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私のコードに）はAttributeErrorを取得：（IntVarを割り当てるしようとしたとき、変数
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on Sun Jan 22 14:47:36 2017
@author: Jose Chong
"""
import json
try:
import tkinter as tk
except ImportError:
import Tkinter as tk
import os
import pymsgbox
filepath = os.path.expanduser(r'~\Documents\joseDzirehChongToDoList\toDoListSaveFile.json')
checkboxList = []
def checkSaveFile():
def checkExistenceOfSaveFile():
if not os.path.isdir(os.path.expanduser(r'~\Documents\joseDzirehChongToDoList')):
os.makedirs(os.path.expanduser(r'~\Documents\joseDzirehChongToDoList'), 777)
if not os.path.isfile(filepath):
open(filepath, 'w')
open(filepath).close()
def checkIfSaveFileIsEmpty():
global checkboxList
if os.path.getsize(filepath) == 0:
with open (filepath, 'w') as outfile:
json.dump(checkboxList, outfile)
with open(filepath) as infile:
checkboxList = json.load(infile)
checkExistenceOfSaveFile()
checkIfSaveFileIsEmpty()
try:
open(filepath, 'w')
open(filepath).close()
except (IOError, ValueError):
pymsgbox.alert("""You're not supposed to see this message ever. If you do, that means your save file is either missing or corrupted, and my methods of stopping that have failed. Please email me at '[email protected]' with a copy of your save file so I can tell what went wrong.
Click the button below to exit, the red button in the corner doesn't work.""", 'Broken Save File')
checkSaveFile()
var = tk.IntVar()
def loadToJSON():
with open(filepath, 'w') as outfile:
json.dump(checkboxList, outfile)
class CheckboxRow(tk.Frame):
def __init__(self, master, text):
self.text = text
tk.Frame.__init__(self, master)
checkbox = tk.Checkbutton(self, text=text, variable=var)
checkbox.pack(side=tk.LEFT)
deleteItem = tk.Button(self, text="x", bg="red", fg="white",
activebackground="white", activeforeground="red",
command=self.destroyCheckbox)
deleteItem.pack(side=tk.RIGHT)
newItem = [self.text, var.get()]
self.master.master.checkboxList.append(newItem)
loadToJSON()
def destroyCheckbox(self, text):
self.text = text
newItem = [self.text, var.get()]
self.master.master.checkboxList.remove(newItem)
self.destroy()
loadToJSON()
class CheckboxArea(tk.Frame):
def add(self, name):
row = CheckboxRow(self, name)
row.pack(fill=tk.X)
class InputStuff(tk.Frame):
def __init__(self, master=None, **kwargs):
tk.Frame.__init__(self, master, **kwargs)
prompt = tk.Label(self, text="What do you want your checkbox to be for?")
prompt.pack()
bottomInput = tk.Frame(self)
self.entry = tk.Entry(bottomInput, bd=3)
self.entry.pack(side=tk.LEFT)
buttonConfirm = tk.Button(bottomInput, text="Confirm", command=self.drawCheckbox)
buttonConfirm.pack(side=tk.LEFT)
bottomInput.pack()
buttonDone = tk.Button(self, text = "Close Input", command=master.hideInputStuff)
buttonDone.pack()
def drawCheckbox(self, event=None):
self.master.add(self.entry.get())
self.entry.delete(0, tk.END)
class MainWindow(tk.Frame):
def __init__(self, master=None, **kwargs):
tk.Frame.__init__(self, master, **kwargs)
self.checkboxList = []
self.checkboxArea = CheckboxArea(self)
self.checkboxArea.pack(fill=tk.X)
self.inputStuff = InputStuff(self)
self.addButton = tk.Button(self, text="Add Item", command=self.showInputStuff)
self.hideInputStuff() # start with "add" button active
self.load()
def load(self):
for savedCheckbox in checkboxList:
checkboxRow = tk.Frame(checkboxArea)
checkboxRow.pack(fill=tk.X)
checkbox1 = tk.Checkbutton(checkboxRow, text=savedCheckbox[0], variable=var)
checkbox1.pack(side=tk.LEFT)
deleteItem = tk.Button(checkboxRow, text="x", bg="red", fg="white",
activebackground="white", activeforeground="red",
command=lambda c=savedCheckbox, r=checkboxRow: destroyCheckbox(c, r))
deleteItem.pack(side=tk.RIGHT)
loadToJSON()
def add(self, name):
self.checkbox_area.add(name)
self.checkboxList.append(name)
def showInputStuff(self):
self.addButton.pack_forget()
self.input_stuff.pack()
self.input_stuff.entry.focus()
self.master.bind('<Return>', self.input_stuff.drawCheckbox)
def hideInputStuff(self):
self.inputStuff.pack_forget()
self.addButton.pack()
self.master.unbind('<Return>')
def main():
master = tk.Tk()
master.title("To-Do List (with saving!)")
master.geometry("300x300")
win = MainWindow(master)
win.pack(fill=tk.X)
master.mainloop()
if __name__ == "__main__":
main()
それは私が知っている、恐ろしく壊れたのです。私は他のもののどれかで助けを必要としません、ただAttributeErrorです。
全エラー：
runfile('C:/Users/Josalina/Desktop/Coding/Language - Python/to-do-list-to-compile/toDoListToCompile.py', wdir='C:/Users/Josalina/Desktop/Coding/Language - Python/to-do-list-to-compile')
Traceback (most recent call last):
File "<ipython-input-78-a1f8f63a42cc>", line 1, in <module>
runfile('C:/Users/Josalina/Desktop/Coding/Language - Python/to-do-list-to-compile/toDoListToCompile.py', wdir='C:/Users/Josalina/Desktop/Coding/Language - Python/to-do-list-to-compile')
File "C:\Users\Josalina\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py", line 866, in runfile
execfile(filename, namespace)
File "C:\Users\Josalina\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py", line 102, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)
File "C:/Users/Josalina/Desktop/Coding/Language - Python/to-do-list-to-compile/toDoListToCompile.py", line 51, in <module>
var = tk.IntVar()
File "C:\Users\Josalina\Anaconda3\lib\tkinter\__init__.py", line 351, in __init__
Variable.__init__(self, master, value, name)
File "C:\Users\Josalina\Anaconda3\lib\tkinter\__init__.py", line 233, in __init__
self._root = master._root()
AttributeError: 'NoneType' object has no attribute '_root'
私はこれが何を意味するのか見当がつかない。 IntVar（）はTkinterの標準の一部ですか？なぜそれはエラーを起こすのですか？どうすれば修正できますか？また、このエラーを修正してもプログラムは実行されません。次のエラーに進むことができます。前もって感謝します！