def handles_request_body(request_func):
    """
    This function decorator may be used to mark a method as usable for
    intercepting request body content.

    handles_request_body will intercept the HTTP content in chunks as it
    arrives. This method, like others in the filter class may return a
    FilterAction.
    """
    request_func._handles_request_body = True
    return request_func
