#11687: The 'add' template filter only works for integers, and can fail noisily
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Reporter: thepointer | Owner: gruszczy
Status: new | Milestone: 1.2
Component: Template system | Version: 1.1
Resolution: | Keywords:
Stage: Design decision needed | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Comment (by SmileyChris):
The user should lose this information because a filter should '''never'''
raise an exception.
Read the first paragraphs here: http://docs.djangoproject.com/en/dev/howto
/custom-template-tags/#writing-custom-template-filters
I understand ducktyping.
A filter doesn't only accept strings as an argument, it could be any
object type. If they can't be added together, then it should just fail
silently - that's the template author's problem. This is not javascript,
so no automatic casting.
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Ticket URL: <http://code.djangoproject.com/ticket/11687#comment:12>
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