minos.saga.exceptions

Exceptions

`AlreadyCommittedException`	Exception to be raised when trying to modifying an already committed saga.
`AlreadyOnSagaException`	Exception to be raised when a saga step is already in another saga.
`EmptySagaException`	Exception to be raised when saga is empty.
`EmptySagaStepException`	Exception to be raised when the step is empty.
`ExecutorException`	Exception to be raised when a saga executor raises some exception.
`MultipleElseThenException`	Exception to be raised when multiple else then alternatives are defined.
`MultipleOnErrorException`	Exception to be raised when multiple on error methods are defined.
`MultipleOnExecuteException`	Exception to be raised when multiple on execute methods are defined.
`MultipleOnFailureException`	Exception to be raised when multiple on failure methods are defined.
`MultipleOnSuccessException`	Exception to be raised when multiple on success methods are defined.
`SagaException`	Base saga exception.
`SagaExecutionAlreadyExecutedException`	Exception to be raised when a saga execution cannot be executed.
`SagaExecutionException`	Base exception for saga execution.
`SagaExecutionNotFoundException`	Exception to be raised when a saga execution is not found.
`SagaFailedCommitCallbackException`	Exception to be raised when a saga commit callback raises some exception
`SagaFailedExecutionException`	Exception to be raised when a saga execution failed while running.
`SagaFailedExecutionStepException`	Exception to be raised when a saga execution step failed while running.
`SagaNotCommittedException`	Exception to be raised when trying to exec a not committed saga.
`SagaNotDefinedException`	Exception to be raised when the saga is not defined.
`SagaPausedExecutionStepException`	Exception to be raised when a saga execution step is paused.
`SagaResponseException`	Exception to be used when `CommandStatus` is not `SUCCESS`
`SagaRollbackExecutionException`	Exception to be raised when a saga exception cannot be rollbacked
`SagaRollbackExecutionStepException`	Exception to be raised when a saga execution step failed while performing a rollback.
`SagaStepException`	Base exception for saga steps.
`SagaStepExecutionException`	Base exception for saga execution step.
`UndefinedOnExecuteException`	Exception to be raised when the on execute method is not defined.

exception SagaException[source]

Bases: MinosException

Base saga exception.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception EmptySagaException[source]

Bases: SagaException

Exception to be raised when saga is empty.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaNotCommittedException[source]

Bases: SagaException

Exception to be raised when trying to exec a not committed saga.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaStepException[source]

Bases: SagaException

Base exception for saga steps.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaNotDefinedException[source]

Bases: SagaStepException

Exception to be raised when the saga is not defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception EmptySagaStepException[source]

Bases: SagaStepException

Exception to be raised when the step is empty.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception MultipleOnExecuteException[source]

Bases: SagaStepException

Exception to be raised when multiple on execute methods are defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception MultipleOnFailureException[source]

Bases: SagaStepException

Exception to be raised when multiple on failure methods are defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception MultipleOnSuccessException[source]

Bases: SagaStepException

Exception to be raised when multiple on success methods are defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception MultipleOnErrorException[source]

Bases: SagaStepException

Exception to be raised when multiple on error methods are defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception MultipleElseThenException[source]

Bases: SagaStepException

Exception to be raised when multiple else then alternatives are defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception AlreadyOnSagaException[source]

Bases: SagaStepException

Exception to be raised when a saga step is already in another saga.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception UndefinedOnExecuteException[source]

Bases: SagaStepException

Exception to be raised when the on execute method is not defined.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaExecutionException[source]

Bases: SagaException

Base exception for saga execution.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaExecutionNotFoundException[source]

Bases: SagaExecutionException

Exception to be raised when a saga execution is not found.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaRollbackExecutionException[source]

Bases: SagaExecutionException

Exception to be raised when a saga exception cannot be rollbacked

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaFailedExecutionException[source]

Bases: SagaExecutionException

Exception to be raised when a saga execution failed while running.

__init__(exception, message=None)[source]

Parameters

exception (Exception) –
message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaExecutionAlreadyExecutedException[source]

Bases: SagaExecutionException

Exception to be raised when a saga execution cannot be executed.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaStepExecutionException[source]

Bases: SagaException

Base exception for saga execution step.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaFailedExecutionStepException[source]

Bases: SagaStepExecutionException, SagaFailedExecutionException

Exception to be raised when a saga execution step failed while running.

__init__(exception, message=None)

Parameters

exception (Exception) –
message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaPausedExecutionStepException[source]

Bases: SagaStepExecutionException

Exception to be raised when a saga execution step is paused.

__init__(message=None)[source]

Parameters: message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaRollbackExecutionStepException[source]

Bases: SagaStepExecutionException

Exception to be raised when a saga execution step failed while performing a rollback.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception AlreadyCommittedException[source]

Bases: SagaException

Exception to be raised when trying to modifying an already committed saga.

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception ExecutorException[source]

Bases: SagaException

Exception to be raised when a saga executor raises some exception.

__init__(exception, message=None)[source]

Parameters

exception (Exception) –
message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaFailedCommitCallbackException[source]

Bases: SagaFailedExecutionException

Exception to be raised when a saga commit callback raises some exception

__init__(exception, message=None)

Parameters

exception (Exception) –
message (Optional[str]) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.

exception SagaResponseException[source]

Bases: SagaException

Exception to be used when CommandStatus is not SUCCESS

__init__(error_message)

Parameters: error_message (str) –

__new__(**kwargs)

args

with_traceback(): Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.