From 8c4c2428b124a477bef1dc2926d946dcc9d9a5ee Mon Sep 17 00:00:00 2001
From: Austin Mroczek <austin@mroczek.org>
Date: Wed, 4 Dec 2024 18:50:34 +0000
Subject: [PATCH] handle empty response

---
 total_connect_client/const.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/total_connect_client/const.py b/total_connect_client/const.py
index 5d0a666..ef7f8fe 100644
--- a/total_connect_client/const.py
+++ b/total_connect_client/const.py
@@ -2,7 +2,7 @@
 
 from enum import Enum
 
-from .exceptions import BadResultCodeError
+from .exceptions import BadResultCodeError, ServiceUnavailable
 
 
 class ArmType(Enum):
@@ -149,6 +149,9 @@ class _ResultCode(Enum):
     def from_response(response_dict):
         try:
             return _ResultCode(response_dict["ResultCode"])
+        except TypeError:
+            # sometimes when there are server issues, it returns empty responses - see issue #228
+            raise ServiceUnavailable(f"Server returned empty response, check server status at {STATUS_URL}") from None
         except ValueError:
             raise BadResultCodeError(
                 f"unknown result code {response_dict['ResultCode']}", response_dict
@@ -178,3 +181,5 @@ def from_response(response_dict):
 
 
 PROJECT_URL = "https://github.com/craigjmidwinter/total-connect-client"
+
+STATUS_URL = "https://status.resideo.com/"
\ No newline at end of file