Make it possible specify stream host and port

Author: mback2k

blinkpy/livestream.py

@@ -97,9 +97,9 @@ def get_auth_header(self):
         _LOGGER.debug("Auth header length: %d", len(auth_header))
         return auth_header
 
-    async def start(self):
+    async def start(self, host="127.0.0.1", port=None):
         """Start the stream."""
-        self.server = await asyncio.start_server(self.join, "127.0.0.1")
+        self.server = await asyncio.start_server(self.join, host, port)
         return self.server
 
     @property

tests/test_livestream.py

@@ -115,7 +115,9 @@ async def test_start(self, mock_resp):
 
             result = await self.livestream.start()
 
-            mock_start_server.assert_called_once_with(self.livestream.join, "127.0.0.1")
+            mock_start_server.assert_called_once_with(
+                self.livestream.join, "127.0.0.1", None
+            )
             self.assertEqual(result, mock_server)
             self.assertEqual(self.livestream.server, mock_server)