1 files changed, 21 insertions, 0 deletions
diff --git a/lib/ansible/galaxy/dependency_resolution/resolvers.py b/lib/ansible/galaxy/dependency_resolution/resolvers.py
new file mode 100644
index 0000000..87ca38d
--- /dev/null
+++ b/lib/ansible/galaxy/dependency_resolution/resolvers.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2020-2021, Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+"""Requirement resolver implementations."""
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+try:
+    from resolvelib import Resolver
+except ImportError:
+    class Resolver:  # type: ignore[no-redef]
+        pass
+
+
+class CollectionDependencyResolver(Resolver):
+    """A dependency resolver for Ansible Collections.
+
+    This is a proxy class allowing us to abstract away importing resolvelib
+    outside of the `ansible.galaxy.dependency_resolution` Python package.
+    """