feat: add main script and version module

Signed-off-by: jingfelix <[email protected]>

src/bilifm/__main__.py

@@ -0,0 +1,3 @@
+from .command import app
+
+app()

src/bilifm/__version__.py

@@ -0,0 +1,9 @@
+import sys
+
+if sys.version_info >= (3, 10):
+    import importlib.metadata as importlib_metadata
+else:
+    import importlib_metadata
+
+
+__version__ = importlib_metadata.version("bilifm")

src/bilifm/command.py

@@ -2,6 +2,7 @@
 
 import typer
 
+from .__version__ import __version__
 from .audio import Audio
 from .fav import Fav
 from .season import Season
@@ -12,6 +13,17 @@
 app = typer.Typer()
 
 
+@app.callback(invoke_without_command=True)
+def callback(version: bool = False):
+    """
+    Entry for public options
+    """
+
+    if version:
+        typer.echo(f"ppatch, version {__version__}")
+        raise typer.Exit()
+
+
 @app.command()
 def bv(
     bv: str,