Add method for retrieving audio directly by owner and id

Author: bakatrouble

vk_api/audio.py

@@ -212,6 +212,15 @@ def search_iter(self, q, offset=0):
 
             offset += 50
 
+    def get_audio_by_id(self, owner_id, audio_id):
+        response = self._vk.http.get(
+            'https://m.vk.com/audio{}_{}'.format(owner_id, audio_id),
+            allow_redirects=False
+        )
+        bs = BeautifulSoup(response.text, 'html.parser')
+        link = bs.select_one('.ai_body input[type=hidden]').attrs['value']
+        return decode_audio_url(link, self.user_id)
+
 
 def scrap_data(html, user_id, filter_root_el=None):
     """ Парсинг списка аудиозаписей из html страницы """