File indexing completed on 2024-04-21 05:32:40
0001 # SPDX-License-Identifier: GPL-3.0-or-later 0002 # SPDX-FileCopyrightText: 2021 Anupam Basak <anupam.basak27@gmail.com> 0003 0004 import importlib 0005 import sys 0006 0007 from PySide2.QtCore import QUrl, Slot, QObject, Signal, Property 0008 0009 from PicoWizard.utils.config import Config 0010 from PicoWizard.utils.logger import Logger 0011 0012 0013 class ModuleLoader(QObject): 0014 __modules = [] 0015 _currentModuleIndex = 0 0016 0017 log = Logger.getLogger(__name__) 0018 0019 def __init__(self, parent=None): 0020 super().__init__(parent) 0021 ModuleLoader.log.info('Initializing ModuleLoader') 0022 0023 @staticmethod 0024 def registerModuleTypes(): 0025 modules = Config.getModules() 0026 modules.insert(0, "Welcome") 0027 modules.append("Finish") 0028 0029 sys.path.insert(1, '/etc') 0030 0031 importedModules = importlib.import_module('PicoWizard.modules') 0032 0033 try: 0034 importedCustomModules = importlib.import_module('pico-wizard.custom-modules') 0035 except ModuleNotFoundError: 0036 pass 0037 0038 for moduleName in modules: 0039 if hasattr(importedModules, moduleName): 0040 ModuleLoader.log.info(f'Importing module {moduleName}') 0041 0042 cls = getattr(importedModules, moduleName) 0043 ModuleLoader.__modules.append(cls) 0044 cls.registerTypes() 0045 elif hasattr(importedCustomModules, moduleName): 0046 ModuleLoader.log.info(f'Importing module {moduleName}') 0047 0048 cls = getattr(importedCustomModules, moduleName) 0049 ModuleLoader.__modules.append(cls) 0050 cls.registerTypes() 0051 else: 0052 ModuleLoader.log.error(f"ERROR : Unknown module {moduleName}") 0053 ModuleLoader.log.error("Exiting...") 0054 sys.exit(1) 0055 0056 @Slot(None, result=QUrl) 0057 def welcomeModule(self): 0058 return self.__modules[0].qmlPath() 0059 0060 @Slot(None, result=None) 0061 def nextModule(self): 0062 if self._hasNext(): 0063 self._currentModuleIndex = self._currentModuleIndex + 1 0064 self.loadModule.emit(self.__modules[self._currentModuleIndex].qmlPath()) 0065 0066 self.hasPreviousChanged.emit() 0067 self.hasNextChanged.emit() 0068 0069 @Slot(None, result=None) 0070 def previousModule(self): 0071 if self._hasPrevious(): 0072 self._currentModuleIndex = self._currentModuleIndex - 1 0073 0074 self.hasPreviousChanged.emit() 0075 self.hasNextChanged.emit() 0076 0077 def _hasPrevious(self): 0078 return self._currentModuleIndex > 0 0079 0080 def _hasNext(self): 0081 return self._currentModuleIndex < len(self.__modules) - 1 0082 0083 @Signal 0084 def hasNextChanged(self): 0085 pass 0086 0087 @Signal 0088 def hasPreviousChanged(self): 0089 pass 0090 0091 hasPrevious = Property(bool, _hasPrevious, notify=hasPreviousChanged) 0092 hasNext = Property(bool, _hasNext, notify=hasNextChanged) 0093 0094 loadModule = Signal(QUrl)