18 lines
646 B
Python
18 lines
646 B
Python
from pathlib import Path
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from fastapi.responses import FileResponse, Response
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from app.api.pages.embedded_assets import EMBEDDED_ASSETS
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def serve_embedded_asset(static_dir: Path, relative_path: str, media_type: str) -> Response:
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"""优先返回磁盘文件，不存在时回退到内嵌资源。"""
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file_path = static_dir / relative_path
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if file_path.exists():
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return FileResponse(file_path, media_type=media_type)
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content = EMBEDDED_ASSETS.get(relative_path)
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if content is None:
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raise RuntimeError(f"Embedded asset not found: {relative_path}")
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return Response(content=content, media_type=media_type)
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