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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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+import json
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+import logging
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+
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+from django.http import Http404
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+from django.utils.translation import ugettext as _
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+from django.views.decorators.http import require_POST
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+
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+from desktop.lib.django_util import JsonResponse
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+from desktop.lib.i18n import force_unicode
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+
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+from metadata.optimizer_client import OptimizerApi
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+
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+LOG = logging.getLogger(__name__)
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+
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+
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+def error_handler(view_fn):
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+ def decorator(*args, **kwargs):
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+ try:
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+ return view_fn(*args, **kwargs)
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+ except Http404, e:
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+ raise e
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+ except Exception, e:
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+ LOG.exception(e)
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+ response = {
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+ 'status': -1,
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+ 'message': force_unicode(str(e))
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+ }
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+ return JsonResponse(response, status=500)
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+ return decorator
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+
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+
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+@require_POST
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+@error_handler
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+def top_tables(request):
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+ response = {'status': -1}
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+
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+ api = OptimizerApi()
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+
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+ response['top_tables'] = api.top_tables()
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+ response['status'] = 0
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+
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+ return JsonResponse(response)
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