moto/moto/dynamodb2/exceptions.py

221 lines
7.7 KiB
Python

from moto.dynamodb2.limits import HASH_KEY_MAX_LENGTH, RANGE_KEY_MAX_LENGTH
class InvalidIndexNameError(ValueError):
pass
class MockValidationException(ValueError):
def __init__(self, message):
self.exception_msg = message
class InvalidUpdateExpressionInvalidDocumentPath(MockValidationException):
invalid_update_expression_msg = (
"The document path provided in the update expression is invalid for update"
)
def __init__(self):
super(InvalidUpdateExpressionInvalidDocumentPath, self).__init__(
self.invalid_update_expression_msg
)
class InvalidUpdateExpression(MockValidationException):
invalid_update_expr_msg = "Invalid UpdateExpression: {update_expression_error}"
def __init__(self, update_expression_error):
self.update_expression_error = update_expression_error
super(InvalidUpdateExpression, self).__init__(
self.invalid_update_expr_msg.format(
update_expression_error=update_expression_error
)
)
class AttributeDoesNotExist(MockValidationException):
attr_does_not_exist_msg = (
"The provided expression refers to an attribute that does not exist in the item"
)
def __init__(self):
super(AttributeDoesNotExist, self).__init__(self.attr_does_not_exist_msg)
class ProvidedKeyDoesNotExist(MockValidationException):
provided_key_does_not_exist_msg = (
"The provided key element does not match the schema"
)
def __init__(self):
super(ProvidedKeyDoesNotExist, self).__init__(
self.provided_key_does_not_exist_msg
)
class ExpressionAttributeNameNotDefined(InvalidUpdateExpression):
name_not_defined_msg = "An expression attribute name used in the document path is not defined; attribute name: {n}"
def __init__(self, attribute_name):
self.not_defined_attribute_name = attribute_name
super(ExpressionAttributeNameNotDefined, self).__init__(
self.name_not_defined_msg.format(n=attribute_name)
)
class AttributeIsReservedKeyword(InvalidUpdateExpression):
attribute_is_keyword_msg = (
"Attribute name is a reserved keyword; reserved keyword: {keyword}"
)
def __init__(self, keyword):
self.keyword = keyword
super(AttributeIsReservedKeyword, self).__init__(
self.attribute_is_keyword_msg.format(keyword=keyword)
)
class ExpressionAttributeValueNotDefined(InvalidUpdateExpression):
attr_value_not_defined_msg = "An expression attribute value used in expression is not defined; attribute value: {attribute_value}"
def __init__(self, attribute_value):
self.attribute_value = attribute_value
super(ExpressionAttributeValueNotDefined, self).__init__(
self.attr_value_not_defined_msg.format(attribute_value=attribute_value)
)
class UpdateExprSyntaxError(InvalidUpdateExpression):
update_expr_syntax_error_msg = "Syntax error; {error_detail}"
def __init__(self, error_detail):
self.error_detail = error_detail
super(UpdateExprSyntaxError, self).__init__(
self.update_expr_syntax_error_msg.format(error_detail=error_detail)
)
class InvalidTokenException(UpdateExprSyntaxError):
token_detail_msg = 'token: "{token}", near: "{near}"'
def __init__(self, token, near):
self.token = token
self.near = near
super(InvalidTokenException, self).__init__(
self.token_detail_msg.format(token=token, near=near)
)
class InvalidExpressionAttributeNameKey(MockValidationException):
invalid_expr_attr_name_msg = (
'ExpressionAttributeNames contains invalid key: Syntax error; key: "{key}"'
)
def __init__(self, key):
self.key = key
super(InvalidExpressionAttributeNameKey, self).__init__(
self.invalid_expr_attr_name_msg.format(key=key)
)
class ItemSizeTooLarge(MockValidationException):
item_size_too_large_msg = "Item size has exceeded the maximum allowed size"
def __init__(self):
super(ItemSizeTooLarge, self).__init__(self.item_size_too_large_msg)
class ItemSizeToUpdateTooLarge(MockValidationException):
item_size_to_update_too_large_msg = (
"Item size to update has exceeded the maximum allowed size"
)
def __init__(self):
super(ItemSizeToUpdateTooLarge, self).__init__(
self.item_size_to_update_too_large_msg
)
class HashKeyTooLong(MockValidationException):
# deliberately no space between of and {lim}
key_too_large_msg = "One or more parameter values were invalid: Size of hashkey has exceeded the maximum size limit of{lim} bytes".format(
lim=HASH_KEY_MAX_LENGTH
)
def __init__(self):
super(HashKeyTooLong, self).__init__(self.key_too_large_msg)
class RangeKeyTooLong(MockValidationException):
key_too_large_msg = "One or more parameter values were invalid: Aggregated size of all range keys has exceeded the size limit of {lim} bytes".format(
lim=RANGE_KEY_MAX_LENGTH
)
def __init__(self):
super(RangeKeyTooLong, self).__init__(self.key_too_large_msg)
class IncorrectOperandType(InvalidUpdateExpression):
inv_operand_msg = "Incorrect operand type for operator or function; operator or function: {f}, operand type: {t}"
def __init__(self, operator_or_function, operand_type):
self.operator_or_function = operator_or_function
self.operand_type = operand_type
super(IncorrectOperandType, self).__init__(
self.inv_operand_msg.format(f=operator_or_function, t=operand_type)
)
class IncorrectDataType(MockValidationException):
inc_data_type_msg = "An operand in the update expression has an incorrect data type"
def __init__(self):
super(IncorrectDataType, self).__init__(self.inc_data_type_msg)
class ConditionalCheckFailed(ValueError):
msg = "The conditional request failed"
def __init__(self):
super(ConditionalCheckFailed, self).__init__(self.msg)
class TransactionCanceledException(ValueError):
cancel_reason_msg = "Transaction cancelled, please refer cancellation reasons for specific reasons [{}]"
def __init__(self, errors):
msg = self.cancel_reason_msg.format(", ".join([str(err) for err in errors]))
super(TransactionCanceledException, self).__init__(msg)
class EmptyKeyAttributeException(MockValidationException):
empty_str_msg = "One or more parameter values were invalid: An AttributeValue may not contain an empty string"
# AWS has a different message for empty index keys
empty_index_msg = "One or more parameter values are not valid. The update expression attempted to update a secondary index key to a value that is not supported. The AttributeValue for a key attribute cannot contain an empty string value."
def __init__(self, key_in_index=False):
super(EmptyKeyAttributeException, self).__init__(
self.empty_index_msg if key_in_index else self.empty_str_msg
)
class UpdateHashRangeKeyException(MockValidationException):
msg = "One or more parameter values were invalid: Cannot update attribute {}. This attribute is part of the key"
def __init__(self, key_name):
super(UpdateHashRangeKeyException, self).__init__(self.msg.format(key_name))
class InvalidAttributeTypeError(MockValidationException):
msg = "One or more parameter values were invalid: Type mismatch for key {} expected: {} actual: {}"
def __init__(self, name, expected_type, actual_type):
super().__init__(self.msg.format(name, expected_type, actual_type))
class TooManyAddClauses(InvalidUpdateExpression):
msg = 'The "ADD" section can only be used once in an update expression;'
def __init__(self):
super(TooManyAddClauses, self).__init__(self.msg)