所以我有两个python文件,每个文件包含两个tkinter窗口。一个是根Tk实例,另一个是顶层Tk实例。我试图从根实例中获取顶层实例中的两个字符串变量,名为自我任务时间,和自我任务分钟数在根实例中,一旦顶层实例被打开。我不太确定我是否正确地将实例传递到顶层。有人能帮忙吗?在
这是第一个文件,名为“时间x.py“:
import tkinter as tk
from tkinter import ttk
class TimeX(tk.Frame):
def __init__(self,master):
# INIT WINDOW
import datetime
tk.Frame.__init__(self,master=master)
self.pack()
self.master.title("TimeX") # Add title to main window
# TOP MENU #
self.master.menu = tk.Menu(master)
# TOP MENU # FILE MENU #
self.master.filemenu = tk.Menu(self.master.menu)
self.master.menu.add_cascade(label="File",menu=self.master.filemenu)
self.master.menu.add_command(label="New File",command=self.new_file)
self.frames = [
tk.Frame(self), # TASKITEM
tk.Frame(self), # TIME INPUT
tk.Frame(self), # INIT BUTTON
# tk.Frame(self), # SHOWS 00:00:00 until INIT BUTTON PRESSED
]
# START FRAME 0
frame = self.frames[0]
self.taskitem = tk.StringVar(self,"TaskItem") # Entry
# self.taskplan = tk.StringVar(self) # Listbox
# self.taskdesc = tk.StringVar(self) # Textbox
frame.entries = [
tk.Entry(frame,textvariable=self.taskitem),
]
for i,entry in enumerate(frame.entries):
entry.grid(row=0,column=i)
frame = self.frames[1]
# THE REAL
# self.taskhours = tk.StringVar(self,"Hours")
# self.taskminutes = tk.StringVar(self,"Minutes")
# THE FOO
self.taskhours = tk.StringVar(self,"1")
self.taskminutes = tk.StringVar(self,"30")
frame.labels = [
tk.Label(frame,text="Estimated Duration")
]
frame.entries = [
tk.Entry(frame,textvariable=self.taskhours),
tk.Entry(frame,textvariable=self.taskminutes)
]
# frame.menubuttons = [
# tk.Menubutton(frame,text="Hour(s)",textvariable=self.taskhours),
# tk.Menubutton(frame,text="Minute(s)",textvariable=self.taskminutes)
# ]
# self.tasktime = [int(self.taskhours.get()),int(self.taskminutes.get())]
# frame.items = frame.labels + frame.menubuttons
frame.items = frame.labels + frame.entries
for i,item in enumerate(frame.items):
item.grid(row=0,column=i)
frame = self.frames[2]
frame.buttons = [
tk.Button(frame,text="Start Task",command=self.start_timer).pack()
]
# for i,button in enumerate(frame.buttons):
# button.grid(row=0,column=i)
for frame in self.frames:
for child in frame.winfo_children():
child.grid_configure(padx=5,pady=5)
frame.pack(padx=10,pady=10,anchor="w")
def start_timer(self):
import timer
timer.run()
def new_file(self):
# import new_file
# new_file.run()
pass
def run():
root = tk.Tk()
app = TimeX(root)
app.mainloop()
run()
这是第二个文件,名为“定时器.py“:
^{pr2}$当我按下“开始任务”按钮打开第二个窗口时,错误是
“AttributeError:'Window'对象没有属性'taskhours'”
这显然是一个将根对象正确传递给顶层对象的问题,但我不确定具体的实现方式!提前感谢您的帮助!在
为了让它正常工作,我只打算将变量存储在一个文件中,但这似乎不是最好的方法,所以我想我应该看看interwebz对此事的看法。在
请在此处查看依赖循环的导入:
https://stackabuse.com/python-circular-imports/
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