version support in built app

Author: fredvisser

.gitignore

@@ -77,5 +77,6 @@ slcli/__pycache__/
 scripts/__pycache__/
 docs/__pycache__/
 tests/unit/__pycache__/
+slcli/_version.py
 
 # End of .gitignore

pyproject.toml

@@ -7,6 +7,7 @@ authors = ["Fred Visser <fred.visser@emerson.com>"]
 
 [tool.poetry.scripts]
 slcli = "slcli.__main__:cli"
+build-pyinstaller = "scripts.build_pyinstaller:main"
 
 [tool.poetry.dependencies]
 python = ">=3.11.1,<3.14"

scripts/build_pyinstaller.py

@@ -3,13 +3,45 @@
 import os
 import subprocess
 import sys
+from pathlib import Path
+
+import tomllib
 
 # This script is intended to be run as a Poetry script:
 # > poetry run build-pyinstaller
 
 
+def generate_version_file():
+    """Generate _version.py file from pyproject.toml."""
+    project_root = Path(__file__).parent.parent
+    pyproject_path = project_root / "pyproject.toml"
+    version_file_path = project_root / "slcli" / "_version.py"
+
+    # Read version from pyproject.toml
+    with open(pyproject_path, "rb") as f:
+        pyproject_data = tomllib.load(f)
+
+    version = pyproject_data["tool"]["poetry"]["version"]
+
+    # Write _version.py file
+    version_content = f'''"""Version information for slcli."""
+
+# This file is auto-generated during build. Do not edit manually.
+__version__ = "{version}"
+'''
+
+    with open(version_file_path, "w") as f:
+        f.write(version_content)
+
+    print(f"Generated _version.py with version {version}")
+    return version
+
+
 def main():
     """Build the slcli binary using PyInstaller."""
+    # Generate version file first
+    version = generate_version_file()
+
     project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     entry_point = os.path.join(project_root, "slcli", "__main__.py")
     cmd = [
@@ -26,7 +58,7 @@ def main():
     if result.returncode != 0:
         print("PyInstaller build failed.")
         sys.exit(result.returncode)
-    print("PyInstaller build completed.")
+    print(f"PyInstaller build completed for version {version}.")
 
 
 if __name__ == "__main__":

slcli/main.py

@@ -14,18 +14,24 @@
 
 
 def get_version() -> str:
-    """Get version from pyproject.toml."""
+    """Get version from _version.py (built binary) or pyproject.toml (development)."""
     try:
-        # Get the path to pyproject.toml relative to this file
-        current_dir = Path(__file__).parent
-        pyproject_path = current_dir.parent / "pyproject.toml"
-
-        with open(pyproject_path, "rb") as f:
-            pyproject_data = tomllib.load(f)
-
-        return pyproject_data["tool"]["poetry"]["version"]
-    except Exception:
-        return "unknown"
+        # Try to import from _version.py first (works in built binary)
+        from ._version import __version__
+
+        return __version__
+    except ImportError:
+        # Fall back to reading pyproject.toml (works in development)
+        try:
+            current_dir = Path(__file__).parent
+            pyproject_path = current_dir.parent / "pyproject.toml"
+
+            with open(pyproject_path, "rb") as f:
+                pyproject_data = tomllib.load(f)
+
+            return pyproject_data["tool"]["poetry"]["version"]
+        except Exception:
+            return "unknown"
 
 
 CONTEXT_SETTINGS = dict(help_option_names=["-h", "--help"])