🔀 Merge pull request #74 from davep/cli-theme

Allow setting the theme via the command line

Author: davep

ChangeLog.md

@@ -1,5 +1,13 @@
 # Hike ChangeLog
 
+## Unreleased
+
+**Released: WiP**
+
+- Added `--theme` as a command line switch; which lets the user configure
+  the theme via the command line.
+  ([#74](https://github.com/davep/hike/pull/74))
+
 ## v0.9.0
 
 **Released: 2025-04-01**

src/hike/__main__.py

@@ -52,6 +52,13 @@ def get_args() -> Namespace:
         action="store_true",
     )
 
+    # Add --theme
+    parser.add_argument(
+        "-t",
+        "--theme",
+        help="Set the theme for the application (set to ? to list available themes)",
+    )
+
     # The remainder is going to be the initial command.
     parser.add_argument(
         "command",
@@ -82,6 +89,14 @@ def show_bindable_commands() -> None:
             )
 
 
+##############################################################################
+def show_themes() -> None:
+    """Show the available themes."""
+    for theme in sorted(Hike(Namespace(theme=None)).available_themes):
+        if theme != "textual-ansi":
+            print(theme)
+
+
 ##############################################################################
 def main() -> None:
     """The main entry point."""
@@ -90,6 +105,8 @@ def main() -> None:
         print(cleandoc(Hike.HELP_LICENSE))
     elif args.bindings:
         show_bindable_commands()
+    elif args.theme == "?":
+        show_themes()
     else:
         Hike(args).run()
 

src/hike/hike.py

@@ -64,7 +64,7 @@ def __init__(self, arguments: Namespace) -> None:
         configuration = load_configuration()
         if configuration.theme is not None:
             try:
-                self.theme = configuration.theme
+                self.theme = arguments.theme or configuration.theme
             except InvalidThemeError:
                 pass
         self.update_keymap(configuration.bindings)