def insert(self, doc, synced=False):
        doc.id = self.get_next_id()
        doc.synced = synced
        try:
            self.db.docs.insert(doc)
        except Exception as e:
            raise DatabaseException(e)
        return doc
def setLDAPDirectory(self, directory=None):
        if directory is None:
                self.directory = []
        else:
            try:
                with open(DIRECTORY, 'w+') as f:
                    f.write(str(directory))
                    self.directory = directory
            except OSError as e:
                raise