如何在python中返回类的定义? [英] How do I return the definition of a class in python?
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问题描述
说我有一个"NumberStore"类
Say I have a class "NumberStore"
class NumberStore(object):
def __init__(self, num):
self.num = num
def get(self):
return self.num
然后,出于序列化的目的,我想打印类的定义,该定义完全相同或相同. python中有什么方法可以访问类的定义,如下面的理想示例所示?
And later on, for the purpose of serialization, I want to print a definition of the class, either exactly as stated, or equivalently stated. Is there any way in python to access a class's definition as in the idealized example below?
>>> NumberStore.print_class_definition()
"class NumberStore(object):\n def __init__(self, num):\n self.num = num\n \n def get(self):\n return self.num"
推荐答案
Yep, with inspect.getsource
:
from inspect import getsource
class NumberStore(object):
def __init__(self, num):
self.num = num
def get(self):
return self.num
@classmethod
def print_class_definition(cls):
return getsource(cls)
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