feat(data-classes): add from_route_arn helper

Add `from_route_arn` to build APIGatewayAuthorizerResponse
Add a relaxed pylintrc

Author: Michael Brewer

.pylintrc

@@ -0,0 +1,12 @@
+[MESSAGES CONTROL]
+disable=
+    too-many-arguments,
+    too-many-instance-attributes,
+    too-few-public-methods,
+    anomalous-backslash-in-string,
+    missing-class-docstring,
+    missing-module-docstring,
+    missing-function-docstring,
+
+[FORMAT]
+max-line-length=120

aws_lambda_powertools/utilities/data_classes/api_gateway_authorizer_event.py

@@ -234,10 +234,12 @@ def raw_query_string(self) -> str:
 
     @property
     def cookies(self) -> List[str]:
+        """Cookies"""
         return self["cookies"]
 
     @property
     def headers(self) -> Dict[str, str]:
+        """Http headers"""
         return self["headers"]
 
     @property
@@ -314,6 +316,8 @@ def asdict(self) -> dict:
 
 
 class HttpVerb(enum.Enum):
+    """Enum of http methods / verbs"""
+
     GET = "GET"
     POST = "POST"
     PUT = "PUT"
@@ -405,7 +409,25 @@ def __init__(
         self.usage_identifier_key = usage_identifier_key
         self._allow_routes: List[Dict] = []
         self._deny_routes: List[Dict] = []
-        self.resource_pattern = re.compile(self.path_regex)
+        self._resource_pattern = re.compile(self.path_regex)
+
+    @staticmethod
+    def from_route_arn(
+        arn: str,
+        principal_id: str,
+        context: Optional[Dict] = None,
+        usage_identifier_key: Optional[str] = None,
+    ) -> "APIGatewayAuthorizerResponse":
+        parsed_arn = parse_api_gateway_arn(arn)
+        return APIGatewayAuthorizerResponse(
+            principal_id,
+            parsed_arn.region,
+            parsed_arn.aws_account_id,
+            parsed_arn.api_id,
+            parsed_arn.stage,
+            context,
+            usage_identifier_key,
+        )
 
     def _add_route(self, effect: str, http_method: str, resource: str, conditions: Optional[List[Dict]] = None):
         """Adds a route to the internal lists of allowed or denied routes. Each object in
@@ -415,7 +437,7 @@ def _add_route(self, effect: str, http_method: str, resource: str, conditions: O
             allowed_values = [verb.value for verb in HttpVerb]
             raise ValueError(f"Invalid HTTP verb: '{http_method}'. Use either '{allowed_values}'")
 
-        if not self.resource_pattern.match(resource):
+        if not self._resource_pattern.match(resource):
             raise ValueError(f"Invalid resource path: {resource}. Path should match {self.path_regex}")
 
         if resource[:1] == "/":

tests/functional/data_classes/test_api_gateway_authorizer.py

@@ -37,7 +37,8 @@ def test_authorizer_response_invalid_resource(builder: APIGatewayAuthorizerRespo
 
 
 def test_authorizer_response_allow_all_routes_with_context():
-    builder = APIGatewayAuthorizerResponse("foo", "us-west-1", "123456789", "fantom", "dev", context={"name": "Foo"})
+    arn = "arn:aws:execute-api:us-west-1:123456789:fantom/dev/GET/foo"
+    builder = APIGatewayAuthorizerResponse.from_route_arn(arn, principal_id="foo", context={"name": "Foo"})
     builder.allow_all_routes()
     assert builder.asdict() == {
         "principalId": "foo",
@@ -56,7 +57,8 @@ def test_authorizer_response_allow_all_routes_with_context():
 
 
 def test_authorizer_response_allow_all_routes_with_usage_identifier_key():
-    builder = APIGatewayAuthorizerResponse("cow", "us-east-1", "1111111111", "api", "dev", usage_identifier_key="key")
+    arn = "arn:aws:execute-api:us-east-1:1111111111:api/dev/ANY/y"
+    builder = APIGatewayAuthorizerResponse.from_route_arn(arn, principal_id="cow", usage_identifier_key="key")
     builder.allow_all_routes()
     assert builder.asdict() == {
         "principalId": "cow",