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Bug Fix: preserve original file mtime during HTML entity resolution to prevent infinite refresh loop

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SergeantPanda 2026-03-28 14:21:37 -05:00
parent 6f516c0074
commit dd97b642c7
1 changed files with 13 additions and 0 deletions
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13
apps/epg/tasks.py
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@ -94,6 +94,15 @@ def _resolve_html_entities(file_path):
header = f.read(200)
encoding = _detect_xml_encoding(header)
# Capture the original mtime before modifying the file so that os.replace()
# does not update the file's mtime. The file watcher in core/tasks.py uses
# mtime to detect changes; if we let mtime advance it would trigger an
# infinite refresh loop for local file-based EPG sources.
try:
original_stat = os.stat(file_path)
except OSError:
original_stat = None
temp_path = file_path + '.entity_tmp'
success = False
try:
@ -102,6 +111,10 @@ def _resolve_html_entities(file_path):
for line in src:
dst.write(_NAMED_ENTITY_RE.sub(_replace_html_entity, line))
os.replace(temp_path, file_path)
# Restore the original mtime (and atime) so the file watcher does not
# mistake the rewrite for an external update.
if original_stat is not None:
os.utime(file_path, (original_stat.st_atime, original_stat.st_mtime))
success = True
logger.debug(f"Resolved HTML entities in {file_path} (encoding: {encoding})")
except Exception as e: