---
id: pyyaml
version: "6.0.3"
license: MIT
license_treatment: permissive
maintenance: active
---

# PyYAML — YAML parser and emitter for Python

License: permissive · Maintenance: active · Popularity: top 100 on PyPI

## Install

pip install pyyaml
uv add pyyaml
poetry add pyyaml

## Description

YAML is a data serialization format designed for human readability
and interaction with scripting languages.  PyYAML is a YAML parser
and emitter for Python.

PyYAML features a complete YAML 1.1 parser, Unicode support, pickle
support, capable extension API, and sensible error messages.  PyYAML
supports standard YAML tags and provides Python-specific tags that
allow to represent an arbitrary Python object.

PyYAML is applicable for a broad range of tasks from complex
configuration files to object serialization and persistence.

## AI interpretation — verify before relying

PyYAML parses and emits YAML 1.1 data serialization format with Unicode support, pickle support, and Python object serialization for configuration files and data persistence.

Verdict: PyYAML is a mature, actively maintained top-100 package with no known vulnerabilities and broad Python version support (3.8–3.14). Medium install friction from compiled extensions is offset by comprehensive platform coverage and production-stable classification.

[View on SkillFed](https://skillfed.io/packages/pyyaml) · [View on PyPI](https://pypi.org/project/pyyaml/)