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 Ê     print_window(self, event):
        confirm = tkMessageBox.askokcancel(
                  title="Print",
                  message="Print to Default Printer",
                  default=tkMessageBox.OK,
                  master=self.text)
        if not confirm:
            self.text.focus_set()
            return "break"
        tempfilename = None
        saved = self.get_saved()
        if saved:
            filename = self.filename
        # shell undo is reset after every prompt, looks saved, probably isn't
        if not saved or filename is None:
            (tfd, tempfilename) = tempfile.mkstemp(prefix='IDLE_tmp_')
            filename = tempfilename
            os.close(tfd)
            if not self.writefile(tempfilename):
                os.unlink(tempfilename)
                return "break"
        platform = os.name
        printPlatform = True
        if platform == 'posix': #posix platform
            command = idleConf.GetOption('main','General',
                                         'print-command-posix')
            command = command + " 2>&1"
        elif platform == 'nt': #win32 platform
            command = idleConf.GetOption('main','General','print-command-win')
        else: #no printing for this platform
            printPlatform = False
        if printPlatform:  #we can try to print for this platform
            command = command % pipes.quote(filename)
            pipe = os.popen(command, "r")
            # things can get ugly on NT if there is no printer available.
            output = pipe.read().strip()
            status = pipe.close()
            if status:
                output = "Printing failed (exit status 0x%x)\n" % \
                         status + output
            if output:
                output = "Printing command: %s\n" % repr(command) + output
                tkMessageBox.showerror("Print status", output, master=self.text)
        else:  #no printing for this platform
            message = "Printing is not enabled for this platform: %s" % platform
            tkMessageBox.showinfo("Print status", message, master=self.text)
        if tempfilename:
            os.unlink(tempfilename)
        return "break"

    opendialog = None
    savedialog = None

    filetypes = [
        ("Python files", "*.py *.pyw", "TEXT"),
        ("Text files", "*.txt", "TEXT"),
        ("All files", "*"),
        ]

    def askopenfile(self):
        dir, base = self.defaultfilename("open")
        if not self.opendialog:
            self.opendialog = tkFileDialog.Open(master=self.text,
                                                filetypes=self.filetypes)
        filename = self.opendialog.show(initialdir=dir, initialfile=base)
        if isinstance(filename, unicode):
            filename = filename.encode(filesystemencoding)
        return filename

    def defaultfilename(self, mode="open"):
        if self.filename:
            return os.path.split(self.filename)
        elif self.dirname:
            return self.dirname, ""
        else:
            try:
                pwd = os.getcwd()
            except os.error:
                pwd = ""
            return pwd, ""

    def asksavefile(self):
        dir, base = self.defaultfilename("save")
        if not self.savedialog:
            self.savedialog = tkFileDialog.Sav