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Original file line number | Diff line number | Diff line change |
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""" | ||
jQuery templates use constructs like: | ||
{{if condition}} print something{{/if}} | ||
This, of course, completely screws up Django templates, | ||
because Django thinks {{ and }} means something. | ||
Wrap {% verbatim %} and {% endverbatim %} around those | ||
blocks of jQuery templates and this will try its best | ||
to output the contents with no changes. | ||
This version of verbatim template tag allows you to use tags | ||
like url {% url name %} or {% csrf_token %} within. | ||
""" | ||
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from django import template | ||
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register = template.Library() | ||
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class VerbatimNode(template.Node): | ||
def __init__(self, text_and_nodes): | ||
self.text_and_nodes = text_and_nodes | ||
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def render(self, context): | ||
output = "" | ||
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# If its text we concatenate it, otherwise it's a node and we render it | ||
for bit in self.text_and_nodes: | ||
if isinstance(bit, basestring): | ||
output += bit | ||
else: | ||
output += bit.render(context) | ||
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return output | ||
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@register.tag | ||
def verbatim(parser, token): | ||
text_and_nodes = [] | ||
while 1: | ||
token = parser.tokens.pop(0) | ||
if token.contents == 'endverbatim': | ||
break | ||
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if token.token_type == template.TOKEN_VAR: | ||
text_and_nodes.append('{{') | ||
text_and_nodes.append(token.contents) | ||
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elif token.token_type == template.TOKEN_TEXT: | ||
text_and_nodes.append(token.contents) | ||
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elif token.token_type == template.TOKEN_BLOCK: | ||
try: | ||
command = token.contents.split()[0] | ||
except IndexError: | ||
parser.empty_block_tag(token) | ||
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try: | ||
compile_func = parser.tags[command] | ||
except KeyError: | ||
parser.invalid_block_tag(token, command, None) | ||
try: | ||
node = compile_func(parser, token) | ||
except template.TemplateSyntaxError, e: | ||
if not parser.compile_function_error(token, e): | ||
raise | ||
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text_and_nodes.append(node) | ||
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if token.token_type == template.TOKEN_VAR: | ||
text_and_nodes.append('}}') | ||
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return VerbatimNode(text_and_nodes) |
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