yizhang7210/liang

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1010 stars · 89 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Liang is a Python library for specifying non-functional requirements like latency thresholds directly in function interfaces via decorators. It enforces or monitors latency budgets, raising timeouts or logging warnings through configurable handlers and measurers.

Use cases

• enforce a function completes within a time threshold
• log warnings when a function exceeds its latency budget
• track percentile latency across repeated function runs
• attach custom failure handlers to performance violations
• make performance requirements part of the code interface

When to choose

• you want latency SLAs enforced or monitored at the function level in Python
• you need timeout guarantees for potentially slow functions
• you want percentile-based latency tracking with custom handlers

When to avoid

• you need full application performance monitoring or distributed tracing
• your project is not in Python
• you need actively maintained tooling - the last release was 2021

Facets

library · maturity maintenance

monitoring logging testing benchmarking developer-tools performance python cross-platform non-functional-requirements decorators latency-enforcement sla python3 python

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