standard-sunau
Standard library sunau redistribution. "dead battery".
Decision gist · record as of 2026-08-14
Yes, if your project depends on sunau and you need to run on Python 3.13 or later. Install it as a drop-in replacement with no code changes required. The low install friction, permissive license, and zero known vulnerabilities make it a straightforward compatibility fix. Do not install if you are starting a new project or can migrate to a modern audio library.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with a single lightweight dependency.
- Maintenance is dormant with the last release on 2024-10-30, but the package is not archived; no active development is expected for a frozen standard library module.
License · maintenance · safety
PSF-2.0 (permissive) — Licensed under PSF-2.0 (permissive), matching the original Python standard library license, so there are no licensing barriers to using this package in most projects.
last release 2024-10-30 (653 days) · last repo commit 2025-01-27 · 37 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,530,341 downloads/mo, #3,808 on PyPI
Alternatives
Verify before relying
pip install standard-sunau
import sunau
with sunau.open('file.au', 'rb') as f:
params = f.getparams()
frames = f.readframes(params[3])- Whether the package works correctly on all Python versions after 3.13 (requires_python is unspecified)
- Whether audioop-lts is maintained and compatible with current Python releases
- Full scope of compatibility work performed beyond minimal standard library archival
What it is and what it does
This package redistributes the sunau module, which Python removed from its standard library as part of PEP 594's "dead batteries" cleanup. The sunau module reads and writes Sun audio (.au) files, a legacy audio format. It is a pure-Python archive of the original standard library code with minimal compatibility work—no new features or enhancements are planned.
If your project imports sunau and you are running Python 3.13 or later, installing standard-sunau allows that import to work without code changes. The package depends on audioop-lts, another standard library redistribution, to handle audio data operations. This is a compatibility shim for legacy codebases; new projects should consider alternative audio libraries.
Use it for
- Maintain a legacy application that reads or writes .au audio files without rewriting audio handling code
- Migrate a codebase to Python 3.13+ that previously relied on the built-in sunau module
- Provide backward compatibility for users running older code that imports sunau on newer Python versions
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if your project depends on sunau and you need to run on Python 3.13 or later.
Install it as a drop-in replacement with no code changes required. The low install friction, permissive license, and zero known vulnerabilities make it a straightforward compatibility fix. Do not install if you are starting a new project or can migrate to a modern audio library.
Install
standard-sunau on PyPI
Before you install
Low install friction with a single lightweight dependency. Maintenance is dormant with the last release on 2024-10-30, but the package is not archived; no active development is expected for a frozen standard library module.
License in practice
Licensed under PSF-2.0 (permissive), matching the original Python standard library license, so there are no licensing barriers to using this package in most projects.
Quickstart
pip install standard-sunau
import sunau
with sunau.open('file.au', 'rb') as f:
params = f.getparams()
frames = f.readframes(params[3])Verify before relying
- Whether the package works correctly on all Python versions after 3.13 (requires_python is unspecified)
- Whether audioop-lts is maintained and compatible with current Python releases
- Full scope of compatibility work performed beyond minimal standard library archival
Package facts
| License | PSF-2.0 permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageaudioop-lts |
| Maintenance | Dormant 653 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,530,341 / month, #3,808 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: Python Software Foundation LicenseProgramming Language :: Python :: 3Topic :: Software Development :: Libraries |
Evidence: standard_sunau-3.13.0-py3-none-any.whl
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See also audioop-lts · standard-aifc · standard-chunk · standard-distutils · standard-telnetlib · standard-imghdr · legacy-cgi · audioread · opuslib · sgmllib3k