Fix "invalid escape sequences" error on Python 3.6
[youtube-dl] / youtube_dl / extractor / douyutv.py
index bdc768c783b9b3213badc5cf4b354f6159142f9f..2f3c5113ed03a4aa035477d74d72630ba6c13ce8 100644 (file)
@@ -3,14 +3,22 @@ from __future__ import unicode_literals
 
 import hashlib
 import time
+import uuid
+
 from .common import InfoExtractor
-from ..utils import (ExtractorError, unescapeHTML)
-from ..compat import (compat_str, compat_basestring)
+from ..compat import (
+    compat_str,
+    compat_urllib_parse_urlencode,
+)
+from ..utils import (
+    ExtractorError,
+    unescapeHTML,
+)
 
 
 class DouyuTVIE(InfoExtractor):
     IE_DESC = '斗鱼'
-    _VALID_URL = r'http://(?:www\.)?douyutv\.com/(?P<id>[A-Za-z0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?douyu(?:tv)?\.com/(?P<id>[A-Za-z0-9]+)'
     _TESTS = [{
         'url': 'http://www.douyutv.com/iseven',
         'info_dict': {
@@ -18,10 +26,9 @@ class DouyuTVIE(InfoExtractor):
             '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}$',
-            'description': 'md5:f34981259a03e980a3c6404190a3ed61',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'description': r're:.*m7show@163\.com.*',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': '7师傅',
-            'uploader_id': '431925',
             'is_live': True,
         },
         'params': {
@@ -35,15 +42,14 @@ class DouyuTVIE(InfoExtractor):
             'ext': 'flv',
             'title': 're:^小漠从零单排记!——CSOL2躲猫猫 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'description': 'md5:746a2f7a253966a06755a912f0acc0d2',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'douyu小漠',
-            'uploader_id': '3769985',
             'is_live': True,
         },
         'params': {
             'skip_download': True,
         },
-        'skip': 'Romm not found',
+        'skip': 'Room not found',
     }, {
         'url': 'http://www.douyutv.com/17732',
         'info_dict': {
@@ -51,17 +57,23 @@ class DouyuTVIE(InfoExtractor):
             '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}$',
-            'description': 'md5:f34981259a03e980a3c6404190a3ed61',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            '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.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)
 
@@ -72,59 +84,56 @@ class DouyuTVIE(InfoExtractor):
             room_id = self._html_search_regex(
                 r'"room_id"\s*:\s*(\d+),', page, 'room id')
 
-        prefix = 'room/%s?aid=android&client_sys=android&time=%d' % (
-            room_id, int(time.time()))
+        room = self._download_json(
+            'http://m.douyu.com/html5/live?roomId=%s' % room_id, video_id,
+            note='Downloading room info')['data']
 
-        auth = hashlib.md5((prefix + '1231').encode('ascii')).hexdigest()
-        config = self._download_json(
-            'http://www.douyutv.com/api/v1/%s&auth=%s' % (prefix, auth),
-            video_id)
+        # 1 = live, 2 = offline
+        if room.get('show_status') == '2':
+            raise ExtractorError('Live stream is offline', expected=True)
 
-        data = config['data']
+        tt = compat_str(int(time.time() / 60))
+        did = uuid.uuid4().hex.upper()
 
-        error_code = config.get('error', 0)
-        if error_code is not 0:
-            error_desc = 'Server reported error %i' % error_code
-            if isinstance(data, (compat_str, compat_basestring)):
-                error_desc += ': ' + data
-            raise ExtractorError(error_desc, expected=True)
+        sign_content = ''.join((room_id, did, self._API_KEY, tt))
+        sign = hashlib.md5((sign_content).encode('utf-8')).hexdigest()
 
-        show_status = data.get('show_status')
-        # 1 = live, 2 = offline
-        if show_status == '2':
-            raise ExtractorError(
-                'Live stream is offline', expected=True)
+        flv_data = compat_urllib_parse_urlencode({
+            'cdn': 'ws',
+            'rate': '0',
+            'tt': tt,
+            'did': did,
+            'sign': sign,
+        })
 
-        base_url = data['rtmp_url']
-        live_path = data['rtmp_live']
+        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'})
 
-        title = self._live_title(unescapeHTML(data['room_name']))
-        description = data.get('show_details')
-        thumbnail = data.get('room_src')
+        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': 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,
         }