[issue30434] multiprocessing AuthenticationError "digest sent was rejected"

2020-08-25 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution:  -> out of date
stage: test needed -> resolved
status: open -> closed

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[issue39279] Don't allow non-Ascii digits in platform.py

2020-01-23 Thread Xiang Zhang


Xiang Zhang  added the comment:

@Ezio, at least for my config they are all ASCII digits. But still I don't 
think there is any rush to change current behaviour.

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[issue39279] Don't allow non-Ascii digits in platform.py

2020-01-22 Thread Xiang Zhang


Xiang Zhang  added the comment:

I can't understand the rational for rejecting localized digits though I don't 
know who will use them in practise. I'd rather fix it until there is a real 
problem with it.

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[issue34953] Implement `mmap.mmap.__repr__`

2019-10-17 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset d8ca2354ed30c12b9ce37c4535222b700a727b32 by Xiang Zhang (Taine 
Zhao) in branch 'master':
bpo-34953: Implement `mmap.mmap.__repr__` (GH-9891)
https://github.com/python/cpython/commit/d8ca2354ed30c12b9ce37c4535222b700a727b32


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[issue34953] Implement `mmap.mmap.__repr__`

2019-10-17 Thread Xiang Zhang


Change by Xiang Zhang :


--
components: +Extension Modules -Interpreter Core
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.9 -Python 3.8

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[issue38391] Typo in tutorial code (does not compile)

2019-10-07 Thread Xiang Zhang


Change by Xiang Zhang :


--
assignee:  -> docs@python
components: +Documentation -Demos and Tools
nosy: +docs@python
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.8, Python 3.9

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[issue38391] Typo in tutorial code (does not compile)

2019-10-07 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 038503e08ac5b10601b95d5adc2c2cab7be10163 by Xiang Zhang (Krishna 
Oza) in branch 'master':
bpo-38391: Fixing a typo for Py_DECREF (GH-16616)
https://github.com/python/cpython/commit/038503e08ac5b10601b95d5adc2c2cab7be10163


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[issue38168] Refleaks in setint() of mmapmodule.c

2019-09-16 Thread Xiang Zhang


Change by Xiang Zhang :


--
components: +Extension Modules -Interpreter Core
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 2.7, Python 3.7, Python 3.8, Python 3.9

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[issue38168] Refleaks in setint() of mmapmodule.c

2019-09-16 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 68d8c122972d7a49627b983af4ccbfad9f5ade17 by Xiang Zhang in branch 
'2.7':
[2.7] bpo-38168: Fix a possbile refleak in setint() of mmapmodule.c (GH-16136) 
(GH-16176)
https://github.com/python/cpython/commit/68d8c122972d7a49627b983af4ccbfad9f5ade17


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[issue38168] Refleaks in setint() of mmapmodule.c

2019-09-16 Thread Xiang Zhang


Change by Xiang Zhang :


--
pull_requests: +15786
pull_request: https://github.com/python/cpython/pull/16176

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[issue34410] itertools.tee not thread-safe; can segfault interpreter when wrapped iterator releases GIL

2019-09-02 Thread Xiang Zhang


Xiang Zhang  added the comment:

>It may be better to apply it even to the developed version. There is nothing 
>wrong with creating the tee iterator in one thread and using it the other 
>thread. Or using the tee iterators with external locking. I afraid that PR 
>15567 can break a legitimate code.

+1 on this. I think it's better to also apply #15625 to master branch. I don't 
think we should prevent creating the iterator in one thread and using it in 
others.

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[issue37451] Remove redudant test code in _testcapimodule.c

2019-07-20 Thread Xiang Zhang


Change by Xiang Zhang :


--
components: +Tests
resolution:  -> rejected
stage: patch review -> resolved
status: open -> closed
type:  -> enhancement

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[issue37476] Adding tests for PyUnicode_AsUTF8 and PyUnicode_AsUTF8AndSize

2019-07-20 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
title: Adding a unit test of unicode in test_unicode.py -> Adding tests for 
PyUnicode_AsUTF8 and PyUnicode_AsUTF8AndSize

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[issue37476] Adding a unit test of unicode in test_unicode.py

2019-07-20 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 5623ac87bbe5de481957eca5eeae06347612fbeb by Xiang Zhang (Hai Shi) 
in branch 'master':
bpo-37476: Adding tests for asutf8 and asutf8andsize (GH-14531)
https://github.com/python/cpython/commit/5623ac87bbe5de481957eca5eeae06347612fbeb


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[issue37606] Improve test_dtrace.py

2019-07-16 Thread Xiang Zhang


Change by Xiang Zhang :


--
versions:  -Python 3.5

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[issue37606] Improve test_dtrace.py

2019-07-16 Thread Xiang Zhang


Xiang Zhang  added the comment:

In Py3, you should use `python -m test test_dtrace` to run the test suite.

--
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resolution:  -> not a bug
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.5

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[issue37476] Adding a unit test of unicode in test_unicode.py

2019-07-07 Thread Xiang Zhang


Change by Xiang Zhang :


--
type:  -> enhancement
versions: +Python 3.9

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[issue37513] Fix a wrong exception type in ctypes documentation

2019-07-07 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
title: Fix a type error in ctypes.rst -> Fix a wrong exception type in ctypes 
documentation
versions: +Python 2.7, Python 3.7, Python 3.8, Python 3.9

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[issue37513] Fix a type error in ctypes.rst

2019-07-07 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset f6cdd3ff687ebbf8209d793a18a042ea495c4aeb by Xiang Zhang (Hai Shi) 
in branch 'master':
bpo-37513: Change ValueError to TypeError in an example in ctypes doc (GH-14615)
https://github.com/python/cpython/commit/f6cdd3ff687ebbf8209d793a18a042ea495c4aeb


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[issue37513] Fix a type error in ctypes.rst

2019-07-07 Thread Xiang Zhang


Xiang Zhang  added the comment:

Should be TypeError. It's changed from ValueError to TypeError in 
https://bugs.python.org/issue1831.

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[issue37441] Fix a param error in exceptions.rst

2019-07-02 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue37441] Fix a param error in exceptions.rst

2019-07-02 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset aeecf380660ea459d85bb5f59d76bb54f757b5be by Xiang Zhang (Hai Shi) 
in branch 'master':
bpo-37441: Fix wrong PyErr_SetImportErrorSubclass signature in doc (GH-14453)
https://github.com/python/cpython/commit/aeecf380660ea459d85bb5f59d76bb54f757b5be


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[issue34763] Treat U+4E17 as a numeric value

2019-06-03 Thread Xiang Zhang

Xiang Zhang  added the comment:

unicode.org doesn't list "丗" as numeric so I think there is nothing we can do.

--
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stage: patch review -> resolved
status: open -> closed

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[issue35497] Libary select docs enhance

2018-12-19 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue35497] Libary select docs enhance

2018-12-19 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 92330c0b6d6c253c41a133cc50caea4853c7e311 by Xiang Zhang 
(Manjusaka) in branch 'master':
bpo-35497: add versionadded tag for EPOLLEXCLUSIVE (GH-11162)
https://github.com/python/cpython/commit/92330c0b6d6c253c41a133cc50caea4853c7e311


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[issue35497] Libary select docs enhance

2018-12-17 Thread Xiang Zhang


Change by Xiang Zhang :


--
assignee:  -> docs@python
components: +Documentation -Library (Lib)
nosy: +docs@python, xiang.zhang
versions: +Python 3.8

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[issue35517] selector.EpollSelector: add new parameter to support EPOLLEXCLUSIVE

2018-12-17 Thread Xiang Zhang


Xiang Zhang  added the comment:

> I don't think to make selector be a public property is a good idea. It will 
> break the whole system integrity.

If exposing a private property is not a good idea, another choice may be 
construct a selector with a customized I/O multiplexer, adding an optional 
parameter to the __init__.

But actually I'm -1 to this change. `selectors` makes underlying 
implementations irrelavant to most users since we can simply use 
`DefaultSelector`(maybe why only read/write events are valid now?). But you are 
seeking to add implementation specific details back. If you know you want to 
add EPOLL_EXCLUSIVE, why not just use `select.epoll`? A single selector doesn't 
do much more than the underlying multiplexer.

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[issue35470] A deadly decref in _PyImport_FindExtensionObjectEx()

2018-12-12 Thread Xiang Zhang


Xiang Zhang  added the comment:

What about version 3.6?

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[issue33106] Deleting a key in a read-only gdbm results in KeyError, not gdbm.error

2018-12-12 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
type: behavior -> enhancement

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[issue33106] Deleting a key in a read-only gdbm results in KeyError, not gdbm.error

2018-12-12 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 4fb0b8bc25c52aae8dcb4353e69c1c88999a9a53 by Xiang Zhang in branch 
'master':
bpo-33106: change dbm key deletion error for readonly file from KeyError to 
dbm.error (#6295)
https://github.com/python/cpython/commit/4fb0b8bc25c52aae8dcb4353e69c1c88999a9a53


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[issue32804] urllib.retrieve documentation doesn't mention context parameter

2018-10-31 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue32804] urllib.retrieve documentation doesn't mention context parameter

2018-10-31 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset aa39c1ab6de6d3fb0204741efdde9b7eed25b093 by Xiang Zhang 
(Lysandros Nikolaou) in branch '2.7':
[2.7] bpo-32804: Include the context parameter in urlretrieve documentation 
(GH-10203)
https://github.com/python/cpython/commit/aa39c1ab6de6d3fb0204741efdde9b7eed25b093


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[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

2018-10-31 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

2018-10-31 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset b08746bfdf64e55ce33516f2065fa2aa4f51be95 by Xiang Zhang in branch 
'master':
bpo-35062: Fix parsing _io.IncrementalNewlineDecoder's *translate* argument. 
(GH-10217)
https://github.com/python/cpython/commit/b08746bfdf64e55ce33516f2065fa2aa4f51be95


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[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

2018-10-29 Thread Xiang Zhang


Change by Xiang Zhang :


--
keywords: +patch
pull_requests: +9534
stage: needs patch -> patch review

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[issue34672] '%Z' strftime specifier never works with musl

2018-10-28 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 163eca34c48f1b25e1504e37f4656773fd0fdc78 by Xiang Zhang in branch 
'master':
bpo-34672: fix a compiler warning in timemodule.c (GH-10176)
https://github.com/python/cpython/commit/163eca34c48f1b25e1504e37f4656773fd0fdc78


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[issue34672] '%Z' strftime specifier never works with musl

2018-10-28 Thread Xiang Zhang


Change by Xiang Zhang :


--
pull_requests: +9499

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[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

2018-10-24 Thread Xiang Zhang


New submission from Xiang Zhang :

io.IncrementalNewlineDecoder gets a *translate* bitwise struct field, but it 
could be assigned arbitrary int value. This leads to inconsistent behaviour, 
evens are evaluated to False and odds to True.

>>> io.IncrementalNewlineDecoder(encodings.utf_8.IncrementalDecoder(), 
>>> 4).decode(b"abcd\r\n")
u'abcd\r\n'
>>> io.IncrementalNewlineDecoder(encodings.utf_8.IncrementalDecoder(), 
>>> 5).decode(b"abcd\r\n")
u'abcd\n'

--
components: IO
messages: 328407
nosy: xiang.zhang
priority: normal
severity: normal
stage: needs patch
status: open
title: io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct 
field
type: behavior
versions: Python 2.7, Python 3.6, Python 3.7, Python 3.8

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[issue35056] Test leaks of memory not managed by Python allocator

2018-10-24 Thread Xiang Zhang


Change by Xiang Zhang :


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[issue31722] _io.IncrementalNewlineDecoder doesn't inherit codecs.IncrementalDecoder

2018-10-23 Thread Xiang Zhang


Xiang Zhang  added the comment:

Just find the same problem while investigating io.

--
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stage: patch review -> needs patch
versions: +Python 3.8

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[issue34748] Incorrect HTML link in functools.partial

2018-10-23 Thread Xiang Zhang


Xiang Zhang  added the comment:

Thanks all. :-)

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stage: patch review -> resolved
status: open -> closed

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[issue34748] Incorrect HTML link in functools.partial

2018-10-23 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 56a4a3aa555b3abc756cf837eddac4c0bf545db7 by Xiang Zhang in branch 
'2.7':
[2.7] bpo-34748: link to :ref:`partial-objects` in functools.partial doc. 
(GH-9809)
https://github.com/python/cpython/commit/56a4a3aa555b3abc756cf837eddac4c0bf545db7


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[issue34748] Incorrect HTML link in functools.partial

2018-10-23 Thread Xiang Zhang


Change by Xiang Zhang :


--
pull_requests: +9386

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[issue34748] Incorrect HTML link in functools.partial

2018-10-23 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 83a07652e0033f0d9994ae7634b91d6581c56b00 by Xiang Zhang (Andrei 
Petre) in branch 'master':
bpo-34748: link to :ref:`partial-objects` in functools.partial doc. (GH-9809)
https://github.com/python/cpython/commit/83a07652e0033f0d9994ae7634b91d6581c56b00


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[issue34973] Crash in bytes constructor with mutating list

2018-10-17 Thread Xiang Zhang


Xiang Zhang  added the comment:

I carefully read both the two PRs. The first one, easy to understand. The 
second one, I spend some time to figure out why the test doesn't crash, why we 
need to have reference count checks in two places and make some experiments to 
test in different cases, how the reference counts will be. I am afraid I have 
to repeat this procedure after some time when reading the code again. :-( And 
while in some cases the second approach increases performance. But in others 
cases it might hurt. Codes storing the array in a variable will go into the 
iterator branch.

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[issue34953] Implement `mmap.mmap.__repr__`

2018-10-15 Thread Xiang Zhang


Xiang Zhang  added the comment:

I don't like the idea to display the contents in the repr, no matter entire or 
clipped. I think it's not suitable and for contents, just read the object 
manually. For me, a closed status plus the constructor arguments is a good 
choice.

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[issue34979] Python throws “SyntaxError: Non-UTF-8 code start with \xe8...” when parse source file

2018-10-13 Thread Xiang Zhang


Change by Xiang Zhang :


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[issue34908] netrc parsing is overly strict

2018-10-09 Thread Xiang Zhang


Xiang Zhang  added the comment:

My PR https://github.com/python/cpython/pull/127 has tried to solve some 
restrictions of the current netrc library. It's somewhat outdated since no 
reviewer for a long time. As you can see there are also other libraries 
suffering from the restrictions.

Revising it I think it still doesn't solve the case here, although it should be 
easy. There is no formal spec we can refer to. :-( But since there is real 
world problem and curl allows it, we should take it into mind.

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[issue34850] Emit a syntax warning for "is" with a literal

2018-09-30 Thread Xiang Zhang


Xiang Zhang  added the comment:

I have catched using `is` to do string equality check in our codebase by 
linters before. Not all my colleagues know what's not suitable here.

The only common and suitable case I can think of is programmers are exploring 
CPython internals, like what stackoverflow Q and some Python blogs.

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[issue34763] Python lacks 0x4E17

2018-09-25 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue34770] pyshellext.cpp: Possible null pointer dereference

2018-09-24 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34786] ProcessPoolExecutor documentation reports wrong exception being raised

2018-09-24 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34486] "RuntimeError: release unlocked lock" when starting a thread

2018-09-09 Thread Xiang Zhang


Xiang Zhang  added the comment:

It's not right to replace with statement by manually calling __enter__ and 
__exit__. If there is any exception after __enter__ and before __exit__, 
__exit__ method will be skipped. That's not what we want.

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[issue34608] gc.get_referrers behavior change 3.6 to 3.7

2018-09-08 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue34505] urllib2 fails for proxy credentials that contains a '/' character

2018-09-02 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue34563] invalid assert on big output of multiprocessing.Process

2018-09-02 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue34486] "RuntimeError: release unlocked lock" when starting a thread

2018-09-02 Thread Xiang Zhang


Xiang Zhang  added the comment:

It looks to me pure Python implementation could not handle such cases. Put 
aside other possible bugs, threading.Condition.wait re-acquire the lock using 
threading.Condition._acquire_restore which could be interrupted and not able to 
acquire the lock. So it seems in any way using Pure Python, it's not possible 
to guarantee the lock is acquired.

--

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[issue34465] ipaddress should accept bytearray in addition to bytes

2018-08-31 Thread Xiang Zhang


Xiang Zhang  added the comment:

I'm -1 on this change. I think the workaround is easy and direct.

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[issue24482] itertools.tee causes segfault in a multithreading environment, while the equivalent implementation doesn't

2018-08-28 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution:  -> duplicate
stage: needs patch -> resolved
status: open -> closed
superseder:  -> itertools.tee not thread-safe; can segfault interpreter when 
wrapped iterator releases GIL

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[issue34434] Removal of kwargs for built-in types not covered with "changed in Python" note in documentation

2018-08-27 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34434] Removal of kwargs for built-in types not covered with "changed in Python" note in documentation

2018-08-27 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 3fe89dac42809a7741d50ebf595be98833b79b97 by Xiang Zhang (Louis 
Sautier) in branch 'master':
bpo-34434: Update doc for bool(), float() and int() arguments (GH-8834)
https://github.com/python/cpython/commit/3fe89dac42809a7741d50ebf595be98833b79b97


--
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[issue34410] itertools.tee not thread-safe; can segfault interpreter when wrapped iterator releases GIL

2018-08-27 Thread Xiang Zhang


Xiang Zhang  added the comment:

I could. But currently I don't have a good idea how to fix it elegantly. If 
anyone else makes a PR, I'm willing to review it.

--
stage:  -> needs patch
versions: +Python 3.8

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[issue34503] Reference leak in PyErr_SetObject()

2018-08-26 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34503] Reference leak in PyErr_SetObject()

2018-08-26 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset a2eefa67542c25617a58c03a27c17fd48e2a0856 by Xiang Zhang (Alexey 
Izbyshev) in branch 'master':
bpo-34503: Fix refleak in PyErr_SetObject() (GH-8934)
https://github.com/python/cpython/commit/a2eefa67542c25617a58c03a27c17fd48e2a0856


--
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[issue23325] Turn SIG_DFL and SIG_IGN into functions

2018-08-25 Thread Xiang Zhang


Xiang Zhang  added the comment:

I miss that. So this change seems to be user transparent and make more sense 
then.

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[issue23325] Turn SIG_DFL and SIG_IGN into functions

2018-08-25 Thread Xiang Zhang


Xiang Zhang  added the comment:

I'm afraid this could break old codes so not sure it's worth or not. I've seen 
code like `SIGTERM = 15; signal.signal(SIGTERM, handler)`. I won't be surprised 
to see a handcraft SIG_DFL/IGN.

--
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versions: +Python 3.8 -Python 3.5

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[issue34497] Remove needless set operator restriction

2018-08-25 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue34465] ipaddress should accept bytearray in addition to bytes

2018-08-25 Thread Xiang Zhang


Xiang Zhang  added the comment:

Why not just bytes(buf[:4]) before passing?

--
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[issue34334] QueueHandler logs exc_info twice

2018-08-25 Thread Xiang Zhang


Change by Xiang Zhang :


--
nosy: +vinay.sajip

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[issue34355] SIGSEGV (Address boundary error)

2018-08-25 Thread Xiang Zhang


Xiang Zhang  added the comment:

So this is a dupliate of #34087 and we can close it?

--
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[issue34486] "RuntimeError: release unlocked lock" when starting a thread

2018-08-25 Thread Xiang Zhang


Change by Xiang Zhang :


--
nosy: +vstinner, xiang.zhang

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[issue34491] _bsddb.c: Missing Py_DECREF() in DB_join()

2018-08-24 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34491] _bsddb.c: Missing Py_DECREF() in DB_join()

2018-08-24 Thread Xiang Zhang


New submission from Xiang Zhang :


New changeset 032e85f3fb6d2e6668d4e860b40525ed6cb8dd69 by Xiang Zhang (Zackery 
Spytz) in branch '2.7':
bpo-34491: Add missing Py_DECREF() in _bsddb's DB_join() (GH-8909)
https://github.com/python/cpython/commit/032e85f3fb6d2e6668d4e860b40525ed6cb8dd69


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[issue34410] Segfault/TimeoutError: itertools.tee of multiprocessing.pool.imap_unordered

2018-08-21 Thread Xiang Zhang


Xiang Zhang  added the comment:

Ahh, the infinite iterator could also releases GIL in `PyIter_Next`.

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[issue34410] Segfault/TimeoutError: itertools.tee of multiprocessing.pool.imap_unordered

2018-08-20 Thread Xiang Zhang


Xiang Zhang  added the comment:

It seems to me the problem is tee objects might encounter race conditions while 
 `PyIter_Next` in `teedataobject_getitem` releases GIL. Other threads then 
might get into the same branch since `tdo->numread` haven't been updated yet. 
NULL slots are generated then, 2 objects are read from the underlying iterator 
and `tdo->numread` is updated twice while only one slot is set.

As for multiprocessing.pool, there is a background task handling thread 
consuming one tee object and main thread consuming another one. The underlying 
iterator is `IMapIterator` which `next` method would block on a condition.

While trying, I find the following snippet would also crash:

import threading
import itertools

class C:
def __iter__(self):
return self
def __next__(self):
return 1

def test(i):
print(list(i))

i1, i2 = itertools.tee(C())
threading.Thread(target=test, args=(i1,)).start()
print(list(i2))

GDB shows it crashs in `teedataobject_dealloc` -> `teedataobject_clear`. I 
haven't understood what happened.

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[issue30411] git doesn't support "-C" args under 1.8.5 occurs in configure.ac

2018-08-20 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue30411] git doesn't support "-C" args under 1.8.5 occurs in configure.ac

2018-08-20 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 95f9e14e33b713f35f5368acf7be56750bbdb5a8 by Xiang Zhang in branch 
'2.7':
[2.7] bpo-30411: Use --git-dir instead of -C to make git work under version 
below 1.8.5. (GH-8744) (GH-8838)
https://github.com/python/cpython/commit/95f9e14e33b713f35f5368acf7be56750bbdb5a8


--

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[issue30411] git doesn't support "-C" args under 1.8.5 occurs in configure.ac

2018-08-20 Thread Xiang Zhang


Change by Xiang Zhang :


--
pull_requests: +8313

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[issue30411] git doesn't support "-C" args under 1.8.5 occurs in configure.ac

2018-08-20 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 4c8555773a801f957297132a92c0acb382d640e4 by Xiang Zhang in branch 
'master':
bpo-30411: Use --git-dir instead of -C to make git work under version below 
1.8.5. (GH-8744)
https://github.com/python/cpython/commit/4c8555773a801f957297132a92c0acb382d640e4


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[issue34410] Segfault/TimeoutError: itertools.tee of multiprocessing.pool.imap_unordered

2018-08-20 Thread Xiang Zhang


Change by Xiang Zhang :


--
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[issue30717] Add unicode grapheme cluster break algorithm

2018-08-19 Thread Xiang Zhang


Change by Xiang Zhang :


--
nosy: +xiang.zhang

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[issue30411] git doesn't support "-C" args under 1.8.5 occurs in configure.ac

2018-08-12 Thread Xiang Zhang


Change by Xiang Zhang :


--
keywords: +patch
pull_requests: +8227
stage:  -> patch review

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[issue34151] use malloc() for better performance of some list operations

2018-08-11 Thread Xiang Zhang


Change by Xiang Zhang :


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

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[issue34151] use malloc() for better performance of some list operations

2018-08-11 Thread Xiang Zhang


Xiang Zhang  added the comment:


New changeset 2fc46979b8c802675ca7fd51c6f2108a305001c8 by Xiang Zhang (Sergey 
Fedoseev) in branch 'master':
bpo-34151: Improve performance of some list operations (GH-8332)
https://github.com/python/cpython/commit/2fc46979b8c802675ca7fd51c6f2108a305001c8


--
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[issue34310] Build error with option "--with-pydebug" on Mac OS 10.13.6

2018-08-05 Thread Xiang Zhang


Change by Xiang Zhang :


--
resolution: rejected -> not a bug

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[issue34310] Build error with option "--with-pydebug" on Mac OS 10.13.6

2018-08-05 Thread Xiang Zhang


Xiang Zhang  added the comment:

I could not find the specific commit you mentioned on master branch. Maybe you 
are on a customized branch(what is master-dirty)?

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[issue34134] multiprocessing memory huge usage

2018-07-18 Thread Xiang Zhang


Xiang Zhang  added the comment:

I'm +1 for INADA's change, but not more examples trying to distinguish every 
detail difference.

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[issue34134] multiprocessing memory huge usage

2018-07-17 Thread Xiang Zhang


Xiang Zhang  added the comment:

Why accessing the result outside of with block? The pool is terminated while 
exiting the block before the work is done.

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[issue34140] Possible multiprocessing deadlock when placing too many objects in Queue()

2018-07-17 Thread Xiang Zhang


Change by Xiang Zhang :


--
nosy: +davin, pitrou, xiang.zhang

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[issue34134] multiprocessing memory huge usage

2018-07-17 Thread Xiang Zhang


Xiang Zhang  added the comment:

One thing worth a try here maybe turn `len` to `operator.length_hint`. But I am 
not sure it's a good idea and just a mention here.

--
nosy: +xiang.zhang
versions:  -Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7

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[issue34132] Obscure netrc parser "bug"

2018-07-16 Thread Xiang Zhang


Change by Xiang Zhang :


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nosy: +xiang.zhang

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[issue34084] possible free statically allocated string in compiler when easter egg on

2018-07-10 Thread Xiang Zhang


Change by Xiang Zhang :


--
nosy: +vstinner

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[issue34084] possible free statically allocated string in compiler when easter egg on

2018-07-10 Thread Xiang Zhang


Change by Xiang Zhang :


--
title: possible free statically allocated string -> possible free statically 
allocated string in compiler when easter egg on

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[issue34084] possible free statically allocated string

2018-07-10 Thread Xiang Zhang


New submission from Xiang Zhang :

While reviewing PR8222, I found `err_ret->text` is assigned a not malloced 
string, but it will finally get freed in `err_input`.

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keywords: easy
messages: 321381
nosy: serhiy.storchaka, xiang.zhang
priority: normal
severity: normal
status: open
title: possible free statically allocated string
versions: Python 3.6, Python 3.7, Python 3.8

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[issue30256] Adding a SyncManager Queue proxy to a SyncManager dict or Namespace proxy raises an exception

2018-07-02 Thread Xiang Zhang


Change by Xiang Zhang :


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nosy: +davin, pitrou, xiang.zhang

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[issue33978] logging.config.dictConfig with file handler leaks resources

2018-06-29 Thread Xiang Zhang


Change by Xiang Zhang :


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nosy: +vinay.sajip

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[issue33932] Calling Py_Initialize() twice now triggers a fatal error (Python 3.7)

2018-06-22 Thread Xiang Zhang


Xiang Zhang  added the comment:

> Note: the doc doesn't say that the function must only be called once, nor 
> document the (current) new Python 3.7 restriction (must only be called once):

But the doc says:

  This is a no-op when called for a second time (without calling 
Py_FinalizeEx() first).

no-op means it could be called twice?

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nosy: +xiang.zhang

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[issue33936] OPENSSL_VERSION_1_1 never defined in _hashopenssl.c

2018-06-22 Thread Xiang Zhang


Change by Xiang Zhang :


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nosy: +christian.heimes

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[issue33742] Unsafe memory access in PyStructSequence_InitType

2018-06-20 Thread Xiang Zhang


Change by Xiang Zhang :


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resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue33891] ntpath join doesnt check whether path variable None or not

2018-06-20 Thread Xiang Zhang


Xiang Zhang  added the comment:

This is not a bug in ntpath. Raising a TypeError is a normal behavior when 
passed a wrong argument and I think the error message tells good info. You 
should figure out why pipenv passes a None to os.path.join.

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nosy: +xiang.zhang
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed
type: crash -> 

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