#2265: [patch] Field's choices can be "used" only once if its a generator or an
iterator.
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Reporter: Alex Dedul | Owner: adrian
Type: defect | Status: new
Priority: normal | Milestone:
Component: Core framework | Version:
Severity: normal | Resolution:
Keywords: |
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Comment (by Alex Dedul):
As for me i'm using generator to fetch choices list from DB on external
host and advanges of lazy fetching should be seen quite well here.
As for itertools.tee replacement self.choices = list(choices) is no go,
list() fetches values from iterator right away. What we need from fix is:
1. Cache values.
2. Lazy fetching.
itertools.tee does exactly that.
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Ticket URL: <http://code.djangoproject.com/ticket/2265>
Django <http://code.djangoproject.org/>
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