Viewing file:  nfsServerSettings.py (3.87 KB) -rwxr-xr-x
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
## nfsServerSettings.py - Code for dealing with /etc/sysconfig/nfs
## in system-config-nfs
## Copyright (C) 2005 Red Hat, Inc.
## Copyright (C) 2005 Nils Philippsen <nphilipp@redhat.com>
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
## This program 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 General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import os
import re
from rhpl.translate import _, N_
import rhpl.translate as translate
translate.textdomain ("system-config-nfs")
class varNotKnown (Exception):
pass
class varValueFound (Exception):
pass
class nfsServerSettings:
filename = '/etc/sysconfig/nfs'
knownvars = ['LOCKD_TCPPORT', 'LOCKD_UDPPORT', 'MOUNTD_PORT', 'STATD_PORT']
name_value_re = re.compile ('^(?P<varname>[A-Za-z_][A-Za-z0-9_]*)=(?P<varvalue>.*)$')
def __init__ (self):
self.read ()
def read (self):
self.lines = []
try:
f = open (self.filename, 'r')
if f:
line = None
while True:
line = f.readline ()
if line == '':
break
line = line.strip ()
try:
m = self.name_value_re.match (line)
if m:
varname = m.group ('varname')
varvalue = m.group ('varvalue')
if varname in self.knownvars:
self.lines.append ([varname, varvalue])
raise varValueFound ()
self.lines.append (line)
except varValueFound:
pass
f.close ()
except IOError:
pass
def __str__ (self):
s = ''
for line in self.lines:
if isinstance (line, str):
s += line + '\n'
elif isinstance (line, list):
s += "%s=%s\n" % (line[0], line[1])
else:
raise Exception ()
return s
def write (self):
if os.access (self.filename, os.F_OK):
os.rename (self.filename, self.filename + ".bak")
else:
if len (str (self)) == 0:
# no need to write
return
f = open (self.filename, "w")
f.write (str (self))
f.close ()
def set (self, name, value):
found = False
if name not in self.knownvars:
raise varNotKnown (name)
for line in self.lines:
if isinstance (line, list):
if line[0] == name:
line[1] = value
found = True
break
if not found:
self.lines.append ([name, value])
def get (self, name):
if name not in self.knownvars:
raise varNotKnown (name)
for line in self.lines:
if isinstance (line, list):
if line[0] == name:
return line[1]
return None
def unset (self, name):
if name not in self.knownvars:
raise varNotKnown (name)
for i in range (len (self.lines)):
if isinstance (self.lines[i], list):
if self.lines[i][0] == name:
del (self.lines[i])
break
|