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[wxWidgets.git] / wxPython / wx / py / PyCrust.py
1 """PyCrust is a python shell and namespace browser application."""
2
3 # The next two lines, and the other code below that makes use of
4 # ``__main__`` and ``original``, serve the purpose of cleaning up the
5 # main namespace to look as much as possible like the regular Python
6 # shell environment.
7 import __main__
8 original = __main__.__dict__.keys()
9
10 __author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
11 __cvsid__ = "$Id$"
12 __revision__ = "$Revision$"[11:-2]
13
14 import wx
15
16 class App(wx.App):
17 """PyCrust standalone application."""
18
19 def OnInit(self):
20 import os
21 import wx
22 from wx import py
23
24 self.SetAppName("pycrust")
25 confDir = wx.StandardPaths.Get().GetUserDataDir()
26 if not os.path.exists(confDir):
27 os.mkdir(confDir)
28 fileName = os.path.join(confDir, 'config')
29 self.config = wx.FileConfig(localFilename=fileName)
30 self.config.SetRecordDefaults(True)
31
32 self.frame = py.crust.CrustFrame(config=self.config, dataDir=confDir)
33 ## self.frame.startupFileName = os.path.join(confDir,'pycrust_startup')
34 ## self.frame.historyFileName = os.path.join(confDir,'pycrust_history')
35 self.frame.Show()
36 self.SetTopWindow(self.frame)
37 return True
38
39
40 '''
41 The main() function needs to handle being imported, such as with the
42 pycrust script that wxPython installs:
43
44 #!/usr/bin/env python
45
46 from wx.py.PyCrust import main
47 main()
48 '''
49
50 def main():
51 """The main function for the PyCrust program."""
52 # Cleanup the main namespace, leaving the App class.
53 import __main__
54 md = __main__.__dict__
55 keepers = original
56 keepers.append('App')
57 for key in md.keys():
58 if key not in keepers:
59 del md[key]
60 # Create an application instance.
61 app = App(0)
62 # Mimic the contents of the standard Python shell's sys.path.
63 import sys
64 if sys.path[0]:
65 sys.path[0] = ''
66 # Add the application object to the sys module's namespace.
67 # This allows a shell user to do:
68 # >>> import sys
69 # >>> sys.app.whatever
70 sys.app = app
71 del sys
72 # Cleanup the main namespace some more.
73 if md.has_key('App') and md['App'] is App:
74 del md['App']
75 if md.has_key('__main__') and md['__main__'] is __main__:
76 del md['__main__']
77 # Start the wxPython event loop.
78 app.MainLoop()
79
80 if __name__ == '__main__':
81 main()