[issue16710] json encode/decode error

[Андрей Гаврилин]

New submission from Андрей Гаврилин:

I sent this.

{24: (0, ''), 27: (0, ''), 19: (0, ''), 28: (0, '')}

{"tasks": {"24": [0, ""], "27": [0, ""], "19": [0, ""], "28": [0, ""]}, "uuid": 
"8798b4dfbe3646e5ab05106f6f9af6fe", "delay": 3, "task_limit": 10, "arch": 
["ARM", "i386", "x86_64"], "build_env": "fedora"}

And I've got this.

{"tasks": {"24": [0, ""], "27": [0, ""], "19": [0, ""], "28": [0, ""]}, "uuid": 
"8798b4dfbe3646e5ab05106f6f9af6fe", "delay": 3, "task_limit": 10, "arch": 
["ARM", "i386", "x86_64"], "build_env": "fedora"}

{u'tasks': {u'24': [0, u''], u'19': [0, u''], u'27': [0, u''], u'28': [0, 
u'']}, u'uuid': u'8798b4dfbe3646e5ab05106f6f9af6fe', u'delay': 3, 
u'task_limit': 10, u'arch': [u'ARM', u'i386', u'x86_64'], u'build_env': u'rosa'}

{u'24': [0, u''], u'19': [0, u''], u'27': [0, u''], u'28': [0, u'']}

It must contain digits.


{24: (0, ''), 27: (0, ''), 19: (0, ''), 28: (0, '')}

{u'24': [0, u''], u'19': [0, u''], u'27': [0, u''], u'28': [0, u'']}

--
messages: 177679
nosy: Андрей.Гаврилин
priority: normal
severity: normal
status: open
title: json encode/decode error
versions: Python 2.7

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[issue16710] json encode/decode error

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc added the comment:

Unlike Python dictionaries, keys of Json objects are always strings. 
There is a note in the documentation: 
http://docs.python.org/2/library/json.html#json.dumps

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resolution:  -> invalid
status: open -> closed

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[issue16711] s/next()/__next__/ in collections.abc.Iterator document.

[INADA Naoki]

New submission from INADA Naoki:

http://docs.python.org/3/library/collections.abc.html#collections.abc.Iterator

> ABC for classes that provide the __iter__() and next() methods.

"next()" should be "__next__()" for Python 3.

--
assignee: docs@python
components: Documentation
messages: 177681
nosy: docs@python, naoki
priority: normal
severity: normal
status: open
title: s/next()/__next__/ in collections.abc.Iterator document.
versions: Python 3.3

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[issue16710] json encode/decode error

[Андрей Гаврилин]

Андрей Гаврилин added the comment:

I saw it now. I'm in a hurry today.

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[issue16709] unittest discover order is filesystem specific - hard to reproduce

[Michael Foord]

Michael Foord added the comment:

Seems reasonable.

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[issue16706] Get rid of os.error. Use OSError instead

[Andrew Svetlov]

Andrew Svetlov added the comment:

I think deprecation makes not big value.
We should continue aliases support and there are no place to raise warning.
What we can do — mention deprecation in the doc.

The reason to get rid of other OSError aliases to make cleaner code (especially 
considering situations like `except (os.error, IOError):` and use best 
practices in stdlib.

I think the later is very important because stdlib is first class example of 
coding style for many users.

After stdlib we can cleanup C code to that unification and use concrete 
exception classes instead of errno checking (#16705).

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[issue16706] Get rid of os.error. Use OSError instead

[Hynek Schlawack]

Hynek Schlawack added the comment:

> I think deprecation makes not big value.
> We should continue aliases support and there are no place to raise warning.
> What we can do — mention deprecation in the doc.

That’s what I meant. I saw it in shutil code, were confused, looked it up, 
wondered why it exists. I would like to get rid of it.

Do you have any concrete plans or should I just wade through shutil and make it 
pretty for 3.4?

> The reason to get rid of other OSError aliases to make cleaner code 
> (especially considering situations like `except (os.error, IOError):` and use 
> best practices in stdlib.

Sure.

> I think the later is very important because stdlib is first class example of 
> coding style for many users.

I hope not. :-/

> After stdlib we can cleanup C code to that unification and use concrete 
> exception classes instead of errno checking (#16705).

Awesome.

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[issue16650] Popen._internal_poll() references errno.ECHILD outside of the local scope

[Andrew Svetlov]

Andrew Svetlov added the comment:

As I can see in Py_Finalize finalized for standard exception classes is called 
after any python code has been finished, so we don't need to protect those 
exceptions.

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[issue16708] Module: shutil will not import when writen in the text editor but will in the python shell

[R. David Murray]

R. David Murray added the comment:

You have a 'copy.py' module in your python path, as is evidenced by the 
filename in your traceback, which tarfile is importing instead of the real copy 
module, and your copy.py is therefore trying to use shutil before it is 
completely imported, thus the error.  So this is indeed a local problem on your 
machine.

python-list is a mailing list where there are a lot of python users, many of 
whom will be willing to help you sort this out if you need more help.  Go to 
mail.python.org for a list of lists and signup instructions.

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

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[issue16712] collections.abc.Sequence should not provide __reversed__

[INADA Naoki]

New submission from INADA Naoki:

http://docs.python.org/3.3/reference/datamodel.html#object.__reversed__
>  Objects that support the sequence protocol should only provide 
> __reversed__() if they can provide an implementation that is more efficient 
> than the one provided by reversed().

collections.abc.Sequence can't provide more efficient method.
It only make `reversed()` slower.

--
components: Library (Lib)
messages: 177688
nosy: naoki
priority: normal
severity: normal
status: open
title: collections.abc.Sequence should not provide __reversed__
versions: Python 3.4, Python 3.5

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[issue16703] except statement turns defined variable into undefined

[Brett Cannon]

Brett Cannon added the comment:

As Mark pointed out, this is on purpose and is not going to change since Python 
lacks block-level scoping of variables and thus causes the last case related to 
the variable to take precedence. It might be a little unexpected, but it's not 
that unreasonable when you think about scoping rules and understand how 
'except' blocks work.

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[issue16711] s/next()/__next__/ in collections.abc.Iterator document.

[Roundup Robot]

Roundup Robot added the comment:

New changeset 259516fddb6c by Andrew Svetlov in branch '3.2':
Issue #16711: Fix required method names for collections.Iterator
http://hg.python.org/cpython/rev/259516fddb6c

New changeset 864bb05be215 by Andrew Svetlov in branch '3.3':
Issue #16711: Fix required method names for collections.Iterator
http://hg.python.org/cpython/rev/864bb05be215

New changeset 85127ec7d724 by Andrew Svetlov in branch 'default':
Issue #16711: Fix required method names for collections.Iterator
http://hg.python.org/cpython/rev/85127ec7d724

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[issue16711] s/next()/__next__/ in collections.abc.Iterator document.

[Andrew Svetlov]

Andrew Svetlov added the comment:

Fixed. Thanks.

--
nosy: +asvetlov
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> closed
versions: +Python 3.2, Python 3.4

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[issue16713] "tel" URIs should support params

[Antoine Pitrou]

New submission from Antoine Pitrou:

RFC 3966 (http://tools.ietf.org/html/rfc3966) defines the tel URI and its 
parameters. However, urlparse / urllib.parse doesn't recognize "tel" URIs as 
taking parameters:

>>> urlparse.urlparse('tel:7042;phone-context=example.com')
ParseResult(scheme='tel', netloc='', path='7042;phone-context=example.com', 
params='', query='', fragment='')

--
components: Library (Lib)
messages: 177692
nosy: orsenthil, pitrou
priority: normal
severity: normal
stage: needs patch
status: open
title: "tel" URIs should support params
type: behavior
versions: Python 2.7, Python 3.2, Python 3.3, Python 3.4

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[issue16709] unittest discover order is filesystem specific - hard to reproduce

[vila]

Changes by vila :


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[issue16713] "tel" URIs should support params

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc added the comment:

I don't know whether 'tel' is a common scheme, but it's easy to add it to 
urlparse from the outside:

>>> urlparse.uses_param.append('tel')
>>> urlparse.urlparse('tel:7042;phone-context=example.com')
ParseResult(scheme='tel', netloc='', path='7042', 
params='phone-context=example.com', query='', fragment='')

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[issue15533] subprocess.Popen(cwd) documentation

[Jan Lachnitt]

Jan Lachnitt added the comment:

Hi,

I am using Python 3.2.3 on Windows XP. I encountered a problem with 
subprocess.call when using the cwd parameter. I used Google to look for a 
solution and I found this issue in Python tracker. But this issue seems 
absolutely reversed!

The subprocess documentation says this: "In particular, the function looks for 
executable (or for the first item in args) relative to cwd if the executable 
path is a relative path." But this is NOT true. If I use the path relative to 
cwd, I get Windows Error 2 (system cannot find the file). If I change the 
executable's path to be relative to the current directory, where the script is 
running (i.e. NOT the cwd parameter passed to subprocess.call), it works fine.

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[issue15533] subprocess.Popen(cwd) documentation

[Chris Jerdonek]

Chris Jerdonek added the comment:

Hi Jan, yes, the documentation now describes the non-Windows behavior, which is 
different from the Windows behavior.  See the comment just before yours on what 
still needs to be done to resolve this issue.  I was in the middle of creating 
a bunch of test cases for the various combinations, as well as documenting the 
results.  But I got busy with other things.  I will see if I can revisit my 
work on this sometime soon and upload a diff.

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[issue15533] subprocess.Popen(cwd) documentation

[Jan Lachnitt]

Jan Lachnitt added the comment:

EDIT:

No, it doesn't work fine: the executable reports stack overflow. I thought this 
had nothing to do with Python, hence I didn't mention it. But If I run the 
executable without Python, THEN it works fine. But this may be another issue.

I'll update to 3.3.0 and then tell you if this has changed.

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[issue15533] subprocess.Popen(cwd) documentation

[Jan Lachnitt]

Jan Lachnitt added the comment:

Hi Chris, thank for your reply, I didn't see it while writing the edit. Does it 
mean that on Linux, it will use the cwd?

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[issue16714] Raise exceptions, don't throw

[Serhiy Storchaka]

New submission from Serhiy Storchaka:

The proposed patch fixes wording of documentation, comments, etc which use the 
term 'throw' instead of 'raise' in context of exception raising.

--
assignee: docs@python
components: Documentation
files: raise-3.3.patch
keywords: patch
messages: 177698
nosy: asvetlov, docs@python, serhiy.storchaka
priority: normal
severity: normal
stage: patch review
status: open
title: Raise exceptions, don't throw
type: enhancement
versions: Python 2.7, Python 3.2, Python 3.3, Python 3.4
Added file: http://bugs.python.org/file28347/raise-3.3.patch

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[issue16714] Raise exceptions, don't throw

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


Added file: http://bugs.python.org/file28348/raise-3.2.patch

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[issue16714] Raise exceptions, don't throw

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


Added file: http://bugs.python.org/file28349/raise-2.7.patch

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[issue16648] stdib should use new exception types from PEP 3151

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
dependencies: +Raise exceptions, don't throw

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[issue16714] Raise exceptions, don't throw

[Chris Jerdonek]

Changes by Chris Jerdonek :


--
nosy: +chris.jerdonek

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[issue16714] Raise exceptions, don't throw

[Georg Brandl]

Georg Brandl added the comment:

LGTM, except for:

diff -r 907d71668d3c Python/pythonrun.c
--- a/Python/pythonrun.cSun Dec 16 21:10:35 2012 +0100
+++ b/Python/pythonrun.cTue Dec 18 19:35:27 2012 +0200
@@ -2518,7 +2518,7 @@
 PyOS_CheckStack(void)
 {
 __try {
-/* alloca throws a stack overflow exception if there's
+/* alloca raises a stack overflow exception if there's
not enough space left on the stack */
 alloca(PYOS_STACK_MARGIN * sizeof(void*));
 return 0;

This is talking about a C++ exception and therefore "throw" is correct.

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[issue16714] Raise exceptions, don't throw

[Roundup Robot]

Roundup Robot added the comment:

New changeset fdf907708f49 by Andrew Svetlov in branch '3.2':
Issue #16714: use 'raise' exceptions, don't 'throw'.
http://hg.python.org/cpython/rev/fdf907708f49

New changeset 15a391919deb by Andrew Svetlov in branch '3.3':
Issue #16714: use 'raise' exceptions, don't 'throw'.
http://hg.python.org/cpython/rev/15a391919deb

New changeset 7260cf668dd7 by Andrew Svetlov in branch 'default':
Issue #16714: use 'raise' exceptions, don't 'throw'.
http://hg.python.org/cpython/rev/7260cf668dd7

New changeset 8c2635afbfe1 by Andrew Svetlov in branch '2.7':
Issue #16714: use 'raise' exceptions, don't 'throw'.
http://hg.python.org/cpython/rev/8c2635afbfe1

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[issue16714] Raise exceptions, don't throw

[Andrew Svetlov]

Andrew Svetlov added the comment:

Fixed. Thanks, Serhiy.

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resolution:  -> fixed
stage: patch review -> committed/rejected
status: open -> closed

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[issue16715] Get rid of IOrror. Use OSError instead

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
assignee: asvetlov
components: Library (Lib)
nosy: asvetlov
priority: normal
severity: normal
status: open
title: Get rid of IOrror. Use OSError instead
versions: Python 3.4

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[issue16705] Use concrete classes inherited from OSError instead of errno check

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
dependencies: +Get rid of IOrror. Use OSError instead, Get rid of os.error. Use 
OSError instead

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[issue16706] Get rid of os.error. Use OSError instead

[Roundup Robot]

Roundup Robot added the comment:

New changeset 47f98a550d42 by Andrew Svetlov in branch 'default':
Issue #16706: get rid of os.error
http://hg.python.org/cpython/rev/47f98a550d42

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[issue16716] Deprecate OSError aliases in the doc

[Andrew Svetlov]

New submission from Andrew Svetlov:

The list of aliases is: IOError, EnvironmentError, WindowsError, mmap.error, 
socket.error, os.error and select.error

Documentation should have deprecation message guessing to use OSError instead.

--
messages: 177704
nosy: asvetlov
priority: normal
severity: normal
stage: needs patch
status: open
title: Deprecate OSError aliases in the doc
versions: Python 3.4

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[issue16706] Get rid of os.error. Use OSError instead

[Andrew Svetlov]

Andrew Svetlov added the comment:

Fixed. 
About deprecation: I've created #16716 for that.

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[issue16706] Get rid of os.error. Use OSError instead

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> closed

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[issue16705] Use concrete classes inherited from OSError instead of errno check

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
dependencies: +Deprecate OSError aliases in the doc

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[issue16717] Get rid of socket.error. Use OSError instead

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
assignee: asvetlov
components: Documentation
nosy: asvetlov
priority: normal
severity: normal
status: open
title: Get rid of socket.error. Use OSError instead
versions: Python 3.4

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[issue16705] Use concrete classes inherited from OSError instead of errno check

[Andrew Svetlov]

Changes by Andrew Svetlov :


--
dependencies: +Get rid of socket.error. Use OSError instead

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[issue16716] Deprecate OSError aliases in the doc

[Antoine Pitrou]

Antoine Pitrou added the comment:

"The following exceptions are kept for compatibility with previous versions; 
starting from Python 3.3, they are aliases of OSError."

Do you want to add an explicit compatibility statement there?

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

New submission from anatoly techtonik:

Weird bug. Attached are two files: wow.py and wy.py
When wow.py is executed - it fails with single ImportError.
But when wy.py is executed (which is a simple "import wow" statement) it fails 
with one ImportError and TypeError exceptions.

--
components: Interpreter Core, Library (Lib)
messages: 177707
nosy: techtonik
priority: normal
severity: normal
status: open
title: Mysterious atexit fail
versions: Python 2.6, Python 2.7

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

Changes by anatoly techtonik :


Added file: http://bugs.python.org/file28353/wow.py

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

Changes by anatoly techtonik :


Added file: http://bugs.python.org/file28354/wy.py

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

anatoly techtonik added the comment:

...one ImportError and *two* TypeError exceptions.

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

anatoly techtonik added the comment:

>py wy.py
Traceback (most recent call last):
  File "wy.py", line 1, in 
import wow
  File "E:\scons\wow.py", line 12, in 
import fail
ImportError: No module named fail
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "C:\Python27\lib\atexit.py", line 24, in _run_exitfuncs
func(*targs, **kargs)
  File "E:\scons\wow.py", line 8, in _clean
cleanlist = [ c for c in _Cleanup if c ]
TypeError: 'NoneType' object is not iterable
Error in sys.exitfunc:
Traceback (most recent call last):
  File "C:\Python27\lib\atexit.py", line 24, in _run_exitfuncs
func(*targs, **kargs)
  File "E:\scons\wow.py", line 8, in _clean
cleanlist = [ c for c in _Cleanup if c ]
TypeError: 'NoneType' object is not iterable

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[issue16718] Mysterious atexit fail

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

It's because _Cleanup is None (as all global variables) when atexit registered 
functions executed. Don't use globals in such code.

--
nosy: +serhiy.storchaka

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[issue16716] Deprecate OSError aliases in the doc

[Andrew Svetlov]

Andrew Svetlov added the comment:

Don't know about library/exceptions.rst
For other modules (socket, select etc.) I like to use ".. deprecated:: 3.3" 
markup.

Antoine, do you have objections?

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[issue16716] Deprecate OSError aliases in the doc

[Antoine Pitrou]

Antoine Pitrou added the comment:

No objections from me. It would be good to have other people's opinions, though.

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[issue16716] Deprecate OSError aliases in the doc

[R. David Murray]

R. David Murray added the comment:

It seems sensible to me.

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nosy: +r.david.murray

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[issue16717] Get rid of socket.error. Use OSError instead

[Roundup Robot]

New submission from Roundup Robot:

New changeset 50d19c2fac82 by Andrew Svetlov in branch 'default':
Issue #16717: get rid of socket.error, replace with OSError
http://hg.python.org/cpython/rev/50d19c2fac82

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nosy: +python-dev

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[issue16717] Get rid of socket.error. Use OSError instead

[Andrew Svetlov]

Andrew Svetlov added the comment:

Fixed

--
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> closed

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[issue16718] Mysterious atexit fail

[anatoly techtonik]

anatoly techtonik added the comment:

But why _Cleanup is not None when wow.py is executed standalone?

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[issue15599] test_circular_imports() of test_threaded_import fails on FreeBSD 9.0

[Antoine Pitrou]

Antoine Pitrou added the comment:

The occasional test_parallel_meta_path failure is really weird. The 
sys.meta_path module finding in _bootstrap.py is protected by the global import 
lock, so there shouldn't be any failure here. I'm starting to suspect some 
issue in the lock code itself.

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[issue15599] test_circular_imports() of test_threaded_import fails on FreeBSD 9.0

[Roundup Robot]

Roundup Robot added the comment:

New changeset 1ee9cf5a5351 by Antoine Pitrou in branch '3.3':
Add sanity assertions in some import lock code (issue #15599).
http://hg.python.org/cpython/rev/1ee9cf5a5351

New changeset 7cfca9ede861 by Antoine Pitrou in branch 'default':
Add sanity assertions in some import lock code (issue #15599).
http://hg.python.org/cpython/rev/7cfca9ede861

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[issue15599] test_threaded_import fails sporadically on Windows and FreeBSD

[Antoine Pitrou]

Changes by Antoine Pitrou :


--
title: test_circular_imports() of test_threaded_import fails on FreeBSD 9.0 -> 
test_threaded_import fails sporadically on Windows and FreeBSD

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[issue16719] Get rid of WindowsError. Use OSError instead

[Serhiy Storchaka]

New submission from Serhiy Storchaka:

Here is a patch.

--
components: Extension Modules, Interpreter Core, Library (Lib)
files: windowserror2oserror.patch
keywords: patch
messages: 177719
nosy: serhiy.storchaka
priority: normal
severity: normal
stage: patch review
status: open
title: Get rid of WindowsError. Use OSError instead
type: enhancement
versions: Python 3.4
Added file: http://bugs.python.org/file28355/windowserror2oserror.patch

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[issue16719] Get rid of WindowsError. Use OSError instead

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
nosy: +asvetlov

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[issue16648] stdib should use new exception types from PEP 3151

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
dependencies: +Get rid of WindowsError. Use OSError instead

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[issue16719] Get rid of WindowsError. Use OSError instead

[Brian Curtin]

Changes by Brian Curtin :


--
assignee:  -> brian.curtin
components: +Windows
nosy: +brian.curtin

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[issue15599] test_threaded_import fails sporadically on Windows and FreeBSD

[Roundup Robot]

Roundup Robot added the comment:

New changeset 67d6bb557d67 by Antoine Pitrou in branch '3.3':
Try to make test_threaded_import faster and safer (issue #15599).
http://hg.python.org/cpython/rev/67d6bb557d67

New changeset 30c7cc62303a by Antoine Pitrou in branch 'default':
Try to make test_threaded_import faster and safer (issue #15599).
http://hg.python.org/cpython/rev/30c7cc62303a

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[issue16720] Get rid of os.error. Use OSError instead

[Serhiy Storchaka]

New submission from Serhiy Storchaka:

Here is a patch.

--
components: Library (Lib)
files: os.error2oserror.diff
keywords: patch
messages: 177721
nosy: asvetlov, serhiy.storchaka
priority: normal
severity: normal
stage: patch review
status: open
title: Get rid of os.error. Use OSError instead
type: enhancement
versions: Python 3.4
Added file: http://bugs.python.org/file28356/os.error2oserror.diff

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[issue16721] configure incorrectly adds -OPT:Olimit=0 for clang

[Vladimir Timofeev]

New submission from Vladimir Timofeev:

Similar to http://bugs.python.org/issue1162001

But some differences, issue exposed only when first -OPT:Olimit=0 followed by 
correct -On option. clang simple do not check correctness of first occurences 
of -O:

$ clang -OPT:Olimit=0 test.c; echo $?
error: invalid integral value 'PT:Olimit=0' in '-OPT:Olimit=0'
error: invalid integral value 'PT:Olimit=0' in '-OPT:Olimit=0'
1

$ clang -OPT:Olimit=0 -O2 test.c; echo $?   

 
0

This leads to normal compilation of python itself, but some dependant software 
built by gcc fails (see http://www.freebsd.org/cgi/query-pr.cgi?pr=174525 )

--
components: Build
messages: 177722
nosy: Vladimir.Timofeev
priority: normal
severity: normal
status: open
title: configure incorrectly adds -OPT:Olimit=0 for clang
versions: Python 2.7

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[issue16648] stdib should use new exception types from PEP 3151

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
dependencies: +Get rid of os.error. Use OSError instead

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[issue16721] configure incorrectly adds -OPT:Olimit=0 for clang

[Antoine Pitrou]

Changes by Antoine Pitrou :


--
nosy: +brett.cannon

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[issue16715] Get rid of IOError. Use OSError instead

[Antoine Pitrou]

Changes by Antoine Pitrou :


--
title: Get rid of IOrror. Use OSError instead -> Get rid of IOError. Use 
OSError instead

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[issue13876] Sporadic failure in test_socket: testRecvmsgEOF

[Roundup Robot]

Roundup Robot added the comment:

New changeset 13d8c33de8ff by Antoine Pitrou in branch '3.3':
Silence sporadic failure in RecvmsgIntoSCTPStreamTest.testRecvmsgEOF (issue 
#13876) - probably not Python-related.
http://hg.python.org/cpython/rev/13d8c33de8ff

New changeset 900ee4a04f5e by Antoine Pitrou in branch 'default':
Silence sporadic failure in RecvmsgIntoSCTPStreamTest.testRecvmsgEOF (issue 
#13876) - probably not Python-related.
http://hg.python.org/cpython/rev/900ee4a04f5e

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[issue16718] Mysterious atexit fail

[Richard Oudkerk]

Richard Oudkerk added the comment:

When you run wy.py the wow module gets partially imported, and then garbage 
collected because it fails to import successfully.  The destructor for the 
module replaces values in the module's __dict__ with None.  So when the cleanup 
function runs you get the unexpected error.

When you run wow.py directly, wow (i.e. the main module) will not be garbage 
collected, so _Cleanup is never replaced by None.

--
nosy: +sbt

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[issue16722] __index__() overrides __bytes__() when bytes() is called

[Руслан Ижбулатов]

New submission from Руслан Ижбулатов:

If a class implements both __index__() and __bytes__(), the built-in bytes() 
constructor uses __index__() in place of __bytes__(), including the assumption 
that __index__() returns a bytes object.

Attaching a simple example (leads to overflow when big integer is casted to 
bytes).

--
components: None
files: testb.py
messages: 177725
nosy: LRN
priority: normal
severity: normal
status: open
title: __index__() overrides __bytes__() when bytes() is called
versions: Python 3.3
Added file: http://bugs.python.org/file28357/testb.py

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[issue16723] io.TextIOWrapper on urllib.request.urlopen terminates prematurely

[Michiel de Hoon]

New submission from Michiel de Hoon:

I am trying to use io.TextIOWrapper to wrap a handle returned by 
urllib.request.urlopen. Reading line-by-line from the wrapped handle terminates 
prematurely.

As an example, consider this script:

import urllib.request
import io

url = "http://www.python.org";
handle = urllib.request.urlopen(url)
wrapped_handle = io.TextIOWrapper(handle, encoding='utf-8')
for line in wrapped_handle:
pass

This gives:

Traceback (most recent call last):
  File "", line 1, in 
ValueError: I/O operation on closed file.

This happens after 335 out of the 430 lines have been read (the last line read 
is "The Python Software 
Foundation holds the intellectual property\n", which is line 335 on the 
www.python.org website.

--
messages: 177726
nosy: mdehoon
priority: normal
severity: normal
status: open
title: io.TextIOWrapper on urllib.request.urlopen terminates prematurely
type: behavior
versions: Python 3.3

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