On 9/5/2011 5:32 PM, Jon Redgrave wrote:
Am I missing something obvious?
ls | python -c "for line in __import__('sys').stdin: print (line.upper())"
Ah, so I am missing something - it is possible - but 'obvious'?
Do people think it should be more accessible
__import__ is well-documented and
On 9/5/2011 7:18 PM, Steven D'Aprano wrote:
Terry Reedy wrote:
The doc says "-c
Execute the Python code in command. command can be one or more
statements separated by newlines,"
However, I have no idea how to put newlines into a command-line string.
I imagine that it depen
On 9/6/2011 3:18 AM, Pierre Quentel wrote:
I am wondering why relative seeks fail on string IO in Python 3.2
Good question.
from io import StringIO
txt = StringIO('Favourite Worst Nightmare')
txt.seek(8) # no problem with absolute seek
Please post code without non-code inden
On 9/7/2011 12:51 AM, Steven D'Aprano wrote:
So given a float x, when you square it you get this:
Exact values: a*a = a**2
Float values: x*x = (a+e)(a+e)
= a**2 + 2*a*e + e**2
So the error term has increased from e to (2*a*e+e**2). It is usual to
assume that e**2 is small e
On 9/7/2011 8:23 PM, Cameron Simpson wrote:
On 07Sep2011 16:22, Laurent wrote:
| I totally understand the performance issue that an hypothetical
| "istail" would bring, even if I think it would just be the programmer's
| responsibility not to use it when it's not certain that an end can
| be det
On 2/24/2011 8:11 AM, Frank Millman wrote:
future I will run some tests when betas are released, just in case I
come up with something.
Please do, perhaps more than once. The test suite coverage is being
improved but is not 100%. The day *after* 3.2.0 was released, someone
reported an unplea
On 2/24/2011 7:19 AM, n00m wrote:
file my.txt:
===
0 beb
1 qwe
2 asd
3 hyu
4 zed
5 asd
6 oth
=
py script:
===
import sys
sys.stdin = open('88.txt', 'r')
t = sys.stdin.readlines()
t = map(lambda rec: rec.split()
On 2/24/2011 11:19 AM, s...@uce.gov wrote:
Is there a better way to convert int to bytes then going through strings:
x=5
str(x).encode()
(This being Py3)
If 0 <= x <= 9, bytes((ord('0')+n,)) will work. Otherwise, no. You would
have to do the same thing str(int) does, which is to reverse the
On 2/24/2011 9:25 PM, John Machin wrote:
On Feb 25, 4:39 am, Terry Reedy wrote:
Note: an as yet undocumented feature of bytes (at least in Py3) is that
bytes(count) == bytes()*count == b'\x00'*count.
Python 3.1.3 docs for bytes() say same constructor args as for
bytearray(); this
On 2/26/2011 11:32 AM, Benjamin Kaplan wrote:
On Sat, Feb 26, 2011 at 8:11 AM, Jason Swails wrote:
Hello,
I have a question I was having a difficult time finding with a quick google
search, so I figured someone on here might know. For the sake of backwards
compatibility (and supporting system
On 2/26/2011 2:36 PM, pipehappy wrote:
To answer your questions, as I understand them.
1. Print was not removed, just changed to a function:
a. gets rid of special-case hackish syntax like >> and trailing comma by
using keyword args instead, becoming more flexible as a result;
b. function can
On 2/28/2011 10:21 AM, Grant Edwards wrote:
As somebody else has already said, if the site provides an API that
they want you to use you should do so rather than hammering their web
server with a screen-scraper.
If there any generic method for finding out 'if the site provides an
API" and spe
On 2/28/2011 10:54 AM, Robi wrote:
Hi everybody,
I'm totally new to Python but well motivated :-)
I'm fooling around with Python in order to interface with FlightGear
using a telnet connection.
Given that FlightGear is a graphical flight simulator
http://www.flightgear.org/
https://secure.wi
On 2/28/2011 3:46 PM, Robi wrote:
unless using it just to get/set configuration,
in which case, speed should hardly seem an issue.
Right, I'm using it that way, I get/set properties changing them in
real time (I whish!).
...
My conclusion being, fgfs cannot answer back quicker than this: 20H
On 2/28/2011 3:51 PM, Ethan Furman wrote:
Python 3.1.2 (r312:79149, Mar 21 2010, 00:41:52) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
--> import base64
--> base64.encodestring(b'this is a test')
__main__:1: DeprecationWarning: encod
On 3/3/2011 10:39 AM, Jean-Paul Calderone wrote:
C and C++ have standards, and the standards describe what they don't
define.
Python has implementations.
Python also has standards, the language and library manuals.
The defined behavior is whatever the implementation does.
No, the defined
On 3/3/2011 11:39 AM, Markus Schaber wrote:
Hi,
We want to include IronPython in one of our products, including the pure
Python part of the python standard library. It seems that the IronPython
installer packagers simply copied the pure python part of the standard
library (the directory tree of
On 3/5/2011 1:21 PM, tkp...@hotmail.com wrote:
Thanks for the pointer. Yes, it is a text file, but the mystery runs
deeper: I later found that it works perfectly as written when I run it
from IDLE or the Python shell, but it fails reliably when I run it
from PyScripter 2.4.1 (an open source Pytho
On 3/6/2011 6:42 AM, Martin v. Loewis wrote:
> Am 06.03.2011 12:18, schrieb Alex Willmer:
>> On the English version of http://python.org I'm seeing 下载 as a menu
>> item between Download and Community. AFAICT it's Simplified Chinese
>> for 'download'. Is it's appearance intentional, or a leak throug
On 3/6/2011 4:55 PM, Nicholas Devenish wrote:
On 04/03/2011 16:40, nn wrote:
As far as I know, that is pretty much it. Also see:
http://bugs.python.org/issue3982
That is a depressing bug report, and really comes across as people who
don't use networking commenting on the requirements of peopl
On 3/7/2011 6:24 AM, southof40 wrote:
Hi - I've got some code which uses array (http://docs.python.org/
library/array.html) to store charcters read from a file (it's not my
code it comes from here http://sourceforge.net/projects/pygold/)
The read is done, in GrammarReader.py, like this ...
On 3/7/2011 4:50 AM, Bob Fnord wrote:
I want a portable data file (can be moved around the filesystem
or copied to another machine and used),
Used only by Python or by other software?
Would a database in a file have any advantages over a file made
by marshal or shelve?
If you have read the
On 3/7/2011 11:43 AM, Victor Paraschiv wrote:
Hi and please help me understand if it is a bug, or..,as someone said,
there's a 'bug' in my understanding:
(Python 3.2 (r32:88445, Feb 20 2011, 21:29:02) [MSC v.1500 32 bit
(Intel)] on win32) (windows vista, the regular windows python installer)
It's
On 3/7/2011 12:49 PM, Mathew Coyle wrote:
Everything seems to roll along fine, a few tweaks are still needed, but
an issue I cannot resolve has come up. It seems that the checklist items
are being selected and added twice to the list, once for a mouse button
click, and again for a mouse button r
On 3/7/2011 1:26 PM, Ian wrote:
On 06/03/2011 13:56, Victor Subervi wrote:
gmail, for whatever reason, filters out emails send to the same
address from which they are sent.
Its possibly a protection against circular forwarding.
Or spam. Many spam messages sent to me have me as sender.
--
Ter
On 3/7/2011 1:12 PM, Victor Paraschiv wrote:
Well, thank you all for being honest ☺
What I conclude is that you, the programmers, don’t really care about
those who are new to programming:
Whereas you exhibit your care for humanity by casually slandering those
who offer you a gift. Grow up. Se
On 3/7/2011 1:59 PM, Jon Herman wrote:
And for the sake of completeness, the derivative function I am calling
from my integrator (this is the 3 body problem in astrodynamics):
def F(mu, X, ti):
r1= pow((pow(X[0]+mu,2)+pow(X[1],2)+pow(X[2],2)),0.5)
x0 = X[0]; x1 = X[1]; x2 = X[2]
On 3/8/2011 4:06 AM, bruce bushby wrote:
Hi
I've been playing with running python on embedded linux. I thought I
would run some "straces" to see how the install went when I noticed
python attempts to "open"
loads of files that don't exist.is there a way to prevent these
"open" attemptsth
On 3/8/2011 2:00 PM, Matt Chaput wrote:
On 08/03/2011 8:58 AM, Cross wrote:
I know meta tags contain keywords but they are not always reliable. I
can parse xhtml to obtain keywords from meta tags; but how do I verify
them. To obtain reliable keywords, I have to parse the plain text
obtained from
On 3/8/2011 4:39 PM, Larry Hastings wrote:
I'm doing a talk at PyCon about changes to the Python language. I'm
wondering: are there any Python language changes that first shipped in
an implementation of Python besides CPython?
The sort of answer I'm looking for: "set literals first shipped in
J
On 3/8/2011 4:39 PM, Larry Hastings wrote:
Adding to my previous response, extended slices and ellipses were added
for numerical python, but that is cpython extension, not alternative.
The 3.x memoryview came from there too, I believe.
--
Terry Jan Reedy
--
http://mail.python.org/mailman/list
On 3/10/2011 12:47 AM, Sunjay Varma wrote:
For some reason, sub-classing and overwriting a built-in type does not
change the behavior of the literal. Logically speaking, overwriting a
name, such as str, should delete the basic str type, and replace it
with the new class or object put in its place
On 3/10/2011 11:23 AM, Gerald Britton wrote:
Today I noticed that an expression like this:
"one:%(one)s two:%(two)s" % {"one": "is the loneliest number", "two":
"can be as bad as one"}
could be evaluated at compile time, but is not:
In fact, it could be evaluated at writing time ;-).
This wou
On 3/10/2011 5:51 PM, Patty wrote:
Thanks so much for this reference - and the detailed further
explanation! I have a Windows 7 system and recently installed Visual
Studio 2010 for the SQL Server, Visual C/C++ and Visual Basic. I would
love to have this Python tool installed under Visual Studio
On 3/10/2011 8:58 PM, n00m wrote:
http://docs.python.org/py3k/whatsnew/3.0.html
What's the fuss abt it? Imo all is ***OK*** with 3k (in the parts I
understand).
I even liked print as a function **more** than print as a stmt
Now I think that Py3k is better than all prev pythons and cobras.
I a
On 3/11/2011 1:43 AM, Steven D'Aprano wrote:
The iter() built-in takes two different forms, the familiar
iter(iterable) we all know and love, and an alternative form:
iter(callable, sentinel)
E.g.:
T = -1
def func():
... global T
... T += 1
... return T
...
it = iter(func, 3)
On 3/11/2011 12:58 PM, Ceonn Bobst wrote:
Someone told me: “You certainly have a TCL_LIBRARY environment variable
set on your system, it should be removed”.
Someone else posted this week about the same problem (though from a
different cause) and solution.
How do I remove TCL_LIBRARY, or do
On 3/11/2011 4:15 PM, Patrick wrote:
Hi,
I saw in the Beginner document that "•Is easily extended by adding new
modules implemented in a compiled language such as C or C++. ".
While to my investigation, it seems not that easy or did I miss
something?
boost python (C++ libraries need to be re-c
On 3/12/2011 2:53 PM, Tim Johnson wrote:
I'm using Python 2.6.5 on ubuntu 10.04 32-bit.
My issue however, is with a code base that goes back to 2002,
which at that time was 1.5~ or so.
I have been since that time using my own cgi module which in turn,
uses the python standard `cgi' module.
The
On 3/12/2011 7:18 PM, Tim Johnson wrote:
* Terry Reedy [110312 13:28]:
On 3/12/2011 2:53 PM, Tim Johnson wrote:
Is 'cgilib' *your* wrapper of the cgi module, or from a third party.
cgilib is my module. I use the cgi module as follows:
## code below
import cgi
On 3/13/2011 3:17 PM, Tim Johnson wrote:
* Tim Johnson [110313 08:27]:
One other thing I just realized:
The process stops inside of a function call to another object
method, if that method call is removed, the process teminates.
:) I may have a solution later today, and will relay i
On 3/13/2011 7:27 PM, bukzor wrote:
I think this touches on my core problem. It's dead simple (and
natural) to use .py files simultaneously as both scripts and
libraries, as long as they're in a flat organization (all piled into a
single directory). Because of this, I never expected it to be so
On 3/14/2011 10:21 AM, Gerald Britton wrote:
Any idea why Python works this way? I see that, in 3.2, an
optimization was done for sets (See "Optimizations" at
http://docs.python.org/py3k/whatsnew/3.2.html) though I do not see
anything similar for dictionaries.
1/ because no one would ever s
On 3/14/2011 4:31 PM, bruce bushby wrote:
but has anybody seen any
efforts to allow python to "import modules via a socket"
I do not remember any such thing.
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list
On 3/15/2011 4:58 PM, davidj411 wrote:
it seems that if I copy the python.exe binary and the folders
associated with it to a server without python, i can run python.
does anyone know which files are important to copy and which can be
omitted?
For the 3.2 Windows installation, you should be able
On 3/16/2011 3:51 PM, Santoso Wijaya wrote:
??
Python 2.7.1 (r271:86832, Nov 27 2010, 17:19:03) [MSC v.1500 64 bit
(AMD64)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> L = []
>>> for i in xrange(10):
... L.append(str(i) * (1000 / len(
On 3/17/2011 1:42 AM, Astan Chee wrote:
Hi,
I have 2 points in 3D space and a bunch of points in-between them. I'm
trying to fit a polynomial curve on it. Currently I'm looking through
numpy but I don't think the function exists to fit a function like this:
y = ax**4 + bx**3 + cx**2 + dx + e
(I'm
On 3/17/2011 6:54 PM, Willis Cheung wrote:
Hi all,
I'm trying to build the debug version of Python 3.2. I downloaded the
py3k folder from the python SVN.
Just so you know, Python SVN is now a read-only historical arifact.
Development now happens in the hg repository. If you build x.y docs, yo
On 3/17/2011 8:24 PM, J Peyret wrote:
This gives a particularly nasty abend in Windows - "Python.exe has
stopped working", rather than a regular exception stack error. I've
fixed it, after I figured out the cause, which took a while, but maybe
someone will benefit from this.
Python 2.6.5 on Win
On 3/17/2011 10:00 PM, Terry Reedy wrote:
On 3/17/2011 8:24 PM, J Peyret wrote:
This gives a particularly nasty abend in Windows - "Python.exe has
stopped working", rather than a regular exception stack error. I've
fixed it, after I figured out the cause, which took a while, bu
On 3/18/2011 5:15 PM, Carl Banks wrote:
Multiple people reproduce a Python hang/crash yet it looks like no one
bothered to submit a bug report
I did not because I did not initially see a problem...
I observed the same behavior (2.6 and 3.2 on Linux, hangs) and went
ahead and submitted a
On 3/18/2011 5:27 PM, monkeys paw wrote:
TypeError: Error when calling the metaclass bases
module.__init__() takes at most 2 arguments (3 given)
OK, i overlooked that and the error was not very enlightening.
A detailed explanation: every module is an instance of a class we will
call Module. E
On 3/18/2011 10:24 AM, Martin De Kauwe wrote:
def bounds_check(state):
""" check state values are> 0 """
for attr in dir(state):
if not attr.startswith('__') and getattr(state, attr)< 0.0:
print "Error state values< 0: %s" % (attr)
dir() has to do a bit a com
On 3/19/2011 1:03 AM, Vlastimil Brom wrote:
2011/3/19 Manatee:
I hope this is the place to post this question.
Yes.
Lesson 1. Report Python version used, as things change. For anything
that seems like it might by os/system specific, include that too.
Lesson 2. Always include tracebacks when
On 3/19/2011 2:07 PM, Manatee wrote:
C:\Users\Rivetmr\MyPythonScripts>Python
Python 2.7.1 (r271:86832, Nov 27 2010, 17:19:03) [MSC v.1500 64 bit
(AMD64)] onI
win32
Type "help", "copyright", "credits" or "license" for more information.
I guess I have to go to an earlier version; maybe 2.6?
On 3/20/2011 8:46 PM, Manatee wrote:
The windows msi install fails saying there is no python install found
in the registry. Is there a workaround for this? Can I edit the
registry and manually enter the information?
I am running Python 2.71
There is no traceback, the installation fails immediat
On 3/20/2011 8:46 PM, Ken D'Ambrosio wrote:
Hey, all -- I know how to match and return stuff from a regex, but I'd
like to do an if, something like (from Perl, sorry):
if (/MatchTextHere/){DoSomething();}
How do I accomplish this in Python?
Look at the doc to see what are the possible return
On 3/24/2011 9:48 AM, Andrea Crotti wrote:
def fib_iter(n):
ls = {0: 1, 1:1}
Storing a linear array in a dict is a bit bizarre
for i in range(2, n+1):
ls[i] = ls[i-1] + ls[i-2]
return ls[max(ls)]
So is using max(keys) to find the highest index, which you
On 3/24/2011 9:48 AM, Andrea Crotti wrote:
I was showing a nice memoize decorator to a friend using the classic
fibonacci problem.
--8<---cut here---start->8---
def memoize(f, cache={}):
def g(*args, **kwargs):
# first must create a key to
On 3/24/2011 8:26 PM, Fons Adriaensen wrote:
On Thu, Mar 24, 2011 at 08:12:22PM -0400, Terry Reedy wrote:
The irony of this is that memoizing 'recursive' functions with a
decorator depends on the fact the Python does not have truly recursive
functions. A function cannot call itsel
On 3/25/2011 4:49 AM, Andrea Crotti wrote:
Terry Reedy writes:
def fib_iter(n, _cache = [1,1]):
k = len(_cache)
if n>= k:
for i in range(k, n+1):
_cache.append(_cache[i-2] + _cache[i-1])
return _cache[n]
I just realized that the signature really ought to be
On 3/25/2011 5:16 AM, Stefan Behnel wrote:
Terry's version is playing with the fact that default arguments are only
instantiated once, i.e. (unless overridden by passing an explicit
argument) the "_cache" is shared over all calls to the function. This is
similar to what your memoization decorato
On 3/25/2011 7:27 AM, bruce bushby wrote:
Hi
Is there any difference between the "serial" module in Python 2.7.1 and
"pyserial 2.5" ?
When asking about 3rd party modules, it may help to give a reference to
the site or download page on pypi. (And one should also check to package
specific list
On 3/26/2011 12:17 AM, Stefan Behnel wrote:
Not "restarted" in the sense that it gets cleaned up, though. The above
simply passes an explicit value for it that will be used for the single
call.
Which satisfies the time test need, but...
> Future calls won't be affected.
Good point. If one do
On 3/26/2011 5:55 AM, Lie wrote:
On Mar 26, 5:10 pm, Terry Reedy wrote:
On 3/26/2011 12:17 AM, Stefan Behnel wrote:
Not "restarted" in the sense that it gets cleaned up, though. The above
simply passes an explicit value for it that will be used for the single
call.
Which satisfie
On 3/26/2011 7:06 AM, Andrea Crotti wrote:
Stefan Behnel writes:
Not "restarted" in the sense that it gets cleaned up, though. The
above simply passes an explicit value for it that will be used for the
single call. Future calls won't be affected.
Stefan
About this global caching thing I tho
On 3/26/2011 4:49 AM, Steven D'Aprano wrote:
On Fri, 25 Mar 2011 16:04:02 -0700, Carl Banks wrote:
Call me crazy,
I would call you a bit ungrateful. Steven could have stayed silent
instead of making himself a target by informing interested people on
this list about the pydev post by Guido.
On 3/26/2011 11:49 AM, Steven D'Aprano wrote:
On Sat, 26 Mar 2011 07:14:17 -0700, eryksun () wrote:
Yikes! I know this thread is about caching the output of a function, but
in the example of Fibonacci numbers, we're blessed with an easily
derived closed form expression (via Z transform, etc):
For anyone interested, the tracker discussion on removing cmp is at
http://bugs.python.org/issue1771
There may have been more on the old py3k list and pydev list.
One point made there is that removing cmp= made list.sort consistent
with all the other comparision functions,
min/max/nsmallest/nla
On 3/29/2011 1:52 PM, harrismh777 wrote:
Thanks. You're right... I don't have tk-dev installed. duh. And I have
choices to make... it looks like setup.py is looking for 8.4 headers; I
3.2 (which you should definitely be starting with) should, I think, be
looking for 8.5, which I believe is ye
On 3/29/2011 5:50 AM, Raymond Hettinger wrote:
from collections import Counter
from itertools import product
print('\n'.join('*'*(c//2000) for _,c in sorted(Counter(map(sum,
product(range(6), repeat=8))).items(
The line break makes that hard to read; the axis is not labeled (and
labels he
On 3/29/2011 9:14 PM, monkeys paw wrote:
How do i delete a module namespace once it has been imported?
I use
import banner
Then i make a modification to banner.py. When i import it again,
the new changes are not reflected.
The best thing, if possible, is to restart the program.
If you develo
On 3/30/2011 5:10 AM, Jean-Michel Pichavant wrote:
3/ if you want to do the 2/ but require a painful long prologue to your
test, then you may want to use the builtin reload. Use it with care,
because any existing object created from the previous module will not be
affected, they'll still hold th
On 3/30/2011 7:58 PM, Gnarlodious wrote:
On Mar 30, 9:28 am, Peter Otten wrote:
You are trying to run your 3.x code with Python 2.x...
You're right. Exactly why this started happening I don't know.
I believe recent Mac OSX comes with some 2.x installed as the default
Python.
--
Terry Jan
On 3/31/2011 2:34 AM, harrismh777 wrote:
breaking a fundamental law of object oriented programming... don't break
and advertised interface (particularly if it is useful and people are
actually making use of it!).
This is insane folks.
Each x.y version (starting with 2.3) is feature stable: jus
On 3/31/2011 6:33 PM, Rouslan Korneychuk wrote:
I was looking at the list of bytecode instructions that Python uses and
I noticed how much it looked like assembly. So I figured it can't be to
hard to convert this to actual machine code, to get at least a small
boost in speed.
And so I whipped up
On 3/31/2011 10:20 PM, Tim Chase wrote:
On 03/31/2011 07:43 PM, candide wrote:
"pyyythhooonnn ---> "
and you search for the subquences composed of the same character, here
you get :
'yyy', 'hh', 'ooo', 'nnn', '---', ''
Or, if you want to do it with itertools instead of the "re" modul
On 4/1/2011 3:45 AM, Paul Rubin wrote:
Removing cmp certainly isn't the most disruptive change of Python 3,
That was almost certainly the ascii to unicode switch for strings. It is
still not quite complete in 3.2 but should be pretty well ironed out in 3.3.
but it seems like the one with t
On 4/1/2011 2:13 AM, harrismh777 wrote:
When I speak of implementation vs interface I am speaking from a
strictly object oriented philosophy, as pedigree, from Grady Booch, whom
I consider to be the father of Object Oriented Analysis and Design
(Booch, OO A&D with apps, 1994).
Python is object
On 4/1/2011 3:45 AM, Paul Rubin wrote:
What happens then is you define a new interface.
Like key= versus cmp=
In Microsoft-speak if
the IWhatever interface needs an incompatible extension like new
parameters, they introduce IWhatever2 which supports the new parameters.
They change the imple
On 4/1/2011 2:44 AM, harrismh777 wrote:
Terry Reedy wrote:
Python 3 was announced and as a mildly code breaking version at least 5
years before it came out.
I appreciate the spirit of your arguments overall, and I do not
necessarily disagree with much of what you are saying. I would like to
On 4/1/2011 3:45 AM, Paul Rubin wrote:
What happens then is you define a new interface. In Microsoft-speak if
the IWhatever interface needs an incompatible extension like new
parameters, they introduce IWhatever2 which supports the new parameters.
They change the implementation of IWhatever so
On 4/1/2011 7:36 AM, Austin Bingham wrote:
Is there any way to compile python (3.1.3, in case it matters) without
ssl support? OpenSSL is on my system, and configure finds it,
Can you temporarily disguise (rename) it?
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list
On 4/1/2011 8:56 AM, Fodness, Bryan C - GS wrote:
I am loading text into an array and would like to convert the values.
from math import *
from numpy import *
from pylab import *
data=loadtxt('raw.dat')
mincos=degrees(acos(data[:,0]))
minazi=degrees(data[:,1])
minthick=data[:,2]/0.006858
I am no
On 4/1/2011 9:35 AM, bryan.fodn...@gmail.com wrote:
Can anyone tell me what I am doing wrong?
Posting the same question twice is a bad idea, as it splits answers and
may lead to duplication. I answered your first post without seeing
Peter's response to you second post, which is further down
On 4/1/2011 11:07 AM, Corey Richardson wrote:
All callables (things you can foo(bar)) are really just objects that
implement the __call__ method, as far as I understand.
> Well then, that would appear to make methods themselves callable,
Method are just function objects that are class attribute
On 4/1/2011 3:22 PM, Paul Rubin wrote:
2to3 could probably gain a fixer to change
.sort(cmp=f) # to
import functools import cmp_to_key
.sort(key=functools.cmp_to_key(f))
I know some would not like this because interface change is not their
real concern.
Looks like a good idea. There is an e
On 4/2/2011 4:29 AM, harrismh777 wrote:
I am responding to both this and a previous post of yours.
Python is not a thing, but an abstraction of multiple parts. It is a
name, a trademark of the Python Software Foundation. It is a Platonic
ideal in the mind of Guido and others. It is a series* o
On 4/3/2011 6:07 AM, Alia Khouri wrote:
Hi folks,
I've been using ironpython2.7 in a project, and I was generating some
csharp code when i discovered that I couldn't use use str.format
because the interference with the brackets-aplenty situation in
csharp.
In [1]: code = "class {0}Model { publi
On 4/3/2011 1:26 AM, harrismh777 wrote:
Very interesting. Your explanations (and other excellent contributions
here) have shown an intense variation of diversity of viewpoint within
at least the comp.lang. community with regard to the Python language.
If you really want to see variation of opi
On 4/4/2011 1:51 AM, Paul Rubin wrote:
I didn't realize Python used Karatsuba. The main issue is probably that
Python uses a straightforward portable C implementation that's not
terribly efficient,
but relatively easy for a couple of people to maintain. For (C)Python 3,
which no longer has a
On 4/4/2011 5:23 AM, Paul Rubin wrote:
Gregory Ewing writes:
What might help more is having bytecodes that operate on
arrays of unboxed types -- numpy acceleration in hardware.
That is an interesting idea as an array or functools module patch.
Basically a way to map or fold arbitrary function
On 4/4/2011 5:34 AM, Antoon Pardon wrote:
On Fri, Apr 01, 2011 at 10:21:33PM -0400, Terry Reedy wrote:
rewriting cmp_to_key in C is underway
http://bugs.python.org/issue11707
Nice to know! Any chance this wil get into 2.7.x?
I posted the question to the issue.
--
Terry Jan Reedy
--
http
On 4/4/2011 9:35 AM, Lie Ryan wrote:
On 04/04/11 19:34, Antoon Pardon wrote:
On Fri, Apr 01, 2011 at 10:21:33PM -0400, Terry Reedy wrote:
rewriting cmp_to_key in C is underway
http://bugs.python.org/issue11707
Nice to know! Any chance this wil get into 2.7.x?
Python 2.7 still have
On 4/4/2011 1:14 PM, Terry Reedy wrote:
On 4/4/2011 5:23 AM, Paul Rubin wrote:
Gregory Ewing writes:
What might help more is having bytecodes that operate on
arrays of unboxed types -- numpy acceleration in hardware.
That is an interesting idea as an array or functools module patch
On 4/4/2011 1:20 PM, geremy condra wrote:
On Mon, Apr 4, 2011 at 9:41 AM, Terry Reedy wrote:
(I believe that retaining two implementations internally was considered but
rejected. Could be wrong.)
There are two implementations, grade school multiplication and
karatsuba, which kicks in after
O
fix exactly, and there is always worry that permanance enhancements may
have unforseen side effects. I will let Raymond make the call on this.
/permanance/performance/, /unforseen/unforeseen/
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list
On 4/4/2011 9:16 PM, harrismh777 wrote:
Another item that would be nice as an IDLE enhancement would be a menu
option that applies the fixers (either direction depending on version
2.7 <--> 3.2) right in the IDE. Entries that could not be fixed could be
flagged for manual update.
I have had th
On 4/5/2011 8:42 AM, neil wrote:
what are the advantages?
Py3 complete many transitions begun in Py2. In some cases, that means
deleting old obsolete stuff, such as old-style classes.
if it wasn't for python 3 breaking backwards
compatibility would it be the better choice?
Assuming equal
On 4/5/2011 9:13 AM, Jins Thomas wrote:
I'm a new bie. I have just started learning Python (3.0),
Please download, install, and use 3.2.
finished with official tutorial.
> I would like to have your opinion on some
1. Good books (for an intermediate in programming) with lot's of
...
2. O
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