Template tag for passing through template code.

verbatim.py

from django import template

register = template.Library()

TOKEN_PAIRS = {
    template.TOKEN_VAR: (template.VARIABLE_TAG_START, template.VARIABLE_TAG_END),
    template.TOKEN_BLOCK: (template.BLOCK_TAG_START, template.BLOCK_TAG_END),
    template.TOKEN_COMMENT: (template.COMMENT_TAG_START, template.COMMENT_TAG_END),
}

class VerbatimNode(template.Node):
    def __init__(self, contents):
        self.contents = contents

    def render(self, context):
        return self.contents

def compile_verbatim(parser, token):
    """
    Pass through contents unmolested to the rendered template.

    Usage::

        {% verbatim %}
        {{ some_var }}{% some_tag %}{# some comment #}
        {% endverbatim %}

    """
    try:
        (tag_name,) = token.split_contents()
        end_tag = 'end%s' % tag_name
    except ValueError:
        raise template.TemplateSyntaxError('%s tag takes no arguments' % token.contents.split()[0])
    contents = []
    while True:
        if not parser.tokens:
            raise template.TemplateSyntaxError('No %s tag found.' % end_tag)
        token = parser.next_token()
        if token.token_type == template.TOKEN_BLOCK and token.contents == end_tag:
            break
        if token.token_type != template.TOKEN_TEXT:
            start, end = TOKEN_PAIRS[token.token_type]
            contents.extend([start, ' ', token.contents, ' ', end])
        else:
            contents.append(token.contents)
    return VerbatimNode(''.join(contents))

register.tag('verbatim', compile_verbatim)