Load .json server configuration sublime text style

config.py

# imports the settings from the config files

import json

"""
EXAMPLE:
.json
    postgres {
        database : ..
    }

.py
    from config import Config
    config = Config()
    config.postgres["database"]
"""


class Config:
    def __init__(self):
        data = json.load(open("config_default.json"))
        data_user = json.load(open("config_user.json"))
        data = check_user_config(data, data_user)
        self.__dict__ = data
        # TODO add debug to config and assign it to __debug__ variable
        if __debug__:
            print("Active configuration:")
            print(data)


def check_user_config(config_dict, user_dict):
    """recursively check if config_user has other values than config_default and override the latter

    Args:
        - config_dict (dict): original default configs as dict
        - user_dict (dict): user configs which contain the only the settings which should be overridden

    Returns:
        - dict: the usable config data

    """
    for key, value in config_dict.items():
        # recursive call if value is a dict itself
        if isinstance(value, dict):
            if key in user_dict.keys():
                check_user_config(value, user_dict[key])
            else:
                # no neeed to further go down the tree if keys dont match
                pass
        else:
            if key in user_dict:
                # if keys match go with the value of data_user
                config_dict[key] = user_dict[key]

    return config_dict