FTNT💥

Six command-line tools for FTN message bases, JSON fixtures and text pipes. Python 3.12+. MIT licensed.

Status: implemented locally, not released. Development uses five sibling Python repositories. Opus writing requires the local golded-ftn-msg 1.3.0 extension; a public installation must wait for that dependency release.

uv sync --locked
uv run ftnt create ./fixtures/general --format jam
uv run ftnt write ./fixtures/general --format jam < examples/message.json
uv run ftnt export ./fixtures/general --format jam |
  jq -c 'select(.message.subject | contains("fixture"))'

create, write, read and export use an explicit --format: msg (FTSC), opus, jam, squish or hudson. Hudson write/read requires --board 1..200. Bases must be offline: close GoldED and other users first. The format packages own validation, encoding, locks and rollback.

write accepts one JSON object or a JSONL batch with --jsonl. Structural validation finishes before opening a writer. Each append commits separately; a later failure keeps earlier appends. A broken pipe can hide the receipt of an already committed message. Rerunning may create duplicates.

read --body emits the reader's body_text exactly, including any controls present there, without adding a newline. read --revision adds the writer's identity and revision. export --archive reports reader issues as JSONL on stderr and exits 7 if any occur. Export is not a byte-identical backup.

uv run ftnt decode --charset IBMPC < old-text.txt
uv run ftnt repair --json < utf8-text.txt

Both filters read the whole input into memory. Decode uses the core charset aliases, strict decoding and preserves line endings and trailing nulls. Repair uses the core heuristic explicitly; import/export never repair text.

The public manual is the front page and one page per command: create, write, read, export, decode, repair, heads and catalog. Examples are in examples/. Maintainer notes stay in docs/. The pages share DESIGN.md.

Checks:

uv run pytest -q
uv run ruff check .
uv run ruff format --check .
uv run mypy
uv build
uv run twine check dist/*
uv run python scripts/verify_distribution.py
uv run scripts/build_reading_pages.py

Distribution checks build dependency wheels from sibling checkouts and run both CLI wheels in fresh environments outside the checkout. They do not establish public-index dependency resolution. The sdist strips checkout-only uv sources. The CI matrix targets Linux and macOS with Python 3.12 and 3.14. Windows is unsupported for now. GoldED Opus runtime interoperability remains unverified. There is no configured remote, published CLI package or Pages deployment.