 JMF |
1 | # encoding: utf-8 |
2 | ||
9b122384 PH |
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 | ||
12 | ExtractorError, | |
13 | ) | |
cfe50f04 | 14 | from .brightcove import BrightcoveIE |
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15 | |
16 | class GenericIE(InfoExtractor): | |
0f818663 | 17 | IE_DESC = u'Generic downloader that works on some sites' |
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18 | _VALID_URL = r'.*' |
19 | IE_NAME = u'generic' | |
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20 | _TESTS = [ |
21 | { | |
22 | u'url': u'http://www.hodiho.fr/2013/02/regis-plante-sa-jeep.html', | |
23 | u'file': u'13601338388002.mp4', | |
24 | u'md5': u'85b90ccc9d73b4acd9138d3af4c27f89', | |
25 | u'info_dict': { | |
26 | u"uploader": u"www.hodiho.fr", | |
27 | u"title": u"R\u00e9gis plante sa Jeep" | |
28 | } | |
29 | }, | |
30 | { | |
31 | u'url': u'http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/', | |
32 | u'file': u'2371591881001.mp4', | |
33 | u'md5': u'9e80619e0a94663f0bdc849b4566af19', | |
34 | u'note': u'Test Brightcove downloads and detection in GenericIE', | |
35 | u'info_dict': { | |
36 | u'title': u'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”', | |
37 | u'uploader': u'8TV', | |
38 | u'description': u'md5:a950cc4285c43e44d763d036710cd9cd', | |
39 | } | |
40 | }, | |
41 | ] | |
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42 | |
43 | def report_download_webpage(self, video_id): | |
44 | """Report webpage download.""" | |
45 | if not self._downloader.params.get('test', False): | |
46 | self._downloader.report_warning(u'Falling back on generic information extractor.') | |
47 | super(GenericIE, self).report_download_webpage(video_id) | |
48 | ||
49 | def report_following_redirect(self, new_url): | |
50 | """Report information extraction.""" | |
51 | self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url) | |
52 | ||
53 | def _test_redirect(self, url): | |
54 | """Check if it is a redirect, like url shorteners, in case return the new url.""" | |
55 | class HeadRequest(compat_urllib_request.Request): | |
56 | def get_method(self): | |
57 | return "HEAD" | |
58 | ||
59 | class HEADRedirectHandler(compat_urllib_request.HTTPRedirectHandler): | |
60 | """ | |
61 | Subclass the HTTPRedirectHandler to make it use our | |
62 | HeadRequest also on the redirected URL | |
63 | """ | |
64 | def redirect_request(self, req, fp, code, msg, headers, newurl): | |
65 | if code in (301, 302, 303, 307): | |
66 | newurl = newurl.replace(' ', '%20') | |
67 | newheaders = dict((k,v) for k,v in req.headers.items() | |
68 | if k.lower() not in ("content-length", "content-type")) | |
69 | return HeadRequest(newurl, | |
70 | headers=newheaders, | |
71 | origin_req_host=req.get_origin_req_host(), | |
72 | unverifiable=True) | |
73 | else: | |
74 | raise compat_urllib_error.HTTPError(req.get_full_url(), code, msg, headers, fp) | |
75 | ||
76 | class HTTPMethodFallback(compat_urllib_request.BaseHandler): | |
77 | """ | |
78 | Fallback to GET if HEAD is not allowed (405 HTTP error) | |
79 | """ | |
80 | def http_error_405(self, req, fp, code, msg, headers): | |
81 | fp.read() | |
82 | fp.close() | |
83 | ||
84 | newheaders = dict((k,v) for k,v in req.headers.items() | |
85 | if k.lower() not in ("content-length", "content-type")) | |
86 | return self.parent.open(compat_urllib_request.Request(req.get_full_url(), | |
87 | headers=newheaders, | |
88 | origin_req_host=req.get_origin_req_host(), | |
89 | unverifiable=True)) | |
90 | ||
91 | # Build our opener | |
92 | opener = compat_urllib_request.OpenerDirector() | |
93 | for handler in [compat_urllib_request.HTTPHandler, compat_urllib_request.HTTPDefaultErrorHandler, | |
94 | HTTPMethodFallback, HEADRedirectHandler, | |
95 | compat_urllib_request.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]: | |
96 | opener.add_handler(handler()) | |
97 | ||
98 | response = opener.open(HeadRequest(url)) | |
99 | if response is None: | |
100 | raise ExtractorError(u'Invalid URL protocol') | |
101 | new_url = response.geturl() | |
102 | ||
103 | if url == new_url: | |
104 | return False | |
105 | ||
106 | self.report_following_redirect(new_url) | |
107 | return new_url | |
108 | ||
109 | def _real_extract(self, url): | |
110 | new_url = self._test_redirect(url) | |
111 | if new_url: return [self.url_result(new_url)] | |
112 | ||
113 | video_id = url.split('/')[-1] | |
114 | try: | |
115 | webpage = self._download_webpage(url, video_id) | |
116 | except ValueError: | |
117 | # since this is the last-resort InfoExtractor, if | |
118 | # this error is thrown, it'll be thrown here | |
119 | raise ExtractorError(u'Invalid URL: %s' % url) | |
120 | ||
121 | self.report_extraction(video_id) | |
cfe50f04 | 122 | # Look for BrigthCove: |
117adb0f | 123 | m_brightcove = re.search(r'<object.+?class=".*?BrightcoveExperience.*?".+?</object>', webpage, re.DOTALL) |
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124 | if m_brightcove is not None: |
125 | self.to_screen(u'Brightcove video detected.') | |
126 | bc_url = BrightcoveIE._build_brighcove_url(m_brightcove.group()) | |
127 | return self.url_result(bc_url, 'Brightcove') | |
128 | ||
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129 | # Start with something easy: JW Player in SWFObject |
130 | mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage) | |
131 | if mobj is None: | |
132 | # Broaden the search a little bit | |
133 | mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage) | |
134 | if mobj is None: | |
135 | # Broaden the search a little bit: JWPlayer JS loader | |
52c8ade4 | 136 | mobj = re.search(r'[^A-Za-z0-9]?file["\']?:\s*["\'](http[^\'"&]*)', webpage) |
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137 | if mobj is None: |
138 | # Try to find twitter cards info | |
139 | mobj = re.search(r'<meta (?:property|name)="twitter:player:stream" (?:content|value)="(.+?)"', webpage) | |
140 | if mobj is None: | |
141 | # We look for Open Graph info: | |
142 | # We have to match any number spaces between elements, some sites try to align them (eg.: statigr.am) | |
143 | m_video_type = re.search(r'<meta.*?property="og:video:type".*?content="video/(.*?)"', webpage) | |
144 | # We only look in og:video if the MIME type is a video, don't try if it's a Flash player: | |
145 | if m_video_type is not None: | |
146 | mobj = re.search(r'<meta.*?property="og:video".*?content="(.*?)"', webpage) | |
147 | if mobj is None: | |
148 | raise ExtractorError(u'Invalid URL: %s' % url) | |
149 | ||
150 | # It's possible that one of the regexes | |
151 | # matched, but returned an empty group: | |
152 | if mobj.group(1) is None: | |
153 | raise ExtractorError(u'Invalid URL: %s' % url) | |
154 | ||
155 | video_url = compat_urllib_parse.unquote(mobj.group(1)) | |
156 | video_id = os.path.basename(video_url) | |
157 | ||
158 | # here's a fun little line of code for you: | |
159 | video_extension = os.path.splitext(video_id)[1][1:] | |
160 | video_id = os.path.splitext(video_id)[0] | |
161 | ||
162 | # it's tempting to parse this further, but you would | |
163 | # have to take into account all the variations like | |
164 | # Video Title - Site Name | |
165 | # Site Name | Video Title | |
166 | # Video Title - Tagline | Site Name | |
167 | # and so on and so forth; it's just not practical | |
168 | video_title = self._html_search_regex(r'<title>(.*)</title>', | |
5c44c154 | 169 | webpage, u'video title', default=u'video', flags=re.DOTALL) |
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170 | |
171 | # video uploader is domain name | |
172 | video_uploader = self._search_regex(r'(?:https?://)?([^/]*)/.*', | |
173 | url, u'video uploader') | |
174 | ||
175 | return [{ | |
176 | 'id': video_id, | |
177 | 'url': video_url, | |
178 | 'uploader': video_uploader, | |
179 | 'upload_date': None, | |
180 | 'title': video_title, | |
181 | 'ext': video_extension, | |
182 | }] |