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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
#
# https://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 = (
f"The '{service_name}' resource does not support an API version of: {bad_api_version}\n"
f"Valid API versions are: {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 '{}' resource does not exist.\n"
"The available resources are:\n"
" - {}\n".format(
service_name, '\n - '.join(available_services)
)
)
if has_low_level_client:
msg = (
f"{msg}\nConsider using a boto3.client('{service_name}') "
f"instead of a resource for '{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().__init__(msg)
self.last_exception = last_exception
class S3TransferFailedError(Boto3Error):
pass
class S3UploadFailedError(Boto3Error):
pass
class DynamoDBOperationNotSupportedError(Boto3Error):
"""Raised for operations that are not supported for an operand."""
def __init__(self, operation, value):
msg = (
f'{operation} operation cannot be applied to value {value} of type '
f'{type(value)} directly. Must use AttributeBase object methods '
f'(i.e. Attr().eq()). to generate ConditionBase instances first.'
)
Exception.__init__(self, msg)
# FIXME: Backward compatibility
DynanmoDBOperationNotSupportedError = DynamoDBOperationNotSupportedError
class DynamoDBNeedsConditionError(Boto3Error):
"""Raised when input is not a condition"""
def __init__(self, value):
msg = (
f'Expecting a ConditionBase object. Got {value} of type {type(value)}. '
f'Use AttributeBase object methods (i.e. Attr().eq()). to '
f'generate ConditionBase instances.'
)
Exception.__init__(self, msg)
class DynamoDBNeedsKeyConditionError(Boto3Error):
pass
class PythonDeprecationWarning(Warning):
"""
Python version being used is scheduled to become unsupported
in an future release. See warning for specifics.
"""
pass

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