import json
import datetime

class DateEncoder(json.JSONEncoder):

    def default(self, obj):
        if isinstance(obj,datetime.datetime):
            return obj.strftime("%Y-%m-%d %H:%M:%S")
        else:
            return json.JSONEncoder.default(self,obj)

from django.core import cache, checks
import uuid, time

class CacheLock:
    def __init__(self, expries=60, wait_timeout=0) -> None:
        '''
        expries: 锁的过期时间
        wait_timeout: 客户端设置的超时时间
        '''
        self.cache = cache
        s

import time
import uuid
from multiprocessing import Process
import redis

redis_client = redis.Redis(host='42.193.152.252', port='6379', db='0', password='Ww550076')

# 加锁
def acquire_lock(lock_name, args, acquite_timeout=30, time_out=120):
    '''

pip install djangorestframework-simplejwt

from rest_framework_simplejwt.views import (
    TokenObtainPairView,
    TokenRefreshView,
    TokenVerifyView
)

urlpatterns = [
    ...
    # 通过获取用户传过来的username.pwd, 验证通过返回refresh, access
    path('api/token/', TokenObtain

class AccountViewSet(viewsets.ModelViewSet):
    queryset = Article.objects.all()
    serializer_class = ArticleSerializers

    # 一. 重写获取queryset的方法
    def get_queryset(self):
        ...
        1. 直接获取self.queryset
        2. 判断是否是queryset类型
        3. 返回queryset

    # 二. 重写获取单个实例的方法
    

- INSTALLED_APPS = [
    ...
     'rest_framework',
    ]

urlpatterns = [
    ...
path('api-auth/', include(&

# 改良版（未测试）
FROM python:3
ENV PYTHONUNBUFFERED 1
WORKDIR /usr/src/app

RUN apt-get install default-libmysqlclient-dev -y && \
    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

COPY requirements.tx

RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple && \
  pip config set install.trusted-host mirrors.aliyun.com

pip config set global.index-url https://mirrors.aliyun.com/pypi/simple
pip config set install.trusted-host mirrors.a

pip install flask-sqlalchemy
pip install mysqlclient

from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate

db: SQLAlchemy = SQLAlchemy()
migrate = Migrate()