[英]Bottle.py session with Beaker
first time questioner here. 这是第一次提问者。
I'm currently struggling on how to use Beaker properly using the Bottle micro-framework. 我目前正在努力如何使用Bottle微框架正确使用Beaker。 Here's the problematic program: 这是有问题的程序:
#!/usr/bin/python
# -*- coding: utf-8 -*-
# filename: server.py
import bottle as app
from beaker.middleware import SessionMiddleware
session_options = {
'session.type': 'file',
'session.data_dir': './session/',
'session.auto': True,
}
app_middlware = SessionMiddleware(app.app(), session_options)
app_session = app.request.environ.get('beaker.session')
@app.route('/login')
def login():
app_session = app.request.environ.get('beaker.session')
app_session['logged_in'] = True
@app.route('/logout')
def logout():
app_session = app.request.environ.get('beaker.session')
if app_session.get('logged_in'):
app_session['logged_in'] = False
return 'You are logged out'
app.redirect('/login')
@app.route('/dashboard')
def dashboard():
app_session = app.request.environ.get('beaker.session')
if app_session.get('logged_in'):
return 'You are logged in'
app.redirect('/login')
app.debug(True)
app.run(app=app_middlware, reloader=True)
If you noticed, I keep on calling app_session = app.request.environ.get('beaker.session')
on every def
block so just it will not return an error like: TypeError: 'NoneType' object does not support item assignment
--- it seems that Python doesn't recognize variables that is outside its function (correct me if I'm wrong). 如果您注意到,我会继续在每个def
块上调用app_session = app.request.environ.get('beaker.session')
,这样就不会返回如下错误: TypeError: 'NoneType' object does not support item assignment
- - 似乎Python无法识别其功能之外的变量(如果我错了,请纠正我)。
And here are the questions: 以下是问题:
app_session = app.request.environ.get('beaker.session')
so it can be available to every def
blocks (I really need one instance since it's the same session to be checked and used). 我应该怎么做只有一个app_session = app.request.environ.get('beaker.session')
实例,所以它可以用于每个def
块(我真的需要一个实例,因为它是相同的会话要检查和用过的)。 app_session
? 如果这是唯一的方法(虽然它很丑陋),那么我应该只需要组合所有需要会话的路由,这样我就可以实现app_session
的单个实例吗? Something like: 就像是:
@app.route('/<path:re:(login|dashboard|logout)\/?>')
def url(path):
app_session = app.request.environ.get('beaker.session')
if 'login' in path:
app_session['logged_in'] = True
elif 'logout' in path:
if app_session.get('logged_in'):
# app_session.delete() it doesn't seem to work?
app_session['logged_in'] = False
return 'You are logged out'
app.redirect('/login')
elif 'dashboard' in path:
if app_session.get('logged_in'):
return 'You are logged in'
app.redirect('/login')
Using beaker
in your bottle
application is easy. 在bottle
使用beaker
很容易。 First, set up your Bottle app: 首先,设置您的Bottle应用:
import bottle
from bottle import request, route, hook
import beaker.middleware
session_opts = {
'session.type': 'file',
'session.data_dir': './session/',
'session.auto': True,
}
app = beaker.middleware.SessionMiddleware(bottle.app(), session_opts)
And later on: 后来:
bottle.run(app=app)
With this in place, every time you receive a request, your Beaker session will be available as request.environ['beaker_session']
. 有了这个,每次收到请求时,您的Beaker会话都将作为request.environ['beaker_session']
。 I usually do something like this for convenience: 为方便起见,我通常会这样做:
@hook('before_request')
def setup_request():
request.session = request.environ['beaker.session']
This arranges to run setup_request
before handling any request; 这安排在处理任何请求之前运行setup_request
; we're using the bottle.request
variable (see the earlier import statement), which is a thread-local variable with information about the current request. 我们正在使用bottle.request
变量(参见前面的import语句),它是一个线程局部变量,包含有关当前请求的信息。 From this point on, I can just refer to request.session
whenever I need it, eg: 从这一点开始,我可以随时在需要时引用request.session
,例如:
@route('/')
def index():
if 'something' in request.session:
return 'It worked!'
request.session['something'] = 1
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