from typing import Optional from wandb.proto import wandb_internal_pb2 as pb from . import AuthenticationError, CommError, Error, UnsupportedError, UsageError to_exception_map = { pb.ErrorInfo.UNKNOWN: Error, pb.ErrorInfo.COMMUNICATION: CommError, pb.ErrorInfo.AUTHENTICATION: AuthenticationError, pb.ErrorInfo.USAGE: UsageError, pb.ErrorInfo.UNSUPPORTED: UnsupportedError, } from_exception_map = {v: k for k, v in to_exception_map.items()} class ProtobufErrorHandler: """Converts protobuf errors to exceptions and vice versa.""" @staticmethod def to_exception(error: pb.ErrorInfo) -> Optional[Error]: """Convert a protobuf error to an exception. Args: error: The protobuf error to convert. Returns: The corresponding exception. """ if not error.SerializeToString(): return None if error.code in to_exception_map: return to_exception_map[error.code](error.message) return Error(error.message) @classmethod def from_exception(cls, exc: Error) -> "pb.ErrorInfo": """Convert an wandb error to a protobuf error message. Args: exc: The exception to convert. Returns: The corresponding protobuf error message. """ if not isinstance(exc, Error): raise TypeError("exc must be a subclass of wandb.errors.Error") code = None for subclass in type(exc).__mro__: if subclass in from_exception_map: code = from_exception_map[subclass] # type: ignore break return pb.ErrorInfo(code=code, message=str(exc)) # type: ignore