i18n.py 文件源码

def do_get_current_language(parser, token):
    """
    This will store the current language in the context.

    Usage::

        {% get_current_language as language %}

    This will fetch the currently active language and
    put it's value into the ``language`` context
    variable.
    """
    # token.split_contents() isn't useful here because this tag doesn't accept variable as arguments
    args = token.contents.split()
    if len(args) != 3 or args[1] != 'as':
        raise TemplateSyntaxError("'get_current_language' requires 'as variable' (got %r)" % args)
    return GetCurrentLanguageNode(args[2])