{"record":{"id":"739f851d33c9f2cc","repo":"langchain-ai/deepagents","slug":"source-display-path-path-exc","errorCode":null,"errorMessage":"{source}: {_display_path(path)}: {exc}","messagePattern":"\\{source\\}: \\{_display_path\\(path\\)\\}: \\{exc\\}","errorType":"error_code","errorClass":"FleetImportError","httpStatus":null,"severity":"error","filePath":"libs/talon/deepagents_talon/fleet_import.py","lineNumber":358,"sourceCode":"        paths.append((root, \"root\"))\n    agents = staging / \"agents\"\n    if agents.is_dir():\n        for child in sorted(agents.iterdir(), key=lambda item: item.name):\n            path = child / \"tools.json\"\n            if path.is_file():\n                paths.append((path, child.name))\n    return paths\n\n\ndef _load_tool_requests(path: Path, scope: str, source: Path) -> list[_ToolRequest]:\n    try:\n        data = json.loads(path.read_text(encoding=\"utf-8\"))\n    except json.JSONDecodeError as exc:\n        msg = f\"{source}: {_display_path(path)}: malformed tools.json: {exc.msg}\"\n        raise FleetImportError(msg) from exc\n    except OSError as exc:\n        msg = f\"{source}: {_display_path(path)}: {exc}\"\n        raise FleetImportError(msg) from exc\n    if not isinstance(data, dict):\n        msg = f\"{source}: {_display_path(path)}: malformed tools.json: expected object\"\n        raise FleetImportError(msg)\n\n    raw_tools = data.get(\"tools\")\n    if not isinstance(raw_tools, list):\n        msg = f\"{source}: {_display_path(path)}: malformed tools.json: expected tools list\"\n        raise FleetImportError(msg)\n    interrupt_config = data.get(\"interrupt_config\")\n    interrupts = interrupt_config if isinstance(interrupt_config, dict) else {}\n\n    requests: list[_ToolRequest] = []\n    for index, item in enumerate(raw_tools):\n        if not isinstance(item, dict):\n            msg = f\"{source}: {_display_path(path)}: tools[{index}] must be an object\"\n            raise FleetImportError(msg)\n        tool = cast(\"Mapping[str, object]\", item)\n        name = _required_str(tool, \"name\", path, index, source)","sourceCodeStart":340,"sourceCodeEnd":376,"githubUrl":"https://github.com/langchain-ai/deepagents/blob/a1af029e6e73cb17c36bff823d227747b28e91e1/libs/talon/deepagents_talon/fleet_import.py#L340-L376","documentation":"The staged `tools.json` file could not be read from disk during import — an `OSError` (permission denied, missing file after staging, I/O error) occurred while `read_text`. The OS error text is included along with the source archive and display path.","triggerScenarios":"`import_fleet_zip` → `_mcp_summaries` → `_load_tool_requests` raises `OSError` on `path.read_text(encoding=\"utf-8\")`.","commonSituations":"Read-permission problems from restrictive umask/ACLs, the file vanished between validation and staging (concurrent process, antivirus quarantine), filesystem errors on the temp dir, or disk full.","solutions":["Check permissions and existence of the staging temp file; re-run the import on a normal writable filesystem","Close tools that lock temp files (AV/indexers) and exclude the import temp dir from scanning","Ensure the source archive entry is a regular readable file (not an encrypted/unsupported compression method that decodes to nothing)","Retry the import; a transient I/O error often clears on re-run"],"exampleFix":"// before: file locked/quarantined during read\n// after: run import with standard permissions, AV exclusion on /tmp\nchmod u+r tools.json && python -c \"import fleet_import; fleet_import.import_fleet_zip(Path('fleet.zip'), target_dir=Path('agent'))\"","handlingStrategy":"try-catch","validationCode":"import json\n\ntry:\n    json.loads(open(\"tools.json\", encoding=\"utf-8\").read())\nexcept OSError as exc:\n    raise SystemExit(f\"tools.json unreadable: {exc}\")","typeGuard":null,"tryCatchPattern":"try:\n    import_fleet_zip(zip_path, target_dir=target)\nexcept FleetImportError as exc:\n    if \"tools.json\" in str(exc) and \"malformed\" not in str(exc):\n        print(f\"Filesystem error reading tools.json: {exc}; check perms/locks and retry\")\n    raise","preventionTips":["Ensure source files are readable (u+r) before zipping","Exclude import temp dirs from AV/indexer scanning","Run imports on local writable filesystems, not network mounts with flaky I/O"],"tags":["filesystem","io","zip","environment"],"backgroundTag":"file-read-permission-denied","analyzedSha":"a1af029e6e73cb17c36bff823d227747b28e91e1","analyzedAt":"2026-08-29T11:43:24.718Z","schemaVersion":2},"datasetVersion":"2026-08-29T12:17:43.993Z"}