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scrabble-dictionary/README.md
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Ilia Denisov 1d34753611
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CI: build-only validation (no make/python/contexts); commit folded erudit.txt
- build.yaml dropped the release step whose ${{ github.* }} contexts failed the Gitea
  workflow compile (the run produced 0 jobs); it now inlines go run (no make dependency)
  and reads the committed dictprep/russian/erudit.txt (no python dependency).
- erudit.txt is scrabble.txt with Ё→Е folded (dictprep/fold_yo.py); it reproduces the
  canonical ru_erudit.dawg byte-for-byte. Release artifacts are published manually for now
  (see README).
2026-06-04 19:43:44 +02:00

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# scrabble-dictionary
Versioned **dictionary artifacts** for the Scrabble game backend: the word-list sources and
the build pipeline that produces the dictionary DAWGs, published as a **release artifact**
(the DAWGs are data, not a Go module).
The build uses the published
[`scrabble-solver`](https://gitea.iliadenisov.ru/developer/scrabble-solver) `dictdawg`/`wordlist`
packages (pinned in `go.mod`) over `github.com/iliadenisov/{dafsa,alphabet}` (v1.1.0), so the
on-disk format and letter indexing match the running backend **exactly** — there is no index
drift, because the backend pins the same `dafsa`/`alphabet`. The DAWGs this repo builds are
byte-identical to the solver's committed test fixtures.
## Artifact
`make dawg` builds three DAWGs into `dawg/`:
| file | variant | source |
| --- | --- | --- |
| `en_sowpods.dawg` | English (SOWPODS) | `dictionaries/english/sowpods.txt` |
| `ru_scrabble.dawg` | Russian Scrabble | `dictprep/russian/scrabble.txt` |
| `ru_erudit.dawg` | Эрудит | `dictprep/russian/erudit.txt` (Ё→Е folded `scrabble.txt`, via `dictprep/fold_yo.py`) |
The CI (`.gitea/workflows/build.yaml`) rebuilds them on every push/PR as a validation gate
(inlined `go run`, no `make`/`python` needed on the runner). Release artifacts are published per
version (see **Release** below): the three DAWGs packaged flat into `scrabble-dawg-<tag>.tar.gz`
and attached to the Gitea release for the `vX.Y.Z` tag. The backend deploy unpacks that tarball
into `BACKEND_DICT_DIR`; **one semver label versions the whole set** (additive — a new version is
a new release, never breaking a running backend).
## Sources / provenance
- **English:** `dictionaries/english/sowpods.txt`, vendored from
[`kamilmielnik/scrabble-dictionaries`](https://github.com/kamilmielnik/scrabble-dictionaries).
- **Russian:** `dictprep/russian/scrabble.txt`, derived from the Russian academic orthographic
dictionary by the tooling under `dictprep/` (see `dictprep/README.md`); `dictprep/russian/erudit.txt`
is its Ё→Е folded form (`dictprep/fold_yo.py`). Only the prepared word lists are vendored; the
heavy upstream source (the orfo PDF/text) is not.
## Build
```sh
make dawg # -> dawg/{en_sowpods,ru_scrabble,ru_erudit}.dawg
```
Requires Go (module deps fetched with `GOPRIVATE=gitea.iliadenisov.ru/*`, exported by the
Makefile). No `python` is needed for the build — the Ё→Е fold is committed as `erudit.txt`;
regenerate it with `python3 dictprep/fold_yo.py dictprep/russian/scrabble.txt > dictprep/russian/erudit.txt`.
## Release
CI builds and validates the DAWGs but does not upload them (the release upload needs a write
token, kept out of CI for now — a future enhancement). To publish a version, tag it and attach
the artifact to its Gitea release:
```sh
make dawg
tar czf scrabble-dawg-vX.Y.Z.tar.gz -C dawg en_sowpods.dawg ru_scrabble.dawg ru_erudit.dawg
# create the Gitea release for tag vX.Y.Z and upload scrabble-dawg-vX.Y.Z.tar.gz as an asset
```
The backend consumes it at
`https://gitea.iliadenisov.ru/developer/scrabble-dictionary/releases/download/vX.Y.Z/scrabble-dawg-vX.Y.Z.tar.gz`.