Merge pull request #1270 from jakob-keller/allow_ttl_dns_cache_config

Support custom `ttl_dns_cache` connector configuration

CHANGES.rst

@@ -1,6 +1,10 @@
 Changes
 -------
 
+2.19.0 (2025-01-19)
+^^^^^^^^^^^^^^^^^^^
+* support custom `ttl_dns_cache` connector configuration
+
 2.18.0 (2025-01-17)
 ^^^^^^^^^^^^^^^^^^^
 * bump botocore dependency specification

aiobotocore/__init__.py

@@ -1 +1 @@
-__version__ = '2.18.0'
+__version__ = '2.19.0'

aiobotocore/config.py

@@ -46,6 +46,11 @@ def _validate_connector_args(connector_args):
                     raise ParamValidationError(
                         report=f'{k} value must be a boolean'
                     )
+            elif k == 'ttl_dns_cache':
+                if v is not None and not isinstance(v, int):
+                    raise ParamValidationError(
+                        report=f'{k} value must be an int or None'
+                    )
             elif k == 'keepalive_timeout':
                 if v is not None and not isinstance(v, (float, int)):
                     raise ParamValidationError(

tests/test_config.py

@@ -17,6 +17,11 @@ async def test_connector_args():
         connector_args = dict(use_dns_cache=1)
         AioConfig(connector_args)
 
+    with pytest.raises(ParamValidationError):
+        # wrong type
+        connector_args = dict(ttl_dns_cache="1")
+        AioConfig(connector_args)
+
     with pytest.raises(ParamValidationError):
         # wrong type
         connector_args = dict(keepalive_timeout="1")
@@ -48,6 +53,8 @@ async def test_connector_args():
         AioConfig(connector_args)
 
     # Test valid configs:
+    AioConfig({"ttl_dns_cache": None})
+    AioConfig({"ttl_dns_cache": 1})
     AioConfig({"resolver": aiohttp.resolver.DefaultResolver()})
     AioConfig({'keepalive_timeout': None})