1  """Get current project version from Git tags or changelog."""
 2  
 3  import re
 4  from contextlib import suppress
 5  from pathlib import Path
 6  
 7  from pdm.backend.hooks.version import SCMVersion, Version, default_version_formatter, get_version_from_scm
 8  
 9  _root = Path(__file__).parent.parent
10  _changelog = _root / "CHANGELOG.md"
11  _changelog_version_re = re.compile(r"^## \[(\d+\.\d+\.\d+)\].*$")
12  _default_scm_version = SCMVersion(Version("0.0.0"), None, False, None, None)  # noqa: FBT003
13  
14  
15  def get_version() -> str:
16      """Get current project version from Git tags or changelog."""
17      scm_version = get_version_from_scm(_root) or _default_scm_version
18      if scm_version.version <= Version("0.1"):  # Missing Git tags?
19          with suppress(OSError, StopIteration):  # noqa: SIM117
20              with _changelog.open("r", encoding="utf8") as file:
21                  match = next(filter(None, map(_changelog_version_re.match, file)))
22                  scm_version = scm_version._replace(version=Version(match.group(1)))
23      return default_version_formatter(scm_version)
24  
25  
26  if __name__ == "__main__":
27      print(get_version())