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* Add wiring (#294) * Add wiring module * Fix code style * Fix package test * Add version fix * Try spike for 3.6 * Try another fix with metaclass * Downsample required version to 3.6 * Introduce concept with annotations * Fix bugs * Add debug message * Add extra tests * Add extra debugging * Update config resolving * Remove 3.6 generic meta fix * Fix Flake8 * Add spike for 3.6 * Add Python 3.6 spike * Add unwire functionality * Add support of corouting functions * Bump version to 4.0 * Updaet demo example * Add pydocstyle ignore for demo * Add flake8 ignore for demo * Update aiohttp example * Update flask example * Rename aiohttp example directory * Rename views module to handlers in aiohttp example * Add sanic example * Remove not needed images * Update demo * Implement wiring for Provide[foo.provider] * Implement Provide[foo.provided.bar.baz.call()] * Make flake8 happy * Wiring refactoring (#296) * Refactor wiring * Add todos to wiring * Implement wiring of config invariant * Implement sub containers wiring + add tests * Add test for wiring config invariant * Add container.unwire() typing stub * Deprecate ext package modules and remove types module * Deprecate provider.delegate() method * Add __all__ for wiring module * Add protection for wiring only declarative container instances * Bump version to 4.0.0a2 * Add wiring docs * Add wiring of class methods * Remove unused import * Add a note on individuals import to wiring docs * Add minor improvement to wiring doc * Update DI in Python page * Update key features * Update README concep and FAQ * Add files via upload * Update README.rst * Update README.rst * Update README.rst * Update docs index page * Update README * Remove API docs for flask and aiohttp ext * Add wiring API docs * Update docs index * Update README * Update readme and docs index * Change wording in README * Django example (#297) * Add rough django example * Remove sqlite db * Add gitignore * Fix flake8 and pydocstyle errors * Add tests * Refactor settings * Move web app to to the root of the project * Add bootstrap 4 * Add doc blocks for web app * Add coverage * Fix typo in flask * Remove not needed newlines * Add screenshot * Update django app naming * Add django example to the docs * Update changelog * Update Aiohttp example * Add sanic example to the docs * Make a little fix in django example docs page * Add flask example to the docs * Add aiohttp example to the docs * Update installation docs page * Fix .delegate() deprecation * Refactor movie lister to use wiring * Make micro cosmetic changes to flask, aiohttp & sanic examples * Refactor single container example to use wiring * Refactor multiple container example to use wiring * Add return type to main() in application examples * Refactor decoupled packages example to use wiring * Refactor code layout for DI demo example * Update wiring feature message * Add more links to the examples * Change code layout in miniapps * Update sanic example * Update miniapp READMEs * Update wiring docs * Refactor part of cli tutorial * Refactor CLI app tutorial * Update test coverage results in movie lister example and tutorial * Make some minor updates to aiohttp and cli tutorials * Refactor flask tutorial * Make cosmetic fix in flask example * Refactor Flask tutorial: Connect to the GitHub * Refactor Flask tutorial: Search service * Refactor Flask tutorial: Inject search service into view * Refactor Flask tutorial: Make some refactoring * Finish flask tutorial refactoring * Update tutorials * Refactor asyncio monitoring daemon example application * Fix tutorial links * Rename asyncio miniapp * Rename tutorial image dirs * Rename api docs tol-level page * Refactor initial sections of asyncio daemon tutorial * Refactor asyncio tutorial till Example.com monitor section * Refactor asyncio tutorial example.com monitor section * Refactor asyncio tutorial httpbin.org monitor tutorial * Refactor tests section of asyncio daemon tutorial * Update conclusion of asyncio daemon tutorial * Rename tutorial images * Make cosmetic update to flask tutorial * Refactor aiohttp tutorial: Minimal application section * Refactor aiohttp tutorial: Giphy API client secion * Refactor aiohttp tutorial secion: Make the search work * Refactor aiohttp tutorial tests section * Refactor aiohttp tutorial conclusion * Upgrade Cython to 0.29.21 * Update changelog * Update demo example * Update wording on index pages * Update changelog * Update code layout for main demo
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1.7 KiB
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40 lines
1.7 KiB
ReStructuredText
.. _key-features:
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Key features
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------------
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.. meta::
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:keywords: Python,DI,Dependency injection,IoC,Inversion of Control
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:description: This article describes key features of the Dependency Injector
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framework.
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Key features of the ``Dependency Injector``:
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- **Providers**. Provides ``Factory``, ``Singleton``, ``Callable``, ``Coroutine``, ``Object``,
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``List``, ``Configuration``, ``Dependency`` and ``Selector`` providers that help assembling your
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objects. See :ref:`providers`.
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- **Overriding**. Can override any provider by another provider on the fly. This helps in testing
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and configuring dev / stage environment to replace API clients with stubs etc. See
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:ref:`provider-overriding`.
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- **Configuration**. Read configuration from ``yaml`` & ``ini`` files, environment variables
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and dictionaries. See :ref:`configuration-provider`.
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- **Containers**. Provides declarative and dynamic containers. See :ref:`containers`.
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- **Wiring**. Injects dependencies into functions and methods. Helps integrating with
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other frameworks: Django, Flask, Aiohttp, etc. See :ref:`wiring`.
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- **Typing**. Provides typing stubs, ``mypy``-friendly. See :ref:`provider-typing`.
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- **Performance**. Fast. Written in ``Cython``.
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- **Maturity**. Mature and production-ready. Well-tested, documented and supported.
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The framework stands on the `PEP20 (The Zen of Python) <https://www.python.org/dev/peps/pep-0020/>`_ principle:
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.. code-block:: plain
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Explicit is better than implicit
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You need to specify how to assemble and where to inject the dependencies explicitly.
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The power of the framework is in a simplicity.
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``Dependency Injector`` is a simple tool for the powerful concept.
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.. disqus::
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