75 lines
3.6 KiB
Python
75 lines
3.6 KiB
Python
import os, sys, json
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#TODO: port to QT once that little mainloop issue has been resolved...
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import tkinter as tk
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from tkinter import ttk
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import util
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class Config:
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def __init__(self, file_path, default_config):
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self.__file_path = file_path
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self.__default_config = default_config
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self.__current_config = {}
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if os.path.isfile(file_path):
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try:
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config_file = open(self.__file_path, "r")
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self.__current_config = json.loads(config_file.read())
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config_file.close()
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except:
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util.error("An exception occurred while trying to load the configuration.", handle_gracefully=False)
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else:
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# config not found
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dialog_communication = util.Communication()
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dialog = tk.Tk()
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dialog.title("No configuration found")
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ttk.Label(dialog, text="No configuration found!").pack()
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buttons_frame = tk.Frame(dialog)
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buttons_frame.pack()
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ttk.Button(buttons_frame, text="Create", command=lambda: dialog_communication.send("create", True, additional_action=dialog.destroy)).grid(column=0, row=0)
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ttk.Button(buttons_frame, text="Quit", command=lambda: dialog_communication.send("create", False, additional_action=dialog.destroy)).grid(column=1, row=0)
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dialog.resizable(0,0)
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dialog.mainloop()
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if dialog_communication.get("create"):
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self.__current_config = default_config
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try:
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config_file = open(self.__file_path, "w")
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config_file.write(json.dumps(self.__current_config))
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config_file.close()
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except:
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util.warn("Failed to save initial config file.", is_exception=True)
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dialog = tk.Tk()
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dialog.title("Failed to save initial config file")
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ttk.Label(dialog, text="Failed to save the initial config file.\n" +
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"The IDE can still run, but it is likely that all changes to the configuration will be lost where they would be saved otherwise.").pack()
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ttk.Button(dialog, text="Continue", command=dialog.destroy).pack()
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dialog.resizable(0,0)
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dialog.mainloop()
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else:
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util.error("No config present and user chose not to create one. Exiting.", is_exception=False, handle_gracefully=True)
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# exit with success exit code anyway because this is not a program failure
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sys.exit(util.EXIT_SUCCESS)
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def get_configuration_value(self, key):
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if not key in self.__current_config:
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util.info("Requested configuration value for "+str(key)+" not in configuration. Loading from default configuration.")
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try:
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self.__current_config[key] = self.__default_config[key]
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except KeyError:
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util.error("Requested an invalid configuration key.")
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return None
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return self.__current_config[key]
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def set_configuration_value(self, key, value, save_to_disk=True):
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if not key in self.__current_config:
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util.info("Writing configuration for previously unknown key "+str(key)+".")
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self.__current_config[key]=value
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if save_to_disk:
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try:
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config_file = open(self.__file_path, "w")
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config_file.write(json.dumps(self.__current_config))
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config_file.close()
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except:
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util.error("Failed to save config file.")
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