# Using class expressions for declarative programming in python
import traceback
import inspect


classes = {}

def route(path, func, *methods):
    clsname = inspect.currentframe().f_back.f_code.co_name
    classes.setdefault(clsname, []).extend([path, func, *methods])


def foo():
    pass

class Routes:
    # When this run Routes class doesn't exists yet
    route('/foo', foo, 'POST', 'GET')

print(classes)