feat: use emit decorator on external, improve typing

lib/crewai/src/crewai/memory/external/external_memory.py

@@ -1,17 +1,9 @@
 from __future__ import annotations
 
-import time
-from typing import TYPE_CHECKING, Any
+from collections.abc import Callable
+from typing import TYPE_CHECKING, Any, cast
 
-from crewai.events.event_bus import crewai_event_bus
-from crewai.events.types.memory_events import (
-    MemoryQueryCompletedEvent,
-    MemoryQueryFailedEvent,
-    MemoryQueryStartedEvent,
-    MemorySaveCompletedEvent,
-    MemorySaveFailedEvent,
-    MemorySaveStartedEvent,
-)
+from crewai.events.lifecycle_decorator import with_lifecycle_events
 from crewai.memory.external.external_memory_item import ExternalMemoryItem
 from crewai.memory.memory import Memory
 from crewai.memory.storage.interface import Storage
@@ -19,29 +11,31 @@ from crewai.rag.embeddings.types import ProviderSpec
 
 
 if TYPE_CHECKING:
-    from crewai.memory.storage.mem0_storage import Mem0Storage
+    from crewai.crew import Crew
 
 
 class ExternalMemory(Memory):
-    def __init__(self, storage: Storage | None = None, **data: Any):
+    def __init__(self, storage: Storage | None = None, **data: Any) -> None:
         super().__init__(storage=storage, **data)
 
     @staticmethod
-    def _configure_mem0(crew: Any, config: dict[str, Any]) -> Mem0Storage:
-        from crewai.memory.storage.mem0_storage import Mem0Storage
+    def _configure_mem0(crew: Crew, config: dict[str, Any]) -> Storage:
+        from crewai.memory.storage.mem0_storage import Mem0Config, Mem0Storage
 
-        return Mem0Storage(type="external", crew=crew, config=config)
+        return Mem0Storage(
+            type="external", crew=crew, config=cast(Mem0Config, cast(object, config))
+        )
 
     @staticmethod
-    def external_supported_storages() -> dict[str, Any]:
+    def external_supported_storages() -> dict[
+        str, Callable[[Crew, dict[str, Any]], Storage]
+    ]:
         return {
             "mem0": ExternalMemory._configure_mem0,
         }
 
     @staticmethod
-    def create_storage(
-        crew: Any, embedder_config: dict[str, Any] | ProviderSpec | None
-    ) -> Storage:
+    def create_storage(crew: Crew, embedder_config: ProviderSpec | None) -> Storage:
         if not embedder_config:
             raise ValueError("embedder_config is required")
 
@@ -53,115 +47,59 @@ class ExternalMemory(Memory):
         if provider not in supported_storages:
             raise ValueError(f"Provider {provider} not supported")
 
-        return supported_storages[provider](crew, embedder_config.get("config", {}))
+        config = embedder_config.get("config", {})
+        return supported_storages[provider](crew, cast(dict[str, Any], config))
 
+    @with_lifecycle_events(
+        "memory_save",
+        args_map={"value": "value", "metadata": "metadata"},
+        context={
+            "source_type": "external_memory",
+            "from_agent": lambda self: self.agent,
+            "from_task": lambda self: self.task,
+        },
+        elapsed_name="save_time_ms",
+    )
     def save(
         self,
         value: Any,
         metadata: dict[str, Any] | None = None,
     ) -> None:
         """Saves a value into the external storage."""
-        crewai_event_bus.emit(
-            self,
-            event=MemorySaveStartedEvent(
-                value=value,
-                metadata=metadata,
-                source_type="external_memory",
-                from_agent=self.agent,
-                from_task=self.task,
-            ),
+        item = ExternalMemoryItem(
+            value=value,
+            metadata=metadata,
+            agent=self.agent.role if self.agent else None,
         )
+        super().save(value=item.value, metadata=item.metadata)
 
-        start_time = time.time()
-        try:
-            item = ExternalMemoryItem(
-                value=value,
-                metadata=metadata,
-                agent=self.agent.role if self.agent else None,
-            )
-            super().save(value=item.value, metadata=item.metadata)
-
-            crewai_event_bus.emit(
-                self,
-                event=MemorySaveCompletedEvent(
-                    value=value,
-                    metadata=metadata,
-                    save_time_ms=(time.time() - start_time) * 1000,
-                    source_type="external_memory",
-                    from_agent=self.agent,
-                    from_task=self.task,
-                ),
-            )
-        except Exception as e:
-            crewai_event_bus.emit(
-                self,
-                event=MemorySaveFailedEvent(
-                    value=value,
-                    metadata=metadata,
-                    error=str(e),
-                    source_type="external_memory",
-                    from_agent=self.agent,
-                    from_task=self.task,
-                ),
-            )
-            raise
-
+    @with_lifecycle_events(
+        "memory_query",
+        args_map={
+            "query": "query",
+            "limit": "limit",
+            "score_threshold": "score_threshold",
+        },
+        context={
+            "source_type": "external_memory",
+            "from_agent": lambda self: self.agent,
+            "from_task": lambda self: self.task,
+        },
+        result_name="results",
+        elapsed_name="query_time_ms",
+    )
     def search(
         self,
         query: str,
         limit: int = 5,
         score_threshold: float = 0.6,
-    ):
-        crewai_event_bus.emit(
-            self,
-            event=MemoryQueryStartedEvent(
-                query=query,
-                limit=limit,
-                score_threshold=score_threshold,
-                source_type="external_memory",
-                from_agent=self.agent,
-                from_task=self.task,
-            ),
-        )
-
-        start_time = time.time()
-        try:
-            results = super().search(
-                query=query, limit=limit, score_threshold=score_threshold
-            )
-
-            crewai_event_bus.emit(
-                self,
-                event=MemoryQueryCompletedEvent(
-                    query=query,
-                    results=results,
-                    limit=limit,
-                    score_threshold=score_threshold,
-                    query_time_ms=(time.time() - start_time) * 1000,
-                    source_type="external_memory",
-                    from_agent=self.agent,
-                    from_task=self.task,
-                ),
-            )
-
-            return results
-        except Exception as e:
-            crewai_event_bus.emit(
-                self,
-                event=MemoryQueryFailedEvent(
-                    query=query,
-                    limit=limit,
-                    score_threshold=score_threshold,
-                    error=str(e),
-                    source_type="external_memory",
-                ),
-            )
-            raise
+    ) -> Any:
+        return super().search(query=query, limit=limit, score_threshold=score_threshold)
 
     def reset(self) -> None:
         self.storage.reset()
 
-    def set_crew(self, crew: Any) -> ExternalMemory:
+    def set_crew(self, crew: Crew) -> ExternalMemory:
         super().set_crew(crew)
 
         if not self.storage:

lib/crewai/src/crewai/memory/memory.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Any, cast
 
 from pydantic import BaseModel
 
@@ -24,9 +24,6 @@ class Memory(BaseModel):
     _agent: Agent | None = None
     _task: Task | None = None
 
-    def __init__(self, storage: Any, **data: Any):
-        super().__init__(storage=storage, **data)
-
     @property
     def task(self) -> Task | None:
         """Get the current task associated with this memory."""
@@ -62,8 +59,11 @@ class Memory(BaseModel):
         limit: int = 5,
         score_threshold: float = 0.6,
     ) -> list[Any]:
-        return self.storage.search(
-            query=query, limit=limit, score_threshold=score_threshold
+        return cast(
+            list[Any],
+            self.storage.search(
+                query=query, limit=limit, score_threshold=score_threshold
+            ),
         )
 
     def set_crew(self, crew: Any) -> Memory: