Deserialize error from protocol transmission. Creates an error instance from a serialized dict. The returned error will be an instance of the appropriate subclass based on the error_type field, but constructed using the base DirtyError __init__ to preserve all detail
(cls, data)
| 32 | |
| 33 | @classmethod |
| 34 | def from_dict(cls, data): |
| 35 | """Deserialize error from protocol transmission. |
| 36 | |
| 37 | Creates an error instance from a serialized dict. The returned |
| 38 | error will be an instance of the appropriate subclass based on |
| 39 | the error_type field, but constructed using the base DirtyError |
| 40 | __init__ to preserve all details. |
| 41 | """ |
| 42 | error_classes = { |
| 43 | "DirtyError": DirtyError, |
| 44 | "DirtyTimeoutError": DirtyTimeoutError, |
| 45 | "DirtyConnectionError": DirtyConnectionError, |
| 46 | "DirtyWorkerError": DirtyWorkerError, |
| 47 | "DirtyAppError": DirtyAppError, |
| 48 | "DirtyAppNotFoundError": DirtyAppNotFoundError, |
| 49 | "DirtyNoWorkersAvailableError": DirtyNoWorkersAvailableError, |
| 50 | "DirtyProtocolError": DirtyProtocolError, |
| 51 | } |
| 52 | error_type = data.get("error_type", "DirtyError") |
| 53 | error_class = error_classes.get(error_type, DirtyError) |
| 54 | |
| 55 | # Create instance and set attributes directly to bypass |
| 56 | # subclass __init__ complexity while preserving error type |
| 57 | error = Exception.__new__(error_class) |
| 58 | error.message = data.get("message", "Unknown error") |
| 59 | error.details = data.get("details") or {} |
| 60 | Exception.__init__(error, error.message) |
| 61 | |
| 62 | # Set subclass-specific attributes from details |
| 63 | if error_class == DirtyTimeoutError: |
| 64 | error.timeout = error.details.get("timeout") |
| 65 | elif error_class == DirtyConnectionError: |
| 66 | error.socket_path = error.details.get("socket_path") |
| 67 | elif error_class == DirtyWorkerError: |
| 68 | error.worker_id = error.details.get("worker_id") |
| 69 | error.traceback = error.details.get("traceback") |
| 70 | elif error_class in (DirtyAppError, DirtyAppNotFoundError): |
| 71 | error.app_path = error.details.get("app_path") |
| 72 | error.action = error.details.get("action") |
| 73 | error.traceback = error.details.get("traceback") |
| 74 | elif error_class == DirtyNoWorkersAvailableError: |
| 75 | error.app_path = error.details.get("app_path") |
| 76 | |
| 77 | return error |
| 78 | |
| 79 | |
| 80 | class DirtyTimeoutError(DirtyError): |