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Michael Hanselmann authored
If the simplejson module supports indentation, it's always used. There are cases where we might not want to use it or enable it only for debugging purposes, such as in RPC. Reviewed-by: iustinp
071448fb
serializer.py 1.60 KiB
#
#
# Copyright (C) 2007, 2008 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""Serializer abstraction module
This module introduces a simple abstraction over the serialization
backend (currently json).
"""
import simplejson
import re
# Check whether the simplejson module supports indentation
_JSON_INDENT = 2
try:
simplejson.dumps(1, indent=_JSON_INDENT)
except TypeError:
_JSON_INDENT = None
_RE_EOLSP = re.compile('[ \t]+$', re.MULTILINE)
def DumpJson(data, indent=True):
"""Serialize a given object.
Args:
- indent: Whether to indent output (depends on simplejson version)
"""
if not indent or _JSON_INDENT is None:
txt = simplejson.dumps(data)
else:
txt = simplejson.dumps(data, indent=_JSON_INDENT)
txt = _RE_EOLSP.sub("", txt)
if not txt.endswith('\n'):
txt += '\n'
return txt
def LoadJson(txt):
"""Unserialize data from a string.
"""
return simplejson.loads(txt)
Dump = DumpJson
Load = LoadJson