I have a text file parsed like this:
There can over 100+ names in the text file.
Goal: When the program starts up, read in the text file using a thread, and load the data into a combobox. The main thread can continue loading other GUI components and isn’t blocked by the method reading the text file.
import wx import concurrent.futures class MyDialog(wx.Frame): def __init__(self, parent, title): wx.Frame.__init__(self, parent, title=title, size=(250, 270)) self.panel = wx.Panel(self, size=(250, 270)) self.combo = wx.ComboBox(self.panel, -1, pos=(60, 100)) self.start_read_thread() # code to load other GUI components self.Centre() self.Show(True) def read_employees(self,read_file): emp_list =  with open(read_file) as f_obj: for line in f_obj: emp_list.append(line) wx.CallAfter(self.combo.Append, emp_list) def start_read_thread(self): filename = 'employees.txt' with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor: executor.submit(self.read_employees, filename) app = wx.App(False) frame = MyDialog(None, "Sample editor") app.MainLoop()
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