Improve error handling and PWA manifest

core/enums.py

@@ -48,12 +48,15 @@ class Mode(str, Enum):
     def from_name(name):
         """Convert a string to an enum mode using the alias table."""
 
+        if not name:
+            return Mode.UNKNOWN
+
         try:
             return Mode(name.upper())
-        except ValueError:
+        except (KeyError, ValueError):
             try:
                 return Mode(MODE_ALIASES[name.upper()])
-            except ValueError:
+            except (KeyError, ValueError):
                 return Mode.UNKNOWN
 
 

core/utils.py

@@ -42,6 +42,9 @@ def infer_mode_type_from_mode(mode: str) -> ModeType:
     if not mode:
         return ModeType.UNKNOWN
 
+    if mode in MODE_ALIASES:
+        mode = MODE_ALIASES[mode]
+
     try:
         mode = Mode(mode.upper())
         if mode.is_cw:
@@ -118,7 +121,7 @@ def get_callsign_object_from_pyhamtools_callinfo(callsign, callinfo):
 
         country = data.get("country", None)
         dxcc_id = data.get("adif", None)
-        continent = Continent(data.get("continent", None))
+        continent = Continent(data["continent"]) if "continent" in data else None
         cq_zone = data.get("cqz", None)
         itu_zone = data.get("ituz", None)
         lat = float(data["latitude"]) if "latitude" in data else None