[PR #10852/648ff7db backport][stable-9] yaml cache plugin: make compatible with ansible-core 2.19 (#10854)

yaml cache plugin: make compatible with ansible-core 2.19 (#10852)

Make compatible with ansible-core 2.19.

(cherry picked from commit 648ff7db02)

Co-authored-by: Felix Fontein <felix@fontein.de>

changelogs/fragments/10852-yaml.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "yaml cache plugin - make compatible with ansible-core 2.19 (https://github.com/ansible-collections/community.general/issues/10849, https://github.com/ansible-collections/community.general/issues/10852)."

plugins/cache/yaml.py

@@ -45,8 +45,7 @@ options:
         # TODO: determine whether it is OK to change to: type: float
 """
 
-
+import os
-import codecs
 
 import yaml
 
@@ -61,9 +60,9 @@ class CacheModule(BaseFileCacheModule):
     """
 
     def _load(self, filepath):
-        with codecs.open(filepath, 'r', encoding='utf-8') as f:
+        with open(os.path.abspath(filepath), 'r', encoding='utf-8') as f:
             return AnsibleLoader(f).get_single_data()
 
     def _dump(self, value, filepath):
-        with codecs.open(filepath, 'w', encoding='utf-8') as f:
+        with open(os.path.abspath(filepath), 'w', encoding='utf-8') as f:
             yaml.dump(value, f, Dumper=AnsibleDumper, default_flow_style=False)