def ssi(parser, token):
    bits = token.contents.split()
    parsed = False
    if len(bits) not in (2, 3):
        raise TemplateSyntaxError("'ssi' tag takes one argument: the path to"
                                  " the file to be included")
    if len(bits) == 3:
        if bits[2] == 'parsed':
            parsed = True
        else:
            raise TemplateSyntaxError("Second (optional) argument to %s tag"
                                      " must be 'parsed'" % bits[0])
    return SsiNode(bits[1], parsed)
Outputs the contents of a given file into the page.
dataset/ETHPy150Open dcramer/django-compositepks/django/template/defaulttags.py/ssi