#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2013, 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/>.
from etree import ElementTree
import zipfile
import datetime
import locale
class JMemorizeLessonLoaderModule:
def __init__(self, moduleManager, *args, **kwargs):
super().__init__(*args, **kwargs)
self._mm = moduleManager
self.type = "load"
self.requires = (
self._mm.mods(type="wordsStringParser"),
)
self.uses = (
self._mm.mods(type="translator"),
)
@property
def _parse(self):
return self._modules.default("active", type="wordsStringParser").parse
def _parseDate(self, date):
#change locale temporary; so strptime can do it's work the way
#it should.
locale.setlocale(locale.LC_ALL, "C")
#do conversion
dt = datetime.datetime.strptime(date, "%d-%b-%Y %H:%M:%S")
#set locale back to make sure conflicts don't arise with other
#modules depending on the locale.
locale.resetlocale()
return dt
def getFileTypeOf(self, path):
if path.endswith(".jml"):
return "words"
def load(self, path):
#reference implementation:
#http://jmemorize.svn.sourceforge.net/viewvc/jmemorize/trunk/jmemorize/src/jmemorize/core/io/XmlBuilder.java?view=markup
try:
with zipfile.ZipFile(path, "r") as f:
xmlFile = f.open("lesson.xml", "r")
except (zipfile.BadZipfile, KeyError):
xmlFile = open(path, "rb")
#crashes when the file structure is invalid.
try:
root = ElementTree.parse(xmlFile).getroot()
finally:
xmlFile.close()
items = []
for i, card in enumerate(root.findall(".//Card")):
item = {
"id": i,
"questions": self._parse(card.get("Frontside") or u""),
"answers": self._parse(card.get("Backside") or u""),
}
created = card.get("DateCreated")
if created:
item["created"] = self._parseDate(created)
items.append(item)
return {
"resources": {},
"list": {
"items": sorted(items, key=lambda item: item.get("created")),
"tests": [],
},
}
def _retranslate(self):
try:
translator = self._modules.default("active", type="translator")
except IndexError:
_, ngettext = str, lambda a, b, n: a if n == 1 else b
else:
_, ngettext = translator.gettextFunctions(
self._mm.resourcePath("translations")
)
#TRANSLATORS: This is one of the file formats OpenTeacher can
#TRANSLATORS: read. See for more info:
#TRANSLATORS: http://sourceforge.net/projects/jmemorize/
self.name = _("jMemorize")
def enable(self):
self.loads = {"jml": ["words"]}
self.mimetype = "application/x-jmemorizelesson"
self._modules = set(self._mm.mods(type="modules")).pop()
try:
translator = self._modules.default("active", type="translator")
except IndexError:
pass
else:
translator.languageChanged.handle(self._retranslate)
self._retranslate()
self.active = True
def disable(self):
self.active = False
del self.name
del self.loads
del self.mimetype
del self._modules
def init(moduleManager):
return JMemorizeLessonLoaderModule(moduleManager)