Defer CDK imports in infra provisioning (#12591)

dfangl · simonrw · commit 175f22f694b8 · 2025-05-08T14:03:53.000+01:00
diff --git a/localstack-core/localstack/packages/api.py b/localstack-core/localstack/packages/api.py
@@ -8,7 +8,7 @@
 from threading import RLock
 from typing import Any, Callable, Generic, List, Optional, ParamSpec, TypeVar
 
-from plux import Plugin, PluginManager, PluginSpec  # type: ignore[import-untyped]
+from plux import Plugin, PluginManager, PluginSpec  # type: ignore
 
 from localstack import config
 
diff --git a/tests/aws/conftest.py b/tests/aws/conftest.py
@@ -8,7 +8,6 @@
 
 from localstack import config as localstack_config
 from localstack import constants
-from localstack.testing.scenario.provisioning import InfraProvisioner
 from localstack.testing.snapshots.transformer_utility import (
     SNAPSHOT_BASIC_TRANSFORMER,
     SNAPSHOT_BASIC_TRANSFORMER_NEW,
@@ -85,6 +84,9 @@ def cdk_template_path():
 # Note: Don't move this into testing lib
 @pytest.fixture(scope="session")
 def infrastructure_setup(cdk_template_path, aws_client):
+    # Note: import needs to be local to avoid CDK import on every test run, which takes quite some time
+    from localstack.testing.scenario.provisioning import InfraProvisioner
+
     def _infrastructure_setup(
         namespace: str, force_synth: Optional[bool] = False
     ) -> InfraProvisioner:
