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Refactor move_preview_frames function (#23264)

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Refactor move_preview_frames to simplify logic and improve error handling.
This commit is contained in:
Sean Kelly 2026-05-20 09:52:47 -07:00 committed by GitHub
parent 8ea46e7c6c
commit a576ad5218
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1 changed files with 23 additions and 13 deletions
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36
frigate/output/output.py
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@ -342,20 +342,30 @@ def move_preview_frames(loc: str) -> None:
preview_holdover = os.path.join(CLIPS_DIR, "preview_restart_cache")
preview_cache = os.path.join(CACHE_DIR, "preview_frames")
if loc == "clips":
src = preview_cache
dst = preview_holdover
elif loc == "cache":
src = preview_holdover
dst = preview_cache
else:
return
try:
if loc == "clips":
shutil.move(preview_cache, preview_holdover)
elif loc == "cache":
if not os.path.exists(preview_holdover):
return
if not os.path.exists(src):
return
if not os.access(preview_holdover, os.R_OK | os.W_OK):
logger.error(
"Insufficient permissions on preview restart cache at %s",
preview_holdover,
)
return
shutil.move(src, dst)
shutil.move(preview_holdover, preview_cache)
except PermissionError:
logger.error(
"Insufficient permissions while moving preview restart cache from %s to %s",
src,
dst,
)
except shutil.Error:
logger.error("Failed to restore preview cache.")
logger.error(
"Failed to move preview restart cache from %s to %s",
src,
dst,
)