[issue21881] python cannot parse tcl value

2014-07-07 Thread Roundup Robot 

Roundup Robot added the comment:

New changeset 4514804d0e50 by Serhiy Storchaka in branch '2.7':
Issue #21881: Be more tolerant in test_tcl to not parsable by float() NaN
http://hg.python.org/cpython/rev/4514804d0e50

New changeset 4879f6337ef6 by Serhiy Storchaka in branch '3.4':
Issue #21881: Be more tolerant in test_tcl to not parsable by float() NaN
http://hg.python.org/cpython/rev/4879f6337ef6

New changeset 72289f574664 by Serhiy Storchaka in branch 'default':
Issue #21881: Be more tolerant in test_tcl to not parsable by float() NaN
http://hg.python.org/cpython/rev/72289f574664

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nosy: +python-dev

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[issue21881] python cannot parse tcl value

2014-07-07 Thread Roundup Robot 

Roundup Robot added the comment:

New changeset 01ec8bb7187f by Serhiy Storchaka in branch '2.7':
Issue #21881: Just omit tests for platform-specific NaN representation in 
test_tcl.
http://hg.python.org/cpython/rev/01ec8bb7187f

New changeset 5ac811cbec87 by Serhiy Storchaka in branch '3.4':
Issue #21881: Just omit tests for platform-specific NaN representation in 
test_tcl.
http://hg.python.org/cpython/rev/5ac811cbec87

New changeset f138a74ee611 by Serhiy Storchaka in branch 'default':
Issue #21881: Just omit tests for platform-specific NaN representation in 
test_tcl.
http://hg.python.org/cpython/rev/f138a74ee611

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[issue21881] python cannot parse tcl value

2014-07-07 Thread Serhiy Storchaka 

Serhiy Storchaka added the comment:

On some platforms NaN representation has a minus before nan (see 
http://buildbot.python.org/all/builders/x86%20OpenIndiana%202.7/builds/2384/steps/test/logs/stdio).
 So it is easier just omit tests for these platform-specific values.

Regardless of the fact that it is very unlikely to get NaN in Tk, in future we 
should fix getdouble() (it should work with Tcl_Obj) and use it everywhere in 
tkinter instead of float().

--
resolution:  - fixed
stage: patch review - resolved
status: open - closed

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[issue21881] python cannot parse tcl value

2014-07-05 Thread Serhiy Storchaka 

Serhiy Storchaka added the comment:

Here is a patch which omits using of float() to convert Tcl's NaN values.

--
keywords: +patch
stage: needs patch - patch review
Added file: http://bugs.python.org/file35864/test_tcl_nan.patch

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[issue21881] python cannot parse tcl value

2014-07-05 Thread Andreas Schwab 

Andreas Schwab added the comment:

Thanks, this is working now.

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[issue21881] python cannot parse tcl value

2014-07-04 Thread Serhiy Storchaka 

Serhiy Storchaka added the comment:

Interesting, what result of getdouble?

 import _tkinter
 tk = _tkinter.create()
 nan = float('nan')
 tk.getdouble(nan)
nan

What returns getdouble() (note that _tkinter is imported instead of tkinter!) 
for NaN value?

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assignee:  - serhiy.storchaka

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[issue21881] python cannot parse tcl value

2014-07-04 Thread Andreas Schwab 

Andreas Schwab added the comment:

 _tkinter.create().getdouble(float('nan'))
nan

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[issue21881] python cannot parse tcl value

2014-06-30 Thread Ned Deily 

Ned Deily added the comment:

What version of Tcl are you using and on what platform?

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nosy: +ned.deily, serhiy.storchaka

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[issue21881] python cannot parse tcl value

2014-06-30 Thread Andreas Schwab 

Andreas Schwab added the comment:

You will see this on any architecture where the canonical NaN has all bits set 
(or a subset of them).  This include mips and m68k.

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[issue21881] python cannot parse tcl value

2014-06-30 Thread Ned Deily 

Changes by Ned Deily n...@acm.org:


--
nosy:  -ned.deily
stage:  - needs patch
versions: +Python 3.4, Python 3.5

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[issue21881] python cannot parse tcl value

2014-06-29 Thread Andreas Schwab 

New submission from Andreas Schwab:

Lib/test/test_tcl.py fails with:

test test_tcl failed -- Traceback (most recent call last):
  File /home/abuild/rpmbuild/BUILD/Python-2.7.7/Lib/test/test_tcl.py, line 430
, in test_user_command
check(float('nan'), 'NaN', eq=nan_eq)
  File /home/abuild/rpmbuild/BUILD/Python-2.7.7/Lib/test/test_tcl.py, line 397
, in check
eq(result[0], expected2)
  File /home/abuild/rpmbuild/BUILD/Python-2.7.7/Lib/test/test_tcl.py, line 405
, in nan_eq
actual = float(actual)
ValueError: invalid literal for float(): NaN(7)

--
components: Tkinter
messages: 221887
nosy: schwab
priority: normal
severity: normal
status: open
title: python cannot parse tcl value
type: behavior
versions: Python 2.7

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