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Storm <https://storm.canonical.com>
_ is a fast, small and powerful object-relational mapper.
Try it to use in web-aware applications.
WSGI application mainly miltithreaded, but Store object is not thread safe <https://storm.canonical.com/Manual#head-87f6030209535be685673b258a552728a235a594>
_.
Middlestorm middleware manage Store objects (one per thread) and add it into environ
dictonary <http://www.python.org/dev/peps/pep-0333/#environ-variables>
_.
There are 3 ways to create middleware:
Class middleware::
from wsgiref.simple_server import make_server
from storm.database import create_database
from middlestorm import MiddleStorm
def storm_app(environ, start_response):
store = environ['storm.store']
# ...
db = create_database('postgres://user:password@host/base')
app = MiddleStorm(storm_app, db)
make_server('', 8000, app).serve_forever()
Decorator middleware::
from wsgiref.simple_server import make_server
from storm.database import create_database
import middlestorm
@middlestorm.decorator(create_database('postgres://user:password@host/base'))
def storm_app(environ, start_response):
store = environ['storm.store']
# ...
make_server('', 8000, storm_app).serve_forever()
To create middleware via Paste configuration, add a stanza to the .ini file::
[filter:middlestorm]
use = middlestorm#middlestorm
db_uri = sqlite:myapp.db
and then add that filter to the Paste pipeline (again, in the .ini file)::
[pipeline:main]
pipeline =
middlestorm
myapp
By default Store placed in variable storm.store
. This can be customized::
app = MiddleStorm(storm_app, db, key='custom.mystore')
or decorator style::
@middlestorm.decorator(db, key='custom.mystore')
def storm_app(environ, start_response):
store = environ['custom.mystore']
or in the Paste configuration::
[filter:middlestorm]
use = middlestorm#middlestorm
db_uri = sqlite:myapp.db
key = myapp.store
middlestorm distributed under terms of
GNU LGPL v.2.1 <http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt>
_.
Copyright 2007 - present Vsevolod Balashov <http://vsevolod.balashov.name/>
_.
Source code of middlestorm <http://bitbucket.org/sevkin/middlestorm/>
.
Arch Linux PKGBUILD <http://aur.archlinux.org/packages.php?ID=36570>
.
FAQs
Middleware for use Storm ORM in WSGI applications
We found that middlestorm demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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