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45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
"""Example of several Dependency Injector IoC containers."""
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import sqlite3
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import boto.s3.connection
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import example.main
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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, ':memory:')
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s3 = providers.Singleton(boto.s3.connection.S3Connection,
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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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db=Platform.database)
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auth = providers.Factory(example.services.Auth,
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db=Platform.database,
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token_ttl=3600)
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photos = providers.Factory(example.services.Photos,
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db=Platform.database,
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s3=Platform.s3)
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class Application(containers.DeclarativeContainer):
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"""IoC container of application component providers."""
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main = providers.Callable(example.main.main,
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users_service=Services.users,
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auth_service=Services.auth,
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photos_service=Services.photos)
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