#8462: template tag Length and the 'error'
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Reporter: magneto | Owner: nobody
Status: new | Milestone:
Component: Template system | Version: SVN
Keywords: length | Stage: Unreviewed
Has_patch: 0 |
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django/template/defaultfilters.py", line 469, in length
if the input object has no __len__ defined, this throws a nasty exception
.. given the very large number of time i imagine this is used
would it be proper to simply 'return 0' for non list like things?
in particular the 'with' command is problematic (if 'my_thing' is
unresolved, it blows up)
{{{
{% with my_thing|length as my_length %}
{% endwith %}
}}}
{{{
Index: django/template/defaultfilters.py
===================================================================
--- django/template/defaultfilters.py (revision 8455)
+++ django/template/defaultfilters.py (working copy)
@@ -466,7 +466,10 @@
def length(value):
"""Returns the length of the value - useful for lists."""
- return len(value)
+ try:
+ return len(value)
+ except:
+ return 0
length.is_safe = True
def length_is(value, arg):
}}}
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Ticket URL: <http://code.djangoproject.com/ticket/8462>
Django Code <http://code.djangoproject.com/>
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