Fault Tolerance Python Packages

torchft-nightly

Fault tolerance for PyTorch (HSDP, LocalSGD, DiLoCo, Streaming DiLoCo)

pysyncobj

A library for replicating your python class between multiple servers, based on raft protocol

pyresilience

Unified resilience patterns for Python — retry, circuit breaker, timeout, fallback, bulkhead, rate limiter, and cache in one decorator. Python's Resilience4j.

relinker

Production-ready Python retry library with sync and async support, exponential backoff, jitter, retry budgets, HTTP helpers, observability, diagnostics, and zero runtime dependencies.

layernav-android

自动化层级导航框架，基于 安卓ADB，自带页面校验、自动后退、故障冷恢复，专为 App 采集 & UI 自动化打造。

pytryagain

A lightweight, zero-dependency retry decorator for sync and async Python functions.

sentinel-coordination

PostgreSQL-backed execution coordination primitive for correctness-sensitive distributed work.

safe-state

Resumable execution for Python. One decorator. Zero retry loops.

redress

Policy-driven failure handling for Python services.

tsugi-mend

tsugiai-mend-sdk. Maximum-uplift cross-rack distributed-training reducer built on Decoupled DiLoCo + DES-LOC + async tensor parallelism + FALCON fail-slow mitigation. Patent-independent by deliberate construction; see LICENSE preamble.

ai2070-l0

L0: The Missing Reliability Substrate for AI. Streaming-first. Reliable. Replayable. Deterministic. Multimodal. Retries. Continuation. Fallbacks (provider & model). Consensus. Parallelization. Guardrails. Atomic event logs. Byte-for-byte replays.

rotapool

Generic async resource pool with rotation, cooldown, and retry

git-pulsar

Out-of-band, fault-tolerant Git state capture for distributed development.

okerrclient

Okerr hybrid (host/network) monitoring system with remote network checks, email/Telegram alerts and DynDNS fault-tolerance feature.

interlock-cb

A modern circuit breaker for Python: sync + async, sliding-window rate, slow-call detection, type-safe API.

aioresilience

Async resilience patterns for Python - Circuit breakers, rate limiting, and more

phi-accrual-failure-detector

Phi φ Accrual Failure Detector implementation in Python, see: https://samueleresca.net/detecting-node-failures-and-the-phi-accrual-failure-detector/

bobocep

A fault-tolerant Complex Event Processing engine designed for edge computing in Internet of Things systems.

torchft

Fault tolerance for PyTorch (HSDP, LocalSGD, DiLoCo, Streaming DiLoCo)

dkron

Command line interface client and python library for Dkron

hydrastream

Concurrent HTTP downloader with in-memory stream reordering (httpx + uvloop).

kar

KAR: A Runtime for the Hybrid Cloud

python-smart-retry

A universal smart retry library for Python (sync + async)

geo-cache-client

A geo distributed cache