3 compat_urllib_parse_unquote
,
12 from .bokecc
import BokeCCBaseIE
15 class InfoQIE(BokeCCBaseIE
):
16 _VALID_URL
= r
'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P<id>[^/]+)'
19 'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things',
20 'md5': 'b5ca0e0a8c1fed93b0e65e48e462f9a2',
22 'id': 'A-Few-of-My-Favorite-Python-Things',
24 'description': 'Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience.',
25 'title': 'A Few of My Favorite [Python] Things',
28 'url': 'http://www.infoq.com/fr/presentations/changez-avis-sur-javascript',
29 'only_matching': True,
31 'url': 'http://www.infoq.com/cn/presentations/openstack-continued-delivery',
32 'md5': '4918d0cca1497f2244572caf626687ef',
34 'id': 'openstack-continued-delivery',
35 'title': 'OpenStack持续交付之路',
37 'description': 'md5:308d981fb28fa42f49f9568322c683ff',
39 'skip': 'Sorry, the page you visited does not exist',
41 'url': 'https://www.infoq.com/presentations/Simple-Made-Easy',
42 'md5': '0e34642d4d9ef44bf86f66f6399672db',
44 'id': 'Simple-Made-Easy',
45 'title': 'Simple Made Easy',
47 'description': 'md5:3e0e213a8bbd074796ef89ea35ada25b',
50 'format': 'bestaudio',
54 def _extract_rtmp_video(self
, webpage
):
55 # The server URL is hardcoded
56 video_url
= 'rtmpe://videof.infoq.com/cfx/st/'
59 encoded_id
= self
._search
_regex
(
60 r
"jsclassref\s*=\s*'([^']*)'", webpage
, 'encoded id', default
=None)
62 real_id
= compat_urllib_parse_unquote(compat_b64decode(encoded_id
).decode('utf-8'))
63 playpath
= 'mp4:' + real_id
66 'format_id': 'rtmp_video',
68 'ext': determine_ext(playpath
),
69 'play_path': playpath
,
72 def _extract_cf_auth(self
, webpage
):
73 policy
= self
._search
_regex
(r
'InfoQConstants\.scp\s*=\s*\'([^
\']+)\'', webpage, 'policy
')
74 signature = self._search_regex(r'InfoQConstants\
.scs\s
*=\s
*\'([^
\']+)\'', webpage, 'signature
')
75 key_pair_id = self._search_regex(r'InfoQConstants\
.sck\s
*=\s
*\'([^
\']+)\'', webpage, 'key
-pair
-id')
78 'Signature
': signature,
79 'Key
-Pair
-Id
': key_pair_id,
82 def _extract_http_video(self, webpage):
83 http_video_url = self._search_regex(r'P\
.s\s
*=\s
*\'([^
\']+)\'', webpage, 'video URL
')
84 http_video_url = update_url_query(http_video_url, self._extract_cf_auth(webpage))
86 'format_id
': 'http_video
',
87 'url
': http_video_url,
88 'http_headers
': {'Referer': 'https://www.infoq.com/'},
91 def _extract_http_audio(self, webpage, video_id):
93 http_audio_url = traverse_obj(self._form_hidden_inputs('mp3Form
', webpage), 'filename
')
94 except ExtractorError:
96 if not http_audio_url:
99 # base URL is found in the Location header in the response returned by
100 # GET https://www.infoq.com/mp3download.action?filename=... when logged in.
101 http_audio_url = compat_urlparse.urljoin('http
://ress
.infoq
.com
/downloads
/mp3downloads
/', http_audio_url)
102 http_audio_url = update_url_query(http_audio_url, self._extract_cf_auth(webpage))
104 # audio file seem to be missing some times even if there is a download link
105 # so probe URL to make sure
106 if not self._is_valid_url(http_audio_url, video_id):
110 'format_id
': 'http_audio
',
111 'url
': http_audio_url,
115 def _real_extract(self, url):
116 video_id = self._match_id(url)
117 webpage = self._download_webpage(url, video_id)
119 video_title = self._html_extract_title(webpage)
120 video_description = self._html_search_meta('description
', webpage, 'description
')
123 # for China videos, HTTP video URL exists but always fails with 403
124 formats = self._extract_bokecc_formats(webpage, video_id)
127 self._extract_rtmp_video(webpage)
128 + self._extract_http_video(webpage)
129 + self._extract_http_audio(webpage, video_id))
131 self._sort_formats(formats)
135 'title
': video_title,
136 'description
': video_description,