Class CustomRun

Lib/idlelib/query.py:335–382

Get settings for custom run of module. 1. Command line arguments to extend sys.argv. 2. Whether to restart Shell or not.

        return None if name is None or path is None else (name, path)

class CustomRun(Query):
    """Get settings for custom run of module.

    1. Command line arguments to extend sys.argv.
    2. Whether to restart Shell or not.
    """
    # Used in runscript.run_custom_event

    def __init__(self, parent, title, *, cli_args=[],
                 _htest=False, _utest=False):
        """cli_args is a list of strings.

        The list is assigned to the default Entry StringVar.
        The strings are displayed joined by ' ' for display.
        """
        message = 'Command Line Arguments for sys.argv:'
        super().__init__(
                parent, title, message, text0=cli_args,
                _htest=_htest, _utest=_utest)

    def create_extra(self):
        "Add run mode on rows 10-12."
        frame = self.frame
        self.restartvar = BooleanVar(self, value=True)
        restart = Checkbutton(frame, variable=self.restartvar, onvalue=True,
                              offvalue=False, text='Restart shell')
        self.args_error = Label(frame, text=' ', foreground='red',
                                font=self.error_font)

        restart.grid(column=0, row=10, columnspan=3, padx=5, sticky='w')
        self.args_error.grid(column=0, row=12, columnspan=3, padx=5,
                             sticky='we')

    def cli_args_ok(self):
        "Return command line arg list or None if error."
        cli_string = self.entry.get().strip()
        try:
            cli_args = shlex.split(cli_string, posix=True)
        except ValueError as err:
            self.showerror(str(err))
            return None
        return cli_args

    def entry_ok(self):
        "Return apparently valid (cli_args, restart) or None."
        cli_args = self.cli_args_ok()
        restart = self.restartvar.get()
        return None if cli_args is None else (cli_args, restart)


if __name__ == '__main__':