-def validate_template(template):
- """
- Makes sure that the template and all included or extended templates are valid.
- """
- for node in template.nodelist:
- try:
- if isinstance(node, loader_tags.ExtendsNode):
- extended_template = node.get_parent(Context())
- validate_template(extended_template)
- elif isinstance(node, loader_tags.IncludeNode):
- included_template = loader.get_template(node.template_name.resolve(Context()))
- validate_template(extended_template)
- except Exception, e:
- raise ValidationError("Template code invalid. Error was: %s: %s" % (e.__class__.__name__, e))
-
-
-class TemplateForm(ModelForm):
- def clean_code(self):
- code = self.cleaned_data['code']
- try:
- t = DjangoTemplate(code)
- except Exception, e:
- raise ValidationError("Template code invalid. Error was: %s: %s" % (e.__class__.__name__, e))
-
- validate_template(t)
- return code
-
- class Meta:
- model = Template
-
-