Hi,
On the model of zope.contentprovider "provider:" TALES expression, I'm
trying to register a new custom expression for Chameleon.
My code is very simple and tries to follow Chamelon documentation:
from chameleon import PageTemplate
def provider_expression(string):
def compiler(target, engine):
return 'provider expression...'
return compiler
PageTemplate.expression_types['provider'] = provider_expression
The view is as simple:
@view_config(name="page.html", context=MyApplication, renderer='page.pt')
def main_page(request):
return {}
And the template:
<div tal:replace="provider:testManager">test</div>
When the page is loaded, I always receive a "LookupError: Unknown
expression type: 'provider'.".
Any idea?
Best regards,
Thierry
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