# -*- coding: utf-8 -*-
###########################################################################
# Copyright (c), The AiiDA team. All rights reserved. #
# This file is part of the AiiDA code. #
# #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida-core #
# For further information on the license, see the LICENSE.txt file #
# For further information please visit http://www.aiida.net #
###########################################################################
"""Module that define the exceptions that are thrown by AiiDA's internal code."""
__all__ = (
'AiidaException', 'NotExistent', 'NotExistentAttributeError', 'NotExistentKeyError', 'MultipleObjectsError',
'RemoteOperationError', 'ContentNotExistent', 'FailedError', 'StoringNotAllowed', 'ModificationNotAllowed',
'IntegrityError', 'UniquenessError', 'EntryPointError', 'MissingEntryPointError', 'MultipleEntryPointError',
'LoadingEntryPointError', 'InvalidEntryPointTypeError', 'InvalidOperation', 'ParsingError', 'InternalError',
'PluginInternalError', 'ValidationError', 'ConfigurationError', 'ProfileConfigurationError',
'MissingConfigurationError', 'ConfigurationVersionError', 'IncompatibleStorageSchema', 'CorruptStorage',
'DbContentError', 'InputValidationError', 'FeatureNotAvailable', 'FeatureDisabled', 'LicensingException',
'TestsNotAllowedError', 'UnsupportedSpeciesError', 'TransportTaskException', 'OutputParsingError', 'HashingError',
'StorageMigrationError', 'LockedProfileError', 'LockingProfileError', 'ClosedStorage'
)
[docs]
class AiidaException(Exception):
"""
Base class for all AiiDA exceptions.
Each module will have its own subclass, inherited from this
(e.g. ExecManagerException, TransportException, ...)
"""
[docs]
class NotExistent(AiidaException):
"""
Raised when the required entity does not exist.
"""
[docs]
class NotExistentAttributeError(AttributeError, NotExistent):
"""
Raised when the required entity does not exist, when fetched as an attribute.
"""
[docs]
class NotExistentKeyError(KeyError, NotExistent):
"""
Raised when the required entity does not exist, when fetched as a dictionary key.
"""
[docs]
class MultipleObjectsError(AiidaException):
"""
Raised when more than one entity is found in the DB, but only one was
expected.
"""
[docs]
class RemoteOperationError(AiidaException):
"""
Raised when an error in a remote operation occurs, as in a failed kill()
of a scheduler job.
"""
[docs]
class ContentNotExistent(NotExistent):
"""
Raised when trying to access an attribute, a key or a file in the result
nodes that is not present
"""
[docs]
class FailedError(AiidaException):
"""
Raised when accessing a calculation that is in the FAILED status
"""
[docs]
class StoringNotAllowed(AiidaException):
"""
Raised when the user tries to store an unstorable node (e.g. a base Node class)
"""
[docs]
class ModificationNotAllowed(AiidaException):
"""
Raised when the user tries to modify a field, object, property, ... that should not
be modified.
"""
[docs]
class IntegrityError(AiidaException):
"""
Raised when there is an underlying data integrity error. This can be database related
or a general data integrity error. This can happen if, e.g., a foreign key check fails.
See PEP 249 for details.
"""
[docs]
class UniquenessError(AiidaException):
"""
Raised when the user tries to violate a uniqueness constraint (on the
DB, for instance).
"""
[docs]
class EntryPointError(AiidaException):
"""Raised when an entry point cannot be uniquely resolved and imported."""
[docs]
class MissingEntryPointError(EntryPointError):
"""Raised when the requested entry point is not registered with the entry point manager."""
[docs]
class MultipleEntryPointError(EntryPointError):
"""Raised when the requested entry point cannot uniquely be resolved by the entry point manager."""
[docs]
class LoadingEntryPointError(EntryPointError):
"""Raised when the resource corresponding to requested entry point cannot be imported."""
[docs]
class InvalidEntryPointTypeError(EntryPointError):
"""Raised when a loaded entry point has a type that is not supported by the corresponding entry point group."""
[docs]
class InvalidOperation(AiidaException):
"""
The allowed operation is not valid (e.g., when trying to add a non-internal attribute
before saving the entry), or deleting an entry that is protected (e.g.,
because it is referenced by foreign keys)
"""
[docs]
class ParsingError(AiidaException):
"""
Generic error raised when there is a parsing error
"""
[docs]
class InternalError(AiidaException):
"""
Error raised when there is an internal error of AiiDA.
"""
[docs]
class PluginInternalError(InternalError):
"""
Error raised when there is an internal error which is due to a plugin
and not to the AiiDA infrastructure.
"""
[docs]
class ValidationError(AiidaException):
"""
Error raised when there is an error during the validation phase
of a property.
"""
[docs]
class ConfigurationError(AiidaException):
"""
Error raised when there is a configuration error in AiiDA.
"""
[docs]
class ProfileConfigurationError(ConfigurationError):
"""
Configuration error raised when a wrong/inexistent profile is requested.
"""
[docs]
class MissingConfigurationError(ConfigurationError):
"""
Configuration error raised when the configuration file is missing.
"""
[docs]
class ConfigurationVersionError(ConfigurationError):
"""
Configuration error raised when the configuration file version is not
compatible with the current version.
"""
[docs]
class ClosedStorage(AiidaException):
"""Raised when trying to access data from a closed storage backend."""
[docs]
class UnreachableStorage(ConfigurationError):
"""Raised when a connection to the storage backend fails."""
[docs]
class IncompatibleDatabaseSchema(ConfigurationError):
"""Raised when the storage schema is incompatible with that of the code.
Deprecated for ``IncompatibleStorageSchema``
"""
[docs]
class IncompatibleStorageSchema(IncompatibleDatabaseSchema):
"""Raised when the storage schema is incompatible with that of the code."""
[docs]
class CorruptStorage(ConfigurationError):
"""Raised when the storage is not found to be internally consistent on validation."""
[docs]
class DatabaseMigrationError(AiidaException):
"""Raised if a critical error is encountered during a storage migration.
Deprecated for ``StorageMigrationError``
"""
[docs]
class StorageMigrationError(DatabaseMigrationError):
"""Raised if a critical error is encountered during a storage migration."""
[docs]
class DbContentError(AiidaException):
"""
Raised when the content of the DB is not valid.
This should never happen if the user does not play directly
with the DB.
"""
[docs]
class FeatureNotAvailable(AiidaException):
"""
Raised when a feature is requested from a plugin, that is not available.
"""
[docs]
class FeatureDisabled(AiidaException):
"""
Raised when a feature is requested, but the user has chosen to disable
it (e.g., for submissions on disabled computers).
"""
[docs]
class LicensingException(AiidaException):
"""
Raised when requirements for data licensing are not met.
"""
[docs]
class TestsNotAllowedError(AiidaException):
"""
Raised when tests are required to be run/loaded, but we are not in a testing environment.
This is to prevent data loss.
"""
[docs]
class UnsupportedSpeciesError(ValueError):
"""
Raised when StructureData operations are fed species that are not supported by AiiDA such as Deuterium
"""
[docs]
class TransportTaskException(AiidaException):
"""
Raised when a TransportTask, an task to be completed by the engine that requires transport, fails
"""
[docs]
class OutputParsingError(ParsingError):
"""
Can be raised by a Parser when it fails to parse the output generated by a `CalcJob` process.
"""
[docs]
class CircusCallError(AiidaException):
"""
Raised when an attempt to contact Circus returns an error in the response
"""
[docs]
class HashingError(AiidaException):
"""
Raised when an attempt to hash an object fails via a known failure mode
"""
[docs]
class LockedProfileError(AiidaException):
"""
Raised if attempting to access a locked profile
"""
[docs]
class LockingProfileError(AiidaException):
"""
Raised if the profile can`t be locked
"""
