feat: implement optional extension update entry point

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/core/menus/main_menu.py

@@ -22,7 +22,7 @@ from core.menus import FooterType
 from core.menus.advanced_menu import AdvancedMenu
 from core.menus.backup_menu import BackupMenu
 from core.menus.base_menu import BaseMenu
-from core.menus.extensions_menu import ExtensionsMenu
+from extensions.extensions_menu import ExtensionsMenu
 from core.menus.install_menu import InstallMenu
 from core.menus.remove_menu import RemoveMenu
 from core.menus.settings_menu import SettingsMenu

kiauh/extensions/__init__.py

@@ -0,0 +1,12 @@
+# ======================================================================= #
+#  Copyright (C) 2020 - 2024 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+
+from pathlib import Path
+
+EXTENSION_ROOT = Path(__file__).resolve().parents[1].joinpath("extensions")

kiauh/extensions/base_extension.py

@@ -19,12 +19,11 @@ class BaseExtension(ABC):
 
     @abstractmethod
     def install_extension(self, **kwargs) -> None:
-        raise NotImplementedError(
-            "Subclasses must implement the install_extension method"
-        )
+        raise NotImplementedError
+
+    def update_extension(self, **kwargs) -> None:
+        raise NotImplementedError
 
     @abstractmethod
     def remove_extension(self, **kwargs) -> None:
-        raise NotImplementedError(
-            "Subclasses must implement the remove_extension method"
-        )
+        raise NotImplementedError

kiauh/extensions/extensions_menu.py

@@ -14,7 +14,8 @@ import textwrap
 from pathlib import Path
 from typing import Type, Dict
 
-from core.base_extension import BaseExtension
+from extensions import EXTENSION_ROOT
+from extensions.base_extension import BaseExtension
 from core.menus.base_menu import BaseMenu
 from utils.constants import RESET_FORMAT, COLOR_CYAN, COLOR_YELLOW
 
@@ -31,9 +32,8 @@ class ExtensionsMenu(BaseMenu):
 
     def discover_extensions(self) -> Dict[str, BaseExtension]:
         ext_dict = {}
-        extensions_dir = Path(__file__).resolve().parents[2].joinpath("extensions")
 
-        for ext in extensions_dir.iterdir():
+        for ext in EXTENSION_ROOT.iterdir():
             metadata_json = Path(ext).joinpath("metadata.json")
             if not metadata_json.exists():
                 continue
@@ -95,16 +95,18 @@ class ExtensionSubmenu(BaseMenu):
     def __init__(self, previous_menu: BaseMenu, extension: BaseExtension):
         super().__init__()
 
-        self.previous_menu = previous_menu
-        self.options = {
-            "1": extension.install_extension,
-            "2": extension.remove_extension,
-        }
-
         self.extension = extension
         self.extension_name = extension.metadata.get("display_name")
         self.extension_desc = extension.metadata.get("description")
 
+        self.previous_menu = previous_menu
+        self.options["1"] = extension.install_extension
+        if self.extension.metadata.get("updates"):
+            self.options["2"] = extension.update_extension
+            self.options["3"] = extension.remove_extension
+        else:
+            self.options["2"] = extension.remove_extension
+
     def print_menu(self) -> None:
         header = f" [ {self.extension_name} ] "
         color = COLOR_YELLOW
@@ -127,7 +129,13 @@ class ExtensionSubmenu(BaseMenu):
             """
             |-------------------------------------------------------|
             | 1) Install                                            |
-            | 2) Remove                                             |
             """
         )[1:]
+
+        if self.extension.metadata.get("updates"):
+            menu += "| 2) Update                                             |\n"
+            menu += "| 3) Remove                                             |\n"
+        else:
+            menu += "| 2) Remove                                             |\n"
+
         print(menu, end="")

kiauh/extensions/gcode_shell_cmd/gcode_shell_cmd_extension.py

@@ -13,7 +13,7 @@ from typing import List
 
 from components.klipper.klipper import Klipper
 from core.backup_manager.backup_manager import BackupManager
-from core.base_extension import BaseExtension
+from extensions.base_extension import BaseExtension
 from core.config_manager.config_manager import ConfigManager
 from core.instance_manager.instance_manager import InstanceManager
 from extensions.gcode_shell_cmd import (

kiauh/extensions/mainsail_theme_installer/mainsail_theme_installer_extension.py

@@ -19,7 +19,7 @@ from components.klipper.klipper_dialogs import (
     print_instance_overview,
     DisplayType,
 )
-from core.base_extension import BaseExtension
+from extensions.base_extension import BaseExtension
 from core.instance_manager.base_instance import BaseInstance
 from core.instance_manager.instance_manager import InstanceManager
 from core.menus.base_menu import BaseMenu