Render.

def render(self, context):
        """Render."""

        try:
            from django.core.urlresolvers import reverse
        except ImportError:
            # pylint: disable=no-name-in-module, import-error
            from django.urls import reverse

        # Check if we have real or Django static-served media
        if self.static_media_url is not None:
            # Real.
            return os.path.join(self.static_media_url, self.rel_path)
        # Django.
        return reverse("cloud_browser_media",
                       args=[self.rel_path],
                       current_app='cloud_browser')