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perf(api): skip progress re-parse when the file is unchanged

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This commit is contained in:
imSp4rky
2026-07-16 23:22:12 -06:00
parent 0b93de94a2
commit 15a368f7e9
1 changed files with 6 additions and 2 deletions
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unshackle/core/api/download_manager.py
+6 -2
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@@ -905,6 +905,7 @@ class DownloadQueueManager:
stdout_bytes = b""
stderr_bytes = b""
last_progress_stat: Optional[tuple[int, int]] = None # (st_mtime_ns, st_size) of last parse
try:
while True:
@@ -913,9 +914,12 @@ class DownloadQueueManager:
stdout_bytes, stderr_bytes = communicate_task.result()
break
# Check for progress updates
# Check for progress updates (skip re-parse when the file hasn't changed since last tick)
try:
if os.path.exists(progress_path):
stat = os.stat(progress_path)
stat_key = (stat.st_mtime_ns, stat.st_size)
if stat_key != last_progress_stat:
last_progress_stat = stat_key
with open(progress_path, "r", encoding="utf-8") as handle:
progress_data = json.load(handle)
if progress_data.get("phase") and progress_data["phase"] != job.phase: