Coverage for modules/org/openteacher/logic/otxxsaver/otxxsaver : 94%

#! /usr/bin/env python3 

# -*- coding: utf-8 -*- 

#       Copyright 2012-2013, Marten de Vries 

#       Copyright 2011, Milan Boers 

# 

#       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 superjson 

import zipfile 

class OtxxSaverModule: 

        def __init__(self, moduleManager, *args, **kwargs): 

                super().__init__(*args, **kwargs) 

                self._mm = moduleManager 

                self.type = "otxxSaver" 

                self.requires = ( 

                        self._mm.mods(type="metadata"), 

                ) 

        def save(self, lesson, path, resourceFilenames={}, zipCompression=zipfile.ZIP_DEFLATED): 

                list = {"file-format-version": self._version} 

                list.update(lesson.list) 

                with zipfile.ZipFile(path, "w", zipCompression) as otxxzip: 

                        otxxzip.writestr("list.json", superjson.dumps( 

                                list, #the list to save 

                                separators=(',',':'), #compact encoding 

                                default=self._serialize #serialize datetime 

                        ).encode('UTF-8')) 

                        for resourceKey, filename in resourceFilenames.items(): 

                                otxxzip.write(lesson.resources[resourceKey], filename) 

                lesson.path = path 

                lesson.changed = False 

        @property 

        def _version(self): 

                return self._modules.default("active", type="metadata").metadata["version"] 

        def _serialize(self, obj): 

                try: 

                        return obj.strftime("%Y-%m-%dT%H:%M:%S.%f") 

                except AttributeError: 

                        raise TypeError("The type '%s' isn't JSON serializable." % obj.__class__) 

        def enable(self): 

                self._modules = set(self._mm.mods(type="modules")).pop() 

                self.active = True 

        def disable(self): 

                self.active = False 

                del self._modules 

def init(moduleManager): 

        return OtxxSaverModule(moduleManager)