一个酷酷的flask应用。

主要用到蓝图.

# -*- coding: utf-8 -*-
from flask import Flask,flash,request,render_template,jsonify,session,redirect,url_for,send_from_directory
import logging

#建立【logger】
logger = logging.getLogger("app_log")
#logger.setLevel(log_level)
#建立【格式串】
fmter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
#建立【文件句柄】并分别设置级别
hdlr = logging.FileHandler("/home/app/logs/daily.log")
#filehandler.setLevel(logging.ERROR)
#【文件句柄】和【流句柄】使用【格式串】
hdlr.setFormatter(fmt=fmter)
#【logger】连接【句柄】
logger.addHandler(hdlr=hdlr)
logger.setLevel(logging.INFO)
logger.critical('app has been restarted')
app = Flask(__name__)
app.secret_key='\xf1\x92Y\xdf\x8ejY\x04\x96\xb4V\x88\xfb\xfc\xb5\x18F\xa3\xee\xb9\xb9t\x04\xf0\x96'
app. config['SECRET_KEY'] = 'what_does_app_major_in'
app.config.from_object(__name__)

  #**********************************蓝图注册********************************#
  app.register_blueprint(detail.api)

  #**********************************蓝图注册_end********************************#

b

@app.before_request
    def before_request():
        session.permanent = True
        app.permanent_session_lifetime = timedelta(days=30)
        url_after = request.environ['PATH_INFO']
        allow_list = ['login','static','api']
        path_list = filter(lambda x: x in url_after,allow_list)
        if not path_list:
            if 'username' not in session or session['username'] == '':
                return redirect(url_for('login'))
            else:
                loginname = "admin"
                ip_dizhi = request.remote_addr
                #记录登录信息    
                logger.info("User's name is %s,ip is %s,visit %s" % (loginname,ip_dizhi,url_after))

c

@app.errorhandler(404)
    def page_not_found(error):
        logger.error('page not find')
        return render_template('page_not_found.html'), 404

d

@app.route('/', methods=['GET', 'POST'])
    def jump2summary():
        return redirect(url_for('summary'))
@app.route("/login",methods=["POST","GET"])
    def login():
        if request.method=='POST':
            post_usr=request.form['username']
            post_psd=request.form['password']
            if not os.path.isfile(pwd_filename):
                os.mknod(pwd_filename)
                with open(pwd_filename, 'w') as f:
                    new_pwd = protected('admin')
                    f.write(new_pwd)
            with open(pwd_filename, 'r') as f:
                tmp_pwd = f.read()
            if post_usr == 'admin' and protected(post_psd) == tmp_pwd:
                session['username'] = post_usr
                session['password'] = post_psd
                logger.fatal('success login in')
                return redirect(url_for('summary'))
            else:
                return "(账号密码错误)"
        return render_template('login.html')