fix release_check

Author: HDembinski

.ci/release_check.py

@@ -1,6 +1,6 @@
 """Ensure that current version is not in conflict with published releases."""
 
-from iminuit._parse_version import parse_version
+from packaging.version import Version
 import subprocess as subp
 from pathlib import PurePath
 import urllib.request
@@ -9,37 +9,32 @@
 import sys
 
 
-def version_string(v):
-    return ".".join(map(str, v))
-
-
 project_dir = PurePath(__file__).parent.parent
 changelog_fn = project_dir / "doc/changelog.rst"
 version_fn = project_dir / "version.py"
 
 version = subp.check_output([sys.executable, version_fn]).strip().decode()
 
 with warnings.catch_warnings(record=True) as record:
-    iminuit_version = parse_version(version)
+    iminuit_version = Version(version)
 if record:
     raise ValueError(record[0].message)
 
-iminuit_version_string = version_string(iminuit_version)
-print("iminuit version:", iminuit_version_string)
+print("iminuit version:", iminuit_version)
 
 # make sure that changelog was updated
 with open(changelog_fn) as f:
-    assert iminuit_version_string in f.read(), "changelog entry missing"
+    assert iminuit_version.base_version in f.read(), "changelog entry missing"
 
 # make sure that version is not already tagged
 tags = subp.check_output(["git", "tag"]).decode().strip().split("\n")
-assert f"v{iminuit_version_string}" not in tags, "tag exists"
+assert f"v{iminuit_version}" not in tags, "tag exists"
 
 # make sure that version itself was updated
 with urllib.request.urlopen("https://pypi.org/pypi/iminuit/json") as r:
-    pypi_versions = [parse_version(v) for v in json.loads(r.read())["releases"]]
+    pypi_versions = [Version(v) for v in json.loads(r.read())["releases"]]
 
 pypi_versions.sort()
-print("PyPI    version:", version_string(pypi_versions[-1]))
+print("PyPI    version:", pypi_versions[-1])
 
 assert iminuit_version not in pypi_versions, "pypi version exists"

.github/workflows/release.yml

@@ -28,7 +28,9 @@ jobs:
           python-version: '3.11'
 
       - if: ${{ github.ref == 'refs/heads/main' }}
-        run: python .ci/release_check.py
+        run: |
+          pip install packaging
+          python .ci/release_check.py
 
       - id: tag
         run: echo "tag=$(python version.py)" >> $GITHUB_OUTPUT