platform.py 文件源码

def gui_open_file(self, start_dir=None, types=[]):
        """Prompt the user to pick a file to open"""
        import gtk

        if not start_dir:
            start_dir = self._last_dir

        dlg = gtk.FileChooserDialog("Select a file to open",
                                    None,
                                    gtk.FILE_CHOOSER_ACTION_OPEN,
                                    (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                     gtk.STOCK_OPEN, gtk.RESPONSE_OK))
        if start_dir and os.path.isdir(start_dir):
            dlg.set_current_folder(start_dir)

        for desc, spec in types:
            ff = gtk.FileFilter()
            ff.set_name(desc)
            ff.add_pattern(spec)
            dlg.add_filter(ff)

        res = dlg.run()
        fname = dlg.get_filename()
        dlg.destroy()

        if res == gtk.RESPONSE_OK:
            self._last_dir = os.path.dirname(fname)
            return fname
        else:
            return None