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fix(search): handle path operation failures in symbol filtering

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Adds robust exception handling for os.path.commonpath() in search_symbols()
to prevent crashes on malformed paths and Windows cross-drive scenarios.
Invalid symbols are skipped with debug logging, search continues.

Solution-ID: SOL-1735385400004
Issue-ID: ISS-1766921318981-4
Task-ID: T1
This commit is contained in:
catlog22
2025-12-29 18:59:10 +08:00
parent 5d5652c2c5
commit 6a73d3c379
2 changed files with 111 additions and 1 deletions
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31
codex-lens/src/codexlens/search/chain_search.py
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@@ -337,12 +337,41 @@ class ChainSearchEngine:
root_cmp = root_str.lower().rstrip("\\/")
dir_cmp = file_dir_str.lower().rstrip("\\/")
# Guard against Windows cross-drive comparisons (ValueError).
if os.name == "nt":
root_drive, _ = os.path.splitdrive(root_cmp)
dir_drive, _ = os.path.splitdrive(dir_cmp)
if root_drive and dir_drive and root_drive != dir_drive:
self.logger.debug(
"Skipping symbol due to cross-drive path (root=%s file=%s name=%s)",
root_cmp,
sym.file,
sym.name,
)
continue
if os.path.commonpath([root_cmp, dir_cmp]) != root_cmp:
continue
rel = os.path.relpath(dir_cmp, root_cmp)
rel_depth = 0 if rel == "." else len(rel.split(os.sep))
except Exception:
except ValueError as exc:
self.logger.debug(
"Skipping symbol due to path operation failure (root=%s file=%s name=%s): %s",
str(search_root),
sym.file,
sym.name,
exc,
)
continue
except Exception as exc:
self.logger.debug(
"Skipping symbol due to unexpected path error (root=%s file=%s name=%s): %s",
str(search_root),
sym.file,
sym.name,
exc,
)
continue
if options.depth >= 0 and rel_depth > options.depth: