add version argument

Author: niccokunzmann

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ical2jcal"
-version = "0.0.0"
+dynamic = ["version"]
 description = "Convert between iCalendar and jCalendar formats."
 authors = [
     { name = "Nicco Kunzmann", email = "niccokunzmann@rambler.ru" }]
@@ -72,13 +72,14 @@ licenses = [
 ]
 
 [build-system]
-requires = ["uv_build>=0.9.0,<0.10.0"]
-build-backend = "uv_build"
+requires = ["hatchling", "uv-dynamic-versioning"]
+build-backend = "hatchling.build"
 
-# For non-src directory projects, explicitly set top level model name:
-#[tool.uv.build-backend]
-#module-name = "my-app"
-#module-root = ""
+[tool.hatch.version]
+source = "uv-dynamic-versioning"
+
+[tool.uv-dynamic-versioning]
+fallback-version = "0.0.0"
 
 [tool.uv]
 default-groups = "all"

src/ical2jcal/__init__.py

@@ -1 +1,8 @@
 """Command line package for converting iCalendar files to jCal files."""
+
+import importlib.metadata
+
+try:
+    __version__ = importlib.metadata.version(__name__)
+except importlib.metadata.PackageNotFoundError:
+    __version__ = "0.0.0"  # Fallback for development mode

src/ical2jcal/cli.py

@@ -7,15 +7,27 @@
 from rich.console import Console
 import typer
 
+console = Console()
 err_console = Console(stderr=True)
 ical2jcal = typer.Typer(add_completion=False)
 
 
+def version_callback(value: bool):
+    if value:
+        import ical2jcal
+
+        console.print(f"{ical2jcal.__name__}: {ical2jcal.__version__}")
+        raise typer.Exit()
+
+
 @ical2jcal.command()
 def convert_to_jcal(
     ics_path: Annotated[typer.FileText, typer.Argument(exists=True)],
     jcal_path: Annotated[typer.FileTextWrite, typer.Argument()],
     pretty: Annotated[bool, typer.Option("--pretty", "-p", help="Pretty print json")] = False,
+    version: Annotated[
+        bool | None, typer.Option("--version", callback=version_callback, help="Print version")
+    ] = None,
 ) -> None:
     """Convert an ics file to a jcal file.
 
@@ -44,6 +56,9 @@ def convert_to_jcal(
 def convert_to_ical(
     jcal_path: Annotated[typer.FileText, typer.Argument(exists=True)],
     ics_path: Annotated[typer.FileBinaryWrite, typer.Argument()],
+    version: Annotated[
+        bool | None, typer.Option("--version", callback=version_callback, help="Print version")
+    ] = None,
 ) -> None:
     """Convert an jcal file to an ics file.
 

tests/test_version.py

@@ -0,0 +1,12 @@
+from ical2jcal import cli, __version__
+import pytest
+from typer.testing import CliRunner
+
+
+@pytest.mark.parametrize("endpoint", [cli.ical2jcal, cli.jcal2ical])
+def test_version(endpoint):
+    runner = CliRunner()
+    result = runner.invoke(endpoint, ["--version"])
+    assert result.exit_code == 0, result.output
+    assert "ical2jcal" in result.stdout
+    assert __version__ in result.stdout