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-rw-r--r--lib/ansible/utils/collection_loader/_collection_meta.py32
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diff --git a/lib/ansible/utils/collection_loader/_collection_meta.py b/lib/ansible/utils/collection_loader/_collection_meta.py
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+# (c) 2019 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+# CAUTION: This implementation of the collection loader is used by ansible-test.
+# Because of this, it must be compatible with all Python versions supported on the controller or remote.
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+try:
+ from collections.abc import Mapping
+except ImportError:
+ from collections import Mapping # type: ignore[no-redef,attr-defined] # pylint: disable=ansible-bad-import-from
+
+from ansible.module_utils.common.yaml import yaml_load
+
+
+def _meta_yml_to_dict(yaml_string_data, content_id):
+ """
+ Converts string YAML dictionary to a Python dictionary. This function may be monkeypatched to another implementation
+ by some tools (eg the import sanity test).
+ :param yaml_string_data: a bytes-ish YAML dictionary
+ :param content_id: a unique ID representing the content to allow other implementations to cache the output
+ :return: a Python dictionary representing the YAML dictionary content
+ """
+ # NB: content_id is passed in, but not used by this implementation
+ routing_dict = yaml_load(yaml_string_data)
+ if not routing_dict:
+ routing_dict = {}
+ if not isinstance(routing_dict, Mapping):
+ raise ValueError('collection metadata must be an instance of Python Mapping')
+ return routing_dict