import requests


def post_data(field, keys, value):
    db = 'news'
    influx_host = 'http://localhost:8086/write?db=%s' % db
    headers = {'Content-Type': 'application/octet-stream'}
    tmpkeys = ",".join(["%s=%s" % (k, v) for k, v in keys.items()])
    if len(keys) > 0:
        data = "%s,%s %s" % (field, tmpkeys, value)
    else:
        data = "%s %s" % (field, value)
    print(data)
    try:
        ret = requests.post(influx_host, data=data, headers=headers)
        if ret.status_code // 100 != 2:
            print(ret.status_code)
            print(ret.text)
            print(data, "failed!!")
    except Exception as e:
        pass