Make resource_policy abstract method to trigger typecheck (#2252)

fixlib/fixlib/baseresources.py

@@ -3,7 +3,7 @@
 import base64
 import hashlib
 import weakref
-from abc import ABC
+from abc import ABC, abstractmethod
 from copy import deepcopy
 from datetime import datetime, timezone, timedelta
 from enum import Enum, StrEnum, unique
@@ -1633,8 +1633,9 @@ class PolicySource:
 
 class HasResourcePolicy(ABC):
     # returns a list of all policies that affects the resource (inline, attached, etc.)
+    @abstractmethod
     def resource_policy(self, builder: Any) -> List[Tuple[PolicySource, Json]]:
-        raise NotImplementedError
+        pass
 
 
 @frozen

plugins/aws/fix_plugin_aws/resource/kinesis.py

@@ -1,4 +1,4 @@
-from typing import ClassVar, Dict, Optional, List, Any
+from typing import ClassVar, Dict, Optional, List, Any, Tuple
 from json import loads as json_loads
 
 from attrs import define, field
@@ -8,7 +8,7 @@
 from fix_plugin_aws.resource.kms import AwsKmsKey
 from fix_plugin_aws.aws_client import AwsClient
 from fix_plugin_aws.utils import ToDict
-from fixlib.baseresources import HasResourcePolicy, MetricName, ModelReference
+from fixlib.baseresources import HasResourcePolicy, MetricName, ModelReference, PolicySource, PolicySourceKind
 from fixlib.graph import Graph
 from fixlib.json_bender import Bender, S, Bend, bend, ForallBend
 from fixlib.types import Json
@@ -133,6 +133,12 @@ class AwsKinesisStream(AwsResource, HasResourcePolicy):
     kinesis_key_id: Optional[str] = field(default=None)
     kinesis_policy: Optional[Json] = field(default=None)
 
+    def resource_policy(self, builder: Any) -> List[Tuple[PolicySource, Dict[str, Any]]]:
+        if not self.kinesis_policy or not self.arn:
+            return []
+
+        return [(PolicySource(PolicySourceKind.resource, self.arn), self.kinesis_policy)]
+
     @classmethod
     def called_collect_apis(cls) -> List[AwsApiSpec]:
         return [