Refactor versioning and metadata handling in the Python module

SLS_Python/.gitignore

@@ -1,5 +1,4 @@
 __pycache__/
 .venv/
-sls/_version.py
 sls_python.egg-info/
 dist/

SLS_Python/pyproject.toml

@@ -5,8 +5,8 @@ build-backend = "sls_build_backend"
 
 [project]
 name = "sls_python"
-version = "0.1.0"
+version = "0.0.1-alpha"
-description = "Python reimplementation skeleton of the SLS C project"
+description = "Python reimplementation of the SLS C project"
 authors = [ { name = "Kyler Olsen" } ]
 readme = "README.md"
 license = { text = "MIT" }

SLS_Python/sls/_version.py

@@ -0,0 +1,17 @@
+import subprocess
+from datetime import datetime, timezone
+__result_hash = subprocess.check_output(
+    ["git", "describe", "--always", "--dirty", "--abbrev=7"],
+    cwd=".",
+    stderr=subprocess.DEVNULL,
+    text=True
+).strip()
+__result_date = subprocess.check_output(
+    ["git", "show", "-s", "--format=%ci"],
+    cwd=".",
+    stderr=subprocess.DEVNULL,
+    text=True
+).strip()
+version = "unknown"
+commit = __result_hash + " " + __result_date
+timestamp = datetime.now(timezone.utc).isoformat() + "Z"

SLS_Python/sls/meta.py

@@ -4,34 +4,15 @@
 # November 2025
 
 import sys
-from datetime import datetime, timezone
 try:
-    from ._version import commit, timestamp # type: ignore
+    from ._version import version, commit, timestamp # type: ignore
 except ImportError:
-    try:
+    version = "unknown"
-        import subprocess
-        result_hash = subprocess.check_output(
-            ["git", "describe", "--always", "--dirty", "--abbrev=7"],
-            cwd=".",
-            stderr=subprocess.DEVNULL,
-            text=True
-        ).strip()
-        result_date = subprocess.check_output(
-            ["git", "show", "-s", "--format=%ci"],
-            cwd=".",
-            stderr=subprocess.DEVNULL,
-            text=True
-        ).strip()
-        commit = f"{result_hash} {result_date}"
-        timestamp = datetime.now(timezone.utc).isoformat() + "Z"
-    except Exception:
     commit = "unknown"
     timestamp = "unknown"
 
 
-# Equivalent of SLS_NAME and SLS_VER
 SLS_NAME = "SLS_PYTHON"
-SLS_VER = "a.0.0"
 
 # Runtime interpreter info (Python equivalent of compiler)
 _impl = sys.implementation
@@ -39,5 +20,5 @@ INTERPRETER_NAME = _impl.name.capitalize()
 INTERPRETER_VER = _impl.version.major
 
 def print_version() -> None:
-    print(f"YREA SLS ({SLS_NAME}) {SLS_VER} ({commit})")
+    print(f"YREA SLS ({SLS_NAME}) {version} ({commit})")
     print(f"Running on {INTERPRETER_NAME} {INTERPRETER_VER} at {timestamp}")

SLS_Python/sls_build_backend/_version.py.in

@@ -1,3 +1,4 @@
 # Auto-generated during build
+version = "{version}"
 commit = "{commit}"
 timestamp = "{timestamp}"

SLS_Python/sls_build_backend/_version_dev.py.in

@@ -0,0 +1,17 @@
+import subprocess
+from datetime import datetime, timezone
+__result_hash = subprocess.check_output(
+    ["git", "describe", "--always", "--dirty", "--abbrev=7"],
+    cwd=".",
+    stderr=subprocess.DEVNULL,
+    text=True
+).strip()
+__result_date = subprocess.check_output(
+    ["git", "show", "-s", "--format=%ci"],
+    cwd=".",
+    stderr=subprocess.DEVNULL,
+    text=True
+).strip()
+version = "{version}"
+commit = __result_hash + " " + __result_date
+timestamp = datetime.now(timezone.utc).isoformat() + "Z"

SLS_Python/sls_build_backend/write_version.py

@@ -4,6 +4,7 @@ import pathlib
 
 root = pathlib.Path(__file__).resolve().parents[1]
 template = root / "sls_build_backend" / "_version.py.in"
+template_dev = root / "sls_build_backend" / "_version_dev.py.in"
 output = root / "sls" / "_version.py"
 
 def get_commit():
@@ -28,15 +29,19 @@ def get_timestamp():
     return datetime.datetime.now(datetime.timezone.utc).isoformat() + "Z"
 
 def clean_output():
-    if output.exists():
+    version = "unknown"
-        output.unlink()
+
+    text = template_dev.read_text()
+    text = text.format(version=version)
+    output.write_text(text)
 
 def main():
+    version = "unknown"
     commit = get_commit()
     timestamp = get_timestamp()
 
     text = template.read_text()
-    text = text.format(commit=commit, timestamp=timestamp)
+    text = text.format(version=version, commit=commit, timestamp=timestamp)
     output.write_text(text)
 
 if __name__ == "__main__":