test_gettext.py 文件源码

def test_security(self):
        raises = self.assertRaises
        # Test for a dangerous expression
        raises(ValueError, gettext.c2py, "os.chmod('/etc/passwd',0777)")
        # issue28563
        raises(ValueError, gettext.c2py, '"(eval(foo) && ""')
        raises(ValueError, gettext.c2py, 'f"{os.system(\'sh\')}"')
        # Maximum recursion depth exceeded during compilation
        raises(ValueError, gettext.c2py, 'n+'*10000 + 'n')
        self.assertEqual(gettext.c2py('n+'*100 + 'n')(1), 101)
        # MemoryError during compilation
        raises(ValueError, gettext.c2py, '('*100 + 'n' + ')'*100)
        # Maximum recursion depth exceeded in C to Python translator
        raises(ValueError, gettext.c2py, '('*10000 + 'n' + ')'*10000)
        self.assertEqual(gettext.c2py('('*20 + 'n' + ')'*20)(1), 1)