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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from django import template
from html.parser import HTMLParser
register = template.Library()
def unescape(value):
parser = HTMLParser()
return parser.unescape(value)
register.filter(unescape)
def raw(parser, token):
# Whatever is between {% raw %} and {% endraw %} will be preserved as
# raw, unrendered template code.
text = []
parse_until = 'endraw'
tag_mapping = {
template.base.TOKEN_TEXT: ('', ''),
template.base.TOKEN_VAR: ('{{', '}}'),
template.base.TOKEN_BLOCK: ('{%', '%}'),
template.base.TOKEN_COMMENT: ('{#', '#}'),
}
# By the time this template tag is called, the template system has already
# lexed the template into tokens. Here, we loop over the tokens until
# {% endraw %} and parse them to TextNodes. We have to add the start and
# end bits (e.g. "{{" for variables) because those have already been
# stripped off in a previous part of the template-parsing process.
while parser.tokens:
token = parser.next_token()
if token.token_type == template.base.TOKEN_BLOCK and \
token.contents == parse_until:
return template.base.TextNode(u''.join(text))
start, end = tag_mapping[token.token_type]
text.append(u'%s%s%s' % (start, token.contents, end))
parser.unclosed_block_tag(parse_until)
raw = register.tag(raw)
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