mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-11-04 09:57:37 +03:00
3ca6dd9af1
* Implement providers traversal in first precision * Implement traversal for all providers * Update traverse interface + add some tests * Refactor tests * Add tests for callable provider * Add configuration tests * Add Factory tests * Add FactoryAggrefate tests * Add .provides attribute to singleton providers * Add singleton provider tests * Add list and dict provider tests * Add resource tests * Add Container provider tests * Add Selector provider tests * Add ProvidedInstance provider tests * Add AttributeGetter provider tests * Add ItemGetter provider tests * Add MethodCaller provider tests * Refactor container interface * Update resource provider string representation * Add .initializer attribute to Resource provider * Add docs and examples * Remove not needed EOL in the tests * Make cosmetic refactoring * Ignore flake8 line width error in traverse example
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""Container traversal example."""
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from dependency_injector import containers, providers
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def init_database():
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return ...
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def init_cache():
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return ...
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class Service:
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def __init__(self, database, cache):
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self.database = database
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self.cache = cache
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class Container(containers.DeclarativeContainer):
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config = providers.Configuration()
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service = providers.Factory(
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Service,
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database=providers.Resource(
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init_database,
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url=config.database_url,
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),
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cache=providers.Resource(
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init_cache,
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hosts=config.cache_hosts,
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),
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)
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if __name__ == '__main__':
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container = Container()
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for provider in container.traverse():
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print(provider)
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# <dependency_injector.providers.Configuration('config') at 0x10d37d200>
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# <dependency_injector.providers.Factory(<class '__main__.Service'>) at 0x10d3a2820>
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# <dependency_injector.providers.Resource(<function init_database at 0x10bd2cb80>) at 0x10d346b40>
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# <dependency_injector.providers.ConfigurationOption('config.cache_hosts') at 0x10d37d350>
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# <dependency_injector.providers.Resource(<function init_cache at 0x10be373a0>) at 0x10d346bc0>
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# <dependency_injector.providers.ConfigurationOption('config.database_url') at 0x10d37d2e0>
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