{"categories":[{"label":"Logging","url":"https://skillfed.io/packages/category/system-logging"}],"enrichment":{"capability":"Eliot is a structured logging system that outputs causal chains of actions, showing what happened in your application and why, rather than isolated log lines.","skillfed_tags":["structured-logging","distributed-tracing","debugging"],"use_cases":["Pinpoint performance bottlenecks by tracing causal chains of actions and their timing.","Debug complex failures in distributed systems by following the action chain from request to error.","Correlate user actions across services using Eliot's task UUID in logs sent to monitoring systems.","Instrument scientific computing workflows with NumPy and Dask to understand computation flow.","Trace async coroutine execution in asyncio or Trio to understand concurrency issues."],"what_it_does":"Eliot replaces Python's standard logging model with a causal-chain approach: instead of isolated log lines, it records actions that spawn other actions, ultimately succeeding or failing. This lets you trace the story of what your application did\u2014not just what happened, but why it happened and what caused each decision or failure.\n\nThe package is designed for single-process logging, distributed tracing across systems, and scientific computing with built-in support for NumPy and Dask. It also integrates with asyncio, Trio, and Twisted for coroutine and networking contexts. For multi-machine deployments, you typically pair it with external aggregation tools to store and query logs.","worth_installing":"Yes. Eliot is actively maintained, has low install friction, carries no known vulnerabilities, and solves a real problem\u2014standard logging cannot answer causal questions. It's well-suited for debugging complex systems and distributed tracing. The Apache 2.0 license is permissive. Install it if you need to understand not just what happened, but why."},"id":"eliot","links":{"html":"https://skillfed.io/packages/eliot","md":"https://skillfed.io/packages/eliot.md","pypi":"https://pypi.org/project/eliot/"},"maintenance":{"status":"active"},"meta":{"latest_release":"2026-05-07","license_spdx":null,"license_treatment":"permissive","name":"eliot","python_support":"supports_current","summary":"Logging library that tells you why it happened"},"popularity":{"monthly_downloads":94708,"position":13312,"tier":"top_15000"},"security":{"n_vulnerabilities":0},"version":"1.18.0"}