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# Copyright (C) 2010, 2011 Linaro Limited
#
# Author: Zygmunt Krynicki <zygmunt.krynicki@linaro.org>
#
# This file is part of json-schema-validator.
#
# json-schema-validator is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation
#
# json-schema-validator is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with json-schema-validator. If not, see <http://www.gnu.org/licenses/>.
"""
Error classes used by this package
"""
class SchemaError(ValueError):
"""
An exception raised when there is a problem with the schema itself.
"""
class ValidationError(ValueError):
"""
An exception raised when validator finds mismatch between the validated
object and the schema.
:ivar message:
Old and verbose message that contains less helpful message and lots of
JSON data (deprecated).
:ivar new_message:
short and concise message about the problem
:ivar object_expr:
A JavaScript expression that evaluates to the object that failed to
validate. The expression always starts with a root object called
``'object'``.
:ivar schema_expr:
A JavaScript expression that evaluates to the schema that was checked
at the time validation failed. The expression always starts with a root
object called ``'schema'``.
"""
def __init__(self, message, new_message=None,
object_expr=None, schema_expr=None):
self.message = message
self.new_message = new_message
self.object_expr = object_expr
self.schema_expr = schema_expr
def __str__(self):
return ("ValidationError: {0} "
"object_expr={1!r}, "
"schema_expr={2!r})").format(
self.new_message, self.object_expr,
self.schema_expr)
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