#3523: Extend "for" tag to allow unpacking of lists
---------------------------+------------------------------------------------
Reporter: SmileyChris | Owner: adrian
Status: new | Component: Template system
Version: SVN | Resolution:
Keywords: for loop | 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 bug fix was variable values from the previous loop could sneak on to
the context if the current set of items was shorter than the loopvars list
- see test `for-tag-unpack09`.
The format checking has been tightened so that keyword arguments ''must''
be comma separated -- either `{% for a,b in c %}` or `{% for a, b in c %}`
will work.
This patch now has '''no''' reliance on bug #3529 since it actually uses
the push behaviour now. It was however brought up in discussion that this
tag could be more efficient if `context.update` also accepted 2-length
tuples, but that's outside of the scope of this ticket.
--
Ticket URL: <http://code.djangoproject.com/ticket/3523#comment:11>
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