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left4me/l4d2web
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mwiegand a4e9f6cd26
feat(l4d2-web): blueprint overlay picker — drag-list + add-dropdown 
Replace the per-row checkbox + numeric Order table on the blueprint
detail page with a drag-to-reorder list of selected overlays plus a
native <select> for adding more. Removing uses an × button per row;
the option sorted-inserts back into the dropdown alphabetically.

Native HTML5 drag-and-drop, no library, no JS-disabled fallback.
Server contract is unchanged: each list row owns one hidden
<input name="overlay_ids">, DOM order = submission order, and the
existing fallback_position branch in ordered_overlay_ids_from_form
absorbs the now-omitted overlay_position_<id> fields.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-08 21:37:11 +02:00
..
alembic feat(l4d2-web): server identity by id, name as display label 2026-05-08 19:22:09 +02:00
routes feat(l4d2-web): blueprint overlay picker — drag-list + add-dropdown 2026-05-08 21:37:11 +02:00
services feat(l4d2-web): overlay detail Files section with HTMX file tree + downloads 2026-05-08 20:16:25 +02:00
static feat(l4d2-web): blueprint overlay picker — drag-list + add-dropdown 2026-05-08 21:37:11 +02:00
templates feat(l4d2-web): blueprint overlay picker — drag-list + add-dropdown 2026-05-08 21:37:11 +02:00
tests feat(l4d2-web): blueprint overlay picker — drag-list + add-dropdown 2026-05-08 21:37:11 +02:00
__init__.py chore(l4d2): flatten component layout 2026-05-05 23:47:06 +02:00
alembic.ini chore(l4d2): flatten component layout 2026-05-05 23:47:06 +02:00
app.py feat(l4d2-web): overlay detail Files section with HTMX file tree + downloads 2026-05-08 20:16:25 +02:00
auth.py fix(l4d2-web): reject encoded unsafe redirects 2026-05-06 13:24:04 +02:00
cli.py feat(l4d2-web): seed example script overlays from examples/script-overlays/ 2026-05-08 18:41:08 +02:00
config.py feat(web): forms in modals, edit/delete on detail pages, port auto-assign 2026-05-07 01:30:33 +02:00
db.py feat(deploy): add production-like test deployment 2026-05-06 19:30:10 +02:00
models.py feat(l4d2-web): server identity by id, name as display label 2026-05-08 19:22:09 +02:00
pyproject.toml refactor(l4d2-web): drop global-overlays subsystem in favor of script type 2026-05-08 15:43:41 +02:00
README.md feat(deploy): add production-like test deployment 2026-05-06 19:30:10 +02:00

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 l4d2ctl via a local host command runner, not direct l4d2host imports

Frontend constraints

  • Server-rendered templates (Jinja)
  • Vendored HTMX (static/vendor/htmx.min.js)
  • Custom CSS only
  • Tokenized, consistent link and accent colors

Development

python3 -m venv .venv
.venv/bin/pip install -e .
.venv/bin/pytest tests -q

Configuration

The web app reads these settings from the environment:

  • DATABASE_URL: SQLAlchemy database URL, for example sqlite:////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