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+#!/usr/bin/env python
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+# Licensed to Cloudera, Inc. under one
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+# or more contributor license agreements. See the NOTICE file
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+# distributed with this work for additional information
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+# regarding copyright ownership. Cloudera, Inc. licenses this file
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+# to you under the Apache License, Version 2.0 (the
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+# "License"); you may not use this file except in compliance
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+# with the License. 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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+"""
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+These methods should never be placed in 'desktop.lib.exceptions'.
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+This file exists to remove circular reference caused by importing django_util.
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+"""
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+
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+import sys
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+import traceback
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+
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+# Need full import statement
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+import desktop.lib.django_util
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+
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+class PopupException(Exception):
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+ """
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+ Middleware will render this exception; and the template
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+ renders it as a pop-up.
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+ """
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+ def __init__(self, message, title="Error", detail=None, error_code=500):
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+ Exception.__init__(self, message)
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+ self.message = message
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+ self.title = title
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+ self.detail = detail
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+ self.error_code = error_code
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+
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+ # Traceback is only relevant if an exception was thrown, caught, and we reraise with this exception.
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+ (type, value, tb) = sys.exc_info()
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+ self.traceback = traceback.extract_tb(tb)
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+
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+ def response(self, request):
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+ data = dict(title=self.title, message=self.message, detail=self.detail, traceback=self.traceback)
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+ if not request.ajax:
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+ data['request'] = request
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+ response = desktop.lib.django_util.render("popup_error.mako", request, data)
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+ response.status_code = self.error_code
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+ return response
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