versions: add support for version checks via pyproject.toml

* previously, only `Pipfile` was considered, which only supports
  `pipenv` but not `uv`

invenio_cli/commands/containers.py

@@ -9,7 +9,7 @@
 """Invenio module to ease the creation and management of applications."""
 
 from ..helpers.docker_helper import DockerHelper
-from ..helpers.rdm import rdm_version
+from ..helpers.versions import rdm_version
 from .packages import PackagesCommands
 from .services import ServicesCommands
 from .steps import FunctionStep

invenio_cli/commands/requirements.py

@@ -15,7 +15,7 @@
 
 from ..helpers.docker_helper import DockerHelper
 from ..helpers.process import ProcessResponse, run_cmd
-from ..helpers.rdm import rdm_version
+from ..helpers.versions import rdm_version
 from .steps import FunctionStep
 
 

invenio_cli/commands/services.py

@@ -15,9 +15,8 @@
 from invenio_cli.helpers.env import env
 
 from ..helpers.docker_helper import DockerHelper
-from ..helpers.ils import ils_version
 from ..helpers.process import ProcessResponse
-from ..helpers.rdm import rdm_version
+from ..helpers.versions import ils_version, rdm_version
 from .commands import Commands
 from .services_health import HEALTHCHECKS, ServicesHealthCommands
 from .steps import CommandStep, FunctionStep

invenio_cli/helpers/versions.py

@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Invenio.
+# Copyright (C) 2022 CERN.
+#
+# Invenio is free software; you can redistribute it and/or modify it
+# under the terms of the MIT License; see LICENSE file for more details.
+
+"""Invenio CLI dependencies helper."""
+
+import os
+import re
+import tomllib
+
+from packaging.requirements import Requirement
+from pipfile import Pipfile
+
+_version_pattern = re.compile(r"[0-9]*\.[0-9]*\.[0-9]*")
+
+
+def _parse_version(version):
+    """Parse a version identifier into a list of numbers."""
+    groups = _version_pattern.search(version)
+    if groups:
+        return [int(v) for v in groups.group(0).split(".")]
+    else:
+        return None
+
+
+def _from_pipfile(dep_name):
+    """Parse the stated dependency from the ``Pipfile``."""
+    parsed = Pipfile.load(filename="./Pipfile")
+    version = (parsed.data["default"].get(dep_name, {}).get("version", ""),)
+    return _parse_version(version)
+
+
+def _from_pyproject_toml(dep_name):
+    """Parse the stated dependency from ``pyproject.toml``."""
+    with open("./pyproject.toml", "rb") as toml_file:
+        parsed = tomllib.load(toml_file)
+
+    dependencies = [Requirement(d) for d in parsed["project"]["dependencies"]]
+    app_rdms = [d for d in dependencies if d.name == "invenio-app-rdm"]
+    if not app_rdms:
+        return None
+
+    # Get the first concrete positive version specifier
+    v, *_ = [s for s in app_rdms[0].specifier if not s.operator.startswith("!")]
+    return _parse_version(v.version)
+
+
+def rdm_version():
+    """Return the latest RDM version."""
+    if os.path.isfile("./Pipfile"):
+        return _from_pipfile("invenio-app-rdm")
+
+    elif os.path.isfile("./pyproject.toml"):
+        return _from_pyproject_toml("invenio-app-rdm")
+
+    else:
+        raise FileNotFoundError("Found neither 'Pipfile' nor 'pyproject.toml'")
+
+
+def ils_version():
+    """Return the latest ILS version."""
+    if os.path.isfile("./Pipfile"):
+        return _from_pipfile("invenio-app-ils")
+
+    elif os.path.isfile("./pyproject.toml"):
+        return _from_pyproject_toml("invenio-app-ils")
+
+    else:
+        raise FileNotFoundError("Found neither 'Pipfile' nor 'pyproject.toml'")