Method evaluate_expression

scrapegraphai/nodes/base_node.py:206–219

Evaluate an expression with parentheses.

(expression: str)

            return []

        def evaluate_expression(expression: str) -> List[str]:
            """Evaluate an expression with parentheses."""

            while "(" in expression:
                start = expression.rfind("(")
                end = expression.find(")", start)
                sub_exp = expression[start + 1 : end]

                sub_result = evaluate_simple_expression(sub_exp)

                expression = (
                    expression[:start] + "|".join(sub_result) + expression[end + 1 :]
                )
            return evaluate_simple_expression(expression)

        result = evaluate_expression(expression)