from random import randint, choices
from django.utils.timezone import now
from datetime import timedelta

import ulid, uuid

def generate_ulid():
    return str(ulid.ULID())

def generate_uuid():
    return str(uuid.uuid4())

allowed_char = ''.join(chr(i) for i in range(33, 127) if chr(i).isalnum())

def generate_code(code_len): # 코드 생성
    code = ''.join(choices(allowed_char, k=code_len))
    return code

def set_expire(minutes): # 유효기간 설정
    return now() + timedelta(minutes=minutes)