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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
"""Example of several Dependency Injector IoC containers.
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Alternative injections definition style #2.
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"""
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import sqlite3
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import boto.s3.connection
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import example.services
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import dependency_injector.containers as containers
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import dependency_injector.providers as providers
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class Platform(containers.DeclarativeContainer):
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"""IoC container of platform service providers."""
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database = providers.Singleton(sqlite3.connect)
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database.add_args(':memory:')
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s3 = providers.Singleton(boto.s3.connection.S3Connection)
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s3.add_kwargs(aws_access_key_id='KEY',
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aws_secret_access_key='SECRET')
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class Services(containers.DeclarativeContainer):
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"""IoC container of business service providers."""
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users = providers.Factory(example.services.Users)
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users.add_kwargs(db=Platform.database)
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auth = providers.Factory(example.services.Auth)
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auth.add_kwargs(db=Platform.database,
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token_ttl=3600)
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photos = providers.Factory(example.services.Photos)
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photos.add_kwargs(db=Platform.database,
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s3=Platform.s3)
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