feat: add SimplyPrint extension (#566)

* refactor: correctly sort extensions in extension menu

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

* refactor: use different name for printer_data backup dir

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

* refactor: change return type to List for moonraker_exists function

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

* feat: add SimplyPrint extension

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

---------

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

kiauh/core/constants.py

@@ -33,7 +33,7 @@ CURRENT_USER = pwd.getpwuid(os.getuid())[0]
 
 # dirs
 SYSTEMD = Path("/etc/systemd/system")
-PRINTER_CFG_BACKUP_DIR = BACKUP_ROOT_DIR.joinpath("printer-cfg-backups")
+PRINTER_DATA_BACKUP_DIR = BACKUP_ROOT_DIR.joinpath("printer-data-backups")
 NGINX_SITES_AVAILABLE = Path("/etc/nginx/sites-available")
 NGINX_SITES_ENABLED = Path("/etc/nginx/sites-enabled")
 NGINX_CONFD = Path("/etc/nginx/conf.d")

kiauh/extensions/extensions_menu.py

@@ -58,12 +58,16 @@ class ExtensionsMenu(BaseMenu):
                     module_path = f"kiauh.extensions.{ext.name}.{module_name}"
 
                     # get the class name of the extension
-                    ext_class: Type[BaseExtension] = inspect.getmembers(
+                    module = importlib.import_module(module_path)
-                        importlib.import_module(module_path),
+
-                        predicate=lambda o: inspect.isclass(o)
+                    def predicate(o):
-                        and issubclass(o, BaseExtension)
+                        return (
-                        and o != BaseExtension,
+                            inspect.isclass(o)
-                    )[0][1]
+                            and issubclass(o, BaseExtension)
+                            and o != BaseExtension
+                        )
+
+                    ext_class: type = inspect.getmembers(module, predicate)[0][1]
 
                     # instantiate the extension with its metadata and add to dict
                     ext_instance: BaseExtension = ext_class(metadata)
@@ -72,7 +76,7 @@ class ExtensionsMenu(BaseMenu):
             except (IOError, json.JSONDecodeError, ImportError) as e:
                 print(f"Failed loading extension {ext}: {e}")
 
-        return dict(sorted(ext_dict.items()))
+        return dict(sorted(ext_dict.items(), key=lambda x: int(x[0])))
 
     def extension_submenu(self, **kwargs):
         ExtensionSubmenu(kwargs.get("opt_data"), self.__class__).run()

kiauh/extensions/simply_print/metadata.json

@@ -0,0 +1,13 @@
+{
+    "metadata": {
+        "index": 10,
+        "module": "simply_print_extension",
+        "maintained_by": "dw-0",
+        "display_name": "SimplyPrint",
+        "description": [
+            "3D Printer Cloud Management Software.",
+            "\n\n",
+            "3D printing doesn't have to be a complicated, analog, SD card-filled experience; step into the future of modern 3D printing"
+        ]
+    }
+}

kiauh/extensions/simply_print/simply_print_extension.py

@@ -0,0 +1,131 @@
+# ======================================================================= #
+#  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 typing import List
+
+from components.moonraker.moonraker import Moonraker
+from core.instance_manager.instance_manager import InstanceManager
+from core.logger import DialogType, Logger
+from core.submodules.simple_config_parser.src.simple_config_parser.simple_config_parser import (
+    SimpleConfigParser,
+)
+from extensions.base_extension import BaseExtension
+from utils.common import backup_printer_config_dir, moonraker_exists
+from utils.input_utils import get_confirm
+
+
+# noinspection PyMethodMayBeStatic
+class SimplyPrintExtension(BaseExtension):
+    def install_extension(self, **kwargs) -> None:
+        Logger.print_status("Installing SimplyPrint ...")
+
+        if not (mr_instances := moonraker_exists("SimplyPrint Installer")):
+            return
+
+        Logger.print_dialog(
+            DialogType.INFO,
+            self._construct_dialog(mr_instances, True),
+        )
+
+        if not get_confirm(
+            "Continue SimplyPrint installation?",
+            default_choice=True,
+            allow_go_back=True,
+        ):
+            Logger.print_info("Exiting SimplyPrint installation ...")
+            return
+
+        try:
+            self._patch_moonraker_confs(mr_instances, True)
+
+        except Exception as e:
+            Logger.print_error(f"Error during SimplyPrint installation:\n{e}")
+
+    def remove_extension(self, **kwargs) -> None:
+        Logger.print_status("Removing SimplyPrint ...")
+
+        if not (mr_instances := moonraker_exists("SimplyPrint Uninstaller")):
+            return
+
+        Logger.print_dialog(
+            DialogType.INFO,
+            self._construct_dialog(mr_instances, False),
+        )
+
+        if not get_confirm(
+            "Do you really want to uninstall SimplyPrint?",
+            default_choice=True,
+            allow_go_back=True,
+        ):
+            Logger.print_info("Exiting SimplyPrint uninstallation ...")
+            return
+
+        try:
+            self._patch_moonraker_confs(mr_instances, False)
+
+        except Exception as e:
+            Logger.print_error(f"Error during SimplyPrint installation:\n{e}")
+
+    def _construct_dialog(
+        self, mr_instances: List[Moonraker], is_install: bool
+    ) -> List[str]:
+        mr_names = [f"● {m.service_file_path.name}" for m in mr_instances]
+        _type = "install" if is_install else "uninstall"
+
+        return [
+            "The following Moonraker instances were found:",
+            *mr_names,
+            "\n\n",
+            f"The setup will {_type} SimplyPrint for all Moonraker instances. "
+            f"After {_type}ation, all Moonraker services will be restarted!",
+        ]
+
+    def _patch_moonraker_confs(
+        self, mr_instances: List[Moonraker], is_install: bool
+    ) -> None:
+        section = "simplyprint"
+        _type, _ft = ("Adding", "to") if is_install else ("Removing", "from")
+
+        patched_files = []
+        for moonraker in mr_instances:
+            Logger.print_status(
+                f"{_type} section 'simplyprint' {_ft} {moonraker.cfg_file} ..."
+            )
+            scp = SimpleConfigParser()
+            scp.read_file(moonraker.cfg_file)
+
+            install_and_has_section = is_install and scp.has_section(section)
+            uninstall_and_has_no_section = not is_install and not scp.has_section(
+                section
+            )
+
+            if install_and_has_section or uninstall_and_has_no_section:
+                status = "already" if is_install else "does not"
+                Logger.print_info(
+                    f"Section 'simplyprint' {status} exists! Skipping ..."
+                )
+                continue
+
+            if is_install and not scp.has_section("simplyprint"):
+                backup_printer_config_dir()
+                scp.add_section(section)
+            elif not is_install and scp.has_section("simplyprint"):
+                backup_printer_config_dir()
+                scp.remove_section(section)
+            scp.write_file(moonraker.cfg_file)
+            patched_files.append(moonraker.cfg_file)
+
+        if patched_files:
+            InstanceManager.restart_all(mr_instances)
+
+        install_state = "successfully" if patched_files else "was already"
+        Logger.print_dialog(
+            DialogType.SUCCESS,
+            [f"SimplyPrint {install_state} {'' if is_install else 'un'}installed!"],
+            center_content=True,
+        )

kiauh/utils/common.py

@@ -14,10 +14,11 @@ from pathlib import Path
 from typing import Dict, List, Literal, Optional, Set
 
 from components.klipper.klipper import Klipper
+from components.moonraker.moonraker import Moonraker
 from core.constants import (
     COLOR_CYAN,
     GLOBAL_DEPS,
-    PRINTER_CFG_BACKUP_DIR,
+    PRINTER_DATA_BACKUP_DIR,
     RESET_FORMAT,
 )
 from core.logger import DialogType, Logger
@@ -142,23 +143,25 @@ def backup_printer_config_dir() -> None:
     instances: List[Klipper] = get_instances(Klipper)
     bm = BackupManager()
 
+    if not instances:
+        Logger.print_info("Unable to find directory to backup!")
+        Logger.print_info("Are there no Klipper instances installed?")
+        return
+
     for instance in instances:
-        name = f"config-{instance.data_dir.name}"
         bm.backup_directory(
-            name,
+            instance.data_dir.name,
             source=instance.base.cfg_dir,
-            target=PRINTER_CFG_BACKUP_DIR,
+            target=PRINTER_DATA_BACKUP_DIR,
         )
 
 
-def moonraker_exists(name: str = "") -> bool:
+def moonraker_exists(name: str = "") -> List[Moonraker]:
     """
     Helper method to check if a Moonraker instance exists
     :param name: Optional name of an installer where the check is performed
     :return: True if at least one Moonraker instance exists, False otherwise
     """
-    from components.moonraker.moonraker import Moonraker
-
     mr_instances: List[Moonraker] = get_instances(Moonraker)
 
     info = (
@@ -175,8 +178,8 @@ def moonraker_exists(name: str = "") -> bool:
                 f"{info}. Please install Moonraker first!",
             ],
         )
-        return False
+        return []
-    return True
+    return mr_instances
 
 
 def trunc_string(input_str: str, length: int) -> str: