How to use the atelier.sphinxconf.insert_input.Py2rstDirective function in atelier

temp_data_key = 'language'

    @classmethod
    def get_default_value(cls, env):
        return env.config.language


class CurrentProject(TempDataDirective):
    """Tell Sphinx to switch to the specified project until the end of
    this document.

    """
    temp_data_key = 'lino_project'


class Lino2rstDirective(Py2rstDirective):
    """Defines the :rst:dir:`lino2rst` directive."""

    def get_context(self):
        from django.conf import settings
        context = super(Lino2rstDirective, self).get_context()
        context.update(settings=settings)
        context.update(settings.SITE.models)
        context.update(dd=dd)
        context.update(rt=rt)
        return context

    def output_from_exec(self, code):
        from django.utils import translation
        with translation.override(self.language):
            return super(Lino2rstDirective, self).output_from_exec(code)