import and display a .txt file in wxpython

Question

I try to import a .txt file and display its values into a wxpython Panel.

But first I need to be able to import the data, and I am stuck at that point. As a test, I tryed :

#!/usr/bin/env python
#.*. coding: utf-8 .*.

f = open('data.txt', "r")
lines = f.readlines()

for line in lines:
    words = line.split("-") 

when I run it, I don't get an error but nothing is happening in the shell. Thank you for your help!

Answer 1

The wxPython panel widget won't display text. You will need to use a wx.TextCtrl for that or possibly the rich text control widget. Here's a minimal example:

import os
import wx

class MyPanel(wx.Panel):

    def __init__(self, parent):
        wx.Panel.__init__(self, parent)

        self.my_text = wx.TextCtrl(self, style=wx.TE_MULTILINE)
        btn = wx.Button(self, label='Open Text File')
        btn.Bind(wx.EVT_BUTTON, self.onOpen)

        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(self.my_text, 1, wx.ALL|wx.EXPAND)
        sizer.Add(btn, 0, wx.ALL|wx.CENTER, 5)

        self.SetSizer(sizer)

    def onOpen(self, event):
        wildcard = "TXT files (*.txt)|*.txt"
        dialog = wx.FileDialog(self, "Open Text Files", wildcard=wildcard,
                               style=wx.FD_OPEN | wx.FD_FILE_MUST_EXIST)

        if dialog.ShowModal() == wx.ID_CANCEL:
            return

        path = dialog.GetPath()

        if os.path.exists(path):
            with open(path) as fobj:
                for line in fobj:
                    self.my_text.WriteText(line)


class MyFrame(wx.Frame):

    def __init__(self):
        wx.Frame.__init__(self, None, title='Text File Reader')

        panel = MyPanel(self)

        self.Show()

if __name__ == '__main__':
    app = wx.App(False)
    frame = MyFrame()
    app.MainLoop()