Merging upstream version 24.6.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/ansiblelint/requirements.py b/src/ansiblelint/requirements.py
new file mode 100644
index 0000000..96381b9
--- /dev/null
+++ b/src/ansiblelint/requirements.py
@@ -0,0 +1,28 @@
+"""Utilities for checking python packages requirements."""
+
+import importlib_metadata
+from packaging.requirements import Requirement
+from packaging.specifiers import SpecifierSet
+from packaging.version import Version
+
+
+class Reqs(dict[str, SpecifierSet]):
+    """Utility class for working with package dependencies."""
+
+    reqs: dict[str, SpecifierSet]
+
+    def __init__(self, name: str = "ansible-lint") -> None:
+        """Load linter metadata requirements."""
+        for req_str in importlib_metadata.metadata(name).json["requires_dist"]:
+            req = Requirement(req_str)
+            if req.name:
+                self[req.name] = req.specifier
+
+    def matches(self, req_name: str, req_version: str | Version) -> bool:
+        """Verify if given version is matching current metadata dependencies."""
+        if req_name not in self:
+            return False
+        return all(
+            specifier.contains(str(req_version), prereleases=True)
+            for specifier in self[req_name]
+        )