Как узнать тип и номер дорожки TimelineItem через 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, **kwargs):
    try:
        fn = getattr(obj, name, None)
        if callable(fn):
            return fn(*args, **kwargs)
    except Exception:
        return None
    return None


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

    project_manager = safe_call(resolve, "GetProjectManager")
    project = safe_call(project_manager, "GetCurrentProject") if project_manager else None
    if not project:
        raise RuntimeError("Нет открытого проекта DaVinci Resolve")

    timeline = safe_call(project, "GetCurrentTimeline")
    if not timeline:
        raise RuntimeError("Нет активного Timeline")

    return resolve, project, timeline


def item_track_info(item) -> tuple[str, int]:
    media_type = str(safe_call(item, "GetMediaType") or "")
    track_index = safe_call(item, "GetTrackIndex")
    try:
        track_index = int(track_index)
    except Exception:
        track_index = 0
    return media_type, track_index


def collect_track_info(timeline, media_type: str = "video") -> list[dict]:
    rows = []
    track_count = int(safe_call(timeline, "GetTrackCount", media_type) or 0)
    for track_index in range(1, track_count + 1):
        items = safe_call(timeline, "GetItemListInTrack", media_type, track_index) or []
        for item in items:
            item_media_type, item_track_index = item_track_info(item)
            rows.append({
                "name": safe_call(item, "GetName") or "",
                "media_type": item_media_type,
                "track_index": item_track_index or track_index,
            })
    return rows


resolve, project, timeline = get_project_and_timeline()
for row in collect_track_info(timeline, "video"):
    print(row)