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alembic/pipeline/configs/_template.conf
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andrew a9e1263b01 Render playlist configs directly in-app; retire regen.sh and playlists.json (R3)
The app owns every input to a playlist's sldl .conf (playlists in its DB,
credentials in its encrypted store), so the old
DB -> playlists.json -> regen.sh subprocess -> regex credential patch-back
chain was three serialization hops for no reason. Collapse it:

- credential_service.render_playlist_confs(db) renders each <playlist>.conf
  from _template.conf in one pass: path placeholders substituted as literal
  text, then the four credential lines set, written 0600. This is now the
  single source of .conf rendering.
- playlist_service loses _write_playlists_json and regenerate_confs; _sync_to_disk
  just calls render_playlist_confs and syncs the scheduler. No subprocess, no
  intermediate JSON file.
- render_scope for spotify/soulseek re-renders confs via the same function
  (spotify still also writes _spotify.env for the python scripts). The dead
  _patch_conf_field / _every_playlist_conf helpers are removed.
- Delete pipeline/configs/regen.sh and drop it from the Dockerfile chmod;
  update _template.conf's comments.

Nothing outside playlist_service consumed regen.sh or playlists.json (verified).
Also closes the last remnants of the S2/S3 injection surface: names are
re-validated and path/credential values are substituted as literals, never
through sed or a shell.

Verified: end-to-end render in a throwaway DB (paths, creds incl. a password
with shell metacharacters, 0600, bad-name rejection) and a live re-render of
all 17 playlist configs with credentials preserved.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-10 15:34:53 -06:00

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# Template for per-playlist sldl configs (sldl 2.6.0.0).
# Flags verified against `sldl --help` output.
#
# sldl runs as a subprocess inside the alembic container (same container as
# beets, on gluetun's network namespace for VPN-routed Soulseek P2P).
# This is a TEMPLATE. The app renders one <playlist>.conf per playlist from it
# (credential_service.render_playlist_confs), substituting PLAYLIST_NAME,
# SPOTIFY_URL, SLDL_DROPBOX_ROOT and the credential lines below in one pass.
# The placeholder values here are overwritten at render time; edit the
# non-placeholder settings (quality, timeouts, ports) to change every playlist.
# ==== Soulseek credentials ====
user = SOULSEEK_USER
pass = SOULSEEK_PASS
# ==== Spotify API credentials ====
spotify-id = SPOTIFY_CLIENT_ID
spotify-secret = SPOTIFY_CLIENT_SECRET
# ==== Input (Spotify playlist URL) ====
input = SPOTIFY_URL
input-type = spotify
# ==== Output paths ====
# SLDL_DROPBOX_ROOT is substituted at render time from $MUSIC_DATA_DIR
# (sldl's own config format has no env-var expansion).
path = SLDL_DROPBOX_ROOT/PLAYLIST_NAME
playlist-path = SLDL_DROPBOX_ROOT/PLAYLIST_NAME/_sldl.m3u8
write-playlist = true
# ==== Naming ====
name-format = {artist} - {title}
# ==== Concurrent downloads ====
# Higher values download from more peers simultaneously.
# Each peer is usually ~100-500 KB/s, so 10 concurrent ≈ 1-5 MB/s total.
# Bandwidth isn't the bottleneck on Soulseek - peer availability is.
concurrent-downloads = 10
# ==== Search behavior ====
fast-search = true
search-timeout = 60000
max-stale-time = 50000
searches-per-time = 34
searches-renew-time = 220
# ==== Soulseek listen port ====
# Picking a port that:
# - is below Linux's ephemeral range (32768-60999), so the OS won't auto-pick
# it for slskd's outbound peer connections;
# - is NOT one of slskd's bound ports inside gluetun (slskd uses 5030 HTTP,
# 5031 HTTPS, 50300 Soulseek listen);
# - is NOT used by any other gluetun-network container (qbittorrent: 6881,
# shelfmark: 8084).
# 9876 fits all three.
listen-port = 9876
# ==== Quality hard filters (strict - files not matching are rejected) ====
format = flac,mp3
min-bitrate = 320
# ==== Quality preferences (soft - controls ranking among accepted files) ====
pref-format = flac,wav,mp3
pref-min-bitrate = 320
pref-max-bitrate = 2500
# ==== Strict filtering (hard - rejects files that don't match) ====
strict-title = true
strict-artist = true
# ==== Misc ====
verbose = true
no-browse-folder = true