# every utils that don't use torch
import hashlib
import json
import logging
import multiprocessing as mp
import os


def get_hash(s):
    m = hashlib.md5()
    m.update(s.encode('utf8'))
    return m.hexdigest()


def read_config(path):
    with open(path, 'r') as fin:
        return json.load(fin)


def init_logger(app_name):
    os.makedirs('logs', exist_ok=True)
    logger = mp.get_logger()
    logger.setLevel(logging.INFO)
    handler = logging.FileHandler('logs/%s.log' % app_name, encoding="utf8")
    handler.setFormatter(logging.Formatter('[%(asctime)s] [%(processName)s/%(levelname)s] %(message)s'))
    logger.addHandler(handler)