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Fix redownload pipeline — Track object, confidence, lock safety

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Three bugs that would crash when clicking Download Selected:

1. Passed raw dict to _attempt_download_with_candidates which accesses
   track.artists/track.album as attributes — now constructs Track object
2. TrackResult missing confidence attr — sort would crash — now set
   from candidate data
3. Redownload hook (old file delete + DB update) was inside tasks_lock
   blocking all task state changes — moved outside lock with proper
   None initialization
This commit is contained in:
Broque Thomas 2026-04-01 14:14:50 -07:00
parent 76a76c206e
commit af98cb54c4
1 changed files with 39 additions and 26 deletions
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65
web_server.py
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@ -13347,6 +13347,7 @@ def redownload_start(track_id):
def _run_redownload():
try:
from core.soulseek_client import TrackResult
from core.itunes_client import Track as MetaTrack
tr = TrackResult(
username=candidate['username'],
filename=candidate['filename'],
@ -13358,12 +13359,24 @@ def redownload_start(track_id):
upload_speed=candidate.get('upload_speed', 0),
queue_length=candidate.get('queue_length', 0),
)
# Set track metadata on the candidate
tr.artist = metadata.get('artist', '')
tr.title = metadata.get('name', '')
tr.album = metadata.get('album', '')
tr.confidence = candidate.get('confidence', 1.0)
_attempt_download_with_candidates(task_id, [tr], track_data, batch_id)
# Build a proper Track object (not a dict) — _attempt_download_with_candidates
# accesses track.artists, track.album etc. as attributes
artist_name = metadata.get('artist', '')
track_obj = MetaTrack(
id=metadata.get('id', ''),
name=metadata.get('name', ''),
artists=[artist_name] if artist_name else ['Unknown'],
album=metadata.get('album', ''),
duration_ms=metadata.get('duration_ms', 0),
popularity=0,
)
_attempt_download_with_candidates(task_id, [tr], track_obj, batch_id)
except Exception as e:
logger.error(f"Redownload failed: {e}", exc_info=True)
with tasks_lock:
@ -18183,40 +18196,40 @@ def _post_process_matched_download_with_verification(context_key, context, file_
# VERIFICATION: Check if file exists at the path processing actually used
if os.path.exists(expected_final_path):
# Mark task as completed only after successful verification
redownload_ctx = None
with tasks_lock:
if task_id in download_tasks:
_mark_task_completed(task_id, context.get('track_info'))
download_tasks[task_id]['metadata_enhanced'] = True
# Redownload hook: delete old file and update DB path
redownload_ctx = download_tasks[task_id].get('_redownload_context')
if redownload_ctx:
try:
old_path = redownload_ctx.get('old_file_path')
lib_track_id = redownload_ctx.get('library_track_id')
if redownload_ctx.get('delete_old_file') and old_path and os.path.exists(old_path):
if os.path.normpath(old_path) != os.path.normpath(expected_final_path):
os.remove(old_path)
logger.info(f"[Redownload] Deleted old file: {old_path}")
# Update DB track with new file path
if lib_track_id and expected_final_path:
_rd_db = get_database()
_rd_conn = _rd_db._get_connection()
_rd_cursor = _rd_conn.cursor()
_rd_cursor.execute("""
UPDATE tracks SET file_path = ?, updated_at = CURRENT_TIMESTAMP
WHERE id = ?
""", (expected_final_path, lib_track_id))
_rd_conn.commit()
_rd_conn.close()
logger.info(f"[Redownload] Updated DB path for track {lib_track_id}")
except Exception as e:
logger.error(f"[Redownload] Post-processing hook error: {e}")
with matched_context_lock:
if context_key in matched_downloads_context:
del matched_downloads_context[context_key]
# Redownload hook: delete old file and update DB path (outside locks)
if redownload_ctx:
try:
old_path = redownload_ctx.get('old_file_path')
lib_track_id = redownload_ctx.get('library_track_id')
if redownload_ctx.get('delete_old_file') and old_path and os.path.exists(old_path):
if os.path.normpath(old_path) != os.path.normpath(expected_final_path):
os.remove(old_path)
logger.info(f"[Redownload] Deleted old file: {old_path}")
if lib_track_id and expected_final_path:
_rd_db = get_database()
_rd_conn = _rd_db._get_connection()
_rd_cursor = _rd_conn.cursor()
_rd_cursor.execute("""
UPDATE tracks SET file_path = ?, updated_at = CURRENT_TIMESTAMP
WHERE id = ?
""", (expected_final_path, lib_track_id))
_rd_conn.commit()
_rd_conn.close()
logger.info(f"[Redownload] Updated DB path for track {lib_track_id}")
except Exception as e:
logger.error(f"[Redownload] Post-processing hook error: {e}")
_on_download_completed(batch_id, task_id, success=True)
else:
# Log failure details for diagnosis