问题描述
我正在尝试制作一个 Tkinter 程序,该程序将在用户输入用户名和密码后使用 selenium bot 为用户登录。但是我对 StringVar 和 len() 有问题。我曾尝试将 .get() 传递给密码和用户名,但它只是将 Twitter 登录名和密码字段留空。
这是我的错误:
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Users\blazh\AppData\Local\Programs\Python\python37-32\lib\tkinter\__init__.py",line 1705,in __call__
return self.func(*args)
File "C:/Users/blazh/Documents/Vladyslav/University/Python/Work.py",line 38,in call
alex.login()
File "C:/Users/blazh/Documents/Vladyslav/University/Python/Work.py",line 25,in login
email.send_keys(self.username)
File "C:\Users\blazh\Documents\Vladyslav\python\Projects\arcade-games-work\Python\lib\site-packages\selenium\webdriver\remote\webelement.py",line 478,in send_keys
{'text': "".join(keys_to_typing(value)),File "C:\Users\blazh\Documents\Vladyslav\python\Projects\arcade-games-work\Python\lib\site-packages\selenium\webdriver\common\utils.py",line 150,in keys_to_typing
for i in range(len(val)):
TypeError: object of type 'StringVar' has no len()
import os
from tkinter import *
from selenium import webdriver
from selenium.webdriver.common import keys
import time
# ============ TWITTER ===========
class TwitterBot:
def __init__(self,username,password):
self.username = username
self.password = password
self.bot = webdriver.Firefox()
def login(self):
bot = self.bot
bot.get('https://twitter.com/login')
time.sleep(5)
email = bot.find_element_by_name('session[username_or_email]')
password = bot.find_element_by_name('session[password]')
email.clear()
password.clear()
email.send_keys(self.username)
password.send_keys(self.password)
password.send_keys(keys.Keys.RETURN)
time.sleep(3)
def logout(self):
bot = self.bot
time.sleep(3)
bot.get('https://twitter.com/logout')
def call():
alex = TwitterBot(us_verify,ps_verify)
alex.login()
# ============ TWITTER ===========
# Creating a register window
def register():
# Globalising the function/ window
global register_screen
# Defining the window
register_screen = Toplevel(main_screen)
register_screen.title("Registration Window")
register_screen.geometry("500x250")
# Globalising the following
global username
global password
global username_entry
global password_entry
# Creating a StringVar
username = StringVar()
password = StringVar()
email = StringVar()
# Creating labels and packing the
Label(register_screen,text="Please enter details below",bg="lightyellow").pack()
Label(register_screen,text="").pack()
username_label = Label(register_screen,text="Username:")
username_label.pack()
username_label.place(x=120,y=40)
email_label = Label(register_screen,text="Email:")
email_label.pack()
email_label.place(x=120,y=95)
# Creating Entry Boxes
username_entry = Entry(register_screen,textvariable=username)
username_entry.pack(pady=5)
# Creating labels and packing them
password_label = Label(register_screen,text="Password:")
password_label.pack()
password_label.place(x=120,y=70)
# Creating Entry Box
password_entry = Entry(register_screen,textvariable=password,show='*')
password_entry.pack()
# Creating Entry Box
email_entry = Entry(register_screen,textvariable=email)
email_entry.pack(pady=5)
# Creating labels and packing them
Label(register_screen,text="").pack()
Button(register_screen,text="Register",width=10,height=1,bg="lightgreen",command=register_user).pack()
# Creating a login window
def login():
# Globalising it
global login_screen
# Defining the window
login_screen = Toplevel(main_screen)
login_screen.title("Login Window")
login_screen.geometry("500x250")
# Creating a main label
Label(login_screen,text="Please enter details below to continue").pack()
Label(login_screen,text="").pack()
# Globalising the following
global username_verify
global password_verify
# Creating StringVar for the following
username_verify = StringVar()
password_verify = StringVar()
# Globalising the following
global username_login_entry
global password_login_entry
# Creating a label and packing it
login_username = Label(login_screen,text="Username: ")
login_username.pack()
login_username.place(x=120,y=40)
# Creating an Entry Box for the following
username_login_entry = Entry(login_screen,textvariable=username_verify)
username_login_entry.pack()
# Creating a label and packing it
Label(login_screen,text="").pack()
login_password = Label(login_screen,text="Password: ")
login_password.pack()
login_password.place(x=120,y=80)
# Creating an Entry Box for the following
password_login_entry = Entry(login_screen,textvariable=password_verify,show='*')
password_login_entry.pack()
# Creating a label and packing it
Label(login_screen,text="").pack()
Button(login_screen,text="Login",command=login_verify).pack()
# Creating a register user function
def register_user():
# Specifying what data to get and store in the following
username_info = username.get()
password_info = password.get()
# Specifying what we are doing with the file and what mode
file = open(username_info,"w")
file.write(username_info + "\n")
file.write(password_info)
# Closing the file
file.close()
# Cleaning fields
username_entry.delete(0,END)
password_entry.delete(0,END)
# Showing a success registration message
Label(register_screen,text="Registration Completed",fg="green",font=("calibri",10)).pack()
# Creating a login verify function
def login_verify():
# Specifying what data to get and store in the following
username1 = username_verify.get()
password1 = password_verify.get()
# Cleaning fields
username_login_entry.delete(0,END)
password_login_entry.delete(0,END)
# Working with os module
list_of_files = os.listdir()
# Calling a login_success function if username in list_of_files otherwise password not
recognised
# and calling user not found function
if username1 in list_of_files:
file1 = open(username1,"r")
verify = file1.read().splitlines()
if password1 in verify:
login_sucess()
else:
password_not_recognised()
else:
user_not_found()
# Creating a login success window
def login_sucess():
# Globalising it
global login_success_screen
# Defining the following
login_success_screen = Toplevel(login_screen)
login_success_screen.title("New Page")
login_success_screen.geometry("450x250")
login_success_screen.configure(bg="lightblue")
# Creating a label
menu_button = Label(login_success_screen,text="Menu: ")
menu_button.pack()
menu_button.place(x=55,y=5)
weather_button = Button(login_success_screen,text="Twitter Login",command=twitter_details,height="1",width="15")
weather_button.pack()
weather_button.place(x=20,y=25)
# Creating a password not recognised window
def password_not_recognised():
# Globalising it
global password_not_recog_screen
# Defining the following parameters
password_not_recog_screen = Toplevel(login_screen)
password_not_recog_screen.title("Success")
password_not_recog_screen.geometry("150x100")
# Creating a label and a button
Label(password_not_recog_screen,text="Invalid Password ").pack()
Button(password_not_recog_screen,text="OK",command=delete_password_not_recognised).pack()
# Creating a user not found function
def user_not_found():
# Globalising it
global user_not_found_screen
# Defining the following parameters
user_not_found_screen = Toplevel(login_screen)
user_not_found_screen.title("Success")
user_not_found_screen.geometry("150x100")
# Creating a label and a button
Label(user_not_found_screen,text="User Not Found").pack()
Button(user_not_found_screen,command=delete_user_not_found_screen).pack()
# Creating a delete password not recognised and destroying the window specified
def delete_password_not_recognised():
password_not_recog_screen.destroy()
# Creating a delete user not found screen and destroying the window specified
def delete_user_not_found_screen():
user_not_found_screen.destroy()
# Creating a main page window
def main_account_screen():
# Globalising it
global main_screen
# Defining the following parameters
main_screen = Tk()
main_screen.geometry("450x200")
main_screen.title("Login/ Register")
# Creating labels and buttons
Label(text="Select Your Choice",width="300",font=("Calibri",12)).pack()
Label(text="").pack()
Button(text="Login",width="20",command=login).pack()
Label(text="").pack()
Button(text="Register",bg="lightyellow",command=register).pack()
picture = PhotoImage(file="main picture.png")
photo_label = Label(main_screen,image=picture,height="75",width="75")
photo_label.pack()
photo_label.place(x=30,y=45)
# Calling a function
main_screen.mainloop()
def twitter_details():
global twitter
twitter = Tk()
twitter.geometry("450x200")
twitter.title("Login Twitter Page")
twitter.configure(bg="lightblue")
global ps_verify
global us_verify
global tw_u_log
global tw_p_log
ps_verify = StringVar()
us_verify = StringVar()
username_label = Label(twitter,text="Username:")
username_label.pack()
tw_u_log = Entry(twitter,textvariable=us_verify)
tw_u_log.pack()
password_label = Label(twitter,text="Password")
password_label.pack()
tw_p_log = Entry(twitter,textvariable=ps_verify,show='*')
tw_p_log.pack()
tweeter_button = Button(twitter,command=call)
tweeter_button.pack()
twitter.mainloop()
# Keeping the window open
main_account_screen()
解决方法
在调用 StringVar()
之前,您需要获取变量的文本,因此使用 len(variable.get())
。