Viewing file:  XmlHelper.py (2.42 KB) -rw-r--r--
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## Copyright (C) 2008 Rui Matos <tiagomatos@gmail.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 libxml2
from debug import *
class XmlHelper (object):
def __init__ (self, filename):
self.group_file_name = None
self.xml_doc = libxml2.newDoc ('1.0')
self.xml_doc.setRootElement (libxml2.newNode ("ospm-groups"))
self.group_file_name = filename
if not os.path.exists (self.group_file_name):
try:
self.xml_doc.saveFormatFile (self.group_file_name, True)
except:
nonfatalException ()
else:
try:
self.xml_doc = libxml2.parseFile (self.group_file_name)
except:
nonfatalException ()
def write (self):
if self.xml_doc.saveFormatFile (self.group_file_name, True) == -1:
nonfatalException ()
def __get_non_text_child (self, node):
child = node.children
while child and child.isText:
child = child.next
return child
def __parse_groups (self, key):
current = self.xml_doc.getRootElement ().children
# FIXME: this does not work
#current = self.__get_non_text_child (current)
group_list = []
while current:
if current.name == key:
group_list.append ((current.prop ("name"), current))
current = current.next
return group_list
def get_static_groups (self):
return self.__parse_groups ("static-group")
def get_search_groups (self):
return self.__parse_groups ("search-group")
def add_group (self, group_node):
self.xml_doc.getRootElement ().addChild (group_node)
self.write ()
xml_helper = XmlHelper (os.path.expanduser ('~/.printer-groups.xml'))
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