feat: declare transformed return type

localstack/services/events/models.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass, field
-from typing import Optional
+from typing import Optional, TypeAlias
 
 from pydantic import BaseModel, Field
 
@@ -120,3 +120,6 @@ class FormattedEvent(BaseModel):
  region: str
  resources: Optional[EventResourceList] = []
  detail: dict[str, str | dict] = {}
+
+
+TransformedEvent: TypeAlias = FormattedEvent | dict | str

localstack/services/events/target.py

@@ -7,12 +7,11 @@
 
 from localstack.aws.api.events import (
  Arn,
- PutEventsRequestEntry,
  Target,
  TargetInputPath,
 )
 from localstack.aws.connect import connect_to
-from localstack.services.events.models import FormattedEvent
+from localstack.services.events.models import FormattedEvent, TransformedEvent
 from localstack.utils import collections
 from localstack.utils.aws.arns import (
  extract_service_from_arn,
@@ -29,9 +28,9 @@
 
 def transform_event_with_target_input_path(
  input_path: TargetInputPath, event: FormattedEvent
-) -> PutEventsRequestEntry:
- formated_event = extract_jsonpath(event, input_path)
- return formated_event
+) -> TransformedEvent:
+ formatted_event = extract_jsonpath(event, input_path)
+ return formatted_event
 
 
 class TargetSender(ABC):
@@ -64,7 +63,7 @@ def client(self):
  return self._client
 
  @abstractmethod
- def send_event(self, event: PutEventsRequestEntry):
+ def send_event(self, event: FormattedEvent | TransformedEvent):
  pass
 
  def process_event(self, event: FormattedEvent):