36 lines
1010 B
Python
36 lines
1010 B
Python
"""Session data loading — reads frame/transcript indexes, returns plain data."""
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import json
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import logging
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from pathlib import Path
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log = logging.getLogger(__name__)
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def load_frame_index(frames_dir: Path) -> list[dict]:
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"""Read frames/index.json and return list of {id, path, timestamp}.
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Returns only entries where the image file exists on disk.
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Paths are resolved relative to *frames_dir* if needed.
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"""
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index_path = frames_dir / "index.json"
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if not index_path.exists():
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return []
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try:
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index = json.loads(index_path.read_text())
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except (json.JSONDecodeError, IOError):
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return []
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result = []
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for entry in index:
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fpath = Path(entry["path"])
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if not fpath.exists():
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fpath = frames_dir / fpath.name
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if not fpath.exists():
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continue
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result.append({
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"id": entry["id"],
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"path": fpath,
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"timestamp": entry.get("timestamp", 0),
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})
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return result
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