mypy

mqtt_ros_bridge/encodings.py

@@ -1,10 +1,10 @@
-from typing import Protocol, Type, TypeVar, NoReturn, TypeAlias
+from typing import Protocol, Type, TypeVar, TypeAlias
 
 import json
 from rclpy.type_support import check_is_valid_msg_type
 
 
-NestedDictionary: TypeAlias = dict[str, 'NestedDictionary'] | dict[str, str] | dict[str, NoReturn]
+NestedDictionary: TypeAlias = dict[str, 'NestedDictionary'] | dict[str, str]
 
 
 class MsgLike(Protocol):
@@ -27,7 +27,7 @@ def human_readable_encoding(msg: MsgLike) -> bytes:
 
 
 def human_readable_encoding_recursive(msg: MsgLike) -> NestedDictionary:
-    msg_dict: NestedDictionary = {}
+    msg_dict = {}
     for field, field_types in (msg.get_fields_and_field_types()).items():
         value = getattr(msg, field)
 
@@ -53,13 +53,15 @@ def human_readable_decoding(byte_msg: bytes, msg_type: Type[MsgLikeT]) -> MsgLik
 def human_readable_decoding_recursive(msg_dict: NestedDictionary,
                                       msg_type: Type[MsgLikeT]) -> MsgLikeT:
     msg = msg_type()
-
+    set_value: object
     for field, value in msg_dict.items():
         if isinstance(getattr(msg, field), bytes):
             if isinstance(value, str):
-                value = value.encode()
+                set_value = value.encode()
         elif isinstance(value, dict):
-            value = human_readable_decoding_recursive(value, type(getattr(msg, field)))
+            set_value = human_readable_decoding_recursive(value, type(getattr(msg, field)))
+        else:
+            set_value = value
 
-        setattr(msg, field, value)
+        setattr(msg, field, set_value)
     return msg