Exemplos de validate_expression em Python

Exemplo n.º 1

Arquivo: test_filter_script.py Projeto: 4teamwork/seantis.reservation

    def test_restricted_validate(self):
        run = lambda script: validate_expression(dedent(script), 'exec')

        # wrong syntax
        script = """
        if True
            pass
        """
        self.assertRaises(SyntaxError, run, script)

        # disallowed opcode
        script = """
        class Test(object):
            pass
        """
        self.assertRaises(ValueError, run, script)

Exemplo n.º 2

Arquivo: settings.py Projeto: wyn-williams/seantis.reservation

def valid_expression(expression):
    try:
        validate_expression(expression, mode='exec')
    except Exception as e:
        raise Invalid(str(e))
    return True

Exemplo n.º 3

Arquivo: settings.py Projeto: deiferni/seantis.reservation

def valid_expression(expression):
    try:
        validate_expression(expression, mode='exec')
    except Exception, e:
        raise Invalid(str(e))