def compress(self, content):
content = self._trans_type(content)
if len(content) > self.min_length:
try:
return zlib.compress(content, self.preset)
except zlib.error as exc:
raise CompressError('Content can not be compressed.')
return content
def decompress(self, content):
content = self._trans_type(content)
try:
return zlib.decompress(content)
except zlib.error as exc:
raise CompressError('Content can not be decompressed.')