From 35b5719dc2b6f73a255778f1420fa2eaf0afd6f9 Mon Sep 17 00:00:00 2001 From: Robey Pointer Date: Fri, 2 Dec 2005 16:32:50 -0800 Subject: [PATCH] [project @ robey@lag.net-20051203003250-030b7c160f13aca9] oops, forgot to add this file -- guess friday really is hawaiian shirt day :) --- paramiko/compress.py | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 paramiko/compress.py diff --git a/paramiko/compress.py b/paramiko/compress.py new file mode 100644 index 0000000..bdf4b42 --- /dev/null +++ b/paramiko/compress.py @@ -0,0 +1,39 @@ +# Copyright (C) 2003-2005 Robey Pointer +# +# 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 distrubuted 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)