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ansible/lib/ansible/utils/collection_loader/_collection_meta.py

38 lines
1.8 KiB
Python

# (c) 2019 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# CAUTION: There are two implementations of the collection loader.
# They must be kept functionally identical, although their implementations may differ.
#
# 1) The controller implementation resides in the "lib/ansible/utils/collection_loader/" directory.
# It must function on all Python versions supported on the controller.
# 2) The ansible-test implementation resides in the "test/lib/ansible_test/_util/target/legacy_collection_loader/" directory.
# It must function on all Python versions supported on managed hosts which are not supported by the controller.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
try:
from collections.abc import Mapping # pylint: disable=ansible-bad-import-from
except ImportError:
from collections import Mapping # 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