Python preprocessed decorator

api.py

class Api:

    def __init__(self):
        self.apis = []

    def register(self):
        s = self
        class Api:
            def __init__(self, func):
                self.func = func
                s.apis.append(func.__name__)
            def __call__(self, *args, **kwargs):
                self.func(*args, **kwargs)
        return Api

foo.py

import api


myapi = api.Api()

@myapi.register()
def p(s, q=None):
    print(s)
    print(q)

@myapi.register()
def b():
    print('b')

myapi2 = api.Api()

@myapi2.register()
def c():
    print('c')

print(myapi.apis)
print(myapi2.apis)
p('s', q='q')