Add version command

Author: Perlence

ahkpy/main.py

@@ -91,8 +91,11 @@ def open_docs():
 
 
 def run_from_args():
-    usage = "py -m ahkpy [-h] [-q] [--no-tray] [-c CMD | -m MOD | FILE | -] [ARGS] ..."
-    parser = GUIArgumentParser(usage=usage)
+    usage = "py -m ahkpy [-h] [-V] [-q] [--no-tray] [-c CMD | -m MOD | FILE | -] [ARGS] ..."
+    parser = GUIArgumentParser(usage=usage, prog="ahkpy")
+    parser.add_argument(
+        "-V", "--version", action="version", version=version(),
+    )
     parser.add_argument(
         "-q", "--quiet", action="store_true",
         help="suppress message boxes with errors",
@@ -167,6 +170,12 @@ def _print_message(self, message, file=None):
             file.write(message)
 
 
+def version():
+    python_version, _, _ = sys.version.partition(" ")
+    ahk_version = ahk.flow.ahk_call("GetVar", "A_AhkVersion")
+    return f"AutoHotkey.py {ahk.__version__}, Python {python_version}, AutoHotkey {ahk_version}"
+
+
 def interact():
     import code
     console = code.InteractiveConsole(locals={"ahkpy": ahk, "ahk": ahk})

docs/quickstart.rst

@@ -16,7 +16,7 @@ When invoking AutoHotkey.py, you may specify any of these options:
 
 .. code-block:: text
 
-   ahkpy [-h] [-q] [--no-tray] [-c CMD | -m MOD | FILE | -] [args]
+   ahkpy [-h] [-V] [-q] [--no-tray] [-c CMD | -m MOD | FILE | -] [args]
 
 The most common use case is, of course, a simple invocation of a script: