def __init__(self, *args, **kwargs):
        super(CreateCommandForm, self).__init__(*args, **kwargs)
        # if you want to do it to all of them
        for field in self.fields.values():
            field.error_messages = {'required':'Это поле обязательно для заполнения'}  class UpdateView(FormView):
     def get_form_kwargs(self):
        kwargs = super().get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs
class UpdateForm(forms.Form):
    def __init__(self, *args, **kwargs):
        user = kwargs.pop('user')
        super().__init__(*args, **kwargs)
        if not user.groups.filter(name='managers').exists():
            self.fields['secret'].disabled = True