import hashlib
import json
import requests
from requests_futures.sessions import FuturesSession


class Helper(object):
    @staticmethod
    def async_post(url, params):
        try:
            fs_session = FuturesSession()
            data = fs_session.post(url, data={"data": json.dumps(params), "token": "02S0wW15643928255d3ebd790ce04"}, timeout=30).result()
            if data:
                return data.content.decode('utf-8')
        except requests.exceptions.RequestException as e:
            print(e)

    @staticmethod
    def genearte_MD5(params):
        # 创建md5对象
        hl = hashlib.md5()
        hl.update(params.encode(encoding='utf-8'))
        return hl.hexdigest()