'date': 'brown'} # 获取值为'red'的键 result = get_key_from_value(my_dict, ...
:46"""47根据枚举名称取状态说明code48:return: 状态说明code49"""50returnlist(self.value.keys())[0]5152@property53defMsg(self):54"""55根据枚举名称取状态说明msg56:return: 状态说明msg57"""58returnlist(self.value.values())[0]59 下面是读取场景 1、拿到 Success 中的 key 1print(EnumCode.Succ...
enum是 Python 自 3.4 版本引入的内置模块,如果你使用的是更早的版本,可以通过pip install enum34来安装它。下面是使用 enum 的样例代码: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #-*-coding:utf-8-*-fromenumimportIntEnumclassTripSource(IntEum):FROM_WEBSITE=11FROM_IOS_CLIENT=12defmark_trip...
IntEnum是Enum的扩展,不同类型的整数枚举也可以相互比较: fromenumimportIntEnumclassShape(IntEnum): circle = 1 square = 2classRequest(IntEnum): post = 1 get = 2 print(Shape.circle== 1) #Trueprint(Shape.circle< 3) #Trueprint(Shape.circle==Request.post) #Trueprint(Shape.circle>=Request.pos...
(TestCaseEnum.TEARDOWN.value[0]),"teardown_sql":self.case_data.get(TestCaseEnum.TEARDOWN_SQL.value[0]),"sleep":self.case_data.get(TestCaseEnum.SLEEP.value[0]),}ifcase_id_switch is True:case_list.append({key:TestCase(**case_date).dict()})else:case_list.append(TestCase(**case_...
>>> member = Color.RED >>> member.name 'RED' >>> member.value 1 复制枚举成员和值 不允许有同名的枚举成员: >>> >>> class Shape(Enum): ... SQUARE = 2 ... SQUARE = 3 ... Traceback (most recent call last): ... TypeError: Attempted to reuse key: 'SQUARE' 但是,允许两个...
from enum import Enum class TransactionType(Enum): INCOME = "INCOME" EXPENSE = "EXPENSE" The code of the enumerator is quite simple. It just defines a class called TransactionType that inherits from Enum and that defines two types: INCOME and EXPENSE. Lastly, let's create the class ...
cv2.waitKey() if __name__ == "__main__": # 获得设备信息 deviceList = MV_CC_DEVICE_INFO_LIST() tlayerType = MV_GIGE_DEVICE | MV_USB_DEVICE # ch:枚举设备 | en:Enum device # nTLayerType [IN] 枚举传输层 ,pstDevList [OUT] 设备列表 ...
void QTreewidgetItem::setData(int column,int role,const QVariant &value) 1. 其中,column是列号,role是角色的值,value是一个QVariant类型的数。 代码中设置节点数据的语句是: item->setData(Mainwindow::colItem,Qt::UserRole,QVariant(dataStr)); ...
pythonCopy code d = {'apple': 2, 'orange': 3, 'banana': 1} sorted_by_key = dict(sorted(d.items())) # 结果:{'apple': 2, 'banana': 1, 'orange': 3} 如果想按值排序: pythonCopy code sorted_by_value = dict(sorted(d.items(), key=lambda item: item[1])) # 结果:{'banan...