Project Summary
Tenacity is an Apache 2.0 licensed general-purpose retrying library, written in Python, to simplify the task of adding retry behavior to just about anything. It originates from a fork of retrying.
Features:
- Generic Decorator API
- Specify stop condition (i.e. limit by number of attempts)
- Specify wait condition (i.e. exponential backoff sleeping between attempts)
- Customize retrying on Exceptions
- Customize retrying on expected returned result
- Retry on coroutines
In a Nutshell, tenacity library...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 1 years of effort (COCOMO model)
starting with its first commit in January, 2013
ending with its most recent commit 15 days ago
Quick Reference
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummarySep 26 2026 — Oct 26 2026
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12 Month SummaryOct 26 2025 — Oct 26 2026
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