|
|
'''
|
|
|
Created on Jul 17, 2014
|
|
|
|
|
|
@author: roj-idl71
|
|
|
'''
|
|
|
|
|
|
DEFAULT_SERIALIZER = None
|
|
|
|
|
|
try:
|
|
|
import cPickle
|
|
|
DEFAULT_SERIALIZER = 'cPickle'
|
|
|
except:
|
|
|
pass
|
|
|
|
|
|
try:
|
|
|
import msgpack_numpy
|
|
|
DEFAULT_SERIALIZER = 'msgpack'
|
|
|
except:
|
|
|
pass
|
|
|
|
|
|
# import jsonpickle
|
|
|
# import yaml
|
|
|
|
|
|
class Serializer(object):
|
|
|
|
|
|
def __init__(self):
|
|
|
|
|
|
self.serializer = None
|
|
|
|
|
|
def dumps(self, obj, **kwargs):
|
|
|
|
|
|
return self.serializer.dumps(obj, **kwargs)
|
|
|
|
|
|
def loads(self, obj, **kwargs):
|
|
|
return self.serializer.loads(obj, **kwargs)
|
|
|
|
|
|
class cPickleSerializer(Serializer):
|
|
|
|
|
|
def __init__(self):
|
|
|
self.serializer = cPickle
|
|
|
|
|
|
def dumps(self, obj, **kwargs):
|
|
|
return self.serializer.dumps(obj, 2)
|
|
|
|
|
|
def loads(self, obj, **kwargs):
|
|
|
return self.serializer.loads(obj)
|
|
|
|
|
|
class msgpackSerializer(Serializer):
|
|
|
|
|
|
def __init__(self):
|
|
|
|
|
|
self.serializer = msgpack_numpy
|
|
|
|
|
|
def dumps(self, obj, **kwargs):
|
|
|
return self.serializer.packb(obj)
|
|
|
|
|
|
def loads(self, obj, **kwargs):
|
|
|
return self.serializer.unpackb(obj)
|
|
|
|
|
|
# class jsonpickleSerializer(Serializer):
|
|
|
#
|
|
|
# def __init__(self):
|
|
|
#
|
|
|
# self.serializer = jsonpickle
|
|
|
#
|
|
|
# def dumps(self, obj, **kwargs):
|
|
|
# return self.serializer.encode(obj, **kwargs)
|
|
|
#
|
|
|
# def loads(self, obj, **kwargs):
|
|
|
# return self.serializer.decode(obj, **kwargs)
|
|
|
#
|
|
|
# class yamlSerializer(Serializer):
|
|
|
#
|
|
|
# def __init__(self):
|
|
|
#
|
|
|
# self.serializer = yaml
|
|
|
#
|
|
|
# def dumps(self, obj, **kwargs):
|
|
|
# return self.serializer.dump(obj, **kwargs)
|
|
|
#
|
|
|
# def loads(self, obj, **kwargs):
|
|
|
# return self.serializer.load(obj, **kwargs)
|
|
|
|
|
|
class DynamicSerializer(Serializer):
|
|
|
|
|
|
def __init__(self, module = None):
|
|
|
|
|
|
if not DEFAULT_SERIALIZER:
|
|
|
raise ImportError, "Install a python serializer like cPickle or msgpack"
|
|
|
|
|
|
if not module:
|
|
|
module == DEFAULT_SERIALIZER
|
|
|
|
|
|
if module == 'cPickle':
|
|
|
self.serializer = cPickleSerializer()
|
|
|
#
|
|
|
# if module == 'jsonpickle':
|
|
|
# self.serializer = jsonpickleSerializer()
|
|
|
#
|
|
|
# if module == 'yaml':
|
|
|
# self.serializer = yamlSerializer()
|
|
|
|
|
|
if module == 'msgpack':
|
|
|
self.serializer = msgpackSerializer()
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
pass
|
