New submission from Daniel Colascione :
The ensurepip module in the Python distribution bootstraps the pip package
manager. The Python build system runs this module during installation so that
the resulting Python installation is ready to install packages. Right now, the
pip command
New submission from Daniel Colascione <dan...@dancol.org>:
multiprocessing's freeze_support makes freshly-launched subprocesses integrate
correctly until the multiprocessing ecosystem even when the main executable is
some application binary instead of a Python interpreter. The documen
Daniel Colascione <dan...@google.com> added the comment:
On Sun, Oct 1, 2017 at 2:01 PM, Antoine Pitrou <rep...@bugs.python.org>
wrote:
> Perhaps other core developers will disagree with me and agree to include
> (i.e. review, maintain) this functionality. I simpl
Daniel Colascione <dan...@google.com> added the comment:
On Sun, Oct 1, 2017 at 2:01 PM, Antoine Pitrou <rep...@bugs.python.org>
wrote:
>
> Antoine Pitrou <pit...@free.fr> added the comment:
>
> Le 01/10/2017 à 21:51, Daniel Colascione a écrit :
> >
&g
Daniel Colascione <dan...@google.com> added the comment:
On Sun, Oct 1, 2017 at 11:12 AM, Antoine Pitrou <rep...@bugs.python.org>
wrote:
>
> Antoine Pitrou <pit...@free.fr> added the comment:
>
> Le 01/10/2017 à 20:04, Daniel Colascione a écrit :
> >
>
Daniel Colascione <dan...@google.com> added the comment:
On Sun, Oct 1, 2017 at 11:14 AM, Antoine Pitrou <rep...@bugs.python.org>
wrote:
>
> Antoine Pitrou <pit...@free.fr> added the comment:
>
> Note that if there is already a C API to perform atomic ops, you can
Daniel Colascione <dan...@google.com> added the comment:
On Oct 1, 2017 10:46 AM, "Antoine Pitrou" <rep...@bugs.python.org> wrote:
Antoine Pitrou <pit...@free.fr> added the comment:
While the use case is reasonable (if specialized),
It's not that specialized. Y
Daniel Colascione <dan...@google.com> added the comment:
On Oct 1, 2017 10:19 AM, "Raymond Hettinger" <rep...@bugs.python.org> wrote:
Raymond Hettinger <raymond.hettin...@gmail.com> added the comment:
> Compare-and-exchange is sufficient for avoiding the GI
New submission from Daniel Colascione <dan...@google.com>:
Say we're using multiprocessing to share a counter between two processes and we
want to atomically increment that counter. Right now, we need to protect that
counter with a multiprocessing semaphore of some sort, then 1) a
New submission from Daniel Colascione <dan...@google.com>:
Right now, the main loop in semlock_acquire looks like this:
do {
Py_BEGIN_ALLOW_THREADS
if (blocking && timeout_obj == Py_None)
res = sem_wait(self->handle);
else if (!blocking
New submission from Daniel Colascione:
Suppose we're running a Python program in an environment where PATH contains a
directory that contains msvcr90.dll version A and that python27.exe is
manifested to use msvcr90.dll version B, which is available in the SxS store
but not on PATH.
Normally
New submission from Daniel Colascione [EMAIL PROTECTED]:
Consider:
import dis
def foo():
if 0 and 1: return hi
dis.dis(foo)
What I get is
2 0 LOAD_CONST 1 (0)
3 JUMP_IF_FALSE 15 (to 21)
6 POP_TOP
7
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