---
id: toml-fmt-common
version: "1.3.5"
license: MIT
license_treatment: permissive
maintenance: active
---

# toml-fmt-common — Common logic to the TOML formatter.

License: permissive · Maintenance: active · Downloads: 549.7K/mo

## What it is and what it does

toml-fmt-common is a shared library that contains common Python code used across the toml-fmt formatter project. It is designed as an internal component of the toml-fmt umbrella and provides reusable utilities and logic for TOML formatting operations. The package depends only on tomli for TOML parsing support.

This is a library component rather than a standalone tool. It is intended to be used as a dependency by other formatters within the toml-fmt project rather than directly by end users. The package is actively maintained, supports Python 3.10 through 3.14, and carries an MIT license with no known security vulnerabilities.

Use it for:

- Building custom TOML formatters as part of the toml-fmt ecosystem
- Sharing common formatting logic across multiple toml-fmt tools
- Accessing standardized TOML parsing and formatting utilities within toml-fmt projects

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Provides shared Python utilities and logic for TOML formatting tools within the toml-fmt project ecosystem.

Install only if you are developing a formatter within the toml-fmt project ecosystem. This is a library component designed for internal use, not a standalone tool. If you need TOML formatting, use one of the toml-fmt formatters that depend on this package instead.

## Install

pip install toml-fmt-common
uv add toml-fmt-common
poetry add toml-fmt-common

## Installing toml-fmt-common

Before you install: Low install friction with a single lightweight dependency (tomli). Actively maintained as of 2026-08-12 with recent releases, though this is a library component meant primarily for internal use within the toml-fmt umbrella.

License in practice: MIT license permits free use, modification, and distribution with minimal restrictions, making it suitable for both open-source and commercial projects.

Quickstart:

pip install toml-fmt-common

from toml_fmt_common import <function_or_class>
# Use shared formatting utilities provided by the library

Requires Python 3.10 or later; designed as a library for toml-fmt formatters rather than standalone use.

Verify before relying:

- Specific public API surface and which functions/classes are intended for external use versus internal-only
- Whether this package is meant to be used directly by end users or only as a dependency of other toml-fmt tools

## Package facts

- License: MIT (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 549.7K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

toml formatter shared library, toml-fmt common utilities, toml formatting helpers, shared toml formatting code, toml formatter components, toml-formatting, shared-library

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