HYTOS

# coding: utf-8

""" This is PluginScope class """

import sys

import os

import sqlite3

import datetime

from enum import Enum

from PIL import PngImagePlugin, JpegImagePlugin

from PIL import Image

from PIL.ImageQt import ImageQt

from SingletonInstance import SingletonInstance

sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), 'Plugins'))

class PluginScope(SingletonInstance):

    def __init__(self):

        self._classes = {}

        self.load_modules()

    def get_module(self, name):

        """return the class which has given name"""

        return self._classes[name] if name in self._classes else None

    def load_modules(self) -> None:

        import os

        import importlib

        from App import App

        try:

            path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'Plugins')

            plugin_files = [f for f in os.listdir(path) if os.path.isfile(os.path.join(path, f)) and

                            (os.path.splitext(f)[1].upper() == '.PY')]

            for f in plugin_files:

                module_name = os.path.splitext(os.path.basename(f))[0]

                module = importlib.import_module(module_name)

                _class = getattr(module, module_name)

                self._classes[module_name] = _class(App.instance())

        except Exception as ex:

            message = 'error occurred({}) in {}:{}'.format(repr(ex), sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            print(message)