decorator_with_arguments.py class decorator_with_arguments(object): def __init__(self, arg1, arg2, arg3): # TypeError: __init__() takes 4 positional arguments but 5 were given """ If there are decorator argument
在这个示例中,decorator2 首先被应用,其次是 decorator1。 结论 装饰器是Python中的一个强大功能,简化了许多常见的编程任务,如日志记录、权限控制、性能优化等。它使得代码更具可读性和可维护性,鼓励模块化和复用性。理解和熟练使用装饰器,可以大大提高开发效率和代码质量。 本文参与 腾讯云自媒体同步曝光计划,分享自微...
AI代码解释 defdecorator_with_args(arg1,arg2,arg3):defreal_decorator(func):defwrapper(*args,**kwargs):print("Decorator arguments:",arg1,arg2,arg3)returnfunc(*args,**kwargs)returnwrapperreturnreal_decorator@decorator_with_args("Hello","World",42)defmy_function(arg1,arg2):print("Function ar...
https://python-3-patterns-idioms-test.readthedocs.io/en/latest/PythonDecorators.html#decorators-with-arguments https://www.geeksforgeeks.org/decorators-with-parameters-in-python/ https://stackoverflow.com/questions/5929107/decorators-with-parameters """ # PythonDecorators/decorator_with_arguments.py cl...
Line 6: In this case, you called the decorator with arguments. Return a decorator function that takes a function as an argument and returns a wrapper function. Line 8: In this case, you called the decorator without arguments. Apply the decorator to the function immediately.Using this boilerpl...
Here, when we call thedivide()function with the arguments(2,5), theinner()function defined in thesmart_divide()decorator is called instead. Thisinner()function calls the originaldivide()function with the arguments2and5and returns the result, which is0.4. ...
return a_wrapper_accepting_arguments #因为当您调用装饰器返回的函数时,调用的包装器(wrapper),将参数传递给被包装器包装的函数 @a_decorator_passing_arguments def print_full_name(first_name, last_name): print("My name is {0} {1}".format(first_name, last_name)) ...
__name__)) # 添加功能的地方 return original_funciton(*args, **kwargs) return inner_function # 创造decorator @outer_function def display(): print("display function ran") @outer_function def display_info(name, age): print("display_info func ran with arguments: {},{}".format(name, age...
def decorator_with_arguments(function): def wrapper_accepting_arguments(arg1, arg2): print("My arguments are: {0}, {1}".format(arg1,arg2)) function(arg1, arg2) return wrapper_accepting_arguments @decorator_with_arguments def cities(city_one, city_two): print("Cities I love are {0} an...
login('jatsz') #arguments:jatsz 我们来解释一下login(‘jatsz’)的调用过程: [decorated] login(‘jatsz’) => printdebug(login)(‘jatsz’) => __decorator(‘jatsz’) => [real] login(‘jatsz’) 2,装饰器本身有参数 我们在定义decorator时,也可以带入参数,比如我们这样使用decorator,我们传入一...