service.py

import sys
import os
sys.path.insert(0, os.path.abspath(".."))

from config import ConfigDict, global_config


global_services = {}

def register_service(name):
    global services
    def wrap(c):
        if name in global_config.services:
            # create service using global_config
            s = c(global_config.services[name])
        else:
            # create service without config
            s = c()
        global_services[name] = s
        return c
    return wrap

    
class Service(object):
    
    def __init__(self, config=ConfigDict()):
        if type(config) is dict:
            config = ConfigDict(**config)
        elif type(config) is not ConfigDict \
        and not issubclass(type(config), ConfigDict):
            raise TypeError("config must be dict or ConfigDict")
            
        self.config = config