def run():
print('== Original Python native data ==')
newdata = data.copy()
print(newdata)
print('== JData-annotated data ==')
print(jd.show(jd.encode(newdata), indent=4, default=jd.jsonfilter))
print('== JData-annotated data exported to JSON with zlib compression ==')
newdata = data.copy()
print(
jd.show(jd.encode(newdata, {
'compression': 'zlib',
'base64': True
}),
indent=4,
default=jd.jsonfilter))
print('== Decoding a JData-encoded data and printed in JSON format ==')
newdata = data.copy()
print(
jd.show(jd.decode(jd.encode(newdata)), indent=4,
default=jd.jsonfilter))
print('== Saving encoded data to test.json ==')
jd.save(data, 'test.json')
print('== Loading data from test.json and decode ==')
newdata = jd.load('test.json')
print(jd.show(newdata, indent=4, default=jd.jsonfilter))
def test_module(self):
data = OrderedDict()
data['const'] = [
2.0, 1, True, False, None,
float('nan'),
float('-inf')
]
data['shortarray'] = [1, 2, 3]
data['a_complex'] = 1 + 2.0j
data['object'] = [[[1], [2], [3]], None, False]
data['a_typedarray'] = np.asarray([9, 9, 9, 9], dtype=np.uint8)
data['a_ndarray'] = np.arange(1, 10, dtype=np.int32).reshape(3, 3)
data['a_biginteger'] = 9007199254740991
data['a_map'] = {
float('nan'): 'one',
2: 'two',
"k": 'three'
}
print('== Original Python native data ==')
newdata = data.copy()
print(newdata)
print('== JData-annotated data ==')
print(jd.show(jd.encode(newdata), indent=4, default=jd.jsonfilter))
print(
'== JData-annotated data exported to JSON with zlib compression =='
)
newdata = data.copy()
print(
jd.show(jd.encode(newdata, {
'compression': 'zlib',
'base64': True
}),
indent=4,
default=jd.jsonfilter))
print('== Decoding a JData-encoded data and printed in JSON format ==')
newdata = data.copy()
print(
jd.show(jd.decode(jd.encode(newdata)),
indent=4,
default=jd.jsonfilter))
print('== Saving encoded data to test.json ==')
jd.save(data, 'test.json')
print('== Loading data from test.json and decode ==')
newdata = jd.load('test.json')
print(jd.show(newdata, indent=4, default=jd.jsonfilter))
def loadt(fname, opt={}, **kwargs):
"""@brief Loading a text-based (JSON) JData file and decode it to native Python data
@param[in] fname: a text JData (JSON based) file name
@param[in] opt: options, if opt['decode']=True or 1 (default), call jdata.decode() after loading
"""
kwargs.setdefault('strict',False);
kwargs.setdefault('object_pairs_hook',OrderedDict);
opt.setdefault('decode',True);
with open(fname, "r") as fid:
data=json.load(fid, **kwargs);
if(opt['decode']):
data=jd.decode(data,opt);
return data
def loadb(fname, opt={}, **kwargs):
"""@brief Loading a binary (UBJSON) JData file and decode it to native Python data
@param[in] fname: a binary (UBJSON based) JData file name
@param[in] opt: options, if opt['decode']=True or 1 (default), call jdata.decode() before saving
"""
opt.setdefault('decode',True)
try:
import ubjson
except ImportError:
raise ImportError('To read/write binary JData files, you must install the py-ubjson module by "pip install py-ubjson"')
else:
with open(fname, "r") as fid:
data=ubjson.load(fid,**kwargs);
if(opt['decode']):
data=jd.decode(data,opt);
return data