68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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
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# 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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from graffiti.openstack.common.gettextutils import _
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class GraffitiException(Exception):
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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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the 'message' property.
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That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred")
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def __str__(self):
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return self.message
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def __init__(self, **kwargs):
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self.kwargs = kwargs
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try:
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message = self.message % kwargs
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except KeyError:
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#TODO(Any): print to log
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pass
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super(GraffitiException, self).__init__(message)
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class NotFound(GraffitiException):
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message = _("Object not found")
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class DuplicateEntry(GraffitiException):
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message = _("Database object already exists")
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class DriverNotFound(NotFound):
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message = _("Failed to load driver %(driver_name)s.")
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class DriverLoadError(GraffitiException):
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message = _("Driver %(driver)s could not be loaded. Reason: %(reason)s.")
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class MethodNotSupported(GraffitiException):
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message = _("Method %(method)s is not supported by this driver")
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class DriverNotFoundForResourceType(NotFound):
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message = _("Cannot find a registered driver for the resource "
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"type %(resource_type)s")
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