import os
from flask import Flask
from flask_cors import CORS


def create_app(config=None) -> Flask:
    print('创建App')
    # create and configure the app
    app = Flask(__name__, instance_relative_config=True)

    app.config.from_mapping(
        SECRET_KEY='dev',
        # DA

{
    "python.linting.mypyEnabled": true
}

select `user`.id as user_id, `user`.username as 用户名, `role`.name as 角色, `power`.name as 权限
from `user`  
    left join (`user

from django.shortcuts import render
from django.http import StreamingHttpResponse
# Create your views here.

def index(request):
    return render(request, 'index.html')

def upload(request):
    res = StreamingHttpResponse(open('/home/ouzijun/ouzijun/Django_postgresSQL/django_p

查询是否开启
SHOW VARIABLES LIKE ‘slow_query%’;

查询超时时间
SHOW VARIABLES LIKE ‘long_query_time%’;

[mysqld]
show_query_log=on/off  # 开启或关闭
log-slow-queries=dir/filename
long_query_time=n       # 忍耐时间
log_ou

from functools import wraps

def ex(get_response):
    @wraps(get_response)
    def inner(request):
        try:
            print('wraps-request')
            response = get_response(request)
        except 

class A:
    def __getattr__(self, name):
        print('getting')
        raise AttributeError

o = A()
print(o.test)

class A:
    def __init__(self):
        self.data = 'abc'
        self.counter = 0

    def