On Aug 5, 6:29 am, koranthala <koranth...@gmail.com> wrote:
> Hi,
> I am creating the first GUI app (wxPython based) using Twisted.
> I am facing an issue which I cannot seem to solve/understand due
> to lack of trace or anything.
>
> I had a big app written on twisted and now I am creating a login
> screen to the app.
> The app used to work without any issues. I added the login screen
> and the login screen comes up.
> But then everything freezes up. I have to force quit the python
> application to get anything back. Can anyone help me solve it?
>
> The code is as follows:
>
> import wx
> import os
> import logging
>
> from twisted.internet import wxreactor
> wxreactor.install()
> from twisted.internet import reactor #Called only after
> wxreactor.install()
> from twisted.internet.task import LoopingCall
>
> import clientapp
>
> def opj(path):
> """ Convert paths to the platform-specific separator """
> st = apply(os.path.join, tuple(path.split('/')))
> if path.startswith('/'):
> st = '/' + st
> return st
>
> class APPApp(wx.App):
> def OnInit(self):
> self.frame = APPFrame(None, -1, " APP Login", size=(200, 150))
> self.panel = APPPanel(self.frame,-1)
> #client.run method does the verification etc along with other
> items
> client = clientapp.setup_app()
> call = LoopingCall(client.run)
> call.start(.51)
> return True
>
> def main():
> app = APPApp(0)
> reactor.registerWxApp(app)
> try:
> reactor.run()
> except StandardError:
> raise
>
> class APPPanel(wx.Panel):
> """ APP GUI PANEL
>
> The panel in which the user name and password is typed.
> �...@var ID_LOGIN: Login buttons id. When this button is clicked, the
> data
> is stored for logging.
>
> """
> ID_LOGIN = wx.NewId()
>
> def __init__(self, parent, id):
> self.parent = parent
> wx.Panel.__init__(self, parent, id, size=(200,150))
> self.quote = wx.StaticText(self, -1, "APP Login",wx.Point(60,
> 10))
> wx.StaticText(self, wx.ID_ANY, "User Name ", wx.Point(20, 33))
> wx.StaticText(self, wx.ID_ANY, "Password ", wx.Point(20, 58))
> self.usernameBox = wx.TextCtrl(self, wx.ID_ANY, "",
> wx.Point(80, 31), wx.Size(100, wx.ID_ANY))
> self.usernameBox.SetFocus()
> self.passwordBox = wx.TextCtrl(self, wx.ID_ANY, "",
> wx.Point(80, 56), wx.Size(100, wx.ID_ANY), style=wx.TE_PASSWORD)
> self.button =wx.Button(self, self.ID_LOGIN, "Login", wx.Point
> (60, 88))
> wx.EVT_BUTTON(parent, self.ID_LOGIN, self.on_login)
>
> def on_login(self, event):
> username = self.usernameBox.GetString(0, 128)
> password = self.passwordBox.GetString(0, 128)
> if username and password:
> self.parent.on_login_click(username, password)
>
> class APPTaskBarIcon(wx.TaskBarIcon):
> ''' TaskBar Icon
>
> So that the application is always alive on the taskbar.
> 3 operations are possible, DoubleClick on the taskbar would bring
> up the
> window, right click will bring up options to restore or exit the
> tool.
>
> '''
> TBMENU_RESTORE = wx.NewId()
> TBMENU_CLOSE = wx.NewId()
>
> def __init__(self, frame):
> wx.TaskBarIcon.__init__(self)
> self.frame = frame
> # Set the image
> icon = self.MakeIcon(self.frame.get_image())
> self.SetIcon(icon, "APP")
> self.imgidx = 1
> # bind some events
> self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarActivate)
> self.Bind(wx.EVT_MENU, self.OnTaskBarActivate,
> id=self.TBMENU_RESTORE)
> self.Bind(wx.EVT_MENU, self.OnTaskBarClose,
> id=self.TBMENU_CLOSE)
>
> def CreatePopupMenu(self):
> """ Right Click Popup Menu
>
> This method is called by the base class when it needs to popup
> the menu for the default EVT_RIGHT_DOWN event.
>
> """
> menu = wx.Menu()
> menu.Append(self.TBMENU_RESTORE, "Restore Window")
> menu.Append(self.TBMENU_CLOSE, "Exit APP")
> return menu
>
> def MakeIcon(self, img):
> """ Return the generated Icon.
>
> This function is required because various platforms have
> different
> requirements for the icon size.
>
> """
> if "wxMSW" in wx.PlatformInfo:
> img = img.Scale(16, 16)
> elif "wxGTK" in wx.PlatformInfo:
> img = img.Scale(22, 22)
> icon = wx.IconFromBitmap(img.ConvertToBitmap() )
> return icon
>
> def OnTaskBarActivate(self, evt):
> ''' Activation code - say DoubleClick etc. It raises the window
> '''
> if self.frame.IsIconized():
> self.frame.Iconize(False)
> if not self.frame.IsShown():
> self.frame.Show(True)
> self.frame.Raise()
>
> def OnTaskBarClose(self, evt):
> ''' On right click and close, the frame itself is closed '''
> wx.CallAfter(self.frame.Close)
>
> class APPFrame(wx.Frame):
> def __init__(self, parent, id, title, size=None):
> wx.Frame.__init__(self, parent, id, title,
> size=size, pos=wx.Point(400, 300))
> icon = self.get_icon()
> self.SetIcon(icon)
> self.tbicon = APPTaskBarIcon(self)
> self.Show(True)
> self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
> self.Bind(wx.EVT_ICONIZE, self.OnIconify)
>
> def on_login_click(self, username, password):
> self.Hide()
>
> def OnCloseWindow(self, event):
> if self.tbicon is not None:
> self.tbicon.Destroy()
> event.Skip()
>
> def OnIconify(self, event):
> self.Hide()
>
> def get_image(self):
> img= wx.Image(opj('client.ico'), wx.BITMAP_TYPE_ICO)
> return img
>
> def get_icon(self):
> img = self.get_image()
> icon = wx.IconFromBitmap(img.ConvertToBitmap() )
> return icon
>
> if __name__ == '__main__':
> main()
>
> --------------
> If somebody can help me out, I would be much obliged.
Please disregard this mail. I will post a barebones version separately.
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