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5e0b58b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | """Canonical Brain-5D version source.
All version strings in the project should derive from this single source.
Use ``BRAIN5D_VERSION`` for the PEP-440 compatible version string and
``BRAIN5D_VERSION_DISPLAY`` for human-readable display.
Usage:
>>> from src.version import BRAIN5D_VERSION, BRAIN5D_VERSION_DISPLAY
>>> print(BRAIN5D_VERSION)
0.5.0a7
>>> print(BRAIN5D_VERSION_DISPLAY)
0.5.0-alpha.7
"""
from __future__ import annotations
from importlib.metadata import PackageNotFoundError
from importlib.metadata import version as _pkg_version
# ============================================================================
# Canonical version — single source of truth
# ============================================================================
# The authoritative version is in pyproject.toml. At runtime we attempt to
# read it from the installed package metadata. If the package is not
# installed (e.g. running from source), we fall back to a hardcoded value
# that MUST match pyproject.toml.
# The authoritative version is in pyproject.toml. We attempt to read it
# from the installed package metadata, but fall back to pyproject.toml
# directly if the package is not installed or the version is stale.
_pyproject_version: str | None = None
try:
import re as _re
from pathlib import Path as _Path
_src_dir = _Path(__file__).resolve().parent
_project_root = _src_dir.parent
_pyproject_path = _project_root / "pyproject.toml"
if _pyproject_path.exists():
_text = _pyproject_path.read_text(encoding="utf-8")
_match = _re.search(r'^version\s*=\s*"([^"]+)"', _text, _re.MULTILINE)
if _match:
_pyproject_version = _match.group(1)
except Exception:
pass
try:
_pkg_version_str: str = _pkg_version("brain5d-core")
# If the installed version is older than the pyproject.toml version,
# prefer pyproject.toml (likely running from source with stale install)
if _pyproject_version is not None and _pkg_version_str != _pyproject_version:
_pkg_version_str = _pyproject_version
except PackageNotFoundError:
_pkg_version_str = _pyproject_version or "0.5.0a7"
BRAIN5D_VERSION: str = _pkg_version_str
"""PEP-440 compatible version string (e.g. '0.5.0a7')."""
# Normalize for human-readable display
# PEP-440: 0.5.0a5 -> 0.5.0-alpha.5
_BASE = BRAIN5D_VERSION
if "a" in _BASE:
_parts = _BASE.split("a", 1)
_display: str = f"{_parts[0]}-alpha.{_parts[1]}"
elif "b" in _BASE:
_parts = _BASE.split("b", 1)
_display = f"{_parts[0]}-beta.{_parts[1]}"
else:
_display = _BASE
BRAIN5D_VERSION_DISPLAY: str = _display
"""Human-readable version string (e.g. '0.5.0-alpha.7')."""
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