fmf

library1.7.0pypypi✓ verified 90d ago

fmf (Flexible Metadata Format) is a file format designed for storing and sharing metadata using a human-friendly Yet Another Markup Language (YAML)-like syntax. Version 1.7.0, released occasionally.

serialization data

pip install fmf

github ↗package ↗docs ↗

INSTALL

IMPORT

SIG · FMF

fmf

serializationpythonv1.7.0

Install

2.9s avg

Import

516ms

Disk

21MB

Pass rate

10/ 10

Env Coverage10 / 10

glibc

3.9–3.13

musl

3.9–3.13

Install & Compatibility

Where this runs

tested against v1.7.0 · pip install

no network on importno background threads

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

py 3.10–3.95 runs

installs and imports cleanly · install 0.0s · import 0.532s · 23.2MB

glibc

py 3.10–3.95 runs

installs and imports cleanly · install 2.9s · import 0.500s · 23MB

21MB installed

● package 21MB

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Tree

✓ import fmf

The main class is accessed via fmf.Tree; no submodule needed.

Load a metadata tree from a directory.

import fmf tree = fmf.Tree('path/to/metadata') print(tree.name)

fmf --version

Debug

Known issues

gotchafmf.Tree expects a directory, not a file. Using a file path will raise fmf.utils.FmfException.

fix

Pass a directory containing metadata YAML files.

affects: all

breakingfmf 1.7.0 requires Python >=3.9. Older Python versions will fail to install.

fix

Use Python 3.9 or later.

affects: 1.7.0

Errors

Common errors & fixes

ModuleNotFoundError: No module named 'fmf'

fmf is not installed or not in the Python path.

fix

Run 'pip install fmf'

fmf.utils.FmfException: Directory '...' does not exist or is not a directory.

fmf.Tree() received a file path instead of a directory.

fix

Pass a directory path to fmf.Tree().

Upgrade

Version history

1.7.0latest on PyPI · released Mar 7, 2025

Audit

Dependencies

No dependency data recorded yet.

Agent activity

11 hits · last 30 days

node

Resources

githubhttps://github.com/teemtee/fmf ↗

packagehttps://pypi.org/project/fmf/ ↗

docshttps://fmf.readthedocs.io ↗