How to use the khal.utils.get_wrapped_text function in khal

def update_vevent(self):
        self.event.update_summary(get_wrapped_text(self.summary))
        self.event.update_description(get_wrapped_text(self.description))
        self.event.update_location(get_wrapped_text(self.location))
        self.event.update_categories(get_wrapped_text(self.categories).split(','))

        if self.startendeditor.changed:
            self.event.update_start_end(
                self.startendeditor.startdt, self.startendeditor.enddt)
        if self.recurrenceeditor.changed:
            rrule = self.recurrenceeditor.active
            self.event.update_rrule(rrule)

        if self.alarms.changed:
            self.event.update_alarms(self.alarms.get_alarms())

def update_vevent(self):
        self.event.update_summary(get_wrapped_text(self.summary))
        self.event.update_description(get_wrapped_text(self.description))
        self.event.update_location(get_wrapped_text(self.location))
        self.event.update_categories(get_wrapped_text(self.categories).split(','))

        if self.startendeditor.changed:
            self.event.update_start_end(
                self.startendeditor.startdt, self.startendeditor.enddt)
        if self.recurrenceeditor.changed:
            rrule = self.recurrenceeditor.active
            self.event.update_rrule(rrule)

        if self.alarms.changed:
            self.event.update_alarms(self.alarms.get_alarms())

def update_vevent(self):
        self.event.update_summary(get_wrapped_text(self.summary))
        self.event.update_description(get_wrapped_text(self.description))
        self.event.update_location(get_wrapped_text(self.location))
        self.event.update_categories(get_wrapped_text(self.categories).split(','))

        if self.startendeditor.changed:
            self.event.update_start_end(
                self.startendeditor.startdt, self.startendeditor.enddt)
        if self.recurrenceeditor.changed:
            rrule = self.recurrenceeditor.active
            self.event.update_rrule(rrule)

        if self.alarms.changed:
            self.event.update_alarms(self.alarms.get_alarms())

def update_vevent(self):
        self.event.update_summary(get_wrapped_text(self.summary))
        self.event.update_description(get_wrapped_text(self.description))
        self.event.update_location(get_wrapped_text(self.location))
        self.event.update_categories(get_wrapped_text(self.categories).split(','))

        if self.startendeditor.changed:
            self.event.update_start_end(
                self.startendeditor.startdt, self.startendeditor.enddt)
        if self.recurrenceeditor.changed:
            rrule = self.recurrenceeditor.active
            self.event.update_rrule(rrule)

        if self.alarms.changed:
            self.event.update_alarms(self.alarms.get_alarms())

def title(self):  # Window title
        return 'Edit: {}'.format(get_wrapped_text(self.summary))

def changed(self):
        if get_wrapped_text(self.summary) != self.event.summary:
            return True
        if get_wrapped_text(self.description) != self.event.description:
            return True
        if get_wrapped_text(self.location) != self.event.location:
            return True
        if get_wrapped_text(self.categories) != self.event.categories:
            return True
        if self.startendeditor.changed or self.calendar_chooser.changed:
            return True
        if self.recurrenceeditor.changed:
            return True
        if self.alarms.changed:
            return True
        return False

def changed(self):
        if get_wrapped_text(self.summary) != self.event.summary:
            return True
        if get_wrapped_text(self.description) != self.event.description:
            return True
        if get_wrapped_text(self.location) != self.event.location:
            return True
        if get_wrapped_text(self.categories) != self.event.categories:
            return True
        if self.startendeditor.changed or self.calendar_chooser.changed:
            return True
        if self.recurrenceeditor.changed:
            return True
        if self.alarms.changed:
            return True
        return False