|
|
- # 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):
- # Use the default level of zlib compression
- self.z = zlib.compressobj()
-
- 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)
|