你可以用元類魔改類，這裡放出一個例子

def function_one(*args):
    print(1, args)

def function_two(*args):
    print(2, args)

def make_method(func):
    # 此处填逻辑
    def _method(self, plist):
        func(plist)
        
    return _method

# 元类工厂方法，传入包含 function_xxx 的模块对象
def meta(mod):
    class Meta(type):
        def __new__(cls, name, bases, attrs):
            fnames = attrs.get('FUNCTIONS', [])
            for n in fnames:
                func = getattr(mod, 'function_' + n)
                attrs['method_'+n] = make_method(func)
            return super(Meta, cls).__new__(cls, name, bases, attrs)
    return Meta

import sys

myself = sys.modules[__name__]

class Class(metaclass=meta(myself)): 
    FUNCTIONS = ['one', 'two']

obj = Class()
obj.method_one('one')
obj.method_two('two')