1 files changed, 55 insertions, 0 deletions
diff --git a/lib/ansible/galaxy/dependency_resolution/__init__.py b/lib/ansible/galaxy/dependency_resolution/__init__.py
new file mode 100644
index 0000000..cfde7df
--- /dev/null
+++ b/lib/ansible/galaxy/dependency_resolution/__init__.py
@@ -0,0 +1,55 @@
+# -*- 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)
+"""Dependency resolution machinery."""
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import typing as t
+
+if t.TYPE_CHECKING:
+    from ansible.galaxy.api import GalaxyAPI
+    from ansible.galaxy.collection.concrete_artifact_manager import (
+        ConcreteArtifactsManager,
+    )
+    from ansible.galaxy.dependency_resolution.dataclasses import (
+        Candidate,
+        Requirement,
+    )
+
+from ansible.galaxy.collection.galaxy_api_proxy import MultiGalaxyAPIProxy
+from ansible.galaxy.dependency_resolution.providers import CollectionDependencyProvider
+from ansible.galaxy.dependency_resolution.reporters import CollectionDependencyReporter
+from ansible.galaxy.dependency_resolution.resolvers import CollectionDependencyResolver
+
+
+def build_collection_dependency_resolver(
+        galaxy_apis,  # type: t.Iterable[GalaxyAPI]
+        concrete_artifacts_manager,  # type: ConcreteArtifactsManager
+        user_requirements,  # type: t.Iterable[Requirement]
+        preferred_candidates=None,  # type: t.Iterable[Candidate]
+        with_deps=True,  # type: bool
+        with_pre_releases=False,  # type: bool
+        upgrade=False,  # type: bool
+        include_signatures=True,  # type: bool
+        offline=False,  # type: bool
+):  # type: (...) -> CollectionDependencyResolver
+    """Return a collection dependency resolver.
+
+    The returned instance will have a ``resolve()`` method for
+    further consumption.
+    """
+    return CollectionDependencyResolver(
+        CollectionDependencyProvider(
+            apis=MultiGalaxyAPIProxy(galaxy_apis, concrete_artifacts_manager, offline=offline),
+            concrete_artifacts_manager=concrete_artifacts_manager,
+            user_requirements=user_requirements,
+            preferred_candidates=preferred_candidates,
+            with_deps=with_deps,
+            with_pre_releases=with_pre_releases,
+            upgrade=upgrade,
+            include_signatures=include_signatures,
+        ),
+        CollectionDependencyReporter(),
+    )