Allow use of * version on dependencies (#268)

Related: ansible/ansible-lint#2924

Author: ssbarnea

src/ansible_compat/runtime.py

@@ -16,7 +16,6 @@
 
 import subprocess_tee
 from packaging.version import Version
-from packaging.version import parse as parse_version
 
 from ansible_compat.config import (
     AnsibleConfig,
@@ -58,6 +57,18 @@ class Collection:
     path: Path
 
 
+class CollectionVersion(Version):
+    """Collection version."""
+
+    def __init__(self, version: str) -> None:
+        """Initialize collection version."""
+        # As packaging Version class does not support wildcard, we convert it
+        # to "0", as this being the smallest version possible.
+        if version == "*":
+            version = "0"
+        super().__init__(version)
+
+
 # pylint: disable=too-many-instance-attributes
 class Runtime:
     """Ansible Runtime manager."""
@@ -191,7 +202,7 @@ def _ensure_module_available(self) -> None:
             msg = "Unable to find Ansible python module."
             raise RuntimeError(msg)
 
-        ansible_module_version = parse_version(
+        ansible_module_version = Version(
             ansible_release_module.__version__,
         )
         if ansible_module_version != self.version:
@@ -326,7 +337,7 @@ def install_collection(
         # if the range requires a pre-release, we need to manuall add the --pre
         # flag when needed.
         matches = version_re.search(str(collection))
-        if matches and Version(matches[1]).is_prerelease:
+        if matches and CollectionVersion(matches[1]).is_prerelease:
             cmd.append("--pre")
 
         cpaths: list[str] = self.config.collections_paths
@@ -592,10 +603,10 @@ def require_collection(
 
                 with mpath.open(encoding="utf-8") as f:
                     manifest = json.loads(f.read())
-                    found_version = parse_version(
+                    found_version = CollectionVersion(
                         manifest["collection_info"]["version"],
                     )
-                    if version and found_version < parse_version(version):
+                    if version and found_version < CollectionVersion(version):
                         if install:
                             self.install_collection(f"{name}:>={version}")
                             self.require_collection(name, version, install=False)

test/collections/acme.goodies/galaxy.yml

@@ -6,7 +6,8 @@ authors:
   - Red Hat
 description: Sample collection to use with molecule
 dependencies:
-  community.molecule: ">=0.1.0"
+  community.molecule: ">=0.1.0" # used to also test '=>' condition
+  ansible.utils: "*" # used to also test '*'
 build_ignore:
   - "*.egg-info"
   - .DS_Store

test/test_runtime.py

@@ -640,7 +640,11 @@ def test_runtime_version_in_range(
         pytest.param(
             "test/collections/acme.goodies",
             "default",
-            ["ansible.posix"],
+            [
+                "ansible.posix",  # from tests/requirements.yml
+                "ansible.utils",  # from galaxy.yml
+                "community.molecule",  # from galaxy.yml
+            ],
             id="normal",
         ),
         pytest.param(