wxPython/wxPython/lib/PyCrust/PyShellApp.py

   1
   2 """PyShellApp is a python shell application."""
   3
   4 # The next two lines, and the other code below that makes use of
   5 # ``__main__`` and ``original``, serve the purpose of cleaning up the
   6 # main namespace to look as much as possible like the regular Python
   7 # shell environment.
   8 import __main__
   9 original = __main__.__dict__.keys()
  10
  11 __author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
  12 __cvsid__ = "$Id$"
  13 __revision__ = "$Revision$"[11:-2]
  14
  15 from wxPython import wx
  16
  17 try:
  18     True
  19 except NameError:
  20     True = 1==1
  21     False = 1==0
  22
  23
  24 class App(wx.wxApp):
  25     """PyShell standalone application."""
  26
  27     def OnInit(self):
  28         from wxPython import wx
  29         wx.wxInitAllImageHandlers()
  30         locals = __main__.__dict__
  31         from shell import ShellFrame
  32         self.frame = ShellFrame(locals=locals)
  33         self.frame.SetSize((750, 525))
  34         self.frame.Show()
  35         self.SetTopWindow(self.frame)
  36         self.frame.shell.SetFocus()
  37         # Add the application object to the sys module's namespace.
  38         # This allows a shell user to do:
  39         # >>> import sys
  40         # >>> sys.app.whatever
  41         import sys
  42         sys.app = self
  43         return 1
  44
  45 '''
  46 The main() function needs to handle being imported, such as with the
  47 pycrust script that wxPython installs:
  48
  49     #!/usr/bin/env python
  50
  51     from wxPython.lib.PyCrust.PyCrustApp import main
  52     main()
  53 '''
  54
  55 def main():
  56     import __main__
  57     md = __main__.__dict__
  58     keepers = original
  59     keepers.append('App')
  60     for key in md.keys():
  61         if key not in keepers:
  62             del md[key]
  63     app = App(0)
  64     if md.has_key('App') and md['App'] is App:
  65         del md['App']
  66     if md.has_key('__main__') and md['__main__'] is __main__:
  67         del md['__main__']
  68     app.MainLoop()
  69
  70 if __name__ == '__main__':
  71     main()