class Response:
    #: @type: int should match associated L{Query}.request_id
    request_id = None
    #: @type: Node
    node = None
    #: @type: dict from L{upcdatabase}
    upcdb_dict = None
    #:@type: found_node_in_tam: bool
    found_node_in_tam = False
    #: @type: found_product_in_upcdb: bool
    found_product_in_upcdb = False

    def __eq__(self, other):
        """
        @type other: L{Response}
        @rtype: boolean
        @returns: True if all fields except L{request_id} are equivalent. False otherwise.
        """
        if other == None:
            return False
        return self.node == other.node and \
               self.upcdb_dict == other.upcdb_dict and \
               self.found_node_in_tam == other.found_node_in_tam and \
               self.found_product_in_upcdb == other.found_product_in_upcdb

    def weak_eq(self, other):
        """
        @type other: L{Response}
        @rtype: boolean
        @returns: True if all fields except L{request_id} and L{node} are equivalent. L{node} equivalence is checked on node.label only. False otherwise.
        """
        if other == None:
            return False
        # to prevent Null dereference later, check node lables now
        if self.node == None or other.node == None:
            if self.node != None or other.node != None:
                return False
        elif self.node.label != other.node.label:
            return False
        return self.upcdb_dict == other.upcdb_dict and \
               self.found_node_in_tam == other.found_node_in_tam and \
               self.found_product_in_upcdb == other.found_product_in_upcdb

    def __init__(self, req_id):
        self.request_id = req_id
        self.node = None
        self.upcdb_dict = None
        self.found_node_in_tam = False
        self.found_product_in_upcdb = False

    def __str__(self):
        return 'request_id:%s\nfound_node_in_tam:%s\nfound_product_in_upcdb:%s\nnode:%s\nupcdb_dict:%s\n' % (str(self.request_id),
                                                                                                             str(self.found_node_in_tam),
                                                                                                             str(self.found_product_in_upcdb),
                                                                                                             str(self.node),
                                                                                                             str(self.upcdb_dict))