wxPython, error when trying to get value from textctrl

Question

I am trying to learn Python and wxPython; I am making a simple window that should print the contents of a textctrl element on the console. However, I get this error:

AttributeError: 'Frame' object has no attribute 't_username'

Here is the interested portion of the code:

import sys, wx
app = wx.App(False)

class Frame(wx.Frame):

    def Login(self, e):
        tmp = self.t_username.GetValue()
        print tmp

    def __init__(self, title):
        wx.Frame.__init__(self, None, title=title, size=(400, 250))
        panel = wx.Panel(self)

        m_login = wx.Button(panel, wx.ID_OK, "Login", size=(100, 35), pos=(150,165))


        t_username = wx.TextCtrl(panel, -1, pos=(100, 50), size=(150, 30))
        m_login.Bind(wx.EVT_BUTTON, self.Login)

frame = Frame("Login Screen")
frame.Show()
app.MainLoop()

I tried to change the name of the Frame class, the Bind line to

    self.Bind(wx.EVT_BUTTON, self.Login, m_login)

and removing self. from tmp, but it didn't work. Thanks for your help.

Yoriz · Accepted Answer · 2015-04-09 11:51:26Z

1

You just need to make t_username an attribute of the Frame class by adding self. in front of it.

import wx
app = wx.App(False)


class Frame(wx.Frame):

    def Login(self, e):
        tmp = self.t_username.GetValue()
        print tmp

    def __init__(self, title):
        wx.Frame.__init__(self, None, title=title, size=(400, 250))
        panel = wx.Panel(self)

        m_login = wx.Button(
            panel, wx.ID_OK, "Login", size=(100, 35), pos=(150, 165))

        self.t_username = wx.TextCtrl(panel, -1, pos=(100, 50), size=(150, 30))
        m_login.Bind(wx.EVT_BUTTON, self.Login)

frame = Frame("Login Screen")
frame.Show()
app.MainLoop()

answered Apr 9, 2015 at 11:51

Yoriz

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