如何使用.pyw扩展名从Python脚本打印到stdout ?

I have a python program with a wxpython GUI and some command line parameters. I generate a single windows executable with py2exe. I don't want to have a command line window in the background, so py2exe is making this a pythonw executable without this window. This is equivalent to use the *.pyw extension.I have a python program with a wxpython GUI and