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Audio failover: press FOH Backup by itself when Studio B dies; Companion button presses as fixes

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A new fix kind "companion_press" presses any Companion button over its HTTP API (page, row, col).
A fix marked "failover" runs by itself within seconds of its check failing: inside the "failover"
windows (Sunday 06:30-13:30), even while ALARMS is muted, once per fault, never back the other way.
The hidden STB AUDIO key (inside AUDIO) watches Studio B's ping every second, Pro Tools over SSH
every 2 s and its Dante device; each check's fix is the FOH Backup press. The keys say ON FOH BACKUP
until STREAM STB on the Restart page switches back. Settings page: the press builder, the failover
tick and undo, the Failover calendar, help entry "A fallback button".

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
christian
2026-10-15 12:40:24 -04:00
co-authored by Claude Fable 5.1
parent 422e92f814
commit 14fce2cf9a
13 changed files with 855 additions and 67 deletions
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settings/builders.py
+26 -2
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@@ -30,6 +30,13 @@ def label(value, what):
return value
def whole(value, what):
"""A whole number (0 counts; a bool, a blank or 1.5 does not)."""
if isinstance(value, bool) or not re.fullmatch(r"-?\d+", str(value).strip()):
raise ValueError("%s must be a whole number, not %r" % (what, value))
return int(str(value).strip())
def home_dir(path):
"""~/x -> $HOME/x inside double quotes; refuses quotes and $ in the rest."""
path = str(path)
@@ -221,6 +228,17 @@ TEMPLATES = {
"spotify": {"words": "Play the service playlist in Spotify", "kind": "spotify", "start_only": True, "params": [], "render": None,
"suggest": lambda p, cfg: "play the %s playlist in Spotify on %s (opens Spotify if it is closed)"
% ((cfg.get("spotify") or {}).get("name") or "service", (cfg.get("site") or {}).get("ingest_name") or "this Mac")},
# a press: "copy" names the params that are also fields of the fix itself (the watchdog reads those)
"companion_press": {
"words": "Press a Companion button (any page, row and column)", "kind": "companion_press", "start_only": True,
"params": [("page", "Page", "The Companion page the button is on (page 4 = Audio).", "int", None),
("row", "Row", "Top row is 0.", "int", None),
("col", "Column", "Left column is 0.", "int", None),
("button", "What the button says", "Only for the words: FOH Backup, say.", "str", "")],
"copy": ["page", "row", "col"], "render": None,
"suggest": lambda p, cfg: "press the %sbutton in Companion (page %s, row %s, column %s)"
% (("%s " % p["button"]) if p.get("button") else "", p["page"], p["row"], p["col"]),
},
"custom": {"words": "Custom command (Advanced: typed by hand)", "params": [], "render": None, "suggest": lambda p, cfg: ""},
}
@@ -259,6 +277,9 @@ def build(cfg, fix):
raise ValueError("%s: %s is needed" % (t["words"], words.lower()))
out = {k: v for k, v in fix.items() if k not in ("run", "host", "kind")}
out["template"], out["params"] = name, params
for n in t.get("copy", []):
words = next(w for a, w, _, _, _ in t["params"] if a == n)
out[n] = params[n] = whole(params.get(n), "%s: %s" % (t["words"], words.lower()))
if t.get("kind"):
out["kind"] = t["kind"]
return out
@@ -362,8 +383,11 @@ def mismatches(cfg):
except ValueError as e:
out.append("fix %s: %s" % (fid, e))
continue
for k in ("run", "kind", "host"):
if (b.get(k) or None) != (fix.get(k) or None):
for k in ("run", "kind", "host") + tuple(TEMPLATES[fix["template"]].get("copy", [])):
bv, fv = b.get(k), fix.get(k)
if k in ("run", "kind", "host"):
bv, fv = bv or None, fv or None # a blank and an absent command are the same
if bv != fv:
out.append("fix %s: its %s no longer matches its fields - open it on Fixes and press Save" % (fid, "command" if k == "run" else k))
break
for t in cfg.get("tiles") or []: