mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-27 20:13:59 +03:00
38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
"""Example of several Dependency Injector IoC containers.
|
|
|
|
Alternative injections definition style #2.
|
|
"""
|
|
|
|
import sqlite3
|
|
import boto.s3.connection
|
|
import example.services
|
|
|
|
from dependency_injector import containers
|
|
from dependency_injector import providers
|
|
|
|
|
|
class Platform(containers.DeclarativeContainer):
|
|
"""Container of platform service providers."""
|
|
|
|
database = providers.Singleton(sqlite3.connect)
|
|
database.add_args(':memory:')
|
|
|
|
s3 = providers.Singleton(boto.s3.connection.S3Connection)
|
|
s3.add_kwargs(aws_access_key_id='KEY',
|
|
aws_secret_access_key='SECRET')
|
|
|
|
|
|
class Services(containers.DeclarativeContainer):
|
|
"""Container of business service providers."""
|
|
|
|
users = providers.Factory(example.services.Users)
|
|
users.add_kwargs(db=Platform.database)
|
|
|
|
photos = providers.Factory(example.services.Photos)
|
|
photos.add_kwargs(db=Platform.database,
|
|
s3=Platform.s3)
|
|
|
|
auth = providers.Factory(example.services.Auth)
|
|
auth.add_kwargs(db=Platform.database,
|
|
token_ttl=3600)
|