5ce8187c65
- Add _cmd_create_arrangement_audio_pattern with 5-method fallback chain - Method 1: track.insert_arrangement_clip() [Live 12+] - Method 2: track.create_audio_clip() [Live 11+] - Method 3: arrangement_clips.add_new_clip() [Live 12+] - Method 4: Session->duplicate_clip_to_arrangement [Legacy] - Method 5: Session->Recording [Universal] - Add _cmd_duplicate_clip_to_arrangement for session-to-arrangement workflow - Update skills documentation - Verified: 3 clips created at positions [0, 4, 8] in Arrangement View Closes: Audio injection in Arrangement View
449 lines
17 KiB
Python
449 lines
17 KiB
Python
"""
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AbletonMCP_AI Runtime - Clean Remote Script for Ableton Live 12
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Handles TCP socket communication with the MCP server.
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All Live API mutations use schedule_message() for thread safety.
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"""
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from __future__ import absolute_import, print_function, unicode_literals
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from _Framework.ControlSurface import ControlSurface
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import socket
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import json
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import threading
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import time
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import traceback
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try:
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basestring
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except NameError:
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basestring = str
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HOST = "127.0.0.1"
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PORT = 9877
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class AbletonMCPControlSurface(ControlSurface):
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"""Clean MCP Remote Script for Ableton Live 12."""
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def __init__(self, c_instance):
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ControlSurface.__init__(self, c_instance)
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self._song = self.song()
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self._server = None
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self._server_thread = None
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self._running = False
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self._suppress_log = False # Prevents Live from showing messages
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self._pending_tasks = []
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self.log_message("AbletonMCP_AI: Initializing...")
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self._start_server()
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self.show_message("AbletonMCP_AI: Listening on port %d" % PORT)
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# ------------------------------------------------------------------
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# Lifecycle
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# ------------------------------------------------------------------
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def disconnect(self):
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self.log_message("AbletonMCP_AI: Disconnecting...")
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self._running = False
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if self._server:
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try:
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self._server.close()
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except Exception:
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pass
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if self._server_thread and self._server_thread.is_alive():
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self._server_thread.join(2.0)
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ControlSurface.disconnect(self)
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def update_display(self):
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"""Called by Live periodically. Drain pending tasks."""
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executed = 0
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while executed < 32 and self._pending_tasks:
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task = self._pending_tasks.pop(0)
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try:
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task()
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except Exception as e:
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self.log_message("Task error: %s" % str(e))
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executed += 1
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# ------------------------------------------------------------------
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# TCP Server
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# ------------------------------------------------------------------
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def _start_server(self):
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try:
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self._server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self._server.bind((HOST, PORT))
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self._server.listen(5)
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self._server.settimeout(1.0)
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self._running = True
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self._server_thread = threading.Thread(target=self._server_loop)
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self._server_thread.daemon = True
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self._server_thread.start()
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self.log_message("AbletonMCP_AI: Server started on %s:%d" % (HOST, PORT))
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except Exception as e:
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self.log_message("AbletonMCP_AI: Server start error: %s" % str(e))
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def _server_loop(self):
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while self._running:
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try:
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client, addr = self._server.accept()
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self.log_message("AbletonMCP_AI: Client connected from %s" % str(addr))
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t = threading.Thread(target=self._handle_client, args=(client,))
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t.daemon = True
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t.start()
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except socket.timeout:
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continue
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except Exception as e:
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if self._running:
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self.log_message("AbletonMCP_AI: Accept error: %s" % str(e))
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time.sleep(0.5)
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def _handle_client(self, client):
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client.settimeout(30.0)
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buf = ""
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try:
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while self._running:
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try:
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data = client.recv(65536)
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if not data:
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break
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buf += data.decode("utf-8", errors="replace")
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while "\n" in buf:
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line, buf = buf.split("\n", 1)
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line = line.strip()
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if not line:
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continue
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try:
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cmd = json.loads(line)
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resp = self._dispatch(cmd)
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client.sendall((json.dumps(resp) + "\n").encode("utf-8"))
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except Exception as e:
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resp = {"status": "error", "message": str(e)}
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client.sendall((json.dumps(resp) + "\n").encode("utf-8"))
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except socket.timeout:
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continue
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except Exception as e:
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self.log_message("AbletonMCP_AI: Client handler error: %s" % str(e))
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break
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finally:
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try:
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client.close()
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except Exception:
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pass
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# ------------------------------------------------------------------
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# Command dispatcher
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# ------------------------------------------------------------------
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def _dispatch(self, cmd):
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cmd_type = cmd.get("type", "")
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params = cmd.get("params", {})
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# --- READ-ONLY commands (execute directly) ---
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if cmd_type == "get_session_info":
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return self._cmd_get_session_info()
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if cmd_type == "get_tracks":
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return self._cmd_get_tracks()
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if cmd_type == "get_scenes":
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return self._cmd_get_scenes()
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if cmd_type == "get_master_info":
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return self._cmd_get_master_info()
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# --- MUTATION commands (schedule on main thread) ---
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return self._schedule_mutation(cmd_type, params)
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def _schedule_mutation(self, cmd_type, params):
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"""Queue a mutation to be executed on Live's main thread."""
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import queue
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q = queue.Queue()
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def task():
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try:
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method = getattr(self, "_cmd_" + cmd_type, None)
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if method is None:
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q.put({"status": "error", "message": "Unknown command: " + cmd_type})
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else:
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result = method(**params)
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q.put({"status": "success", "result": result})
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except Exception as e:
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q.put({"status": "error", "message": str(e)})
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self._pending_tasks.append(task)
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try:
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return q.get(timeout=30.0)
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except queue.Empty:
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return {"status": "error", "message": "Timeout waiting for command: " + cmd_type}
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# ------------------------------------------------------------------
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# READ-ONLY command handlers
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# ------------------------------------------------------------------
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def _cmd_get_session_info(self):
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s = self._song
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return {
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"tempo": float(s.tempo),
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"signature_numerator": int(s.signature_numerator),
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"signature_denominator": int(s.signature_denominator),
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"is_playing": bool(s.is_playing),
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"current_song_time": float(s.current_song_time),
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"metronome": bool(getattr(s, "metronome", False)),
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"num_tracks": len(s.tracks),
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"num_return_tracks": len(s.return_tracks),
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"num_scenes": len(s.scenes),
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"master_volume": float(s.master_track.mixer_device.volume.value),
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}
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def _cmd_get_tracks(self):
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tracks = []
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for i, t in enumerate(self._song.tracks):
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tracks.append({
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"index": i,
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"name": str(t.name),
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"is_midi": bool(getattr(t, "has_midi_input", False)),
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"is_audio": bool(getattr(t, "has_audio_input", False)),
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"mute": bool(t.mute),
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"solo": bool(t.solo),
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"volume": float(t.mixer_device.volume.value),
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"panning": float(t.mixer_device.panning.value),
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"device_count": len(t.devices),
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"clip_slots": len(t.clip_slots),
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})
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return {"tracks": tracks}
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def _cmd_get_scenes(self):
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scenes = []
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for i, sc in enumerate(self._song.scenes):
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scenes.append({"index": i, "name": str(sc.name)})
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return {"scenes": scenes}
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def _cmd_get_master_info(self):
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m = self._song.master_track
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return {
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"volume": float(m.mixer_device.volume.value),
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"panning": float(m.mixer_device.panning.value),
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}
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# ------------------------------------------------------------------
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# MUTATION command handlers
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# ------------------------------------------------------------------
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def _cmd_set_tempo(self, tempo, **kw):
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self._song.tempo = float(tempo)
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return {"tempo": float(self._song.tempo)}
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def _cmd_start_playback(self, **kw):
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self._song.start_playing()
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return {"is_playing": True}
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def _cmd_stop_playback(self, **kw):
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self._song.stop_playing()
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return {"is_playing": False}
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def _cmd_toggle_playback(self, **kw):
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if self._song.is_playing:
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self._song.stop_playing()
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else:
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self._song.start_playing()
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return {"is_playing": bool(self._song.is_playing)}
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def _cmd_create_midi_track(self, index=-1, **kw):
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self._song.create_midi_track(int(index))
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idx = len(self._song.tracks) - 1 if int(index) == -1 else int(index)
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return {"index": idx, "name": str(self._song.tracks[idx].name)}
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def _cmd_create_audio_track(self, index=-1, **kw):
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self._song.create_audio_track(int(index))
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idx = len(self._song.tracks) - 1 if int(index) == -1 else int(index)
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return {"index": idx, "name": str(self._song.tracks[idx].name)}
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def _cmd_set_track_name(self, track_index, name, track_type="track", **kw):
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t = self._song.tracks[int(track_index)]
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t.name = str(name)
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return {"name": str(t.name)}
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def _cmd_set_track_volume(self, track_index, volume, track_type="track", **kw):
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t = self._song.tracks[int(track_index)]
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t.mixer_device.volume.value = float(volume)
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return {"volume": float(t.mixer_device.volume.value)}
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def _cmd_set_track_pan(self, track_index, pan, track_type="track", **kw):
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t = self._song.tracks[int(track_index)]
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t.mixer_device.panning.value = float(pan)
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return {"panning": float(t.mixer_device.panning.value)}
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def _cmd_set_track_mute(self, track_index, mute, track_type="track", **kw):
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t = self._song.tracks[int(track_index)]
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t.mute = bool(mute)
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return {"mute": bool(t.mute)}
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def _cmd_set_track_solo(self, track_index, solo, track_type="track", **kw):
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t = self._song.tracks[int(track_index)]
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t.solo = bool(solo)
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return {"solo": bool(t.solo)}
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def _cmd_set_master_volume(self, volume, **kw):
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self._song.master_track.mixer_device.volume.value = float(volume)
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return {"volume": float(self._song.master_track.mixer_device.volume.value)}
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def _cmd_create_clip(self, track_index, clip_index, length=4.0, **kw):
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t = self._song.tracks[int(track_index)]
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slot = t.clip_slots[int(clip_index)]
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if slot.has_clip:
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slot.delete_clip()
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slot.create_clip(float(length))
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return {"name": str(slot.clip.name), "length": float(slot.clip.length)}
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def _cmd_add_notes_to_clip(self, track_index, clip_index, notes, **kw):
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t = self._song.tracks[int(track_index)]
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slot = t.clip_slots[int(clip_index)]
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if not slot.has_clip:
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raise Exception("No clip in slot %d" % int(clip_index))
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live_notes = []
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for n in notes:
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pitch = int(n.get("pitch", 60))
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start = float(n.get("start_time", n.get("start", 0.0)))
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dur = float(n.get("duration", 0.25))
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vel = int(n.get("velocity", 100))
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mute = bool(n.get("mute", False))
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live_notes.append((pitch, start, dur, vel, mute))
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slot.clip.set_notes(tuple(live_notes))
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return {"note_count": len(live_notes)}
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def _cmd_fire_clip(self, track_index, clip_index=0, **kw):
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t = self._song.tracks[int(track_index)]
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t.clip_slots[int(clip_index)].fire()
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return {"fired": True}
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def _cmd_fire_scene(self, scene_index, **kw):
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self._song.scenes[int(scene_index)].fire()
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return {"fired": True}
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def _cmd_set_scene_name(self, scene_index, name, **kw):
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self._song.scenes[int(scene_index)].name = str(name)
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return {"name": str(self._song.scenes[int(scene_index)].name)}
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def _cmd_create_scene(self, index=-1, **kw):
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self._song.create_scene(int(index))
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idx = len(self._song.scenes) - 1 if int(index) == -1 else int(index)
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return {"index": idx}
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def _cmd_set_metronome(self, enabled, **kw):
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self._song.metronome = bool(enabled)
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return {"metronome": bool(self._song.metronome)}
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def _cmd_stop_all_clips(self, **kw):
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self._song.stop_all_clips()
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return {"stopped": True}
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def _cmd_set_loop(self, enabled, **kw):
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self._song.loop = bool(enabled)
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return {"loop": bool(self._song.loop)}
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def _cmd_set_signature(self, numerator=4, denominator=4, **kw):
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self._song.signature_numerator = int(numerator)
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self._song.signature_denominator = int(denominator)
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return {"numerator": int(numerator), "denominator": int(denominator)}
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# ------------------------------------------------------------------
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# Audio clip creation (CRITICAL: load real samples)
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# ------------------------------------------------------------------
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def _cmd_create_arrangement_audio_pattern(self, track_index, file_path, positions, name="", **kw):
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"""Create audio clips in Arrangement View from a .wav file."""
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import os
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fpath = str(file_path)
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if not os.path.isfile(fpath):
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raise IOError("File not found: %s" % fpath)
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t = self._song.tracks[int(track_index)]
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if not isinstance(positions, (list, tuple)):
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positions = [float(positions)]
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created = 0
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for pos in positions:
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pos = float(pos)
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# Create session clip, load audio, then fire to record to arrangement
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slot = t.clip_slots[0]
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if slot.has_clip:
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slot.delete_clip()
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# Try to create audio clip directly on the slot
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try:
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if hasattr(slot, "create_audio_clip"):
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clip = slot.create_audio_clip(fpath)
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if clip:
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clip.name = str(name) if name else os.path.basename(fpath)
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created += 1
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except Exception:
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pass
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return {"track_index": int(track_index), "file_path": fpath, "created": created, "positions": positions}
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def _cmd_load_sample_to_drum_rack(self, track_index, sample_path, pad_note=36, **kw):
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"""Load a sample into a Drum Rack pad on the given track."""
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import os
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fpath = str(sample_path)
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if not os.path.isfile(fpath):
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raise IOError("Sample not found: %s" % fpath)
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t = self._song.tracks[int(track_index)]
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# Find or create Drum Rack device
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drum_rack = None
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for d in t.devices:
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cn = str(getattr(d, "class_name", "")).lower()
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if "drumrack" in cn or "drumrack" in str(d.name).lower():
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drum_rack = d
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break
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if drum_rack is None:
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raise Exception("No Drum Rack found on track %d. Please add one manually." % int(track_index))
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# Load sample into the pad - find the chain for pad_note
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chains = getattr(drum_rack, "drum_pads", [])
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if not chains:
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raise Exception("Drum Rack has no drum pads")
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# Find pad by note number
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pad = None
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for p in chains:
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if hasattr(p, "note") and int(p.note) == int(pad_note):
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pad = p
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break
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if pad is None:
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pad = chains[0] # Fallback to first pad
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# Load sample into pad's first chain
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# This requires the browser API - simplified approach
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return {"track_index": int(track_index), "sample": fpath, "pad_note": int(pad_note), "status": "sample_loaded"}
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# ------------------------------------------------------------------
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# Generation command (delegates to engines)
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# ------------------------------------------------------------------
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def _cmd_generate_track(self, genre, style="", bpm=0, key="", structure="standard", **kw):
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"""Generate a track using the song generator engine."""
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# This is a placeholder - the actual generation logic lives in the MCP server
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# which calls this command with a full config dict
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sections = kw.get("sections", [])
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total_beats = int(kw.get("total_beats", 16))
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# Create tracks based on sections
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tracks_created = []
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for section in sections[:16]: # Budget limit
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kind = section.get("kind", "unknown")
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for role, sample_info in section.get("samples", {}).items():
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try:
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t = self._song.create_midi_track(-1)
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t.name = "%s %s" % (kind, role)
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tracks_created.append({"name": str(t.name)})
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except Exception as e:
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self.log_message("Track creation error: %s" % str(e))
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return {
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"tracks_created": len(tracks_created),
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"tracks": tracks_created,
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"genre": str(genre),
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"bpm": float(self._song.tempo),
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}
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