deb-gnocchi/gnocchi/json.py
Mehdi Abaakouk b1b1546752 rest: deserialize directly with file descriptor
This avoids useless memory allocation in a temporary
str between body read and json.loads.

Change-Id: I17faba2b166970c166214427c3e7189cda26fee3
2015-10-23 11:33:26 +00:00

49 lines
1.5 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2015 Red Hat
#
# 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 datetime
from oslo_serialization import jsonutils
_ORIG_TP = jsonutils.to_primitive
def _to_primitive(value, *args, **kwargs):
# TODO(jd): Remove that once oslo.serialization is released with
# https://review.openstack.org/#/c/166861/
if isinstance(value, datetime.datetime):
return value.isoformat()
# This mimics what Pecan implements in its default JSON encoder
if hasattr(value, "jsonify"):
return _to_primitive(value.jsonify(), *args, **kwargs)
return _ORIG_TP(value, *args, **kwargs)
def to_primitive(*args, **kwargs):
try:
jsonutils.to_primitive = _to_primitive
return jsonutils.to_primitive(*args, **kwargs)
finally:
jsonutils.to_primitive = _ORIG_TP
def dumps(obj, *args, **kwargs):
return jsonutils.dumps(obj, default=to_primitive)
# For convenience
loads = jsonutils.loads
load = jsonutils.load