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Python 3 preparation: Some functions (ifilter, imap, izip) are removed from itertools #16070

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wluebbe mannequin opened this issue Apr 7, 2014 · 6 comments
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Python 3 preparation: Some functions (ifilter, imap, izip) are removed from itertools #16070

wluebbe mannequin opened this issue Apr 7, 2014 · 6 comments
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c: python3 r: invalid t: enhancement

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@wluebbe
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wluebbe mannequin commented Apr 7, 2014

The tool 2to3 removes the imports.

But the code has to depend on the Python version!

An alternative approach is to add from future_builtins import filter and to check where a wrapping with list() is required.

There are 13 effected modules.

This ticket is tracked as a dependency of meta-ticket ticket:16052.

Component: python3

Issue created by migration from https://trac.sagemath.org/ticket/16070
@wluebbe wluebbe mannequin added this to the sage-6.2 milestone Apr 7, 2014
@wluebbe wluebbe mannequin added c: distribution labels Apr 7, 2014
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.2, sage-6.3 May 6, 2014
@wluebbe
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wluebbe mannequin commented May 22, 2014

Dependencies: #16071

@wluebbe
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wluebbe mannequin commented May 22, 2014

comment:2

Added dependency: The imports may only be removed when their usages have been removed in #16071.

@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.3, sage-6.4 Aug 10, 2014
@fchapoton
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comment:5

for imap, see #21364

@fchapoton
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comment:6

There is no longer any ifilter to take care of.

For imap, see tickets #21364 and #21373

and for izip, see #21374

@fchapoton
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comment:7

let us close this as duplicate

@fchapoton fchapoton removed this from the sage-6.4 milestone Aug 30, 2016
@fchapoton
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Changed dependencies from #16071 to none

@vbraun vbraun closed this as completed Jan 21, 2017
@wluebbe wluebbe mannequin mentioned this issue Aug 15, 2020
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