Adds Injector support to Flask.
Project description
Adds Injector support to Flask.
Injector is a dependency-injection framework for Python, inspired by Guice.
Here’s a pseudo-example:
import sqlite3
from flask.ext.injector import Builder, route
from injector import inject
@route("/bar")
def bar():
return render("bar.html")
# Route with injection
@route("/foo")
@inject(db=sqlite3.Connection)
def foo(db):
users = db.execute('SELECT * FROM users').all()
return render("foo.html")
# Class-based view with injection
@route('/waz')
class Waz(object):
@inject(db=sqlite3.Connection)
def __init__(self, db):
self.db = db
@route("/waz")
def waz(self):
users = db.execute('SELECT * FROM users').all()
return 'waz'
def configure(binder):
config = binder.injector.get(Config)
binder.bind(
sqlite3.Connection,
to=sqlite3.Connection(config['DB_CONNECTION_STRING']),
scope=request,
)
def main():
views = [foo, bar, Waz]
modules = [configure]
app = Builder(views, modules, config={
'DB_CONNECTION_STRING': ':memory:',
}).build()
app.run()
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