無法使用TkinterGUI在執行緒中執行代碼

這是它應該掃描和列舉目錄并對它找到的任何檔案進行散列并將它們附加到字典的代碼所有代碼都單獨作業但我無法在執行緒代碼中觸發散列部分沒有錯誤

 import threading
 import tkinter as tk
 import tkinter.ttk as ttk
 import hashlib
 import glob


 class global_variables:
     def __init__(self):
         pass
     DirSelected = '' 
     Manifest = []

 class App(tk.Tk):
     def __init__(self):
         super().__init__()
         self.title("Progress bar example")
         self.button = tk.Button(self, text="Start", command=self.start_action)
         self.button.pack(padx=10, pady=10)

     def start_action(self):
         self.button.config(state=tk.DISABLED)

         t = threading.Thread(target=self.contar)
         t.start()

         self.windows_bar = WinProgressBar(self)

     def contar(self):

         directories_scanned = [str, 'File,Md5!']  # , separator value ! delineator adds new line
         target_dir = '/Users/kyle/PycharmProjects/' # this wont run 
         files = glob.glob(target_dir   '/**/*.*', recursive=True)  # Line adds search criteria aka find all all to the
         # directory for GLOB
         for file in files:
             with open(file, "rb") as f:
                 file_hash = hashlib.md5()
                 while chunk := f.read(8192):
                     file_hash.update(chunk)
                 directories_scanned.append(
                     file   ','   str(file_hash.hexdigest()   '!'))  # Appends the file path and Md5
          global_variables.Manifest = directories_scanned

          for x in range(len(global_variables.DirSelected)):  # testing to view files TODO REMOVE this
             print(global_variables.DirSelected[x])
    
         for i in range(10): #to here 
             print("Is continuing", i)

         print('stop')

         self.windows_bar.progressbar.stop()
         self.windows_bar.destroy()
         self.button.config(state=tk.NORMAL)


 class WinProgressBar(tk.Toplevel):
     def __init__(self, parent):
         super().__init__(parent)
         self.title("Progress")
         self.geometry("300x200")
         self.progressbar = ttk.Progressbar(self, mode="indeterminate")
         self.progressbar.place(x=30, y=60, width=200)
         self.progressbar.start(20)


 if __name__ == "__main__":
     global_variables()
     app = App()
     app.mainloop()
     print("Code after loop")
     for x in range(len(global_variables.DirSelected)):  # testing to view files TODO REMOVE this
          print(global_variables.DirSelected[x])

這次代碼將運行，不會顯示任何錯誤

uj5u.com熱心網友回復：

這對我來說可以。我認為您只是檢查了錯誤的變數DirSelected，而該變數實際上是一個空字串。（見我的代碼）

另外，我移動了你的，WinProgressBar以便在執行緒執行時它可用。（對此有例外）。

import threading
import tkinter as tk
import tkinter.ttk as ttk
import hashlib
import glob


class global_variables:
    def __init__(self):
        pass
    DirSelected = '' 
    Manifest = []

class App(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("Progress bar example")
        self.button = tk.Button(self, text="Start", command=self.start_action)
        self.button.pack(padx=10, pady=10)

    def start_action(self):
        self.button.config(state=tk.DISABLED)
        self.windows_bar = WinProgressBar(self)

        t = threading.Thread(target=self.contar)
        t.start()

    def contar(self):

        directories_scanned = [str, 'File,Md5!']  # , separator value ! delineator adds new line
        target_dir = '/home/jsantos/workspace/blog.santos.cloud/' # this wont run 
        files = glob.glob(target_dir   '/**/*.*', recursive=True)  # Line adds search criteria aka find all all to the
        # directory for GLOB
        for file in files:
            with open(file, "rb") as f:
                file_hash = hashlib.md5()
                while chunk := f.read(8192):
                    file_hash.update(chunk)
                directories_scanned.append(
                    file   ','   str(file_hash.hexdigest()   '!'))  # Appends the file path and Md5
        global_variables.Manifest = directories_scanned

        for x in range(len(global_variables.Manifest)):  # testing to view files TODO REMOVE this
            print(global_variables.Manifest[x])
   
        for i in range(10): #to here 
            print("Is continuing", i)

        print('stop')

        self.windows_bar.progressbar.stop()
        self.windows_bar.destroy()
        self.button.config(state=tk.NORMAL)

class WinProgressBar(tk.Toplevel):
    def __init__(self, parent):
        super().__init__(parent)
        self.title("Progress")
        self.geometry("300x200")
        self.progressbar = ttk.Progressbar(self, mode="indeterminate")
        self.progressbar.place(x=30, y=60, width=200)
        self.progressbar.start(20)


if __name__ == "__main__":
    global_variables()
    app = App()
    app.mainloop()
    print("Code after loop")
    for x in range(len(global_variables.Manifest)):  # testing to view files TODO REMOVE this
        print(global_variables.Manifest[x])

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