Coverage for /pythoncovmergedfiles/medio/medio/src/paramiko/paramiko/compress.py: 62%

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 distributed 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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 

18 

19""" 

20Compression implementations for a Transport. 

21""" 

22 

23import zlib 

24 

25 

26class ZlibCompressor: 

27 def __init__(self): 

28 # Use the default level of zlib compression 

29 self.z = zlib.compressobj() 

30 

31 def __call__(self, data): 

32 return self.z.compress(data) + self.z.flush(zlib.Z_FULL_FLUSH) 

33 

34 

35class ZlibDecompressor: 

36 def __init__(self): 

37 self.z = zlib.decompressobj() 

38 

39 def __call__(self, data): 

40 return self.z.decompress(data)