#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2011-2013, 2017, Marten de Vries
#
# This file is part of OpenTeacher.
#
# OpenTeacher 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 3 of the License, or
# (at your option) any later version.
#
# OpenTeacher 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 OpenTeacher. If not, see <http://www.gnu.org/licenses/>.
import re
SEGMENTS_RE = re.compile(r"(?<!\\)[0-9]+\. ")
SEPARATOR_RE = re.compile(r"(?<!\\)[,;]")
class WordsStringParserModule:
def __init__(self, moduleManager, *args, **kwargs):
super().__init__(*args, **kwargs)
self._mm = moduleManager
self.type = "wordsStringParser"
self.priorities = {
"default": 10,
}
def parse(self, text):
"""Parses a string into a questions or answers list as used
internally by OpenTeacher. See for examples the unit tests.
"""
obligatorySegments = SEGMENTS_RE.split(text)
obligatorySegments = [x.strip() for x in obligatorySegments]
if obligatorySegments[0]:
# https://bugs.launchpad.net/openteacher/+bug/1233809
obligatorySegments = [text]
obligatorySegments = [x for x in obligatorySegments if x != u""]
item = []
for segment in obligatorySegments:
words = SEPARATOR_RE.split(segment)
words = [word.strip() for word in words]
words = [word for word in words if word != u""]
if words:
item.append(words)
return item
def enable(self):
self.active = True
def disable(self):
self.active = False
def init(moduleManager):
return WordsStringParserModule(moduleManager)