def test_blob_and_binary_field(self):
byte_count = 256
data = ''.join(chr(i) for i in range(256))
blob = BlobModel.create(data=data)
# pull from db and check binary data
res = BlobModel.get(BlobModel.id == blob.id)
self.assertTrue(isinstance(res.data, binary_types))
self.assertEqual(len(res.data), byte_count)
db_data = res.data
binary_data = binary_construct(data)
if db_data != binary_data and sys.version_info[:3] >= (3, 3, 3):
db_data = db_data.tobytes()
self.assertEqual(db_data, binary_data)
# try querying the blob field
binary_data = res.data
# use the string representation
res = BlobModel.get(BlobModel.data == data)
self.assertEqual(res.id, blob.id)
# use the binary representation
res = BlobModel.get(BlobModel.data == binary_data)
self.assertEqual(res.id, blob.id)
def test_blob_and_binary_field(self):
byte_count = 256
data = ''.join(chr(i) for i in range(256))
blob = BlobModel.create(data=data)
# pull from db and check binary data
res = BlobModel.get(BlobModel.id == blob.id)
self.assertTrue(isinstance(res.data, binary_types))
self.assertEqual(len(res.data), byte_count)
db_data = res.data
binary_data = binary_construct(data)
if db_data != binary_data and sys.version_info[:3] >= (3, 3, 3):
db_data = db_data.tobytes()
self.assertEqual(db_data, binary_data)
# try querying the blob field
binary_data = res.data
# use the string representation
res = BlobModel.get(BlobModel.data == data)
self.assertEqual(res.id, blob.id)
# use the binary representation
res = BlobModel.get(BlobModel.data == binary_data)
self.assertEqual(res.id, blob.id)
def db_value(self, value):
if value is not None:
return binary_construct(self.encrypt(value))
def db_value(self, value):
if value is not None:
return self.compress(
binary_construct(value), self.compression_level)
def gzip(data, compression=9):
return zlib.compress(binary_construct(data), compression)
def gzip(data, compression=9):
return binary_construct(zlib.compress(data, compression))
def db_value(self, value):
if value is not None:
return binary_construct(self.encrypt(value))
def db_value(self, value):
if value is not None:
return self.compress(binary_construct(value),
self.compression_level)