def flatten(self, obj, data):
pickler = self.context
if not pickler.unpicklable:
return unicode(obj)
cls, args = obj.__reduce__()
flatten = pickler.flatten
payload = util.b64encode(args[0])
args = [payload] + [flatten(i, reset=False) for i in args[1:]]
data['__reduce__'] = (flatten(cls, reset=False), args)
return data
def flatten(self, obj, data):
pickler = self.context
if not pickler.unpicklable:
return unicode(obj)
cls, args = obj.__reduce__()
flatten = pickler.flatten
payload = util.b64encode(args[0])
args = [payload] + [flatten(i, reset=False) for i in args[1:]]
data['__reduce__'] = (flatten(cls, reset=False), args)
return data
def flatten(self, obj, data):
pickler = self.context
flatten = pickler.flatten
buffer = util.b64encode(obj.tostring())
#TODO: should probably also consider including other parameters in future such as byteorder, etc.
#TODO: see numpy.info(obj) and obj.__reduce__() for details.
shape = flatten(obj.shape)
dtype = str(obj.dtype)
strides = flatten(obj.strides)
args = [shape, dtype, strides, buffer]
data['__reduce__'] = (flatten(np.ndarray, reset=False), args)
return data
def test_bytes_unicode(self):
b1 = b'foo'
b2 = b'foo\xff'
u1 = 'foo'
# unicode strings get encoded/decoded as is
encoded = self.pickler.flatten(u1)
self.assertTrue(encoded == u1)
self.assertTrue(isinstance(encoded, compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertTrue(decoded == u1)
self.assertTrue(isinstance(decoded, compat.ustr))
# bytestrings are wrapped in PY3 but in PY2 we try to decode first
encoded = self.pickler.flatten(b1)
if PY2:
self.assertEqual(encoded, u1)
self.assertTrue(isinstance(encoded, compat.ustr))
else:
self.assertNotEqual(encoded, u1)
encoded_ustr = util.b64encode(b'foo')
self.assertEqual({tags.B64: encoded_ustr}, encoded)
self.assertTrue(isinstance(encoded[tags.B64], compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertTrue(decoded == b1)
if PY2:
self.assertTrue(isinstance(decoded, compat.ustr))
else:
self.assertTrue(isinstance(decoded, bytes))
# bytestrings that we can't decode to UTF-8 will always be wrapped
encoded = self.pickler.flatten(b2)
self.assertNotEqual(encoded, b2)
encoded_ustr = util.b64encode(b'foo\xff')
self.assertEqual({tags.B64: encoded_ustr}, encoded)
self.assertTrue(isinstance(encoded[tags.B64], compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertEqual(decoded, b2)
self.assertTrue(isinstance(decoded, bytes))
def test_bytes_unicode(self):
b1 = b'foo'
b2 = b'foo\xff'
u1 = 'foo'
# unicode strings get encoded/decoded as is
encoded = self.pickler.flatten(u1)
self.assertTrue(encoded == u1)
self.assertTrue(isinstance(encoded, compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertTrue(decoded == u1)
self.assertTrue(isinstance(decoded, compat.ustr))
# bytestrings are wrapped in PY3 but in PY2 we try to decode first
encoded = self.pickler.flatten(b1)
if PY2:
self.assertEqual(encoded, u1)
self.assertTrue(isinstance(encoded, compat.ustr))
else:
self.assertNotEqual(encoded, u1)
encoded_ustr = util.b64encode(b'foo')
self.assertEqual({tags.B64: encoded_ustr}, encoded)
self.assertTrue(isinstance(encoded[tags.B64], compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertTrue(decoded == b1)
if PY2:
self.assertTrue(isinstance(decoded, compat.ustr))
else:
self.assertTrue(isinstance(decoded, bytes))
# bytestrings that we can't decode to UTF-8 will always be wrapped
encoded = self.pickler.flatten(b2)
self.assertNotEqual(encoded, b2)
encoded_ustr = util.b64encode(b'foo\xff')
self.assertEqual({tags.B64: encoded_ustr}, encoded)
self.assertTrue(isinstance(encoded[tags.B64], compat.ustr))
decoded = self.unpickler.restore(encoded)
self.assertEqual(decoded, b2)
self.assertTrue(isinstance(decoded, bytes))