Я создал программу Tkinter, но ничего не появляется! Если я добавлю root = tk.Tk() в начале __init__(), виджет не появится!
import Tkinter as tk
class Interface(tk.Frame):
def __init__(self, userKey, root):
self.userKey = userKey
tk.Frame.__init__(self, root)
self.frame = tk.Frame(root)
btn_users = tk.Button(self.frame, text='Users', command=self.users)
btn_fullChain = tk.Button(self.frame, text='Chain', command=self.full_chain)
btn_newTransaction = tk.Button(self.frame, text='New Transaction', command=self.Transaction)
btn_users.pack()
btn_fullChain.pack()
btn_newTransaction.pack()
def mine(self):
mining = tk.Label(self.frame, text='Mining the current block, please wait')
mining.pack()
mine()
completedMining = tk.Label(self.frame, text='Completed the mining process')
mining.pack_forget()
completedMining.pack()
time.sleep(3)
completedMining.pack_forget()
def users(self):
for widget in self.frame.winfo_children():
widget.destroy()
users = tk.Label(self.frame, text=blockchain.users)
users.pack()
def full_chain():
for widget in self.frame.winfo_children():
widget.destroy()
entireChain = tk.Label(self.frame, text=blockchain.chain)
entireChain.pack()
def Transaction(self, sender, recipient, amount, signature):
self.dataTransactions = {'sender': sender, 'recipient': recipient, 'signature': signature, 'amount': amount}
new_transaction(self.dataTransactions)
def new_transactions(self):
for widget in self.frame.winfo_children():
widget.destroy()
backBTN = tk.Button(self.frame, text='Back', command=self.main)
Recipient_Them = tk.Label(self.frame, text='Recipient')
Recipient_Them.pack()
Recipient = tk.Text()
Recipient.pack()
AmountData = tk.Label(self.frame, text='Amount')
AmountData.pack()
Amount = tk.Text()
Amount.pack()
SignatureData = tk.Label(self.frame, text='Signature')
SignatureData.pack()
Signature = tk.Text()
Signature.pack()
self.TransactionRecipient = Recipient.get('1.0', END)
self.TransactionAmount = Amount.get('1.0', END)
self.TransactionSignature = Signature.get('1.0', END)
self.TransactionSender = self.userKey
btn_submit = tk.Button(self.frame, text="Submit", command=self.Transaction(self.TransactionSender, self.TransactionRecipient, self.TransactionAmount, self.TransactionSignature))
btn_submit.grid(row=0, column=0, sticky="nsew")
def main(self):
for widget in self.frame.winfo_children():
widget.destroy()
btn_users = tk.Button(self.frame, text='Users', command=self.users)
btn_fullChain = tk.Button(self.frame, text='Chain', command=self.full_chain)
btn_newTransaction = tk.Button(self.frame, text='New Transaction', command=self.Transaction)
btn_users.pack()
btn_fullChain.pack()
btn_newTransaction.pack()
if __name__ == '__main__':
from argparse import ArgumentParser
root = tk.Tk()
parser = ArgumentParser()
parser.add_argument('-key', '--nodeKey', default="0", type=str, help='key for this node')
args = parser.parse_args()
node_public_key = args.nodeKey
if node_public_key == "0":
raise ValueError("You must specify a node key!")
UI = Interface(node_public_key, root)
UI.pack()
root.mainloop()