def should_allow_eval()

in prm800k/grading/grader.py [0:0]

• 10 lines of code
• 7 McCabe index (conditional complexity)

def should_allow_eval(expr: str):
    # we don't want to try parsing unknown text or functions of more than two variables
    if count_unknown_letters_in_expr(expr) > 2:
        return False

    for bad_string in BAD_SUBSTRINGS:
        if bad_string in expr:
            return False

    for bad_regex in BAD_REGEXES:
        if re.search(bad_regex, expr) is not None:
            return False

    return True