Hi Antoine,
On Mon, Apr 9, 2012 at 12:06 AM, Antoine Pitrou solip...@pitrou.net wrote:
Hello Paul,
Thanks for the PEP and the description of the various issues.
An example implementation of a SIGINT handler that interrupts safely
might look like::
import inspect, sys, functools
Hi Benjamin,
On Mon, Apr 9, 2012 at 12:42 AM, Benjamin Peterson benja...@python.org wrote:
2012/4/8 Paul Colomiets p...@colomiets.name:
Function 'sys.setcleanuphook'
-
A new function for the ``sys`` module is proposed. This function sets
a callback which is
The frame object is a key object in CPython. It holds the state
of a function invocation. Frame objects are allocated, initialised
and deallocated at a rapid rate.
Each extra field in the frame object requires extra work for each
and every function invocation. Fewer fields in the frame object
Do you want to create `frame` and `f_namespaces` every function call
instead of single `frame` creation?
On Mon, Apr 9, 2012 at 11:56 AM, Mark Shannon m...@hotpy.org wrote:
The frame object is a key object in CPython. It holds the state
of a function invocation. Frame objects are allocated,
Andrew Svetlov wrote:
Do you want to create `frame` and `f_namespaces` every function call
instead of single `frame` creation?
f_namespaces would be part of the frame, replacing f_builtins, f_globals
and f_locals. The indirection of an external object hurts performance,
so it would have to be
2012/4/9 Guido van Rossum gu...@python.org:
You may need two clocks
for this:
* time.perf_counter(): high-resolution timer for benchmarking, count
time elasped during a sleep
* time.process_time(): High-resolution (?) per-process timer from the
CPU. (other possible names:
| * time.process_time(): High-resolution (?) per-process timer from the
| CPU. (other possible names: time.process_cpu_time() or
| time.cpu_time())
POSIX offers CLOCK_PROCESS_CPUTIME_ID and CLOCK_THREAD_CPUTIME_ID that
seem to suit this need, depending on your threading situation (and what
Mark Shannon wrote:
We have recently removed the f_yieldfrom field from the frame object.
(http://bugs.python.org/issue14230)
Hey, wait a minute. Did anyone consider the performance effect
of that change on deeply nested yield-froms?
The way it was, a yield-from chain was traversed by a very
2012/4/9 Greg Ewing greg.ew...@canterbury.ac.nz:
Mark Shannon wrote:
We have recently removed the f_yieldfrom field from the frame object.
(http://bugs.python.org/issue14230)
Hey, wait a minute. Did anyone consider the performance effect
of that change on deeply nested yield-froms?
The
So it's really no difference between three separate fields in frame
and embedded struct with those fields.
On Mon, Apr 9, 2012 at 1:51 PM, Mark Shannon m...@hotpy.org wrote:
Andrew Svetlov wrote:
Do you want to create `frame` and `f_namespaces` every function call
instead of single `frame`
On Tue, 10 Apr 2012 00:24:07 +1200
Greg Ewing greg.ew...@canterbury.ac.nz wrote:
Mark Shannon wrote:
We have recently removed the f_yieldfrom field from the frame object.
(http://bugs.python.org/issue14230)
Hey, wait a minute. Did anyone consider the performance effect
of that change on
While I agree with keeping data structures simple and clean I think
conserving them forever is bad idea in general.
Let's look on every particular case before making decision.
On Mon, Apr 9, 2012 at 3:46 PM, Andrew Svetlov andrew.svet...@gmail.com wrote:
So it's really no difference between
On Mon, Apr 9, 2012 at 5:46 AM, Antoine Pitrou solip...@pitrou.net wrote:
On Tue, 10 Apr 2012 00:24:07 +1200
Greg Ewing greg.ew...@canterbury.ac.nz wrote:
Mark Shannon wrote:
We have recently removed the f_yieldfrom field from the frame object.
(http://bugs.python.org/issue14230)
Hey,
On Mon, Apr 9, 2012 at 3:51 AM, Mark Shannon m...@hotpy.org wrote:
f_namespaces would be part of the frame, replacing f_builtins, f_globals
and f_locals. The indirection of an external object hurts performance,
so it would have to be a struct within the frame. The aim is clarity;
locals,
Guido van Rossum wrote:
On Mon, Apr 9, 2012 at 3:51 AM, Mark Shannon m...@hotpy.org wrote:
f_namespaces would be part of the frame, replacing f_builtins, f_globals
and f_locals. The indirection of an external object hurts performance,
so it would have to be a struct within the frame. The aim is
The point I really wanted to make is that many of the fields in the
frame object belong elsewhere and adding new fields to the frame object
is generally a bad idea.
I disagree with that statement, and don't think you have offered sufficient
proof of it. The structure may look irregular to you,
On Mon, Apr 9, 2012 at 8:17 AM, Mark Shannon m...@hotpy.org wrote:
Guido van Rossum wrote:
On Mon, Apr 9, 2012 at 3:51 AM, Mark Shannon m...@hotpy.org wrote:
f_namespaces would be part of the frame, replacing f_builtins, f_globals
and f_locals. The indirection of an external object hurts
On 4/9/2012 9:13 AM, r.david.murray wrote:
http://hg.python.org/cpython/rev/eff551437abd
changeset: 76176:eff551437abd
user:R David Murrayrdmur...@bitdance.com
date:Mon Apr 09 08:55:42 2012 -0400
summary:
#14533: if a test has no test_main, use loadTestsFromModule.
This
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On Apr 10, 2012 2:36 AM, Terry Reedy tjre...@udel.edu wrote:
On 4/9/2012 9:13 AM, r.david.murray wrote:
http://hg.python.org/cpython/rev/eff551437abd
changeset: 76176:eff551437abd
user:R David Murrayrdmur...@bitdance.com
date:Mon Apr 09 08:55:42 2012 -0400
summary:
Some comments...
On 4/9/2012 11:09 AM, antoine.pitrou wrote:
http://hg.python.org/cpython/rev/704630a9c5d5
changeset: 76179:704630a9c5d5
user:Antoine Pitrousolip...@pitrou.net
date:Mon Apr 09 17:03:32 2012 +0200
summary:
Issue #13165: stringbench is now available in the
On Mon, 09 Apr 2012 13:34:25 -0400, Terry Reedy tjre...@udel.edu wrote:
On 4/9/2012 9:13 AM, r.david.murray wrote:
http://hg.python.org/cpython/rev/eff551437abd
changeset: 76176:eff551437abd
user:R David Murrayrdmur...@bitdance.com
date:Mon Apr 09 08:55:42 2012 -0400
Can someone let me in on the process to upgrade tcl and tk on
svn.python.org? For the VS2010 port it looks like I need to upgrade
since the 8.5.9 versions do not work. They use link options that choke
on 2010. Taking 8.5.11, which is the current release, seems to work
out alright so far.
It seems
On Mon, 09 Apr 2012 14:54:03 -0400
Terry Reedy tjre...@udel.edu wrote:
diff --git a/Tools/stringbench/stringbench.py
b/Tools/stringbench/stringbench.py
new file mode 100755
--- /dev/null
+++ b/Tools/stringbench/stringbench.py
@@ -0,0 +1,1483 @@
+
Did you mean to start with a
I remember that one of the concerns with cdecimal was whether it could
be maintained by anyone except Stefan (and a few people who were
already overcommitted).
If anyone (including absolute newbies) wants to step up, now would be
a good time to get involved.
A few starter questions, whose answer
Zitat von Brian Curtin br...@python.org:
Can someone let me in on the process to upgrade tcl and tk on
svn.python.org? For the VS2010 port it looks like I need to upgrade
since the 8.5.9 versions do not work. They use link options that choke
on 2010. Taking 8.5.11, which is the current
Jim Jewett jimjjew...@gmail.com wrote:
Why is there any need for MPD_MINALLOC at all for (immutable) numbers?
I suspect that will involve fleshing out some of the memory management
issues around dynamic decimals, as touched on here:
On 09Apr2012 13:26, Victor Stinner victor.stin...@gmail.com wrote:
| | On Windows, GetProcessTimes() has not a high-resolution: it has a
| | accuracy of 1 ms in the best case.
|
| This page:
|
http://msdn.microsoft.com/en-us/library/windows/desktop/ms683223%28v=vs.85%29.aspx
| says
sleep() is implemented in the kernel. The kernel is notified when a
clock is set, and so can choose how to handle time adjustement. Most
sleeping functions use the system clock but don't care of clock
adjustement.
We're going around in circles. I'm not asking what sleep does, I want
on
On 4/9/2012 3:57 PM, R. David Murray wrote:
On Mon, 09 Apr 2012 13:34:25 -0400, Terry Reedytjre...@udel.edu wrote:
Should t.unittest.main(t.__name__) work as well?
That will work.
t.unittest.main(t) will also work and is less typing.
Good. The only doc for the parameter is
On Sat, Apr 7, 2012 at 4:56 PM, Glyph Lefkowitz gl...@twistedmatrix.comwrote:
On Apr 7, 2012, at 3:40 AM, Steven D'Aprano wrote:
In any case, NTP is not the only thing that adjusts the clock, e.g. the
operating system will adjust the time for daylight savings.
Daylight savings time is not
On 4/9/2012 5:49 PM, mar...@v.loewis.de wrote:
Zitat von Brian Curtin br...@python.org:
Can someone let me in on the process to upgrade tcl and tk on
svn.python.org? For the VS2010 port it looks like I need to upgrade
since the 8.5.9 versions do not work. They use link options that choke
on
Is it still? I thought they fixed that ages ago?
On Mon, Apr 9, 2012 at 4:42 PM, Gregory P. Smith g...@krypto.org wrote:
On Sat, Apr 7, 2012 at 4:56 PM, Glyph Lefkowitz gl...@twistedmatrix.com
wrote:
On Apr 7, 2012, at 3:40 AM, Steven D'Aprano wrote:
In any case, NTP is not the only thing
On Mon, Apr 9, 2012 at 18:41, Terry Reedy tjre...@udel.edu wrote:
In particular, it should include a recent fix so that French keyboards work
with tk/tkinter and hence Idle better than now. There has been more than one
complaint about this.
Do you know when this was fixed or have any
On Mon, Apr 9, 2012 at 4:46 PM, Guido van Rossum gu...@python.org wrote:
Is it still? I thought they fixed that ages ago?
sadly, no. http://www.cl.cam.ac.uk/~mgk25/mswish/ut-rtc.html
On Mon, Apr 9, 2012 at 4:42 PM, Gregory P. Smith g...@krypto.org wrote:
On Sat, Apr 7, 2012 at 4:56 PM,
On 4/9/2012 7:53 PM, Brian Curtin wrote:
On Mon, Apr 9, 2012 at 18:41, Terry Reedytjre...@udel.edu wrote:
In particular, it should include a recent fix so that French keyboards work
with tk/tkinter and hence Idle better than now. There has been more than one
complaint about this.
Do you know
On Mon, Apr 9, 2012 at 20:53, Terry Reedy tjre...@udel.edu wrote:
On 4/9/2012 7:53 PM, Brian Curtin wrote:
On Mon, Apr 9, 2012 at 18:41, Terry Reedytjre...@udel.edu wrote:
In particular, it should include a recent fix so that French keyboards
work
with tk/tkinter and hence Idle better than
In article
cad+xwwqqebh9abeggevjuboaspbv++yq3dtmfuadre6a3-5...@mail.gmail.com,
Brian Curtin br...@python.org wrote:
On Mon, Apr 9, 2012 at 20:53, Terry Reedy tjre...@udel.edu wrote:
On 4/9/2012 7:53 PM, Brian Curtin wrote:
On Mon, Apr 9, 2012 at 18:41, Terry Reedytjre...@udel.edu wrote:
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