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[英]Python script is running. I have a method name as a string. How do I call this method?
[英]How do i call a method by a string name using python?
我有以下課程;
class myStringMethod():
def __init__(self):
self.func_list= [('func1','print_func1()'),('func2','print_func2()')]
def print_func1(self, name):
print name
def print_func2(self, name):
print name
def call_func_by_name(self):
for func in self.func_list:
getattr(self, func[1])('Func Name')
if __name__=='__main__':
strM = myStringMethod()
strM.call_func_by_name() #Nothing prints out!
沒有函數被調用,我缺少什么?
蓋特
您的self.func_list
應該是:
self.func_list= [('func1','print_func1'),('func2','print_func2')]
當然,編寫代碼的方式將顯示'Func Name'
。 我猜您可能打算將func[0]
傳遞到那里。
工作示例:
>>> class myStringMethod():
def __init__(self):
self.func_list= [('func1','print_func1'),('func2','print_func2')]
def print_func1(self, name):
print(name)
def print_func2(self, name):
print(name)
def call_func_by_name(self):
for func in self.func_list:
getattr(self, func[1])('Func Name')
>>> myStringMethod().call_func_by_name()
Func Name
Func Name
也許是題外話,但也許您的清單實際上是字典:
self.functs = {'func1':'print_func1', ...}
然后致電:
for fn in self.functs.values() : self.__dict__[fn]('Func Name')
甚至即使您想調用類中的所有“ func_”函數(此處也沒有func_list):
@classmethod
def call_func_by_name(cls)
for n,f in cls.__dict__.values() :
if n.startswith('print_') and hasattr(f,'__call__'): f('Hello')
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