sessions for aiohttp.web
Project description
aiohttp_session
The library provides sessions for aiohttp.web.
Usage
The library allows to store user-specific data into session object.
The session object has dict-like interface (operations like session[key] = value, value = session[key] etc. are present).
Before processing session in web-handler you have to register session middleware in aiohttp.web.Application.
A trivial usage example:
import asyncio
import time
from aiohttp import web
from aiohttp_session import get_session, session_middleware
from aiohttp_session.cookie_storage import EncryptedCookieStorage
@asyncio.coroutine
def handler(request):
session = yield from get_session(request)
session['last_visit'] = time.time()
return web.Response(body=b'OK')
@asyncio.coroutine
def init(loop):
app = web.Application(middlewares=[session_middleware(
EncryptedCookieStorage(b'Sixteen byte key'))])
app.router.add_route('GET', '/', handler)
srv = yield from loop.create_server(
app.make_handler(), '0.0.0.0', 8080)
return srv
loop = asyncio.get_event_loop()
loop.run_until_complete(init(loop))
try:
loop.run_forever()
except KeyboardInterrupt:
pass
All storages uses HTTP Cookie named AIOHTTP_COOKIE_SESSION for storing data.
Available session storages are:
aiohttp_session.SimpleCookieStorage() – keeps session data as plain JSON string in cookie body. Use the storage only for testing purposes, it’s very non-secure.
aiohttp_session.cookie_storage.EncryptedCookieStorage(secret_key) – stores session data into cookies as SimpleCookieStorage but encodes it via AES cipher. secrect_key is a bytes key for AES encryption/decryption, the length should be 16 bytes.
Requires PyCrypto library:
$ pip install aiohttp_session[pycrypto]
aiohttp_session.redis_storage.RedisStorage(redis_pool) – stores JSON-ed data into redis, keepeng into cookie only redis key (random UUID). redis_pool is aioredis pool object, created by yield from aioredis.create_pool(...) call.
Requires aioredis library:
$ pip install aiohttp_session[aioredis]
License
aiohttp_session is offered under the Apache 2 license.
Changes
0.1.1 (2015-04-20)
Fix #7: stop cookie name growing each time session is saved
0.1.0 (2015-04-13)
First public release
Release history Release notifications | RSS feed
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