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import errno
from typing import Optional
class NFSException(Exception):
def __init__(self, err_msg: str, errno: int = -1) -> None:
super(NFSException, self).__init__(errno, err_msg)
self.errno = errno
self.err_msg = err_msg
def __str__(self) -> str:
return self.err_msg
class NFSInvalidOperation(NFSException):
def __init__(self, err_msg: str) -> None:
super(NFSInvalidOperation, self).__init__(err_msg, -errno.EINVAL)
class NFSObjectNotFound(NFSException):
def __init__(self, err_msg: str) -> None:
super(NFSObjectNotFound, self).__init__(err_msg, -errno.ENOENT)
class FSNotFound(NFSObjectNotFound):
def __init__(self, fs_name: Optional[str]) -> None:
super(FSNotFound, self).__init__(f'filesystem {fs_name} not found')
class ClusterNotFound(NFSObjectNotFound):
def __init__(self) -> None:
super(ClusterNotFound, self).__init__('cluster does not exist')
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