#13222: unexpected HttpResponse iteration behavior
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Reporter: teepark | Owner: aaugustin
Type: Bug | Status: closed
Component: HTTP handling | Version: 1.3-rc1
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Ready for
Has patch: 1 | checkin
Needs tests: 0 | Needs documentation: 0
Easy pickings: 0 | Patch needs improvement: 0
| UI/UX: 0
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Comment (by teepark):
{{{
>>> import collections
>>> d = collections.deque([1,2,3])
>>> i = iter(d)
>>> d.append(4)
>>> list(i)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
RuntimeError: deque mutated during iteration
}}}
it's not about ordered vs unordered, it's about whether pre-existing
iterators tolerate mutation.
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Ticket URL: <https://code.djangoproject.com/ticket/13222#comment:26>
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