e69b7e2ad6
Captures backend work already running on godstrument.pro but never committed: - auth.py: invite-only accounts + per-user presets (SQLite, scrypt, signed stateless sessions), mounted by hub.py at /api/* - hub.py: /api static+API handler, readonly public mode, full route spec in hello - socio-economic / market / fire / debt / crypto workers + normalize/transform - .gitignore: never commit godstrument_users.db* or auth_secret - test_fixes.py: framework-free self-check for the review fixes Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
573 lines
24 KiB
Python
573 lines
24 KiB
Python
"""
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hub.py — the traffic cop and the brain.
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Everything (your hand, the room, a satellite, bitcoin) fires OSC at this hub on
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127.0.0.1:9000. It doesn't care where a signal came from — a fingertip and a
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plane over Tokyo are the same kind of thing here. The hub:
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1. receives every OSC message into a thread-safe raw state,
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2. on a fixed control-rate clock, normalizes + One-Euro-filters each signal
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to a clean 0..1 (events become decaying impulses),
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3. runs the modulation matrix (matrix.py) to turn signals into destinations,
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4. emits results as OSC /out/<dest> (for Ableton / TouchDesigner), optional
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MIDI CC/notes, and a live WebSocket feed for the browser visualizer.
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Run: python hub.py (uses config.json)
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python hub.py --config myset.json
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Ports: OSC in 9000 | OSC out 9001 | WebSocket 8765 | HTTP viz 8088
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"""
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from __future__ import annotations
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import argparse
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import asyncio
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import json
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import math
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import os
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import queue
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import threading
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import time
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from functools import partial
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from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer
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import websockets
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from pythonosc.dispatcher import Dispatcher
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from pythonosc.osc_server import ThreadingOSCUDPServer
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from pythonosc.udp_client import SimpleUDPClient
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from normalize import AdaptiveNormalizer, OneEuroFilter, ImpulseEnvelope
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from matrix import ModMatrix
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from transform import TweakBank
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HERE = os.path.dirname(os.path.abspath(__file__))
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START = time.monotonic()
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# sidereal orbital periods in Earth-years — a group assigned a planet cycles at
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# this rate relative to `orbit_base_seconds` (one Earth orbit = base seconds).
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PLANET_PERIODS = {
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"mercury": 0.2408, "venus": 0.6152, "earth": 1.0, "mars": 1.8808,
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"jupiter": 11.862, "saturn": 29.457, "uranus": 84.02,
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"neptune": 164.8, "pluto": 248.0,
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}
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def now() -> float:
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return time.monotonic() - START
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# ---------------------------------------------------------------------------
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# Per-signal processing chain
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# ---------------------------------------------------------------------------
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class Signal:
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def __init__(self, name: str, spec: dict):
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self.name = name
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self.type = spec.get("type", "continuous")
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self.label = spec.get("label", name)
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nrm = spec.get("norm", {})
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mode = nrm.get("mode", "minmax")
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fixed = None
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if "lo" in nrm and "hi" in nrm:
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fixed = (nrm["lo"], nrm["hi"])
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mode = "fixed"
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elif not nrm and (name.startswith(("midi.", "hand.", "tof.", "light."))
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or self.type == "event"):
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# Control inputs (knobs, hand, sensors) and bare events already
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# speak 0..1 — adaptively rescaling a constant stream would pin it
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# to 0.5 (a held knob) or halve every event. Pass them through.
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# ponytail: prefix allowlist; give any exception an explicit norm.
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fixed = (0.0, 1.0)
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mode = "fixed"
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self.norm = AdaptiveNormalizer(nrm.get("window", 600), mode, fixed)
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flt = spec.get("filter", {})
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self.filter = OneEuroFilter(flt.get("min_cutoff", 1.2),
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flt.get("beta", 0.02))
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self.env = ImpulseEnvelope(spec.get("attack", 0.01),
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spec.get("decay", 0.6))
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self.raw = 0.0
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self.value = 0.0
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def update_continuous(self, raw: float, t: float) -> float:
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self.raw = raw
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n = self.norm(raw)
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self.value = self.filter(n, t)
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return self.value
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def trigger(self, magnitude: float, t: float):
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self.raw = magnitude
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self.env.trigger(self.norm(magnitude), t)
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def event_value(self, t: float) -> float:
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self.value = self.env.value(t)
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return self.value
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# ---------------------------------------------------------------------------
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# The hub
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# ---------------------------------------------------------------------------
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class Hub:
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def __init__(self, cfg: dict):
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self.cfg = cfg
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self.specs = cfg.get("signals", {})
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self.matrix = ModMatrix.from_config(cfg)
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self.tweaks = TweakBank(cfg)
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self.rate = cfg.get("control_rate_hz", 60)
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# read-only mode: broadcast to viewers but ignore every incoming command
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# (the ws control channel has no auth — safe to expose publicly this way).
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# Set via config "readonly": true or env GODSTRUMENT_READONLY=1.
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self.readonly = bool(cfg.get("readonly")) or \
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os.environ.get("GODSTRUMENT_READONLY", "") not in ("", "0")
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self.signals: dict[str, Signal] = {}
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self._raw_lock = threading.Lock()
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self._raw_inbox: dict[str, tuple[float, float]] = {} # key -> (val,t)
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self._last_raw: dict[str, float] = {} # last value fed to the normalizer
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self._event_q: "queue.Queue[tuple[str,float,float]]" = queue.Queue()
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self.out = SimpleUDPClient(cfg.get("osc_out_host", "127.0.0.1"),
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cfg.get("osc_out_port", 9001))
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self.warp = cfg.get("warp", {})
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self._jog_clients: dict[int, SimpleUDPClient] = {}
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self.orbit_base = cfg.get("orbit_base_seconds", 60)
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self.patches_dir = os.path.join(HERE, "patches")
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self._patches_dirty = False
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self._scan_patches()
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self.midi = _open_midi(cfg.get("midi", {}))
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self.clients: set = set()
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self.recent_events: list[dict] = []
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self._last_notes: dict[str, int] = {}
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self.route_meta = [
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{"source": r.get("source"), "dest": r.get("dest"),
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"label": r.get("label", "")}
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for r in cfg.get("routes", [])
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]
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# ---- OSC ingest (runs in the OSC server thread) --------------------
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def _osc_handler(self, address: str, *args):
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if not args:
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return
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try:
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val = float(args[0])
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except (TypeError, ValueError):
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return
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# /gs/a/b -> "a.b" ; /gs/quake/event -> event on "quake.event"
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parts = address.strip("/").split("/")
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if parts and parts[0] == "gs":
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parts = parts[1:]
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key = ".".join(parts)
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t = now()
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if key.endswith(".event"):
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self._event_q.put((key, val, t))
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else:
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with self._raw_lock:
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self._raw_inbox[key] = (val, t)
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def _ensure_signal(self, key: str) -> Signal:
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sig = self.signals.get(key)
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if sig is None:
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spec = self.specs.get(key, {})
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if key.endswith(".event") and "type" not in spec:
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spec = {**spec, "type": "event"}
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sig = Signal(key, spec)
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self.signals[key] = sig
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return sig
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# ---- control-rate loop (runs in asyncio) --------------------------
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async def control_loop(self):
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period = 1.0 / self.rate
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while True:
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t = now()
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# drain events -> triggers
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while True:
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try:
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key, mag, et = self._event_q.get_nowait()
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except queue.Empty:
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break
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sig = self._ensure_signal(key)
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sig.trigger(mag, et)
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ev = {"src": key.rsplit(".", 1)[0], "mag": round(mag, 3), "t": et}
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self.recent_events.append(ev)
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self.recent_events = self.recent_events[-40:]
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# snapshot raw inbox
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with self._raw_lock:
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inbox = dict(self._raw_inbox)
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sources: dict[str, float] = {}
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wire_sources: dict[str, dict] = {}
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for key, (raw, rt) in inbox.items():
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sig = self._ensure_signal(key)
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if self._last_raw.get(key) != raw:
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# only feed the normalizer/filter when the value actually
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# changed. Workers re-emit their last value on a cadence with
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# a fresh timestamp each time, so gating on arrival time would
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# still pad an adaptive window with duplicates; gating on the
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# value means the window holds N distinct samples (not N ticks
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# of polling). ponytail: windows now forget by sample, not
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# wall-clock — the right call for this instrument.
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v = sig.update_continuous(raw, t)
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self._last_raw[key] = raw
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else:
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v = sig.value # unchanged datum; hold the last value
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sources[key] = v
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wire_sources[key] = {"raw": round(raw, 4), "norm": round(v, 4),
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"label": sig.label,
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"muted": self.tweaks.is_muted(key)}
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# event envelopes decay every tick
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for key, sig in self.signals.items():
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if sig.type == "event":
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v = sig.event_value(t)
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sources[key] = v
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wire_sources[key] = {"raw": round(sig.raw, 4),
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"norm": round(v, 4),
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"label": sig.label, "event": True,
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"muted": self.tweaks.is_muted(key)}
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# planetary orbits — each orbit-group's gain waxes/wanes at its
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# planet's real relative rate (Mercury whips, Neptune barely drifts)
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for g, planet in self.tweaks.group_orbit.items():
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orb = PLANET_PERIODS.get(planet, 1.0) * self.orbit_base
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phase = (t / orb) % 1.0
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self.tweaks.set_orbit_lfo(
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g, 0.25 + 0.75 * (0.5 + 0.5 * math.sin(2 * math.pi * phase)))
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# scrub any time-warped replay workers from live controls
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self._forward_jog(sources)
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# performance layer: live controls -> tweaks -> groups -> matrix
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self.tweaks.apply_controls(sources)
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tweaked = self.tweaks.transform(sources)
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dests, active = self.matrix.evaluate(tweaked)
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self._emit(dests)
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await self._broadcast(t, wire_sources, dests, active,
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self.tweaks.macros())
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await asyncio.sleep(period)
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# ---- time-warp jog forwarding -------------------------------------
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def _forward_jog(self, sources: dict[str, float]):
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for w in self.warp.values():
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port = w.get("port")
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if not port:
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continue
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cl = self._jog_clients.get(port)
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if cl is None:
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cl = SimpleUDPClient("127.0.0.1", port)
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self._jog_clients[port] = cl
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rs, ns = w.get("rate_src"), w.get("nudge_src")
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if rs and rs in sources:
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cl.send_message("/jog/rate", float(sources[rs]))
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if ns and ns in sources:
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cl.send_message("/jog/nudge", float(sources[ns]))
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# ---- outputs -------------------------------------------------------
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def _emit(self, dests: dict[str, float]):
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midi_map = self.cfg.get("midi", {}).get("map", {})
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notes_live = set() # note dests sounding this frame
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for dest, val in dests.items():
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self.out.send_message(f"/out/{dest}", float(val))
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m = midi_map.get(dest)
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if not (m and self.midi):
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continue
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if m.get("note"): # note-mapped: val IS a note number
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note = int(round(val))
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if not 24 <= note <= 127: # matches the viz Web-MIDI guard
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continue
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notes_live.add(dest)
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if self._last_notes.get(dest) != note:
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if self._last_notes.get(dest) is not None:
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self.midi.send_message([0x80 | m.get("channel", 0),
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self._last_notes[dest], 0])
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self.midi.send_message([0x90 | m.get("channel", 0),
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note, 100])
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self._last_notes[dest] = note
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elif "cc" in m:
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cc = int(_clamp01(val) * 127)
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self.midi.send_message([0xB0 | m.get("channel", 0),
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m["cc"], cc])
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# release any held note whose source went silent (muted/gated) this frame
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if self.midi:
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for dest, note in list(self._last_notes.items()):
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if note is not None and dest not in notes_live:
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ch = midi_map.get(dest, {}).get("channel", 0)
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self.midi.send_message([0x80 | ch, note, 0])
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self._last_notes[dest] = None
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async def _broadcast(self, t, sources, dests, active, macros=None):
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if not self.clients:
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return
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routes = []
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for i, r in enumerate(self.matrix.routes):
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routes.append({"source": r.get("source"), "dest": r.get("dest"),
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"label": r.get("label", ""),
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"amount": round(r.get("amount", 0), 3),
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"active": round(active.get(i, 0.0), 4)})
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p = {
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"t": round(t, 3),
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"sources": sources,
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"dests": {k: (round(v, 4) if isinstance(v, float) else v)
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for k, v in dests.items()},
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"routes": routes,
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"macros": macros or {},
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"events": self.recent_events[-12:],
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}
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if self._patches_dirty:
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p["patches"] = self.patches
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self._patches_dirty = False
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payload = json.dumps(p)
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websockets.broadcast(self.clients, payload)
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async def ws_handler(self, ws):
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self.clients.add(ws)
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try:
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await ws.send(json.dumps({
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"hello": "godstrument",
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"readonly": self.readonly,
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# full route spec so a logged-in client can compute its own mix
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"routes": [{"source": r.get("source"), "dest": r.get("dest"),
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"label": r.get("label", ""),
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"amount": round(r.get("amount", 0), 3),
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"curve": r.get("curve", "lin"),
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"gate": r.get("gate"), "quantize": r.get("quantize")}
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for r in self.matrix.routes],
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"groups": self.cfg.get("groups", {}),
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"midi": self.cfg.get("midi", {}).get("map", {}),
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"patches": self.patches}))
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async for msg in ws: # browser -> hub commands
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try:
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self._handle_cmd(json.loads(msg))
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except Exception: # noqa
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pass
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finally:
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self.clients.discard(ws)
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# ---- named templates (patches) ------------------------------------
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def _scan_patches(self):
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try:
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self.patches = sorted(f[:-5] for f in os.listdir(self.patches_dir)
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if f.endswith(".json"))
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except OSError:
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self.patches = []
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def _save_patch(self, name):
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if not name:
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return
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safe = _safe_name(name) or "patch"
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os.makedirs(self.patches_dir, exist_ok=True)
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data = {"routes": self.matrix.routes,
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"groups": self.tweaks.dump_groups(),
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"state": self.tweaks.dump_state()}
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with open(os.path.join(self.patches_dir, safe + ".json"), "w") as f:
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json.dump(data, f, indent=2)
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self._scan_patches()
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self._patches_dirty = True
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print(f" saved template '{safe}'")
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def _load_patch(self, name):
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safe = _safe_name(name) # no path traversal / absolute paths
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if not safe:
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return
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try:
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with open(os.path.join(self.patches_dir, safe + ".json")) as f:
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data = json.load(f)
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except (OSError, ValueError):
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return
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if "routes" in data:
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self.matrix.routes = [dict(r) for r in data["routes"]]
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if "groups" in data:
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self.tweaks.load_groups(data["groups"])
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if "state" in data:
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self.tweaks.load_state(data["state"])
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print(f" loaded spell '{safe}'")
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def _handle_cmd(self, m: dict):
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if self.readonly: # public spectator: ignore all control commands
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return
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cmd = m.get("cmd")
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if cmd == "mute_toggle":
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self.tweaks.toggle(m.get("target"), "mute")
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elif cmd == "toggle":
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self.tweaks.toggle(m.get("target"), m.get("param", "mute"))
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elif cmd == "set":
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self.tweaks.set_param(m.get("target"), m.get("param", "gain"),
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_ffloat(m.get("value"), 0.0))
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elif cmd == "add_route":
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self.matrix.add_route(m.get("source"), m.get("dest"),
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_ffloat(m.get("amount"), 0.5))
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elif cmd == "remove_route":
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self.matrix.remove_route(m.get("source"), m.get("dest"))
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elif cmd == "set_route":
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self.matrix.set_route_amount(m.get("source"), m.get("dest"),
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_ffloat(m.get("amount"), 0.5))
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elif cmd == "make_group":
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self.tweaks.add_group(m.get("name"), m.get("members", []))
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elif cmd == "save_patch":
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self._save_patch(m.get("name"))
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elif cmd == "load_patch":
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self._load_patch(m.get("name"))
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# ---- run -----------------------------------------------------------
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async def run(self):
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# OSC server thread
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disp = Dispatcher()
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disp.set_default_handler(self._osc_handler)
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osc_srv = ThreadingOSCUDPServer(
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(self.cfg.get("osc_in_host", "127.0.0.1"),
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self.cfg.get("osc_in_port", 9000)), disp)
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threading.Thread(target=osc_srv.serve_forever, daemon=True).start()
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# HTTP static server for the visualizer
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_serve_http(os.path.join(HERE, "viz"),
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self.cfg.get("http_port", 8080))
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ws_port = self.cfg.get("ws_port", 8765)
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print("╔══════════════════════════════════════════════╗")
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print("║ GODSTRUMENT hub online ")
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print(f"║ OSC in udp/{self.cfg.get('osc_in_port',9000)} "
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f"OSC out udp/{self.cfg.get('osc_out_port',9001)}")
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print(f"║ WebSocket ws/{ws_port}")
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print(f"║ Visualizer -> http://localhost:"
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f"{self.cfg.get('http_port',8080)}")
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print(f"║ MIDI out: {'connected' if self.midi else 'off (optional)'}")
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print(f"║ {len(self.route_meta)} routes patched, "
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f"clock {self.rate}Hz")
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print("╚══════════════════════════════════════════════╝")
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async with websockets.serve(self.ws_handler, "127.0.0.1", ws_port):
|
|
await self.control_loop()
|
|
|
|
|
|
def _open_midi(midi_cfg: dict):
|
|
if not midi_cfg.get("enabled"):
|
|
return None
|
|
try:
|
|
import rtmidi
|
|
out = rtmidi.MidiOut()
|
|
ports = out.get_ports()
|
|
target = midi_cfg.get("port_name", "IAC")
|
|
idx = next((i for i, p in enumerate(ports) if target.lower() in p.lower()),
|
|
None)
|
|
if idx is None and ports:
|
|
idx = 0
|
|
if idx is None:
|
|
out.open_virtual_port("Godstrument")
|
|
else:
|
|
out.open_port(idx)
|
|
print(f" MIDI -> {ports[idx]}")
|
|
return out
|
|
except Exception as e: # noqa
|
|
print(f" MIDI unavailable ({e}); continuing without it.")
|
|
return None
|
|
|
|
|
|
def _serve_http(directory: str, port: int):
|
|
try:
|
|
import auth # invite-only accounts + presets, mounted at /api/*
|
|
except Exception as e: # noqa
|
|
auth = None
|
|
print(f" (accounts disabled: {e})")
|
|
|
|
class Handler(SimpleHTTPRequestHandler):
|
|
def __init__(self, *a, **k):
|
|
super().__init__(*a, directory=directory, **k)
|
|
|
|
def log_message(self, *a, **k):
|
|
pass
|
|
|
|
def end_headers(self):
|
|
# never let a browser serve a stale console after a deploy
|
|
if not self.path.startswith("/api/"):
|
|
self.send_header("Cache-Control", "no-cache, must-revalidate")
|
|
super().end_headers()
|
|
|
|
def _api(self, method):
|
|
path = self.path.split("?", 1)[0]
|
|
if auth is None:
|
|
return self.send_error(503, "accounts unavailable")
|
|
length = int(self.headers.get("Content-Length", 0) or 0)
|
|
if length > 512 * 1024:
|
|
return self.send_error(413, "too large")
|
|
body = self.rfile.read(length) if length else b""
|
|
try:
|
|
status, resp, set_cookie = auth.handle_api(
|
|
method, path, body, self.headers.get("Cookie", ""))
|
|
except Exception: # never leak a stack trace to the client
|
|
status, resp, set_cookie = 500, {"error": "server error"}, None
|
|
payload = json.dumps(resp).encode()
|
|
self.send_response(status)
|
|
self.send_header("Content-Type", "application/json")
|
|
self.send_header("Content-Length", str(len(payload)))
|
|
self.send_header("Cache-Control", "no-store")
|
|
if set_cookie:
|
|
self.send_header("Set-Cookie", set_cookie)
|
|
self.end_headers()
|
|
self.wfile.write(payload)
|
|
|
|
def _force_https(self):
|
|
# visitors on http can't keep a Secure session cookie -> send them to
|
|
# https (Cloudflare sets X-Forwarded-Proto to the visitor's scheme).
|
|
if self.headers.get("X-Forwarded-Proto", "").lower() == "http":
|
|
host = self.headers.get("Host", "")
|
|
if host:
|
|
self.send_response(301)
|
|
self.send_header("Location", f"https://{host}{self.path}")
|
|
self.send_header("Content-Length", "0")
|
|
self.end_headers()
|
|
return True
|
|
return False
|
|
|
|
def do_GET(self):
|
|
if self._force_https():
|
|
return
|
|
self._api("GET") if self.path.startswith("/api/") else super().do_GET()
|
|
|
|
def do_POST(self):
|
|
self._api("POST") if self.path.startswith("/api/") else self.send_error(501)
|
|
|
|
def do_PUT(self):
|
|
self._api("PUT") if self.path.startswith("/api/") else self.send_error(501)
|
|
|
|
def do_DELETE(self):
|
|
self._api("DELETE") if self.path.startswith("/api/") else self.send_error(501)
|
|
|
|
httpd = ThreadingHTTPServer(("127.0.0.1", port), Handler)
|
|
threading.Thread(target=httpd.serve_forever, daemon=True).start()
|
|
|
|
|
|
def _clamp01(x: float) -> float:
|
|
return 0.0 if x < 0.0 else 1.0 if x > 1.0 else x
|
|
|
|
|
|
def _safe_name(name) -> str:
|
|
"""A patch name safe to use as a filename: basename only, alnum/-/_/space.
|
|
Defeats path traversal ('../x') and absolute paths from the ws command."""
|
|
base = os.path.basename(str(name or ""))
|
|
return "".join(c for c in base if c.isalnum() or c in "-_ ").strip()
|
|
|
|
|
|
def _ffloat(x, default: float = 0.0) -> float:
|
|
"""float() that rejects NaN/Infinity (json.loads accepts them) so a crafted
|
|
command can't poison the matrix or blind the console."""
|
|
try:
|
|
v = float(x)
|
|
except (TypeError, ValueError):
|
|
return default
|
|
return v if math.isfinite(v) else default
|
|
|
|
|
|
def main():
|
|
ap = argparse.ArgumentParser()
|
|
ap.add_argument("--config", default=os.path.join(HERE, "config.json"))
|
|
args = ap.parse_args()
|
|
with open(args.config) as f:
|
|
cfg = json.load(f)
|
|
hub = Hub(cfg)
|
|
try:
|
|
asyncio.run(hub.run())
|
|
except KeyboardInterrupt:
|
|
print("\n godstrument sleeps.")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|