1 # Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc.
3 # Permission to use, copy, modify, and distribute this software and its
4 # documentation for any purpose with or without fee is hereby granted,
5 # provided that the above copyright notice and this permission notice
6 # appear in all copies.
8 # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
9 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
11 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
14 # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 """IPv4 helper functions."""
21 if sys
.hexversion
< 0x02030000 or sys
.platform
== 'win32':
23 # Some versions of Python 2.2 have an inet_aton which rejects
24 # the valid IP address '255.255.255.255'. It appears this
25 # problem is still present on the Win32 platform even in 2.3.
26 # We'll work around the problem.
29 if text
== '255.255.255.255':
32 return socket
.inet_aton(text
)
34 inet_aton
= socket
.inet_aton
36 inet_ntoa
= socket
.inet_ntoa