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											2013-07-18 15:31:50 +02:00
										 |  |  | # coding: utf-8 | 
					
						
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							|  |  |  | import re | 
					
						
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							|  |  |  | from .common import InfoExtractor | 
					
						
							|  |  |  | from ..utils import ( | 
					
						
							|  |  |  |     compat_urllib_request, | 
					
						
							|  |  |  |     compat_urllib_parse, | 
					
						
							|  |  |  | ) | 
					
						
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							|  |  |  | class SinaIE(InfoExtractor): | 
					
						
							|  |  |  |     _VALID_URL = r'''https?://(.*?\.)?video\.sina\.com\.cn/
 | 
					
						
							|  |  |  |                         ( | 
					
						
							|  |  |  |                             (.+?/(((?P<pseudo_id>\d+).html)|(.*?(\#|(vid=))(?P<id>\d+?)($|&)))) | 
					
						
							|  |  |  |                             | | 
					
						
							|  |  |  |                             # This is used by external sites like Weibo | 
					
						
							|  |  |  |                             (api/sinawebApi/outplay.php/(?P<token>.+?)\.swf) | 
					
						
							|  |  |  |                         ) | 
					
						
							|  |  |  |                   '''
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							|  |  |  |     _TEST = { | 
					
						
							|  |  |  |         u'url': u'http://video.sina.com.cn/news/vlist/zt/chczlj2013/?opsubject_id=top12#110028898', | 
					
						
							|  |  |  |         u'file': u'110028898.flv', | 
					
						
							|  |  |  |         u'md5': u'd65dd22ddcf44e38ce2bf58a10c3e71f', | 
					
						
							|  |  |  |         u'info_dict': { | 
					
						
							|  |  |  |             u'title': u'《中国新闻》 朝鲜要求巴拿马立即释放被扣船员', | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
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 | 
					
						
							|  |  |  |     @classmethod | 
					
						
							|  |  |  |     def suitable(cls, url): | 
					
						
							|  |  |  |         return re.match(cls._VALID_URL, url, flags=re.VERBOSE) is not None | 
					
						
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							|  |  |  |     def _extract_video(self, video_id): | 
					
						
							|  |  |  |         data = compat_urllib_parse.urlencode({'vid': video_id}) | 
					
						
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										 |  |  |         url_doc = self._download_xml('http://v.iask.com/v_play.php?%s' % data, | 
					
						
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										 |  |  |             video_id, u'Downloading video url') | 
					
						
							|  |  |  |         image_page = self._download_webpage( | 
					
						
							|  |  |  |             'http://interface.video.sina.com.cn/interface/common/getVideoImage.php?%s' % data, | 
					
						
							|  |  |  |             video_id, u'Downloading thumbnail info') | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return {'id': video_id, | 
					
						
							|  |  |  |                 'url': url_doc.find('./durl/url').text, | 
					
						
							|  |  |  |                 'ext': 'flv', | 
					
						
							|  |  |  |                 'title': url_doc.find('./vname').text, | 
					
						
							|  |  |  |                 'thumbnail': image_page.split('=')[1], | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  | 
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							|  |  |  |     def _real_extract(self, url): | 
					
						
							|  |  |  |         mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE) | 
					
						
							|  |  |  |         video_id = mobj.group('id') | 
					
						
							|  |  |  |         if mobj.group('token') is not None: | 
					
						
							|  |  |  |             # The video id is in the redirected url | 
					
						
							|  |  |  |             self.to_screen(u'Getting video id') | 
					
						
							|  |  |  |             request = compat_urllib_request.Request(url) | 
					
						
							|  |  |  |             request.get_method = lambda: 'HEAD' | 
					
						
							|  |  |  |             (_, urlh) = self._download_webpage_handle(request, 'NA', False) | 
					
						
							|  |  |  |             return self._real_extract(urlh.geturl()) | 
					
						
							|  |  |  |         elif video_id is None: | 
					
						
							|  |  |  |             pseudo_id = mobj.group('pseudo_id') | 
					
						
							|  |  |  |             webpage = self._download_webpage(url, pseudo_id) | 
					
						
							|  |  |  |             video_id = self._search_regex(r'vid:\'(\d+?)\'', webpage, u'video id') | 
					
						
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							|  |  |  |         return self._extract_video(video_id) |