class Person(metaclass=decorateAll(timer(label='**'))): # 데코레이터 인수 사용
def __init__(self, name, pay):
self.name = name
self.pay = pay
def giveRaise(self, percent):
self.pay *= (1.0 + percent)
def lastName(self):
return self.name.split()[-1]
def decorateAll(decorator):
def DecoDecorate(aClass):
for attr, attrval in aClass.__dict__.items():
if type(attrval) is FunctionType:
setattr(aClass, attr, decorator(attrval)) # Not __dict__
return aClass
return DecoDecorate
#@decorateAll(tracer) # Use a class decorator
@decorateAll(timer(label='@@'))
class Person: # Applies func decorator to methods
def __init__(self, name, pay): # Person = decorateAll(..)(Person)
self.name = name # Person = DecoDecorate(Person)
self.pay = pay
def giveRaise(self, percent):
self.pay *= (1.0 + percent)
def lastName(self):
return self.name.split()[-1]
bob = Person('Bob Smith', 50000)
sue = Person('Sue Jones', 100000)
print(bob.name, sue.name)
return DecoDecorate
#@decorateAll(tracer) # Use a class decorator
#@decorateAll(tracer(timer(label='@@')))
#@decorateAll(timer(label='@@')(tracer)) # Times applying the tracer!
#@decorateAll(tracer(timer(label='@@'))) # Traces applying the timer!
#@decorateAll(tracer) # Traces onCall wrapper, times methods
#@decorateAll(timer(label='@@'))
#@decorateAll(timer(label='@@'))
#@decorateAll(tracer) # Times onCall wrapper, traces methods
@decorateAll(timer(label='@@'))
@decorateAll(tracer) # Times onCall wrapper, traces methods
class Person: # Applies func decorator to methods
def __init__(self, name, pay): # Person = decorateAll(..)(Person)
self.name = name # Person = DecoDecorate(Person)
self.pay = pay
def giveRaise(self, percent):
self.pay *= (1.0 + percent)
def lastName(self):
return self.name.split()[-1]
bob = Person('Bob Smith', 50000)
sue = Person('Sue Jones', 100000)
print(bob.name, sue.name)
sue.giveRaise(.10)
print('%.2f' % sue.pay)
from types import FunctionType
from decotools import tracer, timer
def decorateAll(decorator):
def DecoDecorate(aClass):
for attr, attrval in aClass.__dict__.items():
if type(attrval) is FunctionType:
setattr(aClass, attr, decorator(attrval)) # __dict__가 아님
return aClass
return DecoDecorate
@decorateAll(timer(label='@@')) # 클래스 데코레이터 사용
class Person: # 함수 데코레이터를 메서드에 적용
def __init__(self, name, pay): # Person = decorateAll(...)(Person)
self.name = name # Person = DecoDecorate(Person)
self.pay = pay
def giveRaise(self, percent):
self.pay *= (1.0 + percent)
def lastName(self):
return self.name.split()[-1]
bob = Person('Bob Smith', 50000)
sue = Person('Sue Jones', 100000)
print(bob.name, sue.name)
sue.giveRaise(.10)
# py -3 decoall-deco-any.py
# call 1 to __init__
# call 2 to __init__
# Bob Smith Sue Jones
# call 1 to giveRaise
# 110000.00
# call 1 to lastName
# call 2 to lastName
# Smith Jones
@decorateAll(tracer) # 모든 메서드를 tracer로 데코레이션
@decorateAll(timer()) # 모든 메서드를 timer와 기본 인수로 데코레이션
@decorateAll(timer(label='@@')) # 동일하지만 데코레이터 인수를 전달
# 만약 타이머를 사용한다면: 메서드당 총 소요 시간 출력
print('-'*40)
print('%.5f' % Person.__init__.alltime)
print('%.5f' % Person.giveRaise.alltime)
print('%.5f' % Person.lastName.alltime)
# py -3 decoall-deco-any2.py
# @@__init__: 0.00001, 0.00001
# @@__init__: 0.00001, 0.00001
# Bob Smith Sue Jones