flask请求管道

请求管道，登录前的验证，否则重定向到登录页面。

 # coding: utf8
 from flask import render_template, request, g, session, redirect, url_for, jsonify
 from pycode import app
 from master.menu import get_master_menu

 @app.before_request
 def before_request():
     g.menu1 = [('index', 'WMS'), ('master', '基础'), ('inbound', '入库'), ('outbound', '出库'), ('inventory', '库存')]
     user = session.get('user', None)
     if 'master' in request.path:
         g.submenu = get_master_menu()
     if user is None and request.endpoint != 'index' and request.endpoint != 'login' and request.endpoint != 'static':
         return redirect(url_for('index'))