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Matthew Russell | 1 Sep 2007 03:00
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[issue1077] itertools missing, causes interactive help to break


Changes by Matthew Russell:

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components: Interpreter Core, Library (Lib)
files: py3k_bug1.txt
severity: urgent
status: open
title: itertools missing, causes interactive help to break
type: behavior
versions: Python 3.0

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Gabriel Genellina | 1 Sep 2007 03:03
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[issue1073] Mysterious failure under Windows


Gabriel Genellina added the comment:

Does the file exist before program is started, and remains after 
program finishes?
If it is your program which creates the file, you may have a race 
condition. Maybe some delays/retries will be enough, or perhaps you 
will have to use some other syncronization mechanisms.

Also, I see you use a relative path. Do you change the current 
directory (with os.chdir or similar)?

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nosy: +gagenellina

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Aki | 1 Sep 2007 03:11
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[issue1073] Mysterious failure under Windows


Aki added the comment:

Sorry to disappoint you but ...
(1) Does the file exist before program is started, and remains after
program finishes?
Yes and Yes
(2) Do you change the current directory (with os.chdir or similar)?
No. The file is in the current directory where the program was invoked.

//

Probably, only way to settle this is to create a small test case.
But I'm not sure if that is easy.
(For example, this problem won't occur if no activity in the main thread.)

Aki-

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jinok | 1 Sep 2007 03:22
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[issue1078] cachersrc.py using tuple unpacking args


New submission from jinok:

Mac/scripts/cachersrc.py contains tuple unpacking in handler function
args definition, causing "make frameworkinstall" to complain and exit
early.

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components: Macintosh
messages: 55546
nosy: jinok
severity: normal
status: open
title: cachersrc.py using tuple unpacking args
type: compile error
versions: Python 3.0

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Gabriel Genellina | 1 Sep 2007 04:01
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[issue1045] Performance regression in 2.5


Gabriel Genellina added the comment:

I've narrowed the problem to the usage of generator expressions. 
Generator expressions appear to be MUCH slower on 2.5 than on 2.4.

>python -m timeit "tuple([1 for _ in xrange(3)])"
2.4 -> 2.23us
2.5 -> 2.31us (a bit slower, but not so much)

>python -m timeit "tuple(1 for _ in xrange(3))"
2.4 -> 3.32us
2.5 -> 8.03us (240% slower than 2.4)

It appears to be a fixed cost, or startup cost, of the generator 
expression; differences get smaller when building large tuples (but 
always Python 2.5 runs slower than 2.4)

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components:  -Library (Lib)
nosy: +gagenellina

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(Continue reading)

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Guido van Rossum | 1 Sep 2007 04:19
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[issue1067] test_smtplib failures (caused by asyncore)


Guido van Rossum added the comment:

(Reopening given recent discussion.)

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resolution: fixed -> 
status: closed -> open

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Gabriel Genellina | 1 Sep 2007 04:21
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[issue1027] uudecoding (uu.py) does not supprt base64, patch attached


Gabriel Genellina added the comment:

I think the 2.4 version is in maintenance mode, so no new features are 
added.

You may target 2.5 or 2.6. But the patch is incorrect: the base64 name 
is undefined. You should include test cases and documentation changes 
also; please read http://www.python.org/dev/patches/

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components: +Library (Lib) -Extension Modules
nosy: +gagenellina

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Martin v. Löwis | 1 Sep 2007 07:34
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[issue1073] Mysterious failure under Windows


Martin v. Löwis added the comment:

I'm closing this as "works for me" now. It cannot possibly be a bug in
Python, since the error was created by the operating system; Python does
not make it up randomly. I also doubt that the operating system will
arbitrarily report that a file is not present if the calling process
uses threads.

So if you can come up with a reproducible test case, please submit a new
bug report. Otherwise, you are on your own figuring out what's going on.

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resolution:  -> works for me
status: open -> closed

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Martin v. Löwis | 1 Sep 2007 08:39
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[issue1737210] Add/Remove programs shows Martin v Löwis


Martin v. Löwis added the comment:

I have now changed the string to "Python Software Foundation" in r57859,
r57860, and r57861.

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resolution:  -> fixed
status: open -> closed
versions: +Python 2.6, Python 3.0

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Georg Brandl | 1 Sep 2007 09:29
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[issue1074] python3.0-config script does not run on py3k


Georg Brandl added the comment:

Koen van de Sande schrieb:
> New submission from Koen van de Sande:
> 
> The python3.0-config script, installed into the py3k bin folder, does 
> not run on Python 3.0a1, because of the syntax change in the "print" 
> statement. Possibly there are other compatibility issues.

Thanks, fixed in rev. 57862.

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assignee:  -> georg.brandl
nosy: +georg.brandl
resolution:  -> fixed
status: open -> closed

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