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A Server-Sent Event python client base on aiohttp

Project description

SSE Client Documentation Status Updates

A Server-Sent Event python client base on aiohttp, provides a simple interface to process Server-Sent Event.


  • Full asyncio support

  • Easy to integrate with other aiohttp based project

  • Auto-reconnect for network issue

  • Support python 3.6 and above


from aiohttp_sse_client import client as sse_client

async with sse_client.EventSource(
) as event_source:
        async for event in event_source:
    except ConnectionError:


This project was inspired by aiosseclient, sseclient, and sseclient-py.

This package was created with Cookiecutter and the audreyr/cookiecutter-pypackage project template.


0.2.1 (2021-02-27)

  • Allow sending request with different HTTP methods (by @paulefoe)

  • Migrate to GitHub Actions

0.2.0 (2020-10-20)

Breaking Changes

  • Drop Python 3.5 support

  • Add Python 3.8 support

Non functional changes

  • Clarify the license (Apache Software License 2.0), thanks @fabaff

  • Update dependency packages

0.1.7 (2020-03-30)

  • Allow passing kwargs without specifying headers

0.1.6 (2019-08-06)

  • Fix Unicode NULL handling in event id field

0.1.5 (2019-08-06)

  • Fix last id reconnection (by @Ronserruya)

0.1.4 (2018-10-04)

  • Switch to Apache Software License 2.0

0.1.3 (2018-10-03)

  • Change the error handling, better fit the live specification.

0.1.2 (2018-10-03)

  • Implement auto-reconnect feature.

0.1.1 (2018-10-02)

  • First release on PyPI.

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