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Fixed #5270 -- Allow template tags and filters to accept an emtpy string, patch from jdunck. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8393 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Gary Wilson Jr 2008-08-15 21:08:11 +00:00
parent 0ca738363a
commit 6d863fef8a
2 changed files with 14 additions and 5 deletions
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11
django/template/__init__.py
View File

@ -485,9 +485,14 @@ class FilterExpression(object):
(token[:upto], token[upto:start], token[start:]))
if var == None:
var, constant, i18n_constant = match.group("var", "constant", "i18n_constant")
if i18n_constant:
var = '"%s"' % _(i18n_constant.replace(r'\"', '"'))
elif constant:
if i18n_constant is not None:
# Don't pass the empty string to gettext, because the empty
# string translates to meta information.
if i18n_constant == "":
var = '""'
else:
var = '"%s"' % _(i18n_constant.replace(r'\"', '"'))
elif constant is not None:
var = '"%s"' % constant.replace(r'\"', '"')
upto = match.end()
if var == None:

8
tests/regressiontests/templates/tests.py
View File

@ -366,6 +366,9 @@ class Templates(unittest.TestCase):
# Numbers as filter arguments should work
'filter-syntax19': ('{{ var|truncatewords:1 }}', {"var": "hello world"}, "hello ..."),
#filters should accept empty string constants
'filter-syntax20': ('{{ ""|default_if_none:"was none" }}', {}, ""),
### COMMENT SYNTAX ########################################################
'comment-syntax01': ("{# this is hidden #}hello", {}, "hello"),
'comment-syntax02': ("{# this is hidden #}hello{# foo #}", {}, "hello"),
@ -770,11 +773,12 @@ class Templates(unittest.TestCase):
'i18n14': ('{% cycle "foo" _("Password") _(\'Password\') as c %} {% cycle c %} {% cycle c %}', {'LANGUAGE_CODE': 'de'}, 'foo Passwort Passwort'),
'i18n15': ('{{ absent|default:_("Password") }}', {'LANGUAGE_CODE': 'de', 'absent': ""}, 'Passwort'),
'i18n16': ('{{ _("<") }}', {'LANGUAGE_CODE': 'de'}, '<'),
'i18n17': ('{{ _("") }}', {'LANGUAGE_CODE': 'de'}, ''),
# Escaping inside blocktrans works as if it was directly in the
# template.
'i18n17': ('{% load i18n %}{% blocktrans with anton|escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, u'α &amp; β'),
'i18n18': ('{% load i18n %}{% blocktrans with anton|force_escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, u'α &amp; β'),
'i18n18': ('{% load i18n %}{% blocktrans with anton|escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, u'α &amp; β'),
'i18n19': ('{% load i18n %}{% blocktrans with anton|force_escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, u'α &amp; β'),
### HANDLING OF TEMPLATE_STRING_IF_INVALID ###################################