docs(examples): simplify local plugin install example script

Co-authored-by: openhands <openhands@all-hands.dev>

Author: openhands-agent

examples/05_skills_and_plugins/03_local_plugin_install/main.py

@@ -52,47 +52,40 @@ def _write_example_plugin(plugin_dir: Path, *, version: str) -> None:
     )
 
 
-def main() -> None:
-    with tempfile.TemporaryDirectory() as tmp:
-        tmp_path = Path(tmp)
+with tempfile.TemporaryDirectory() as tmp:
+    tmp_path = Path(tmp)
 
-        # Create a local plugin directory (this simulates a repo checkout).
-        plugin_source_dir = tmp_path / "local-plugin"
-        _write_example_plugin(plugin_source_dir, version="1.0.0")
+    # Create a local plugin directory (this simulates a repo checkout).
+    plugin_source_dir = tmp_path / "local-plugin"
+    _write_example_plugin(plugin_source_dir, version="1.0.0")
 
-        # Use a temp install dir instead of ~/.openhands/plugins/installed/
-        installed_dir = tmp_path / "plugins" / "installed"
+    # Use a temp install dir instead of ~/.openhands/plugins/installed/
+    installed_dir = tmp_path / "plugins" / "installed"
 
-        info = install_plugin(
-            source=str(plugin_source_dir), installed_dir=installed_dir
-        )
-        print(f"Installed: {info.name} v{info.version} from {info.source}")
-
-        print("\nList installed plugins:")
-        for item in list_installed_plugins(installed_dir=installed_dir):
-            print(f"- {item.name} v{item.version} ({item.source})")
-
-        print("\nLoad installed plugins:")
-        plugins = load_installed_plugins(installed_dir=installed_dir)
-        for plugin in plugins:
-            print(f"- {plugin.name}: {len(plugin.get_all_skills())} skill(s)")
+    info = install_plugin(source=str(plugin_source_dir), installed_dir=installed_dir)
+    print(f"Installed: {info.name} v{info.version} from {info.source}")
 
-        print("\nGet installed plugin:")
-        print(get_installed_plugin("local-plugin", installed_dir=installed_dir))
+    print("\nList installed plugins:")
+    for item in list_installed_plugins(installed_dir=installed_dir):
+        print(f"- {item.name} v{item.version} ({item.source})")
 
-        # Update: mutate the local plugin source and call update_plugin(), which
-        # reinstalls from the original source with ref=None (latest).
-        _write_example_plugin(plugin_source_dir, version="1.0.1")
-        updated = update_plugin("local-plugin", installed_dir=installed_dir)
-        assert updated is not None
-        print(f"\nUpdated: {updated.name} v{updated.version}")
+    print("\nLoad installed plugins:")
+    plugins = load_installed_plugins(installed_dir=installed_dir)
+    for plugin in plugins:
+        print(f"- {plugin.name}: {len(plugin.get_all_skills())} skill(s)")
 
-        uninstall_plugin("local-plugin", installed_dir=installed_dir)
-        print("\nAfter uninstall:")
-        print(list_installed_plugins(installed_dir=installed_dir))
+    print("\nGet installed plugin:")
+    print(get_installed_plugin("local-plugin", installed_dir=installed_dir))
 
-    print("EXAMPLE_COST: 0")
+    # Update: mutate the local plugin source and call update_plugin(), which
+    # reinstalls from the original source with ref=None (latest).
+    _write_example_plugin(plugin_source_dir, version="1.0.1")
+    updated = update_plugin("local-plugin", installed_dir=installed_dir)
+    assert updated is not None
+    print(f"\nUpdated: {updated.name} v{updated.version}")
 
+    uninstall_plugin("local-plugin", installed_dir=installed_dir)
+    print("\nAfter uninstall:")
+    print(list_installed_plugins(installed_dir=installed_dir))
 
-if __name__ == "__main__":
-    main()
+print("EXAMPLE_COST: 0")