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Metadata-Version: 2.1
Name: aiosignal
Version: 1.3.1
Summary: aiosignal: a list of registered asynchronous callbacks
Home-page: https://github.com/aio-libs/aiosignal
Maintainer: aiohttp team <team@aiohttp.org>
Maintainer-email: team@aiohttp.org
License: Apache 2.0
Project-URL: Chat: Gitter, https://gitter.im/aio-libs/Lobby
Project-URL: CI: GitHub Actions, https://github.com/aio-libs/aiosignal/actions
Project-URL: Coverage: codecov, https://codecov.io/github/aio-libs/aiosignal
Project-URL: Docs: RTD, https://docs.aiosignal.org
Project-URL: GitHub: issues, https://github.com/aio-libs/aiosignal/issues
Project-URL: GitHub: repo, https://github.com/aio-libs/aiosignal
Classifier: License :: OSI Approved :: Apache Software License
Classifier: Intended Audience :: Developers
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Development Status :: 5 - Production/Stable
Classifier: Operating System :: POSIX
Classifier: Operating System :: MacOS :: MacOS X
Classifier: Operating System :: Microsoft :: Windows
Classifier: Framework :: AsyncIO
Requires-Python: >=3.7
Description-Content-Type: text/x-rst
License-File: LICENSE
Requires-Dist: frozenlist (>=1.1.0)
=========
aiosignal
=========
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:alt: Latest PyPI package version
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:target: https://aiosignal.readthedocs.io/
:alt: Latest Read The Docs
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Introduction
============
A project to manage callbacks in `asyncio` projects.
``Signal`` is a list of registered asynchronous callbacks.
The signal's life-cycle has two stages: after creation its content
could be filled by using standard list operations: ``sig.append()``
etc.
After you call ``sig.freeze()`` the signal is *frozen*: adding, removing
and dropping callbacks is forbidden.
The only available operation is calling the previously registered
callbacks by using ``await sig.send(data)``.
For concrete usage examples see the `Signals
<https://docs.aiohttp.org/en/stable/web_advanced.html#aiohttp-web-signals>
section of the `Web Server Advanced
<https://docs.aiohttp.org/en/stable/web_advanced.html>` chapter of the `aiohttp
documentation`_.
Installation
------------
::
$ pip install aiosignal
The library requires Python 3.6 or newer.
Documentation
=============
https://aiosignal.readthedocs.io/
Communication channels
======================
*gitter chat* https://gitter.im/aio-libs/Lobby
Requirements
============
- Python >= 3.6
- frozenlist >= 1.0.0
License
=======
``aiosignal`` is offered under the Apache 2 license.
Source code
===========
The project is hosted on GitHub_
Please file an issue in the `bug tracker
<https://github.com/aio-libs/aiosignal/issues>`_ if you have found a bug
or have some suggestions to improve the library.
.. _GitHub: https://github.com/aio-libs/aiosignal
.. _aiohttp documentation: https://docs.aiohttp.org/