feat: Restore local sandbox execution (#822)

letta/server/server.py

@@ -207,7 +207,7 @@ if settings.letta_pg_uri_no_default:
 else:
     # TODO: don't rely on config storage
     engine_path = "sqlite:///" + os.path.join(config.recall_storage_path, "sqlite.db")
-    print("Creating sqlite engine", engine_path)
+    logger.info("Creating sqlite engine " + engine_path)
 
     engine = create_engine(engine_path)
 

letta/services/tool_execution_sandbox.py

@@ -225,7 +225,8 @@ class ToolExecutionSandbox:
 
         try:
             # Execute the temp file
-            result = runpy.run_path(temp_file_path, init_globals=env)
+            with self.temporary_env_vars(env):
+                result = runpy.run_path(temp_file_path, init_globals=env)
 
             # Fetch the result
             func_result = result.get(self.LOCAL_SANDBOX_RESULT_VAR_NAME)