[stable-2.14] ansible-test - Fix pylint error with old home dir (#80151) (#80152)

* [stable-2.14] ansible-test - Fix pylint error with old home dir (#80151)
(cherry picked from commit 27287b40c0)

Co-authored-by: Matt Clay <matt@mystile.com>

* ansible-test - Fix error with missing pylint home (#80155)

(cherry picked from commit 367d45facd)

changelogs/fragments/ansible-test-pylint-home.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - ansible-test - Set ``PYLINTHOME`` for the ``pylint`` sanity test to prevent failures due to ``pylint`` checking for the existence of an obsolete home directory.

test/lib/ansible_test/_internal/commands/sanity/pylint.py

@@ -18,6 +18,10 @@ from . import (
     SANITY_ROOT,
 )
 
+from ...io import (
+    make_dirs,
+)
+
 from ...test import (
     TestResult,
 )
@@ -41,6 +45,7 @@ from ...ansible_util import (
     get_collection_detail,
     CollectionDetail,
     CollectionDetailError,
+    ResultType,
 )
 
 from ...config import (
@@ -246,6 +251,12 @@ class PylintTest(SanitySingleVersion):
         # expose plugin paths for use in custom plugins
         env.update(dict(('ANSIBLE_TEST_%s_PATH' % k.upper(), os.path.abspath(v) + os.path.sep) for k, v in data_context().content.plugin_paths.items()))
 
+        # Set PYLINTHOME to prevent pylint from checking for an obsolete directory, which can result in a test failure due to stderr output.
+        # See: https://github.com/PyCQA/pylint/blob/e6c6bf5dfd61511d64779f54264b27a368c43100/pylint/constants.py#L148
+        pylint_home = os.path.join(ResultType.TMP.path, 'pylint')
+        make_dirs(pylint_home)
+        env.update(PYLINTHOME=pylint_home)
+
         if paths:
             display.info('Checking %d file(s) in context "%s" with config: %s' % (len(paths), context, rcfile), verbosity=1)