base.py 文件源码

def visit_lambda(self, lambda_, **kw):
        func = lambda_.func
        spec = inspect_getargspec(func)

        if spec.varargs:
            raise exc.CompileError('Lambdas with *args are not supported')

        if spec.keywords:
            raise exc.CompileError('Lambdas with **kwargs are not supported')

        text = ', '.join(spec.args) + ' -> '

        args = [literal_column(arg) for arg in spec.args]
        text += self.process(func(*args), **kw)

        return text