def unpack_sequence(self, w_iterable, expected_length): w_len = op.len(w_iterable).eval(self) w_correct = op.eq(w_len, const(expected_length)).eval(self) if not self.guessbool(op.bool(w_correct).eval(self)): w_exc = self.exc_from_raise(const(ValueError), const(None)) raise Raise(w_exc) return [op.getitem(w_iterable, const(i)).eval(self) for i in range(expected_length)]
def unpack_sequence(self, w_iterable, expected_length): w_len = op.len(w_iterable).eval(self) w_correct = op.eq(w_len, const(expected_length)).eval(self) if not self.guessbool(op.bool(w_correct).eval(self)): w_exc = self.exc_from_raise(const(ValueError), const(None)) raise Raise(w_exc) return [op.getitem(w_iterable, const(i)).eval(self) for i in range(expected_length)]