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Content coming via {{ block.super }} is always going to be correctly escaped 

already. We mark it as safe so that template authors don't need to.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@6673 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-11-14 21:07:27 +00:00
parent 356662cf74
commit bdb0b903c2
3 changed files with 16 additions and 11 deletions
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3
django/template/loader_tags.py
View File

@ -2,6 +2,7 @@ from django.template import TemplateSyntaxError, TemplateDoesNotExist, Variable
from django.template import Library, Node
from django.template.loader import get_template, get_template_from_string, find_template_source
from django.conf import settings
from django.utils.safestring import mark_safe
register = Library()
@ -26,7 +27,7 @@ class BlockNode(Node):
def super(self):
if self.parent:
return self.parent.render(self.context)
return mark_safe(self.parent.render(self.context))
return ''
def add_parent(self, nodelist):

6
docs/templates.txt
View File

@ -280,7 +280,9 @@ Here are some tips for working with inheritance:
* If you need to get the content of the block from the parent template,
the ``{{ block.super }}`` variable will do the trick. This is useful
if you want to add to the contents of a parent block instead of
completely overriding it.
completely overriding it. Data inserted using ``{{ block.super }}`` will
not be automatically escaped (see the `next section`_), since it was
already escaped, if necessary, in the parent template.
* For extra readability, you can optionally give a *name* to your
``{% endblock %}`` tag. For example::
@ -299,6 +301,8 @@ it also defines the content that fills the hole in the *parent*. If there were
two similarly-named ``{% block %}`` tags in a template, that template's parent
wouldn't know which one of the blocks' content to use.
.. _next section: #automatic-html-escaping
Automatic HTML escaping
=======================

18
tests/regressiontests/templates/tests.py
View File

@ -617,7 +617,7 @@ class Templates(unittest.TestCase):
### INHERITANCE ###########################################################
# Standard template with no inheritance
'inheritance01': ("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}", {}, '1_3_'),
'inheritance01': ("1{% block first %}&{% endblock %}3{% block second %}_{% endblock %}", {}, '1&3_'),
# Standard two-level inheritance
'inheritance02': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
@ -626,7 +626,7 @@ class Templates(unittest.TestCase):
'inheritance03': ("{% extends 'inheritance02' %}", {}, '1234'),
# Two-level with no redefinitions on second level
'inheritance04': ("{% extends 'inheritance01' %}", {}, '1_3_'),
'inheritance04': ("{% extends 'inheritance01' %}", {}, '1&3_'),
# Two-level with double quotes instead of single quotes
'inheritance05': ('{% extends "inheritance02" %}', {}, '1234'),
@ -635,16 +635,16 @@ class Templates(unittest.TestCase):
'inheritance06': ("{% extends foo %}", {'foo': 'inheritance02'}, '1234'),
# Two-level with one block defined, one block not defined
'inheritance07': ("{% extends 'inheritance01' %}{% block second %}5{% endblock %}", {}, '1_35'),
'inheritance07': ("{% extends 'inheritance01' %}{% block second %}5{% endblock %}", {}, '1&35'),
# Three-level with one block defined on this level, two blocks defined next level
'inheritance08': ("{% extends 'inheritance02' %}{% block second %}5{% endblock %}", {}, '1235'),
# Three-level with second and third levels blank
'inheritance09': ("{% extends 'inheritance04' %}", {}, '1_3_'),
'inheritance09': ("{% extends 'inheritance04' %}", {}, '1&3_'),
# Three-level with space NOT in a block -- should be ignored
'inheritance10': ("{% extends 'inheritance04' %} ", {}, '1_3_'),
'inheritance10': ("{% extends 'inheritance04' %} ", {}, '1&3_'),
# Three-level with both blocks defined on this level, but none on second level
'inheritance11': ("{% extends 'inheritance04' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
@ -656,7 +656,7 @@ class Templates(unittest.TestCase):
'inheritance13': ("{% extends 'inheritance02' %}{% block first %}a{% endblock %}{% block second %}b{% endblock %}", {}, '1a3b'),
# A block defined only in a child template shouldn't be displayed
'inheritance14': ("{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}", {}, '1_3_'),
'inheritance14': ("{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}", {}, '1&3_'),
# A block within another block
'inheritance15': ("{% extends 'inheritance01' %}{% block first %}2{% block inner %}inner{% endblock %}{% endblock %}", {}, '12inner3_'),
@ -674,16 +674,16 @@ class Templates(unittest.TestCase):
'inheritance19': ("{% extends 'inheritance01' %}{% block first %}{% load testtags %}{% echo 400 %}5678{% endblock %}", {}, '140056783_'),
# Two-level inheritance with {{ block.super }}
'inheritance20': ("{% extends 'inheritance01' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1_a3_'),
'inheritance20': ("{% extends 'inheritance01' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1&a3_'),
# Three-level inheritance with {{ block.super }} from parent
'inheritance21': ("{% extends 'inheritance02' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '12a34'),
# Three-level inheritance with {{ block.super }} from grandparent
'inheritance22': ("{% extends 'inheritance04' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1_a3_'),
'inheritance22': ("{% extends 'inheritance04' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1&a3_'),
# Three-level inheritance with {{ block.super }} from parent and grandparent
'inheritance23': ("{% extends 'inheritance20' %}{% block first %}{{ block.super }}b{% endblock %}", {}, '1_ab3_'),
'inheritance23': ("{% extends 'inheritance20' %}{% block first %}{{ block.super }}b{% endblock %}", {}, '1&ab3_'),
# Inheritance from local context without use of template loader
'inheritance24': ("{% extends context_template %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {'context_template': template.Template("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}")}, '1234'),