Package paramiko :: Module compress |
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# Source Code for Module paramiko.compress

     1  # Copyright (C) 2003-2007  Robey Pointer <robeypointer@gmail.com>
     2  #
     3  # This file is part of paramiko.
     4  #
     5  # Paramiko is free software; you can redistribute it and/or modify it under the
     6  # terms of the GNU Lesser General Public License as published by the Free
     7  # Software Foundation; either version 2.1 of the License, or (at your option)
     8  # any later version.
     9  #
    10  # Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
    11  # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
    12  # A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
    13  # details.
    14  #
    15  # You should have received a copy of the GNU Lesser General Public License
    16  # along with Paramiko; if not, write to the Free Software Foundation, Inc.,
    17  # 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
    18
    19  """
    20  Compression implementations for a Transport.
    21  """
    22
    23  import zlib
    24
    25
    26 -class ZlibCompressor (object):
    27 -    def __init__(self):
    28          self.z = zlib.compressobj(9)
    29
    30 -    def __call__(self, data):
    31          return self.z.compress(data) + self.z.flush(zlib.Z_FULL_FLUSH)
    32
    33
    34 -class ZlibDecompressor (object):
    35 -    def __init__(self):
    36          self.z = zlib.decompressobj()
    37
    38 -    def __call__(self, data):
    39          return self.z.decompress(data)
    40