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nemubot/xmlparser/__init__.py

75 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
# Nemubot is a modulable IRC bot, built around XML configuration files.
# Copyright (C) 2012 Mercier Pierre-Olivier
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import imp
import xml.sax
from . import node as module_state
class ModuleStatesFile(xml.sax.ContentHandler):
def startDocument(self):
self.root = None
self.stack = list()
def startElement(self, name, attrs):
cur = module_state.ModuleState(name)
for name in attrs.keys():
cur.setAttribute(name, attrs.getValue(name))
self.stack.append(cur)
def characters(self, content):
self.stack[len(self.stack)-1].content += content
def endElement(self, name):
child = self.stack.pop()
size = len(self.stack)
if size > 0:
self.stack[size - 1].content = self.stack[size - 1].content.strip()
self.stack[size - 1].addChild(child)
else:
self.root = child
def parse_file(filename):
parser = xml.sax.make_parser()
mod = ModuleStatesFile()
parser.setContentHandler(mod)
try:
parser.parse(open(filename, "r"))
return mod.root
except IOError:
return module_state.ModuleState("nemubotstate")
except:
if mod.root is None:
return module_state.ModuleState("nemubotstate")
else:
return mod.root
def parse_string(string):
mod = ModuleStatesFile()
try:
xml.sax.parseString(string, mod)
return mod.root
except:
if mod.root is None:
return module_state.ModuleState("nemubotstate")
else:
return mod.root