83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
"""
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Legacy path mapper for assets generated by the 8502 runtime (/root/video-flow).
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Problem:
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- Postgres `scene_assets.local_path` may contain paths like `/root/video-flow/temp/...`
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which are not visible inside docker containers running 8503 stack.
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Solution:
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- Mount host directories into containers (e.g. /legacy/temp, /legacy/output)
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- Map legacy host paths -> container paths, and produce static URLs accordingly.
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"""
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from __future__ import annotations
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import os
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from pathlib import Path
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from typing import Optional, Tuple
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LEGACY_HOST_TEMP_PREFIX = "/root/video-flow/temp/"
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LEGACY_HOST_OUTPUT_PREFIX = "/root/video-flow/output/"
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LEGACY_HOST_PREFIX = "/root/video-flow/"
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# Container mount points (see docker-compose.yml)
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LEGACY_CONTAINER_TEMP_DIR = "/legacy/temp"
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LEGACY_CONTAINER_OUTPUT_DIR = "/legacy/output"
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LEGACY_STATIC_TEMP_PREFIX = "/static/legacy-temp/"
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LEGACY_STATIC_OUTPUT_PREFIX = "/static/legacy-output/"
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def map_legacy_local_path(local_path: Optional[str]) -> Tuple[Optional[str], Optional[str]]:
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"""
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Returns: (container_visible_path, static_url)
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- If local_path exists as-is, returns (local_path, None)
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- If it's a legacy host path, rewrite to container mount and provide URL
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- If unknown, returns (local_path, None)
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"""
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if not local_path:
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return None, None
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# If container can see it already, keep
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if os.path.exists(local_path):
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return local_path, None
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# Legacy host path -> current container workspace path (same repo but different prefix)
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# Example:
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# /root/video-flow/temp/projects/... -> /app/temp/projects/...
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# This covers cases where we don't mount /legacy/* but the files were copied into current stack.
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if local_path.startswith(LEGACY_HOST_PREFIX):
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rest = local_path[len(LEGACY_HOST_PREFIX):].lstrip("/")
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candidate = str(Path("/app") / rest)
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if os.path.exists(candidate):
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return candidate, None
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# Legacy host -> container mapping (preserve relative path)
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if local_path.startswith(LEGACY_HOST_TEMP_PREFIX):
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rel = local_path[len(LEGACY_HOST_TEMP_PREFIX):].lstrip("/")
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container_path = str(Path(LEGACY_CONTAINER_TEMP_DIR) / rel)
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# 静态路由通常只覆盖目录根（不包含子目录）；这里交给 /api/assets/file 做 FileResponse 更稳
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return container_path, None
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if local_path.startswith(LEGACY_HOST_OUTPUT_PREFIX):
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rel = local_path[len(LEGACY_HOST_OUTPUT_PREFIX):].lstrip("/")
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container_path = str(Path(LEGACY_CONTAINER_OUTPUT_DIR) / rel)
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return container_path, None
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# Unknown path: keep as-is
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return local_path, None
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