justbackoff
Simple backoff algorithm in Python
Decision gist · record as of 2026-08-14
No. The package is abandoned (last commit 2024-05-07, repository archived) with no active maintenance. While the code is simple and permissively licensed, there will be no security updates or bug fixes. For new projects, prefer an actively maintained backoff library; for existing code already using justbackoff, consider migrating if you need ongoing support.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction to install.
- However, the package is abandoned—last commit was 2024-05-07 and the repository is archived.
- No active maintenance or security updates should be expected.
License · maintenance · safety
MIT (permissive) — MIT license is permissive; you can use, modify, and distribute this package with minimal restrictions, provided you include the license notice.
last release 2020-05-02 (2295 days) · last repo commit 2024-05-07 · 4 stars · archived
0 known vulnerabilities (OSV.dev, 2026-08-14) · 80,930 downloads/mo, #14,262 on PyPI
Alternatives
Verify before relying
from justbackoff import Backoff
b = Backoff(min_ms=100, max_ms=10000, factor=2, jitter=False)
print(b.duration()) # 0.1
print(b.duration()) # 0.2
b.reset()
print(b.duration()) # 0.1- Whether the package works reliably on Python versions beyond 3.8, given the classifier list stops there and the project is no longer maintained.
What it is and what it does
justbackoff is a simple exponential backoff counter for Python. It manages retry delays by starting at a minimum duration (in milliseconds), multiplying by a factor after each call to duration(), and capping at a maximum. The counter resets on demand. Optional jitter adds randomness to avoid thundering-herd problems in concurrent retry scenarios.
The package has no runtime dependencies and is designed for straightforward integration into retry loops—particularly useful for network reconnection attempts or other transient failure handling. It is a direct port of a Go backoff library.
Use it for
- Implement exponential backoff in socket reconnection loops to handle temporary network failures gracefully.
- Add jitter to retry delays in distributed systems to prevent synchronized retry storms across multiple clients.
- Calculate progressive wait times for API rate-limit handling or database connection retries.
- Build custom retry logic for transient failures in web scraping or polling tasks.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No.
The package is abandoned (last commit 2024-05-07, repository archived) with no active maintenance. While the code is simple and permissively licensed, there will be no security updates or bug fixes. For new projects, prefer an actively maintained backoff library; for existing code already using justbackoff, consider migrating if you need ongoing support.
Install
justbackoff on PyPI
Before you install
Low friction to install. However, the package is abandoned—last commit was 2024-05-07 and the repository is archived. No active maintenance or security updates should be expected.
License in practice
MIT license is permissive; you can use, modify, and distribute this package with minimal restrictions, provided you include the license notice.
Quickstart
from justbackoff import Backoff
b = Backoff(min_ms=100, max_ms=10000, factor=2, jitter=False)
print(b.duration()) # 0.1
print(b.duration()) # 0.2
b.reset()
print(b.duration()) # 0.1Verify before relying
- Whether the package works reliably on Python versions beyond 3.8, given the classifier list stops there and the project is no longer maintained.
Package facts
| License | MIT permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Abandoned 2,295 days since the last release |
| Last repo commit | repository archived |
| First released | |
| Downloads | 80,930 / month, #14,262 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Topic :: Software Development :: Libraries :: Python Modules |
Evidence: justbackoff-0.6.0-py3-none-any.whl
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See also reretry · backoff-utils · backoff · retry2 · python-backoff · stamina · retry · python-retry · waiter · retrying