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c4b33749d2
* Update callable provider docs * Update coroutine provider docs * Edit object docs * Edit list provider docs * Edit configuration provider docs * Edit selector provider docs * Fix mypy stub of the ``DeclarativeContainer`` to specify the ``__init__`` interface * Edit Dependency provider docs
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757 B
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22 lines
757 B
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Dependency provider
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-------------------
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.. currentmodule:: dependency_injector.providers
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:py:class:`Dependency` provider is a placeholder for the dependency of the specified type.
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The first argument of the ``Dependency`` provider specifies a type of the dependency. It is
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called ``instance_of``. ``Dependency`` provider controls the type of the returned object to be an
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instance of the ``instance_of`` type.
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The ``Dependency`` provider must be overridden before usage. It can be overridden by any type of
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the provider. The only rule is that overriding provider must return an instance of ``instance_of``
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dependency type.
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.. literalinclude:: ../../examples/providers/dependency.py
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:language: python
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:lines: 3-
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:emphasize-lines: 26
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.. disqus::
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