ffmt
A fast, configurable Fortran formatter with support for Fypp, Doxygen, and OpenACC/OpenMP directives. Written in Rust. Installable via pip.
Documentation | Configuration | Changelog
Installation
pip install ffmt
Or via Cargo:
cargo install ffmt
Quick start
ffmt src/ # format in-place
ffmt --check src/ # CI mode (exit 1 if changes needed)
ffmt --diff src/ # show colored diff
ffmt -j 8 src/ # parallel
cat file.fpp | ffmt - # stdin/stdout
Features
- Code -- indentation, whitespace normalization, keyword casing, named ends, line wrapping, operator modernization (
.eq.->==), double-colon enforcement, trailing semicolon removal - Comments -- rewrapping, inline spacing (S102),
!<alignment,!&/& !cleanup, format suppression (! ffmt off/on) - Structure -- blank line management around openers/closers/
#ifdef, declaration::alignment, declaration/use compaction - Preprocessor -- Fypp (
#:if,$:,@:), C preprocessor (#ifdef), OpenACC (!$acc), OpenMP (!$omp) - Opt-in -- multi-statement splitting, assignment alignment,
&column alignment, use-statement reformatting
Most options accept true, false, or "preserve". See the configuration reference for all options.
Configuration
Create ffmt.toml or add [tool.ffmt] to pyproject.toml:
indent-width = 4
line-length = 132
keyword-case = "lower"
modernize-operators = true
enforce-double-colon = true
[whitespace]
relational = true
multdiv = false
CI
# GitHub Actions
- uses: sbryngelson/ffmt@latest
with:
args: "--check src/"
# pre-commit
repos:
- repo: https://github.com/sbryngelson/ffmt
rev: v0.4.4
hooks:
- id: ffmt
Other Fortran formatters
| Formatter | Language | Status | Notes |
|---|---|---|---|
| fprettify | Python | Unmaintained | Free-form only. Fypp support. |
| findent | C | Active | Indentation and fixed/free conversion. |
| Codee Formatter | Proprietary | Active | Commercial. Tree-sitter based. |
| LFortran fmt | Rust | In development | AST-based. |
| Fortitude | Rust | Active | Linter with auto-fix. |
License
MIT
1 maintainer
Metadata
1 maintainer
Release files for ffmt 0.4.5
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| ffmt-0.4.5.tar.gz | 113.7 kB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| ffmt-0.4.5-py3-none-win_amd64.whl | Python 3 | none | Windows x86-64 | Details |
| ffmt-0.4.5-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | Python 3 | none | Linux glibc 2.17+ x86-64 | Details |
| ffmt-0.4.5-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl | Python 3 | none | Linux glibc 2.17+ PowerPC 64-le | Details |
| ffmt-0.4.5-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | Python 3 | none | Linux glibc 2.17+ ARM64 | Details |
| ffmt-0.4.5-py3-none-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl | Python 3 | none | macOS 11.0+ ARM64, macOS 10.12+ x86-64, macOS 10.12+ universal2 (ARM64, x86-64) | Details |
Total release size: 10.8 MB
Release files / ffmt-0.4.5.tar.gz
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