Get the deep layer value of dict.

get_dict_val.py

def get_dict_val(keys, dic, spliter='.'):
    """
    get deep value of dict

    etc:
        get_dict_val('a.b.c', {'a':{'b':{'c':123}}})  # 123
        
    @keys: dict key list
    @dic: dict object
    @spliter: keys spliter default is '.' 
    """
    if spliter in keys:
        tmp = keys.split(spliter)
        cur = dic.get(tmp[0])
        if isinstance(cur, dict):
            return get_dict_val(spliter.join(tmp[1:]), cur, spliter)
        else:
            return None
    else:
        return dic.get(keys)