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# Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
# All exceptions in this class should subclass from Boto3Error.
import botocore.exceptions
# All exceptions should subclass from Boto3Error in this module.
class Boto3Error(Exception):
"""Base class for all Boto3 errors."""
class ResourceLoadException(Boto3Error):
pass
# NOTE: This doesn't appear to be used anywhere.
# It's probably safe to remove this.
class NoVersionFound(Boto3Error):
pass
# We're subclassing from botocore.exceptions.DataNotFoundError
# to keep backwards compatibility with anyone that was catching
# this low level Botocore error before this exception was
# introduced in boto3.
# Same thing for ResourceNotExistsError below.
class UnknownAPIVersionError(Boto3Error,
botocore.exceptions.DataNotFoundError):
def __init__(self, service_name, bad_api_version,
available_api_versions):
msg = (
"The '%s' resource does not an API version of: %s\n"
"Valid API versions are: %s"
% (service_name, bad_api_version, available_api_versions)
)
# Not using super because we don't want the DataNotFoundError
# to be called, it has a different __init__ signature.
Boto3Error.__init__(self, msg)
class ResourceNotExistsError(Boto3Error,
botocore.exceptions.DataNotFoundError):
"""Raised when you attempt to create a resource that does not exist."""
def __init__(self, service_name, available_services, has_low_level_client):
msg = (
"The '%s' resource does not exist.\n"
"The available resources are:\n"
" - %s\n" % (service_name, '\n - '.join(available_services))
)
if has_low_level_client:
msg += (
"\nConsider using a boto3.client('%s') instead "
"of a resource for '%s'" % (service_name, service_name))
# Not using super because we don't want the DataNotFoundError
# to be called, it has a different __init__ signature.
Boto3Error.__init__(self, msg)
class RetriesExceededError(Boto3Error):
def __init__(self, last_exception, msg='Max Retries Exceeded'):
super(RetriesExceededError, self).__init__(msg)
self.last_exception = last_exception
class S3TransferFailedError(Boto3Error):
pass
class S3UploadFailedError(Boto3Error):
pass
class DynamoDBOperationNotSupportedError(Boto3Error):
"""Raised for operantions that are not supported for an operand"""
def __init__(self, operation, value):
msg = (
'%s operation cannot be applied to value %s of type %s directly. '
'Must use AttributeBase object methods (i.e. Attr().eq()). to '
'generate ConditionBase instances first.' %
(operation, value, type(value)))
Exception.__init__(self, msg)
# FIXME: Backward compatibility
DynanmoDBOperationNotSupportedError = DynamoDBOperationNotSupportedError
class DynamoDBNeedsConditionError(Boto3Error):
"""Raised when input is not a condition"""
def __init__(self, value):
msg = (
'Expecting a ConditionBase object. Got %s of type %s. '
'Use AttributeBase object methods (i.e. Attr().eq()). to '
'generate ConditionBase instances.' % (value, type(value)))
Exception.__init__(self, msg)
class DynamoDBNeedsKeyConditionError(Boto3Error):
pass