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#!/usr/bin/env python2
"""PySlicesShell is a python shell application."""
# The next two lines, and the other code below that makes use of
# ``__main__`` and ``original``, serve the purpose of cleaning up the
# main namespace to look as much as possible like the regular Python
# shell environment.
import __main__
original = __main__.__dict__.keys()
__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
__cvsid__ = "$Id: PySlicesShell.py 41078 2006-09-09 00:38:53Z RD $"
__revision__ = "$Revision: 41078 $"[11:-2]
import wx
import os
class App(wx.App):
"""PySlicesShell standalone application."""
def __init__(self, filename=None):
self.filename = filename
import wx
wx.App.__init__(self, redirect=False)
def OnInit(self):
import os
import wx
from wx import py
self.SetAppName("pysliceshell")
confDir = wx.StandardPaths.Get().GetUserDataDir()
if not os.path.exists(confDir):
os.mkdir(confDir)
fileName = os.path.join(confDir, 'config')
self.config = wx.FileConfig(localFilename=fileName)
self.config.SetRecordDefaults(True)
self.frame = py.sliceshell.SlicesShellFrame(config=self.config,
dataDir=confDir,
filename=self.filename)
self.frame.Show()
self.SetTopWindow(self.frame)
return True
'''
The main() function needs to handle being imported, such as with the
pyshell script that wxPython installs:
#!/usr/bin/env python2
from wx.py.PySlicesShell import main
main()
'''
def main(filename=None):
"""The main function for the PySlicesShell program."""
# Cleanup the main namespace, leaving the App class.
import sys
if not filename and len(sys.argv) > 1:
filename = sys.argv[1]
if filename:
filename = os.path.realpath(filename)
import __main__
md = __main__.__dict__
keepers = original
keepers.append('App')
keepers.append('filename')
for key in md.keys():
if key not in keepers:
del md[key]
# Create an application instance.
app = App(filename=filename)
# Cleanup the main namespace some more.
if md.has_key('App') and md['App'] is App:
del md['App']
if md.has_key('filename') and md['filename'] is filename:
del md['filename']
if md.has_key('__main__') and md['__main__'] is __main__:
del md['__main__']
# Mimic the contents of the standard Python shell's sys.path.
import sys
if sys.path[0]:
sys.path[0] = ''
# Add the application object to the sys module's namespace.
# This allows a shell user to do:
# >>> import sys
# >>> sys.app.whatever
sys.app = app
del sys
# Start the wxPython event loop.
app.MainLoop()
if __name__ == '__main__':
main()
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