Ben_Kosytorz
acb3415878
- dlphelper/warhammer_data.py: keyword taxonomy (40k factions incl. Chaos and Xenos super-faction units, plus AoS/Heresy/Kill Team/Necromunda/Epic/OW) - dlphelper/catalogue.py: manifest+directory scanner, conservative keyword classifier (plural-tolerant word boundaries, longest match wins), markdown and jsonl reports, overrides support, audited --apply moves - catalogue.py CLI; tests/test_catalogue.py offline classifier test - real-data check on the user's dirs: 1624/3333 files classified so far
214 lines
10 KiB
Markdown
214 lines
10 KiB
Markdown
# AGENTS.md — Warhammer_DLP_Helper
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Guidance for any AI agent (or human) working in this repository. Read this
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fully before making changes.
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## 1. What this project is
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The user collects **Warhammer proxy models** (3rd-party / fan sculpts, never
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official Games Workshop assets) that are shared in Discord channels. Links in
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those channels point to two hosters and are often **base64-encoded** inside
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message content (obfuscated by the posting bot).
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The end goal is a **torrent-first platform** (think radarr/lidarr, but for
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proxy files). This repo is the current stage of that journey: a tool that
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1. exports a Discord channel/thread (DiscordChatExporter via docker),
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2. extracts base64-encoded and plain download links,
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3. picks the right downloader per host automatically,
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4. downloads everything with per-file tracking, retries and resume,
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5. records a manifest that will later feed the torrent stage.
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Deliberately **not** in scope (yet): .torrent creation, tracker upload,
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deseeding, rename-into-library conventions. Design decisions should not close
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the door on these — especially `manifest.jsonl` and the `--hash` option exist
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for dedupe/cross-seeding later.
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## 2. Repository & environment
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- Remote: `git.dieterunterstrich.de/Ben_Kosytorz/Warhammer_DLP_Helper` —
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**private** repo, branch `main`. Push with the credentials already stored
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via git's credential store (`~/.git-credentials`); never paste them into
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commands or files.
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- The server is Gitea 1.27. To create *another* repo, use
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`python3 tools/new_repo.py list|create <name>` (reads `~/.git-credentials`
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itself, never prints secrets). Never delete or overwrite existing repos.
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- Machine: Linux, Python 3.12+ (3.14 available), `requests` is the only
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runtime dependency (see `requirements.txt`), docker is available.
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- Reference clone: `~/GoFileDownloader` (Lysagxra) — do not modify it; it is
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upstream reading material only.
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## 3. Architecture
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```
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dlp.py CLI orchestrator (entry point)
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catalogue.py CLI: classify the collection into system/faction/class
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dlphelper/
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discord.py DCE docker export (JSON) + base64/plain URL extraction
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gofile.py GoFile API client (one guest account per run)
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zero807.py curl-based downloader for 0807.st direct links
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state.py state.json store + manifest.jsonl appender
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globalstore.py cross-run URL store (~/.local/share/dlphelper/urls.json)
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catalogue.py scanner + keyword classifier + report writer
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warhammer_data.py taxonomy: systems, factions, force-org classes
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parts/grab.sh legacy groundstone script (kept, not used by dlp.py)
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tools/new_repo.py Gitea repo helper (reads ~/.git-credentials itself)
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tools/debug_gofile.py inspect raw gofile API response for one content id
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tests/test_extract.py offline extraction test (plain python3, no deps)
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tests/test_catalogue.py offline classifier test
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```
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Data flow:
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```mermaid
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graph LR
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A[channel id + token] --> B[DCE docker export -> export.json]
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B --> C[decode base64 in message content]
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C --> D{classify host}
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D -->|gofile.io| E[GoFileClient: 1 guest account, list contents, download files]
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D -->|0807.st| F[curl with UA + Referer]
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D -->|other| G[recorded as failed: unsupported host]
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E --> H[downloads/gofile/...]
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F --> I[downloads/0807/...]
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E & F --> J[state.json + manifest.jsonl + failed_urls.txt]
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J --> K[globalstore: urls.json, marks URL done forever]
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```
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Key facts about the hosters (learned the hard way, do not re-learn):
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- **gofile.io**: guest accounts are created via `POST api.gofile.io/accounts`.
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Creation is aggressively rate-limited — create **at most one account per
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run**. Content listing needs `Authorization: Bearer <token>`, an
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`X-Website-Token` header (sha256 over `UA::en-US::<token>::<4h-window>::seed`,
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see `gofile.py`), and downloads need `Cookie: accountToken=<token>` plus
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Referer/Origin headers.
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- **0807.st**: serves files directly but 403s anything that doesn't look like
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a browser. `curl -A "Mozilla/5.0" -e "https://0807.st/"` works; aria2c's
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default multi-connection request does not. curl is the tool here.
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- Encoded links in the channels start as base64 strings matching
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`aHR0cHM6Ly[89]...` — keep the extraction regex compatible with
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`parts/grab.sh`.
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## 4. Usage (what "done" looks like)
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export DISCORD_TOKEN=...
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python3 dlp.py <channel_id> /big/storage/warhammer/<channel-name>
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Retry only failures: `python3 dlp.py <id> <out> --urls-file <out>/failed_urls.txt`
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(or just re-run — state.json skips everything already marked ok).
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Several channels at once (`subscriptions.json`: list of {name, channel_id,
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out_dir}):
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python3 dlp.py --subs subscriptions.json
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Subs mode re-exports every channel by default (that is how new links get
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picked up) and relies on state.json + the global store to only download
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what is actually new. Use a cron/systemd timer for watch-like behavior.
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Manual import of the pre-dlp.py era (URLs you know are fully downloaded,
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never re-fetch them again):
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python3 dlp.py --assume-done old_urls.txt
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## 5. Run artifacts (all in OUT_DIR, gitignored)
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| File | Purpose |
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|------|---------|
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| `export.json` | DCE export; cached — `--fresh` re-exports |
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| `state.json` | url → {status, attempts, error, files[]}; corrupt files are backed up and reset |
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| `failed_urls.txt` | rewritten each run: every non-ok URL, usable as `--urls-file` |
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| `manifest.jsonl` | append-only, one JSON line per downloaded file (channel, url, message_id, timestamp, author, path, size, optional sha256) |
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| `downloads/` | actual content; `.part` files mean "interrupted, will be resumed" |
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| `~/.local/share/dlphelper/urls.json` | **global** cross-run store: every successfully downloaded URL is recorded once, regardless of OUT_DIR, so reposts in other channels are not re-downloaded. `--global-state` moves it, `--no-global` disables it for a run. |
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## 6. Rules
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### Secrets and tokens
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1. Never print, log, commit or echo a Discord token or GoFile account token.
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Not even partial. Strip them from any output you paste into chats.
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2. The Discord token goes: `--token` flag → `$DISCORD_TOKEN` → hidden prompt.
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It is handed to the DCE container via the `TOKEN` env var, never as a
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command-line argument.
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3. `~/.git-credentials` may only be read by `tools/new_repo.py`. Never copy
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credentials into scripts, tests, or fixtures.
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4. Nothing downloaded and no export/state/manifest file is ever committed.
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### Failure policy (the core requirement)
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5. A failure in one URL or file must **never** abort the run. Catch, record in
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`state.json`, continue. The loops in `dlp.py` therefore have catch-alls —
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keep them.
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6. Cooldowns are the only permitted "stall": after N consecutive failures,
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pause, then continue. Circuit-breakers that exit the process need a
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explicit justification in the PR/commit message.
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7. Retries: exponential-ish (`retry_delay * attempt`), default 3 attempts.
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Password-required gofile links are not retried (it can't help).
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### Idempotency
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8. Re-runs must be safe and cheap: skip URLs marked `ok` (in `state.json` **or**
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the global store), skip existing non-empty files, write partial downloads
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to `*.part` and rename on success.
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9. `state.json` is the source of truth for resume; keep its schema backward
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compatible when touching `state.py` (unknown keys are preserved, missing
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keys defaulted). Same for the global store schema in `globalstore.py`.
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10. `--assume-done` is a deliberate, manual import step for old URL lists.
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Never invoke it automatically, and never let the tool mark URLs done
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without a verified successful download.
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### Rate limiting / network etiquette
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11. One gofile guest account per run; `ensure_token()` backs off linearly
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(20s × attempt). Do not raise the guest-account frequency "to make tests
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pass". Testing account creation more than a couple times per hour is a
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bug, not a test strategy.
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12. Keep the 0807 referer/UA contract. Don't "optimize" it to aria2c without
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re-verifying the 403 behavior.
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### Code style
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13. Python 3.12+, type hints on public functions, `logging` not `print` in
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library code (prints are fine only for `--dry-run` output).
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14. Stay on stdlib + `requests`. New dependencies need a real justification
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and belong in `requirements.txt`.
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15. `dlphelper/` modules must stay import-safe (no side effects at import).
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### Validation
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15. Minimum validation for any change: `python3 -m py_compile dlp.py
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catalogue.py dlphelper/*.py`, plus the offline tests (`python3
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tests/test_extract.py`, `python3 tests/test_catalogue.py`) if the touched
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modules changed. Document what you could *not* test (e.g. live
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gofile/0807 downloads need real links and tokens).
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17. Full live runs need a Discord token from the user — ask for it, never
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ask for it to be pasted into a file or committed.
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### Git
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18. Branch `main`, descriptive commit messages, no force-push, no history
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rewriting on the shared remote.
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19. When creating a new repo use `tools/new_repo.py` (Gitea API); creation is
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fine, deletion/renaming of existing repos requires the user.
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## 7. Roadmap (future stages, keep compatible)
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1. **Dedupe**: hash-based (sha256) duplicate detection across threads via
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`manifest.jsonl` (the `--hash` flag feeds this). URL-level dedupe already
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exists via the global store; content-level (same file, different link)
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comes with hashing.
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2. **Torrent stage**: `mktorrent` per downloaded folder, .torrent files into
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a watch dir, cross-seeding between direct-download and torrent copies.
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3. **Library organization (started)**: `catalogue.py` classifies every file
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into system / faction / force-org class and can move files into
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`<library>/<System>/<Faction>/<Class>/` with `--apply` (audited in
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`catalogue_moves.jsonl`). The taxonomy lives in
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`dlphelper/warhammer_data.py`; it is keyword-based and grows with the
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collection - unclassified files are reported, never guessed. Manual fixes
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go into an overrides JSON (`--overrides`).
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4. **Watch mode**: `--subs subscriptions.json` + a cron/timer already gives a
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primitive version; a real watch mode (per-subscription schedules, tear-off
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notifications, discord pings on new links) builds on it.
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## 8. Testing notes
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- `tests/` currently holds a synthetic `export.json` test for extraction
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(`tests/test_extract.py`, runnable with plain `python3`). Keep tests
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dependency-free and offline — they must never hit gofile/0807/Discord.
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- To exercise downloads without Discord: build a `--urls-file` from known
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URLs and run with a scratch OUT_DIR.
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