Как разблокировать дорожки Timeline через DaVinci Resolve Python API

import os
import sys
from pathlib import Path


def import_resolve_module():
    try:
        import DaVinciResolveScript as dvr
        return dvr
    except ImportError:
        search_paths = [
            os.environ.get("RESOLVE_SCRIPT_API", ""),
            os.environ.get("RESOLVE_MODULES", ""),
            r"C:\\ProgramData\\Blackmagic Design\\DaVinci Resolve\\Support\\Developer\\Scripting\\Modules",
            "/opt/resolve/Developer/Scripting/Modules",
            "/opt/BlackmagicDesign/DaVinciResolve/Developer/Scripting/Modules",
            "/Library/Application Support/Blackmagic Design/DaVinci Resolve/Developer/Scripting/Modules",
            str(Path.home() / "Library/Application Support/Blackmagic Design/DaVinci Resolve/Developer/Scripting/Modules"),
        ]
        for path in search_paths:
            if path and os.path.isdir(path) and path not in sys.path:
                sys.path.append(path)
        import DaVinciResolveScript as dvr
        return dvr


def safe_call(obj, name, *args):
    try:
        fn = getattr(obj, name, None)
        if callable(fn):
            return fn(*args)
    except Exception:
        return None
    return None


dvr = import_resolve_module()
resolve = dvr.scriptapp("Resolve")
if not resolve:
    raise RuntimeError("DaVinci Resolve API недоступен")

project = resolve.GetProjectManager().GetCurrentProject()
if not project:
    raise RuntimeError("Нет открытого проекта DaVinci Resolve")

timeline = project.GetCurrentTimeline()
if not timeline:
    raise RuntimeError("Нет активного Timeline")
def unlock_all_tracks(timeline) -> None:
    for media_type in ("video", "audio"):
        track_count = int(safe_call(timeline, "GetTrackCount", media_type) or 0)
        for index in range(1, track_count + 1):
            safe_call(timeline, "SetTrackLock", media_type, index, False)
            safe_call(timeline, "SetTrackEnable", media_type, index, True)
            print(f"{media_type} track {index}: unlocked and enabled")


unlock_all_tracks(timeline)