Fix "invalid escape sequences" error on Python 3.6
[youtube-dl] / youtube_dl / extractor / douyutv.py
index d7956e6e4a20d733947f70a2933e06c2f0d144de..2f3c5113ed03a4aa035477d74d72630ba6c13ce8 100644 (file)
 # coding: utf-8
 from __future__ import unicode_literals
 
+import hashlib
+import time
+import uuid
+
 from .common import InfoExtractor
-from ..utils import ExtractorError
+from ..compat import (
+    compat_str,
+    compat_urllib_parse_urlencode,
+)
+from ..utils import (
+    ExtractorError,
+    unescapeHTML,
+)
 
 
 class DouyuTVIE(InfoExtractor):
-    _VALID_URL = r'http://(?:www\.)?douyutv\.com/(?P<id>[A-Za-z0-9]+)'
-    _TEST = {
+    IE_DESC = '斗鱼'
+    _VALID_URL = r'https?://(?:www\.)?douyu(?:tv)?\.com/(?P<id>[A-Za-z0-9]+)'
+    _TESTS = [{
         'url': 'http://www.douyutv.com/iseven',
         'info_dict': {
-            'id': 'iseven',
+            'id': '17732',
+            'display_id': 'iseven',
             'ext': 'flv',
             'title': 're:^清晨醒脑!T-ara根本停不下来! [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'description': 'md5:9e525642c25a0a24302869937cf69d17',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'description': r're:.*m7show@163\.com.*',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': '7师傅',
-            'uploader_id': '431925',
             'is_live': True,
         },
         'params': {
             'skip_download': True,
-        }
-    }
+        },
+    }, {
+        'url': 'http://www.douyutv.com/85982',
+        'info_dict': {
+            'id': '85982',
+            'display_id': '85982',
+            'ext': 'flv',
+            'title': 're:^小漠从零单排记!——CSOL2躲猫猫 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
+            'description': 'md5:746a2f7a253966a06755a912f0acc0d2',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'uploader': 'douyu小漠',
+            'is_live': True,
+        },
+        'params': {
+            'skip_download': True,
+        },
+        'skip': 'Room not found',
+    }, {
+        'url': 'http://www.douyutv.com/17732',
+        'info_dict': {
+            'id': '17732',
+            'display_id': '17732',
+            'ext': 'flv',
+            'title': 're:^清晨醒脑!T-ara根本停不下来! [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
+            'description': r're:.*m7show@163\.com.*',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'uploader': '7师傅',
+            'is_live': True,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        'url': 'http://www.douyu.com/xiaocang',
+        'only_matching': True,
+    }]
+
+    # Decompile core.swf in webpage by ffdec "Search SWFs in memory". core.swf
+    # is encrypted originally, but ffdec can dump memory to get the decrypted one.
+    _API_KEY = 'A12Svb&%1UUmf@hC'
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
-        config = self._download_json(
-            'http://www.douyutv.com/api/client/room/%s' % video_id, video_id)
-
-        data = config['data']
+        if video_id.isdigit():
+            room_id = video_id
+        else:
+            page = self._download_webpage(url, video_id)
+            room_id = self._html_search_regex(
+                r'"room_id"\s*:\s*(\d+),', page, 'room id')
 
-        error_code = config.get('error', 0)
-        show_status = data.get('show_status')
-        if error_code is not 0:
-            raise ExtractorError(
-                'Server reported error %i' % error_code, expected=True)
+        room = self._download_json(
+            'http://m.douyu.com/html5/live?roomId=%s' % room_id, video_id,
+            note='Downloading room info')['data']
 
         # 1 = live, 2 = offline
-        if show_status == '2':
-            raise ExtractorError(
-                'Live stream is offline', expected=True)
+        if room.get('show_status') == '2':
+            raise ExtractorError('Live stream is offline', expected=True)
+
+        tt = compat_str(int(time.time() / 60))
+        did = uuid.uuid4().hex.upper()
+
+        sign_content = ''.join((room_id, did, self._API_KEY, tt))
+        sign = hashlib.md5((sign_content).encode('utf-8')).hexdigest()
 
-        base_url = data['rtmp_url']
-        live_path = data['rtmp_live']
+        flv_data = compat_urllib_parse_urlencode({
+            'cdn': 'ws',
+            'rate': '0',
+            'tt': tt,
+            'did': did,
+            'sign': sign,
+        })
 
-        title = self._live_title(data['room_name'])
-        description = data.get('show_details')
-        thumbnail = data.get('room_src')
+        video_info = self._download_json(
+            'http://www.douyu.com/lapi/live/getPlay/%s' % room_id, video_id,
+            data=flv_data, note='Downloading video info',
+            headers={'Content-Type': 'application/x-www-form-urlencoded'})
+
+        error_code = video_info.get('error', 0)
+        if error_code is not 0:
+            raise ExtractorError(
+                '%s reported error %i' % (self.IE_NAME, error_code),
+                expected=True)
 
-        uploader = data.get('nickname')
-        uploader_id = data.get('owner_uid')
+        base_url = video_info['data']['rtmp_url']
+        live_path = video_info['data']['rtmp_live']
 
-        multi_formats = data.get('rtmp_multi_bitrate')
-        if not isinstance(multi_formats, dict):
-            multi_formats = {}
-        multi_formats['live'] = live_path
+        video_url = '%s/%s' % (base_url, live_path)
 
-        formats = [{
-            'url': '%s/%s' % (base_url, format_path),
-            'format_id': format_id,
-            'preference': 1 if format_id == 'live' else 0,
-        } for format_id, format_path in multi_formats.items()]
-        self._sort_formats(formats)
+        title = self._live_title(unescapeHTML(room['room_name']))
+        description = room.get('notice')
+        thumbnail = room.get('room_src')
+        uploader = room.get('nickname')
 
         return {
-            'id': video_id,
+            'id': room_id,
+            'display_id': video_id,
+            'url': video_url,
             'title': title,
             'description': description,
             'thumbnail': thumbnail,
             'uploader': uploader,
-            'uploader_id': uploader_id,
-            'formats': formats,
             'is_live': True,
         }