import random
import time


def get_uid():
    return hex(int(time.time() * 10 ** 7) + random.randint(0, 10000))[2:]


# 获取筛选条件的包含关系
def get_bijiao(bijiao):
    if bijiao == '==' or bijiao == 'in' or bijiao == 'like' or bijiao == 'is not null':
        return "IN"
    elif bijiao == '!=' or bijiao == 'not like' or bijiao == 'is null':
        return 'NOT LIKE'


# 判断传入的数据类型
def estimate_data(data_type):
    if data_type == 'int':
        return "Nullable(Int64)"
    elif data_type == 'ip':
        return "Nullable(DateTime('UTC'))"
    else:
        return "Nullable(String)"
#将字典变成字符串
def dict_to_str(dic):
    c = str()
    b = 0
    for k, v in dic.items():
        b += 1
        if b == 1:
            c += "{\"%s\":\"%s\"," % (k, v)
        elif b != len(dic):
            c += "\"%s\":\"%s\"," % (k, v)
        else:
            c += "\"%s\":\"%s\"}" % (k, v)
    return c