Use cache from ansible-compat

Related: ansible/molecule#3180

Author: ssbarnea

.pre-commit-config.yaml

@@ -51,6 +51,7 @@ repos:
         entry: mypy src/
         pass_filenames: false
         additional_dependencies:
+          - ansible-compat>=0.5.0
           - molecule
           - packaging
           - types-requests

setup.cfg

@@ -66,6 +66,7 @@ setup_requires =
 
 # These are required in actual runtime:
 install_requires =
+    ansible-compat >= 0.5.0
     molecule >= 3.4.0
     # selinux python module is needed as least by ansible-docker modules
     # and allows use of isolated (default) virtualenvs. It does not avoid need

src/molecule_docker/driver.py

@@ -24,9 +24,10 @@
 import os
 from typing import Dict
 
+from ansible_compat.ports import cache
 from molecule import logger
 from molecule.api import Driver
-from molecule.util import lru_cache, sysexit_with_message
+from molecule.util import sysexit_with_message
 
 log = logger.get_logger(__name__)
 
@@ -223,7 +224,7 @@ def ansible_connection_options(self, instance_name):
             x["ansible_docker_extra_args"] = "-H={}".format(os.environ["DOCKER_HOST"])
         return x
 
-    @lru_cache()
+    @cache
     def sanity_checks(self):
         """Implement Docker driver sanity checks."""
         log.info("Sanity checks: '{}'".format(self._name))