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"""Kazoo Exceptions"""
from collections import defaultdict
class KazooException(Exception):
"""Base Kazoo exception that all other kazoo library exceptions
inherit from"""
class ZookeeperError(KazooException):
"""Base Zookeeper exception for errors originating from the
Zookeeper server"""
class CancelledError(KazooException):
"""Raised when a process is cancelled by another thread"""
class ConfigurationError(KazooException):
"""Raised if the configuration arguments to an object are
invalid"""
class ZookeeperStoppedError(KazooException):
"""Raised when the kazoo client stopped (and thus not connected)"""
class ConnectionDropped(KazooException):
"""Internal error for jumping out of loops"""
class LockTimeout(KazooException):
"""Raised if failed to acquire a lock.
.. versionadded:: 1.1
"""
class WriterNotClosedException(KazooException):
"""Raised if the writer is unable to stop closing when requested.
.. versionadded:: 1.2
"""
class SASLException(KazooException):
"""Raised if SASL encountered a (local) error.
.. versionadded:: 2.7.0
"""
def _invalid_error_code():
raise RuntimeError('Invalid error code')
EXCEPTIONS = defaultdict(_invalid_error_code)
def _zookeeper_exception(code):
def decorator(klass):
EXCEPTIONS[code] = klass
klass.code = code
return klass
return decorator
@_zookeeper_exception(0)
class RolledBackError(ZookeeperError):
pass
@_zookeeper_exception(-1)
class SystemZookeeperError(ZookeeperError):
pass
@_zookeeper_exception(-2)
class RuntimeInconsistency(ZookeeperError):
pass
@_zookeeper_exception(-3)
class DataInconsistency(ZookeeperError):
pass
@_zookeeper_exception(-4)
class ConnectionLoss(ZookeeperError):
pass
@_zookeeper_exception(-5)
class MarshallingError(ZookeeperError):
pass
@_zookeeper_exception(-6)
class UnimplementedError(ZookeeperError):
pass
@_zookeeper_exception(-7)
class OperationTimeoutError(ZookeeperError):
pass
@_zookeeper_exception(-8)
class BadArgumentsError(ZookeeperError):
pass
@_zookeeper_exception(-13)
class NewConfigNoQuorumError(ZookeeperError):
pass
@_zookeeper_exception(-14)
class ReconfigInProcessError(ZookeeperError):
pass
@_zookeeper_exception(-100)
class APIError(ZookeeperError):
pass
@_zookeeper_exception(-101)
class NoNodeError(ZookeeperError):
pass
@_zookeeper_exception(-102)
class NoAuthError(ZookeeperError):
pass
@_zookeeper_exception(-103)
class BadVersionError(ZookeeperError):
pass
@_zookeeper_exception(-108)
class NoChildrenForEphemeralsError(ZookeeperError):
pass
@_zookeeper_exception(-110)
class NodeExistsError(ZookeeperError):
pass
@_zookeeper_exception(-111)
class NotEmptyError(ZookeeperError):
pass
@_zookeeper_exception(-112)
class SessionExpiredError(ZookeeperError):
pass
@_zookeeper_exception(-113)
class InvalidCallbackError(ZookeeperError):
pass
@_zookeeper_exception(-114)
class InvalidACLError(ZookeeperError):
pass
@_zookeeper_exception(-115)
class AuthFailedError(ZookeeperError):
pass
@_zookeeper_exception(-118)
class SessionMovedError(ZookeeperError):
pass
@_zookeeper_exception(-119)
class NotReadOnlyCallError(ZookeeperError):
"""An API call that is not read-only was used while connected to
a read-only server"""
class ConnectionClosedError(SessionExpiredError):
"""Connection is closed"""
# BW Compat aliases for C lib style exceptions
ConnectionLossException = ConnectionLoss
MarshallingErrorException = MarshallingError
SystemErrorException = SystemZookeeperError
RuntimeInconsistencyException = RuntimeInconsistency
DataInconsistencyException = DataInconsistency
UnimplementedException = UnimplementedError
OperationTimeoutException = OperationTimeoutError
BadArgumentsException = BadArgumentsError
ApiErrorException = APIError
NoNodeException = NoNodeError
NoAuthException = NoAuthError
BadVersionException = BadVersionError
NoChildrenForEphemeralsException = NoChildrenForEphemeralsError
NodeExistsException = NodeExistsError
InvalidACLException = InvalidACLError
AuthFailedException = AuthFailedError
NotEmptyException = NotEmptyError
SessionExpiredException = SessionExpiredError
InvalidCallbackException = InvalidCallbackError
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