How to use the werobot.messages.events.WeChatEvent function in WeRoBot

class ClickEvent(SimpleEvent):
    __type__ = 'click_event'


class ViewEvent(SimpleEvent):
    __type__ = 'view_event'


class LocationEvent(WeChatEvent):
    __type__ = 'location_event'
    latitude = FloatEntry('Latitude')
    longitude = FloatEntry('Longitude')
    precision = FloatEntry('Precision')


class TemplateSendJobFinishEvent(WeChatEvent):
    __type__ = 'templatesendjobfinish_event'
    status = StringEntry('Status')


class BaseProductEvent(WeChatEvent):
    key_standard = StringEntry('KeyStandard')
    key_str = StringEntry('KeyStr')
    ext_info = StringEntry('ExtInfo')


class UserScanProductEvent(BaseProductEvent):
    __type__ = 'user_scan_product_event'
    country = StringEntry('Country')
    province = StringEntry('Province')
    city = StringEntry('City')
    sex = IntEntry('Sex')

__type__ = 'view_event'


class LocationEvent(WeChatEvent):
    __type__ = 'location_event'
    latitude = FloatEntry('Latitude')
    longitude = FloatEntry('Longitude')
    precision = FloatEntry('Precision')


class TemplateSendJobFinishEvent(WeChatEvent):
    __type__ = 'templatesendjobfinish_event'
    status = StringEntry('Status')


class BaseProductEvent(WeChatEvent):
    key_standard = StringEntry('KeyStandard')
    key_str = StringEntry('KeyStr')
    ext_info = StringEntry('ExtInfo')


class UserScanProductEvent(BaseProductEvent):
    __type__ = 'user_scan_product_event'
    country = StringEntry('Country')
    province = StringEntry('Province')
    city = StringEntry('City')
    sex = IntEntry('Sex')
    scene = IntEntry('Scene')


class UserScanProductEnterSessionEvent(BaseProductEvent):
    __type__ = 'user_scan_product_enter_session_event'

class BaseCardCheckEvent(WeChatEvent):
    card_id = StringEntry('CardId')
    refuse_reason = StringEntry('RefuseReason')


class CardPassCheckEvent(BaseCardCheckEvent):
    __type__ = 'card_pass_check_event'


class CardNotPassCheckEvent(BaseCardCheckEvent):
    __type__ = 'card_not_pass_check_event'


class BaseCardEvent(WeChatEvent):
    card_id = StringEntry('CardId')
    user_card_code = StringEntry('UserCardCode')


class UserGetCardEvent(BaseCardEvent):
    __type__ = 'user_get_card_event'
    is_give_by_friend = IntEntry('IsGiveByFriend')
    friend_user_name = StringEntry('FriendUserName')
    outer_id = IntEntry('OuterId')
    old_user_card_code = StringEntry('OldUserCardCode')
    outer_str = StringEntry('OuterStr')
    is_restore_member_card = IntEntry('IsRestoreMemberCard')
    is_recommend_by_friend = IntEntry('IsRecommendByFriend')


class UserGiftingCardEvent(BaseCardEvent):

__type__ = 'user_enter_session_from_card_event'


class UpdateMemberCardEvent(BaseCardEvent):
    __type__ = 'update_member_card_event'
    modify_bonus = IntEntry('ModifyBonus')
    modify_balance = IntEntry('ModifyBalance')


class CardSkuRemindEvent(WeChatEvent):
    __type__ = 'card_sku_remind_event'
    card_id = StringEntry('CardId')
    detail = StringEntry('Detail')


class CardPayOrderEvent(WeChatEvent):
    __type__ = 'card_pay_order_event'
    order_id = StringEntry('OrderId')
    status = StringEntry('Status')
    create_order_time = IntEntry('CreateOrderTime')
    pay_finish_time = IntEntry('PayFinishTime')
    desc = StringEntry('Desc')
    free_coin_count = StringEntry('FreeCoinCount')
    pay_coin_count = StringEntry('PayCoinCount')
    refund_free_coin_count = StringEntry('RefundFreeCoinCount')
    refund_pay_coin_count = StringEntry('RefundPayCoinCount')
    order_type = StringEntry('OrderType')
    memo = StringEntry('Memo')
    receipt_info = StringEntry('ReceiptInfo')


class SubmitMembercardUserInfoEvent(BaseCardEvent):

class UserScanProductAsyncEvent(BaseProductEvent):
    __type__ = 'user_scan_product_async_event'
    region_code = StringEntry('RegionCode')


class UserScanProductVerifyActionEvent(WeChatEvent):
    __type__ = 'user_scan_product_verify_action_event'
    key_standard = StringEntry('KeyStandard')
    key_str = StringEntry('KeyStr')
    result = StringEntry('Result')
    reason_msg = StringEntry('ReasonMsg')


class BaseCardCheckEvent(WeChatEvent):
    card_id = StringEntry('CardId')
    refuse_reason = StringEntry('RefuseReason')


class CardPassCheckEvent(BaseCardCheckEvent):
    __type__ = 'card_pass_check_event'


class CardNotPassCheckEvent(BaseCardCheckEvent):
    __type__ = 'card_not_pass_check_event'


class BaseCardEvent(WeChatEvent):
    card_id = StringEntry('CardId')
    user_card_code = StringEntry('UserCardCode')

class SimpleEvent(WeChatEvent):
    key = StringEntry('EventKey')


class TicketEvent(WeChatEvent):
    key = StringEntry('EventKey')
    ticket = StringEntry('Ticket')


class SubscribeEvent(TicketEvent):
    __type__ = 'subscribe_event'


class UnSubscribeEvent(WeChatEvent):
    __type__ = 'unsubscribe_event'


class ScanEvent(TicketEvent):
    __type__ = 'scan_event'


class ScanCodePushEvent(SimpleEvent):
    __type__ = 'scancode_push_event'
    scan_type = StringEntry('ScanCodeInfo.ScanType')
    scan_result = StringEntry('ScanCodeInfo.ScanResult')


class ScanCodeWaitMsgEvent(ScanCodePushEvent):
    __type__ = 'scancode_waitmsg_event'
    scan_type = StringEntry('ScanCodeInfo.ScanType')

class UserViewCardEvent(BaseCardEvent):
    __type__ = 'user_view_card_event'
    outer_str = StringEntry('OuterStr')


class UserEnterSessionFromCardEvent(BaseCardEvent):
    __type__ = 'user_enter_session_from_card_event'


class UpdateMemberCardEvent(BaseCardEvent):
    __type__ = 'update_member_card_event'
    modify_bonus = IntEntry('ModifyBonus')
    modify_balance = IntEntry('ModifyBalance')


class CardSkuRemindEvent(WeChatEvent):
    __type__ = 'card_sku_remind_event'
    card_id = StringEntry('CardId')
    detail = StringEntry('Detail')


class CardPayOrderEvent(WeChatEvent):
    __type__ = 'card_pay_order_event'
    order_id = StringEntry('OrderId')
    status = StringEntry('Status')
    create_order_time = IntEntry('CreateOrderTime')
    pay_finish_time = IntEntry('PayFinishTime')
    desc = StringEntry('Desc')
    free_coin_count = StringEntry('FreeCoinCount')
    pay_coin_count = StringEntry('PayCoinCount')
    refund_free_coin_count = StringEntry('RefundFreeCoinCount')
    refund_pay_coin_count = StringEntry('RefundPayCoinCount')

province = StringEntry('Province')
    city = StringEntry('City')
    sex = IntEntry('Sex')
    scene = IntEntry('Scene')


class UserScanProductEnterSessionEvent(BaseProductEvent):
    __type__ = 'user_scan_product_enter_session_event'


class UserScanProductAsyncEvent(BaseProductEvent):
    __type__ = 'user_scan_product_async_event'
    region_code = StringEntry('RegionCode')


class UserScanProductVerifyActionEvent(WeChatEvent):
    __type__ = 'user_scan_product_verify_action_event'
    key_standard = StringEntry('KeyStandard')
    key_str = StringEntry('KeyStr')
    result = StringEntry('Result')
    reason_msg = StringEntry('ReasonMsg')


class BaseCardCheckEvent(WeChatEvent):
    card_id = StringEntry('CardId')
    refuse_reason = StringEntry('RefuseReason')


class CardPassCheckEvent(BaseCardCheckEvent):
    __type__ = 'card_pass_check_event'

@six.add_metaclass(EventMetaClass)
class WeChatEvent(object):
    target = StringEntry('ToUserName')
    source = StringEntry('FromUserName')
    time = IntEntry('CreateTime')
    message_id = IntEntry('MsgID', 0)

    def __init__(self, message):
        self.__dict__.update(message)


class SimpleEvent(WeChatEvent):
    key = StringEntry('EventKey')


class TicketEvent(WeChatEvent):
    key = StringEntry('EventKey')
    ticket = StringEntry('Ticket')


class SubscribeEvent(TicketEvent):
    __type__ = 'subscribe_event'


class UnSubscribeEvent(WeChatEvent):
    __type__ = 'unsubscribe_event'


class ScanEvent(TicketEvent):
    __type__ = 'scan_event'

class EventMetaClass(WeRoBotMetaClass):
    pass


@six.add_metaclass(EventMetaClass)
class WeChatEvent(object):
    target = StringEntry('ToUserName')
    source = StringEntry('FromUserName')
    time = IntEntry('CreateTime')
    message_id = IntEntry('MsgID', 0)

    def __init__(self, message):
        self.__dict__.update(message)


class SimpleEvent(WeChatEvent):
    key = StringEntry('EventKey')


class TicketEvent(WeChatEvent):
    key = StringEntry('EventKey')
    ticket = StringEntry('Ticket')


class SubscribeEvent(TicketEvent):
    __type__ = 'subscribe_event'


class UnSubscribeEvent(WeChatEvent):
    __type__ = 'unsubscribe_event'