pyasynchat
Make asynchat available for Python 3.12 onwards
Decision gist · record as of 2026-08-14
Yes, if you have existing code that depends on asynchat and cannot immediately refactor. The package is stable with no known vulnerabilities, but understand it is not maintained and asynchat itself is deprecated. Install only as a temporary compatibility bridge, not for new projects.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Intended for Python 3.12 or later; on earlier versions the standard library version will be used instead.
- Low install friction with a single runtime dependency (pyasyncore).
- Maintenance is aging—the package is intentionally not maintained beyond packaging updates, as the underlying code is no longer supported by Python core.
License · maintenance · safety
permissive license (permissive) — Licensed under Python Software Foundation License Version 2, a permissive license. No restrictions on use, modification, or distribution for most purposes.
last release 2026-01-05 (221 days) · last repo commit 2026-01-05 · 3 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 824,832 downloads/mo, #4,962 on PyPI
Alternatives
Verify before relying
pip install pyasynchat
import asynchat
class MyHandler(asynchat.async_chat):
pass- Whether pyasyncore (the single runtime dependency) itself is maintained or carries known issues.
- How well the module's behavior is preserved across Python 3.12, 3.13, and 3.14 in practice.
- Whether deprecation warnings in Python 3.10 and 3.11 can be effectively suppressed when using this package.
What it is and what it does
This package restores the asynchat module for Python 3.12 and later, where it was removed from the standard library. The module is taken directly from Python 3.9's standard library—the last version before deprecation warnings were added—and depends on pyasyncore. It is a compatibility shim for existing code that relies on asynchat without needing major refactoring.
The package is explicitly not maintained beyond packaging updates, since asynchat itself is no longer supported by Python core development. For Python 3.10–3.11, installing this package will not remove deprecation warnings; the warnings module must be used to suppress them.
Use it for
- Running existing code that depends on asynchat when upgrading to Python 3.12 or later.
- Providing a stable, frozen version of asynchat for projects during migration planning.
- Avoiding import errors in codebases that use asynchat on Python 3.12+.
- Temporary bridge for legacy systems while planning longer-term architectural changes.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you have existing code that depends on asynchat and cannot immediately refactor.
The package is stable with no known vulnerabilities, but understand it is not maintained and asynchat itself is deprecated. Install only as a temporary compatibility bridge, not for new projects.
Install
pyasynchat on PyPI
Before you install
Low install friction with a single runtime dependency (pyasyncore). Maintenance is aging—the package is intentionally not maintained beyond packaging updates, as the underlying code is no longer supported by Python core.
Intended for Python 3.12 or later; on earlier versions the standard library version will be used instead.
License in practice
Licensed under Python Software Foundation License Version 2, a permissive license. No restrictions on use, modification, or distribution for most purposes.
Quickstart
pip install pyasynchat
import asynchat
class MyHandler(asynchat.async_chat):
passVerify before relying
- Whether pyasyncore (the single runtime dependency) itself is maintained or carries known issues.
- How well the module's behavior is preserved across Python 3.12, 3.13, and 3.14 in practice.
- Whether deprecation warnings in Python 3.10 and 3.11 can be effectively suppressed when using this package.
Package facts
| License | permissive license permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagepyasyncore |
| Maintenance | Aging 221 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 824,832 / month, #4,962 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableLicense :: OSI Approved :: Python Software Foundation LicenseProgramming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Software Development :: Libraries |
Evidence: pyasynchat-1.0.5-py3-none-any.whl
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See also pyasyncore · contextlib2 · pickle5 · legacy-cgi · asyncio · importlib · channels · packaging-legacy · standard-telnetlib · standard-chunk