Method refresh_display

Lib/getpass.py:279–291

Redraw the entire password line with *echo_char*. If *prev_len* is not specified, the current password length is used.

(self, prev_len=None)

        }

    def refresh_display(self, prev_len=None):
        """Redraw the entire password line with *echo_char*.

        If *prev_len* is not specified, the current password length is used.
        """
        prompt_len = len(self.prompt)
        clear_len = prev_len if prev_len is not None else len(self.password)
        # Clear the entire line (prompt + password) and rewrite.
        self.stream.write('\r' + ' ' * (prompt_len + clear_len) + '\r')
        self.stream.write(self.prompt + self.echo_char * len(self.password))
        if self.cursor_pos < len(self.password):
            self.stream.write('\b' * (len(self.password) - self.cursor_pos))
        self.stream.flush()

    def insert_char(self, char):
        """Insert *char* at cursor position."""