chore(typing): headers are not optional

Author: heitorlessa

aws_lambda_powertools/event_handler/middlewares/openapi_validation.py

@@ -410,7 +410,7 @@ def _normalize_multi_query_string_with_param(
     return resolved_query_string
 
 
-def _normalize_multi_header_values_with_param(headers: Optional[Dict[str, str]], params: Sequence[ModelField]):
+def _normalize_multi_header_values_with_param(headers: Dict[str, Any], params: Sequence[ModelField]):
     """
     Extract and normalize resolved_headers_field
 

aws_lambda_powertools/utilities/data_classes/api_gateway_proxy_event.py

@@ -126,7 +126,7 @@ def resolved_query_string_parameters(self) -> Dict[str, List[str]]:
         return super().resolved_query_string_parameters
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, Any]]:
+    def resolved_headers_field(self) -> Dict[str, Any]:
         headers: Dict[str, Any] = {}
 
         if self.multi_value_headers:
@@ -319,7 +319,7 @@ def header_serializer(self):
         return HttpApiHeadersSerializer()
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, Any]]:
+    def resolved_headers_field(self) -> Dict[str, Any]:
         if self.headers is not None:
             headers = {key.lower(): value.split(",") if "," in value else value for key, value in self.headers.items()}
             return headers

aws_lambda_powertools/utilities/data_classes/bedrock_agent_event.py

@@ -111,7 +111,7 @@ def query_string_parameters(self) -> Optional[Dict[str, str]]:
         return {x["name"]: x["value"] for x in self["parameters"]} if self.get("parameters") else None
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, Any]]:
+    def resolved_headers_field(self) -> Dict[str, Any]:
         return {}
 
     @cached_property

aws_lambda_powertools/utilities/data_classes/common.py

@@ -124,7 +124,7 @@ def resolved_query_string_parameters(self) -> Dict[str, List[str]]:
         return {}
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, Any]]:
+    def resolved_headers_field(self) -> Dict[str, Any]:
         """
         This property determines the appropriate header to be used
         as a trusted source for validating OpenAPI.

aws_lambda_powertools/utilities/data_classes/vpc_lattice.py

@@ -145,7 +145,7 @@ def query_string_parameters(self) -> Dict[str, str]:
         return self["query_string_parameters"]
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, Any]]:
+    def resolved_headers_field(self) -> Dict[str, Any]:
         if self.headers is not None:
             headers = {key.lower(): value.split(",") if "," in value else value for key, value in self.headers.items()}
             return headers
@@ -272,7 +272,7 @@ def query_string_parameters(self) -> Optional[Dict[str, str]]:
             return None
 
     @property
-    def resolved_headers_field(self) -> Optional[Dict[str, str]]:
+    def resolved_headers_field(self) -> Dict[str, str]:
         if self.headers is not None:
             return {key.lower(): value for key, value in self.headers.items()}