但是我正在尝试为我的脚本制作GUI,当我单击bt_send时,我启动了一个线程(thread_enviar),该线程也启动了其他线程(core),问题是thread_enviar一直在运行,因此当出现此错误时我尝试再次单击bt_send：
File “/anaconda3/envs/tensor/lib/python3.6/threading.py”, line 842, in start
raise RuntimeError(“threads can only be started once”)
RuntimeError: threads can only be started once
我的代码：
import tkinter as tk
from tkinter import filedialog
import pandas as pd
from tkinter import messagebox
from tkinter import ttk
import threading
import rnn10forecasting as rnn10f
filepath = “”
model = “”
”’def change_menu(selection):
global model
selected = selection
print(selected)
model = selected”’
def click():
global filepath
print(“click”)
filepath = filedialog.askopenfilename(initialdir = “/”,title = “Select file”,filetypes = ((“data files”,”*.csv”),(“all files”,”*.*”)))
print(filepath)
label_filepath.config(text = filepath)
def enviar():
print(filepath)
try:
data = pd.read_csv(filepath)
except:
messagebox.showerror(“Error”, “Archivo .csv vacio o formato incompatible”)
if any(data.columns.values != [‘date’,’close’,’volume’,’open’,’high’,’low’]):
messagebox.showerror(“Error”, “El archivo .csv no contiene la estructura requerida: [date,close,volume,open,high,low]”)
elif len(data) < 300:
print(“# registros”)
print(len(data))
messagebox.showerror(“Error”, “El archivo de be contener como minimo 700 registros”)
else:
pg_bar.start(500)
core = threading.Thread(target=rnn10f.forecasting, args=(filepath,))
#core.daemon = True
core.start()
core.join()
print(“VIVO?”)
print(core.isAlive())
pg_bar.stop()
return print(thread_enviar.is_alive())
thread_enviar = threading.Thread(target=enviar, args=())
window = tk.Tk()
window.resizable(width=False, height=False)
window.title(“LSTM Module”)
window.geometry(“600×150”)
title = tk.Label(text=”StockForecaster”, font=(“Times New Roman”, 30))
title.place(relx=0.1, rely=0.05, relwidth=0.8, relheight=0.25)
bt_select = tk.Button(text=”Select File”, bg=”blue”, command= click)
bt_select.place(relx=0.7, rely=0.4, relwidth=0.25, relheight=0.2)
label_filepath = tk.Label(text=”Please select a .csv File”)
label_filepath.place(relx=0, rely=0.4, relwidth=0.7, relheight=0.15)
options = tk.StringVar()
bt_send = tk.Button(text=”Send”, bg=”blue”, command=thread_enviar.start)
bt_send.place(relx=0.70, rely=0.7, relwidth=0.25, relheight=0.20)
pg_bar = ttk.Progressbar(window, orient= tk.HORIZONTAL, mode=”indeterminate”, )
pg_bar.place(relx=0.10, rely=0.75, relwidth=0.55, relheight=0.05)
window.mainloop()
我不知道是否有任何方法可以杀死该线程,或者我做错了什么.