Merge pull request #189 from ArangoDB-Community/feature/fallback-host-for-503-errorNum

joowani · web-flow · commit b448ade183ab · 2021-12-30T13:54:04.000-08:00
Add fallback host support for 503 errorNum from server
diff --git a/arango/connection.py b/arango/connection.py
@@ -104,6 +104,8 @@ def prep_response(self, resp: Response, deserialize: bool = True) -> Response:
             if isinstance(resp.body, dict):
                 resp.error_code = resp.body.get("errorNum")
                 resp.error_message = resp.body.get("errorMessage")
+                if resp.status_code == resp.error_code == 503:
+                    raise ConnectionError  # Fallback to another host
         else:
             resp.body = resp.raw_body
 
