8dc14f0cca
The is_new branch of routedSaveClicked in editor.js used to alert on
409 and force the user to manually pick a different filename. Restore
the overwrite / keep-both / cancel prompt the legacy openEditorTextNew
flow had (via askConflict, lost when Step 9 deleted legacySaveClicked).
Flow on 409:
* "overwrite" → re-POST /save with the same path. /save overwrites
in place when the destination is a regular file.
* "keep-both" → compose a suffixed path via fo.withCollisionSuffix
(now multi-extension-aware after F3) and POST that.
* "cancel" → leave the routed modal open with the user's typed
content intact so they can edit the filename and retry.
Defensively gates the askConflict + withCollisionSuffix calls on
typeof === "function" so older bookmarks (or a dev environment with
one of the modules missing) fall back to an alert rather than a
TypeError. The 409 alert branch is preserved for that path.
Note on when /save actually 409s: regular-file collisions overwrite
silently (200). 409 fires only when the new path collides with a
directory (or a symlink, or a non-file fs entry) — same contract as
the legacy flow had.
Verified live on /overlays/2 in Chromium with a real round-trip:
1. Click "+ new folder" → create tmp_409_probe
2. Click "+ new file" → type "tmp_409_probe" → click Create
3. /save returns 409 (destination is not a file) → askConflict
opens with the colliding path displayed
4. Routed modal stays open behind the conflict dialog (typed
content preserved)
5. Cancel on conflict → conflict closes, routed modal still open
6. Cleanup: delete the tmp_409_probe folder via the action API
* No console errors throughout
* Demo overlay state unchanged after cleanup
pytest stays at 577 passed, 1 skipped, 3 deselected (no Python
changes in F4).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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||
|---|---|---|
| .. | ||
| alembic | ||
| l4d2web | ||
| scripts | ||
| tests | ||
| alembic.ini | ||
| pyproject.toml | ||
| README.md | ||
l4d2-web-app
Flask web app for managing L4D2 servers through user-private blueprints.
Key v1 behaviors
- Local username/password login; no public signup
- Admin-managed overlay catalog
- Private blueprints per user
- Server creation from blueprints (live-linked; no per-server blueprint overrides)
- Async job model with persisted command logs in
job_logs - Desired vs actual state model
- Live logs for jobs and servers via SSE endpoints
- Host operations go through
l4d2ctlvia a local host command runner, not directl4d2hostimports
Frontend constraints
- Server-rendered templates (Jinja)
- Vendored HTMX (
static/vendor/htmx.min.js) - Custom CSS only
- Tokenized, consistent link and accent colors
Development
From the workspace root (../):
uv sync # creates .venv, installs l4d2host + l4d2web editable, plus dev deps
uv run pytest l4d2web/tests -q
Configuration
The web app reads these settings from the environment:
DATABASE_URL: SQLAlchemy database URL, for examplesqlite:////var/lib/left4me/left4me.db.SECRET_KEY: Flask secret key used for sessions and CSRF-sensitive state.JOB_WORKER_THREADS: number of background job worker threads.
In the systemd deployment, environment is loaded from /etc/left4me/host.env and /etc/left4me/web.env.
Admin Bootstrap
Create the first admin account with the Flask CLI. Provide the password through LEFT4ME_ADMIN_PASSWORD:
LEFT4ME_ADMIN_PASSWORD='change-me' flask create-user <username> --admin