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# Copyright 2018 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import traceback
import logging
from rest_framework import status
from rest_framework.response import Response
from catalog.pub.exceptions import CatalogException
from catalog.pub.exceptions import NsdmBadRequestException
from catalog.pub.exceptions import PackageNotFoundException
from catalog.pub.exceptions import ResourceNotFoundException
from catalog.pub.exceptions import ArtifactNotFoundException
logger = logging.getLogger(__name__)
def validate_data(data, serializer):
serialized_data = serializer(data=data)
if not serialized_data.is_valid():
logger.error('Data validation failed.')
raise CatalogException(serialized_data.errors)
return serialized_data
def fmt_error_rsp(error_message, status):
return {"errorMessage": error_message, "error": status}
def make_error_resp(status, detail):
return Response(
data={
'status': status,
'detail': detail
},
status=status
)
def view_safe_call_with_log(logger):
def view_safe_call(func):
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except PackageNotFoundException as e:
logger.error(e.message)
return make_error_resp(
detail=e.message,
status=status.HTTP_404_NOT_FOUND
)
except ResourceNotFoundException as e:
logger.error(e.message)
return make_error_resp(
detail=e.message,
status=status.HTTP_404_NOT_FOUND
)
except ArtifactNotFoundException as e:
logger.error(e.message)
return make_error_resp(
detail=e.message,
status=status.HTTP_404_NOT_FOUND
)
except NsdmBadRequestException as e:
logger.error(e.message)
return make_error_resp(
detail=e.message,
status=status.HTTP_400_BAD_REQUEST
)
except CatalogException as e:
logger.error(e.message)
return make_error_resp(
detail=e.message,
status=status.HTTP_500_INTERNAL_SERVER_ERROR
)
except Exception as e:
logger.error(e.message)
logger.error(traceback.format_exc())
return make_error_resp(
detail='Unexpected exception',
status=status.HTTP_500_INTERNAL_SERVER_ERROR
)
return wrapper
return view_safe_call
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