135 lines
3.2 KiB
Python
135 lines
3.2 KiB
Python
# Copyright 2013 - Mirantis, Inc.
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# Copyright 2015 - StackStorm, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class Error(Exception):
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def __init__(self, message=None):
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super(Error, self).__init__(message)
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class MistralException(Error):
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"""Base Exception for the project
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To correctly use this class, inherit from it and define
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a 'message' and 'http_code' properties.
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"""
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message = "An unknown exception occurred"
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http_code = 500
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@property
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def code(self):
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"""This is here for webob to read.
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https://github.com/Pylons/webob/blob/master/webob/exc.py
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"""
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return self.http_code
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def __str__(self):
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return self.message
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def __init__(self, message=None):
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if message is not None:
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self.message = message
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super(MistralException, self).__init__(
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'%d: %s' % (self.http_code, self.message))
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class DBException(MistralException):
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http_code = 400
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class DataAccessException(MistralException):
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http_code = 400
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class NotFoundException(MistralException):
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http_code = 404
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message = "Object not found"
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class DBDuplicateEntryException(MistralException):
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http_code = 409
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message = "Database object already exists"
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class DBQueryEntryException(MistralException):
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http_code = 400
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class ActionException(MistralException):
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http_code = 400
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class InvalidActionException(MistralException):
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http_code = 400
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class ActionRegistrationException(MistralException):
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message = "Failed to register action"
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class EngineException(MistralException):
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http_code = 500
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class WorkflowException(MistralException):
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http_code = 400
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class InputException(MistralException):
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http_code = 400
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class ApplicationContextNotFoundException(MistralException):
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http_code = 400
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message = "Application context not found"
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class DSLParsingException(MistralException):
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http_code = 400
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class YaqlEvaluationException(DSLParsingException):
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http_code = 400
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message = "Can not evaluate YAQL expression"
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class InvalidModelException(DSLParsingException):
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http_code = 400
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message = "Wrong entity definition"
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class InvalidResultException(MistralException):
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http_code = 400
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message = "Unable to parse result"
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class SizeLimitExceededException(MistralException):
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http_code = 400
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def __init__(self, field_name, size_kb, size_limit_kb):
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super(SizeLimitExceededException, self).__init__(
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"Size of '%s' is %dKB which exceeds the limit of %dKB"
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% (field_name, size_kb, size_limit_kb))
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class CoordinationException(MistralException):
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http_code = 500
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class NotAllowedException(MistralException):
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http_code = 403
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message = "Operation not allowed"
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