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929 B
ReStructuredText
30 lines
929 B
ReStructuredText
Selector providers
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.. currentmodule:: dependency_injector.providers
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:py:class:`Selector` provider selects provider based on the configuration value or other callable.
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.. literalinclude:: ../../examples/providers/selector.py
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:language: python
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:emphasize-lines: 6-10
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:lines: 3-5,14-20
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:py:class:`Selector` provider has a callable called ``selector`` and a dictionary of providers.
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The ``selector`` callable is provided as a first positional argument. It can be
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:py:class:`Configuration` provider or any other callable. It has to return a string value.
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This value is used as a key for selecting the provider from the dictionary of providers.
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The providers are provided as keyword arguments. Argument name is used as a key for
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selecting the provider.
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Full example:
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.. literalinclude:: ../../examples/providers/selector.py
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:language: python
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:emphasize-lines: 14-18
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:lines: 3-
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.. disqus::
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