Edit File: compress.py
# Copyright (C) 2003-2007 Robey Pointer <robeypointer@gmail.com> # # This file is part of paramiko. # # Paramiko is free software; you can redistribute it and/or modify it under the # terms of the GNU Lesser General Public License as published by the Free # Software Foundation; either version 2.1 of the License, or (at your option) # any later version. # # Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more # details. # # You should have received a copy of the GNU Lesser General Public License # along with Paramiko; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. """ Compression implementations for a Transport. """ import zlib class ZlibCompressor (object): def __init__(self): self.z = zlib.compressobj(9) def __call__(self, data): return self.z.compress(data) + self.z.flush(zlib.Z_FULL_FLUSH) class ZlibDecompressor (object): def __init__(self): self.z = zlib.decompressobj() def __call__(self, data): return self.z.decompress(data)