[CodeBuild] actually commit the version check script

.github/workflows/check_version.yaml

@@ -11,4 +11,4 @@ jobs:
           fetch-depth: 0
       - uses: ./.github/actions/prepare_poetry_env
       - name: Check Release
-        run: ./scripts/build/check_release.sh
+        run: ./scripts/check_release.sh

scripts/check_release_version.py

@@ -0,0 +1,50 @@
+import re
+from pathlib import Path
+
+from git import Repo
+import toml
+
+
+def get_git_version():
+    repo = Repo()
+    assert not repo.bare
+    tag_strings = [t.name for t in repo.tags]
+    tag_strings.sort(reverse=True)
+
+    latest_tag = tag_strings[0].strip()
+    assert len(latest_tag) > 0
+    return latest_tag
+
+
+def get_poetry_version():
+    parsed_toml = toml.load('pyproject.toml')
+    return parsed_toml["tool"]["poetry"]["version"].strip()
+
+
+def get_change_log_version():
+    # Path overloads __truediv__
+    with open(Path(__file__).parent / ".." / ".." / "doc" / "changes" / "changelog.md") as changelog:
+        changelog_str = changelog.read()
+        # Search for the FIRST pattern like: "* [0.5.0](changes_0.5.0.md)" in the changelog file.
+        # Note that we encapsulate the [(0.5.0)] with parenthesis, which tells re to return the matching string as group
+        version_match = re.search(r"\* \[([0-9]+.[0-9]+.[0-9]+)]\(\S+\)", changelog_str)
+        return version_match.groups()[0]
+
+
+if __name__ == '__main__':
+    poetry_version = get_poetry_version()
+    latest_tag = get_git_version()
+    changelog_version = get_change_log_version()
+    print(f'Changelog version: "{changelog_version}"')
+    print(f'Current version: "{poetry_version}"')
+    print(f'Latest git tag: "{latest_tag}"')
+
+    # We expect that the current version in pyproject.toml is always greater than the latest tag.
+    # Thus we avoid creating a release without having the version number updated.
+    if not poetry_version > latest_tag:
+        raise ValueError("Poetry version needs to be updated!")
+
+    if changelog_version != poetry_version:
+        raise ValueError("Poetry version differs from Changelog version!")
+
+    print("Everything looks good")