New submission from Dave Malcolm :
Attempting to compile Python 3 extension modules on GCC with
"-Wmissing-field-initializers" enabled leads to warnings from the
PyModuleDef_HEAD_INIT macro
Seen attempting to build SELinux python bindings against python 3.1 with "-W
-W
Changes by Dave Malcolm :
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title: PyModuleDef_HEAD_INIT does not explicitly initial all fields of m_base
-> PyModuleDef_HEAD_INIT does not explicitly initialize all fields of m_base
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New submission from Dave Malcolm:
When running my refcount static analyzer [1] on a large corpus of real-world C
extension code for Python, I ran into the following construct in various places:
Py_XDECREF(PyObject_CallObject(callable, args));
This is bogus code: Py_XDECREF expands its
New submission from Dave Malcolm:
Within multiprocessing.connection, deliver_challenge() and
answer_challenge() use hmac for a challenge/response.
hmac implicitly defaults to using MD5.
MD5 should no longer be used for security purposes. See e.g.
http://www.kb.cert.org/vuls/id/836068
This
Dave Malcolm added the comment:
For reference, quoting PEP 3149:
>>> sysconfig.get_config_var('SO')
'.cpython-32mu.so'
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nosy: +dmalcolm
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New submission from Dave Malcolm:
Does the devguide document the benchmarking suite anywhere? I can't see it
anywhere in the index on http://docs.python.org/devguide/ and google doesn't
seem to show anything.
suggested content:
* how to run the benchmarks for a Python 2 impl
New submission from Dave Malcolm:
It appears that gcc's -Wformat warning changed from being on by default in gcc
4.7 and earlier to being off by default in gcc 4.8, needing to be enabled with
-Wformat (or -Wall), if I'm reading:
http://gcc.gnu.org/viewcvs/gcc?view=revision&r
Dave Malcolm added the comment:
I didn't know that gdb supported embedding Python 3. Is this a set of patches
you're applying downstream, or an official gdb feature?
If so, it means everyone coding to the gdb API needs to somehow make their
FOO-gdb.py files be Python 3-
Dave Malcolm added the comment:
Thanks. Does upstream gdb have a plan dcoumented somewhere for how to deal
with all of the FOO-gdb.py files. Are they expected to be coded to the common
Python 2/3 subset?
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<h
Dave Malcolm added the comment:
On Sat, 2013-04-20 at 21:25 +, Ned Deily wrote:
> Ned Deily added the comment:
>
> Dave, any reason this shouldn't go into the imminent 2.7.5 and 3.3.2 releases?
I was trying to think of one; the only reason I can think of is if there
are any
Dave Malcolm added the comment:
BTW, is that GCC format checking code available anywhere?
Am I right in thinking that it was an out-of-tree patch to GCC, from the
pre-plugin days?
[My cpychecker code adds some similar checking, but it doesn't use this
attr
Dave Malcolm added the comment:
On Wed, 2013-04-24 at 10:48 +, Alex Leach wrote:
> Alex Leach added the comment:
>
> I don't think I can tell you anything you don't know already, but ...
>
> On Tue, 23 Apr 2013 19:38:18 +0100, Dave Malcolm
> wrote:
&g
Dave Malcolm added the comment:
Is this an optimized or a debug build? (aka --with-pydebug)
What are the optimization flags passed to the C compiler?
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nosy: +dmalcolm
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Dave Malcolm added the comment:
Thanks. I can't see from that output what's going wrong.
Can you apply the following patch, which (I hope) will print more detailed info
where the failure happens.
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keywords: +patch
Added file: http://bugs.python.org/file30005
Dave Malcolm added the comment:
Looking at test_gdb.out, the issue is that the threads waiting for the GIL have
e.g. this at the top of their backtrace:
Thread 2 (Thread 0x3fffb14af200 (LWP 37119)):
#0 0x008075181ea8 in __pthread_cond_timedwait (cond=0x103ea140 ,
mutex=0x103ea170
Dave Malcolm added the comment:
Can you try this candidate fix?
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Added file: http://bugs.python.org/file30007/possible-fix.patch
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<http://bugs.python.org/issue17
Changes by Dave Malcolm :
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resolution: -> fixed
stage: commit review -> committed/rejected
status: open -> closed
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