Method _check_statement_complete

cmd2/cmd2.py:3055–3083

Check if the given line is a complete statement. :param line: the current input string to check :return: the completed Statement :raises Cmd2ShlexError: if a shlex error occurs on a non-multiline command :raises IncompleteStatement: if more input is needed for multil

(self, line: str)

        return False

    def _check_statement_complete(self, line: str) -> Statement:
        """Check if the given line is a complete statement.

        :param line: the current input string to check
        :return: the completed Statement
        :raises Cmd2ShlexError: if a shlex error occurs on a non-multiline command
        :raises IncompleteStatement: if more input is needed for multiline
        :raises EmptyStatement: if the command is blank
        """
        try:
            statement = self.statement_parser.parse(line)

            # Check if we have a finished multiline command or a standard command
            if (statement.multiline_command and statement.terminator) or not statement.multiline_command:
                if not statement.command:
                    raise EmptyStatement
                return statement

        except Cmd2ShlexError:
            # Check if the error is occurring within a multiline command
            partial_statement = self.statement_parser.parse_command_only(line)
            if not partial_statement.multiline_command:
                # It's a standard command with a quoting error, raise it
                raise

        # If we reached here, the statement is incomplete:
        # - Multiline command missing a terminator
        # - Multiline command with an unclosed quotation mark
        raise IncompleteStatement

    def _complete_statement(self, line: str) -> Statement:
        """Keep accepting lines of input until the command is complete.