On Aug 10, 10:21 am, samwyse wrote:
> On Aug 9, 9:41 am, Steven D'Aprano
> cybersource.com.au> wrote:
> > On Sun, 09 Aug 2009 06:13:38 -0700,samwysewrote:
> > > Here's what I have so far:
>
> > > import urllib
>
> > > class AppURLopener(urllib.FancyURLopener):
> > > version = "App/1.7"
> > >
In <[email protected]> "Diez B. Roggisch"
writes:
>kj schrieb:
>> I want to send a POST request and have the returned content put
>> directly into a file. Is there a way to do this easily in Python?
>> I've been looking at the documentation for urllib2, but I can't
>> see a dire
Hi,
This increment thing is driving me nearly to the nuts-stage. > <
I have a function that allows me to pick points. I want to count the
number of times I have picked points.
global no_picked
no_picked = 0
def picked(object, event):
no_picked += 1
print no_picke
global no_picked
no_picked = 0
def picked(object, event):
no_picked += 1
print no_picked
In order to be able to affect variables in the global scope, you need to
declare them global inside the function, and not at the global scope. So
your code should read:
Wow!!! Thanks a million!! It worked! = DThanks for the fast reply too!
Helvin
On Sat, Sep 5, 2009 at 11:52 AM, Rami Chowdhury wrote:
>global no_picked
>>no_picked = 0
>>
>>def picked(object, event):
>> no_picked += 1
>> print no_picked
>>
>
> In order to be able t
On Sep 3, 2:57 pm, James Harris wrote:
> On 3 Sep, 14:26, Albert van der Horst
> wrote:
>
> > In article
> > <[email protected]>,
> > James Harris wrote:
> >
>
> > >So you are saying that Smalltalk has r where
> > >r is presumably for radix? That
On 4 Sep, 06:20, John Nagle wrote:
> > In the current CPython implementation, every object has a reference
> > count, even immutable ones. This must be a writable field - and here you
> > have your race condition, even for immutable objects.
>
> That's an implementation problem with CPython.
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For more details www.technicaledu.blogspot.com
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On 3 Sep, 20:03, John Nagle wrote:
> Python doesn't have immutable objects as a general concept, but
> it may be headed in that direction. There was some fooling around
> with an "immmutability API" associated with NumPy back in 2007, but
> that was removed. As more immutable types are add
On Sep 4, 7:11 pm, Mathew Oakes wrote:
> Is there anything that can be done to make pexpect spawns send unicode lines?
>
> In this example they are just middot characters, but this process
> needs to be able to handle languages in other character sets.
>
> >>> spokentext = u'Nation . Search the FO
Is there anything that can be done to make pexpect spawns send unicode lines?
In this example they are just middot characters, but this process
needs to be able to handle languages in other character sets.
>>> spokentext = u'Nation . Search the FOX Nation . czars \xb7 Health care
>>> \xb7 t
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On Fri, 04 Sep 2009 19:23:06 -0700, sturlamolden wrote:
> I one did a test of NumPy's mutable arrays against Matlab's immutable
> arrays on D4 wavelet transforms. On an array of 64 MB of double
> precision floats, the Python/NumPy version was faster by an order of
> magnitude.
Is the difference b
On Fri, 04 Sep 2009 08:21:15 -0700, Mike Coleman wrote:
> It is true, though, that Python
> cannot be used to write arbitrarily complex one-liners, though.
Incorrect.
>>> exec "x=1\0while x < 5:\0 x+=1\0print x".replace('\0','\n')
5
Take (almost) any arbitrary piece of Python code. Replace all
On Fri, Sep 4, 2009 at 4:35 PM, kj wrote:
> In <[email protected]> "Diez B. Roggisch"
> writes:
>
>>kj schrieb:
>>> I want to send a POST request and have the returned content put
>>> directly into a file. Is there a way to do this easily in Python?
>>> I've been looking at the d
On 2009-09-05, Steven D'Aprano wrote:
> On Fri, 04 Sep 2009 08:21:15 -0700, Mike Coleman wrote:
>
>> It is true, though, that Python
>> cannot be used to write arbitrarily complex one-liners, though.
>
> Incorrect.
>
exec "x=1\0while x < 5:\0 x+=1\0print x".replace('\0','\n')
> 5
>
> Take (a
On 5 Sep, 05:12, Steven D'Aprano wrote:
> Is the difference because of mutability versus immutability, or because
> of C code in Numpy versus Matlab code? Are you comparing bananas and
> pears?
It consisted of something like this
import numpy
def D4_Transform(x, s1=None, d1=None, d2=None):
On Fri, 04 Sep 2009 06:36:59 -0700, Adam Skutt wrote:
> Nope, preventing mutation of the objects themselves is not enough. You
> also have to forbid variables from being rebound (pointed at another
> object). Consider this simple example:
>
> -- Thread 1 -- | -- Thread 2
On Sep 4, 7:03 pm, Ethan Furman wrote:
> Just to verify, using the decorator module is portable, yes?
Yes, it is portable. BTW, here is what you want to do (requires
decorator-3.1.2):
from decorator import FunctionMaker
def bindfunc(f):
name = f.__name__
signature = ', '.join(FunctionM
Carl Banks wrote:
> Sorry, alex, unfortunately you are wrong, although it's understandable
> that you've missed this.
> [...]
> The speedup comes because local lookups are much faster. Accessing a
> local is a simple index operation, and a nonlocal is a pointer deref
> or two, then an indexing.
On Fri, 04 Sep 2009 22:37:15 +0200, Jan Kaliszewski wrote:
> Named tuples (which indeed are really very nice) are read-only, but the
> approach they represent could (and IMHO should) be extended to some kind
> of mutable objects.
What do you mean "read-only"? Do you mean immutable?
What sort of
On Fri, 04 Sep 2009 22:27:39 -0500, Grant Edwards wrote:
>> Take (almost) any arbitrary piece of Python code. Replace all newlines
>> by nulls. Escape any quotation marks. Wrap the whole thing in quotes,
>> and pass it to exec as above, and you have an arbitrarily complex
>> one-liner.
>
> I don'
On 4 Sep, 14:50, Michele Simionato
wrote:
> # requires byteplay by Noam Raphael
> # seehttp://byteplay.googlecode.com/svn/trunk/byteplay.py
> from byteplay import Code, LOAD_GLOBAL, STORE_FAST, LOAD_FAST
Incrediby cool :-)
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On Fri, 04 Sep 2009 20:48:13 -0700, sturlamolden wrote:
> > Is the difference because of mutability versus immutability, or
> > because of C code in Numpy versus Matlab code? Are you comparing
> > bananas and pears?
>
> It consisted of something like this
Your code does a lot of unnecessary wor
Hi, This is to announce the release of expy 0.1.2
What's new?
--
1. allow both keywords and positional arguments to functions/methods.
2. allow wrapping up your returned value by yourself. (example is provided in
tutorial)
What is expy?
--
expy is an expressway to exte
kj wrote:
I'm looking for the "best-practice" way to define application-global
read-only switches, settable from the command line. The best
example I can think of of such global switch is the built-in variable
__debug__. This variable is visible everywhere in a program, and
broadly affects it
On 5 Sep, 07:04, Steven D'Aprano wrote:
> Your code does a lot of unnecessary work if you're just trying to
> demonstrate immutability is faster or slower than mutability.
No ... I was trying to compute D4 wavelet transforms. I wanted to see
how NumPy compared with Matlab.
> How does Matlab sp
On 5 Sep, 07:04, Steven D'Aprano wrote:
> How does Matlab speed compare to Python in general?
Speed-wise Matlab is slower, but it is not the interpreter limiting
the speed here.
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On Fri, Sep 4, 2009 at 9:49 PM, Steven
D'Aprano wrote:
...
>
>> The old discussion, the above link points to, shows that such a
>> dot-accessible dict-like class is something that many people need and
>> repeatedly implemet it (more or less perfectly) for themselves.
>
> I think it's something whic
I am trying to get used to the new print() syntax prior to installing
python 3.1:
test=[["VG", "Virgin Islands, British"],["VI", "Virgin Islands, U.S."],
["WF", "Wallis and Futuna"],["EH", "Western Sahara"],["YE", "Yemen"],
["ZM", "Zambia"],["ZW", "Zimbabwe"],]
#old print
for z in test:
if z[0
"DarkBlue" wrote in message
news:[email protected]...
I am trying to get used to the new print() syntax prior to installing
python 3.1:
test=[["VG", "Virgin Islands, British"],["VI", "Virgin Islands, U.S."],
["WF", "Wallis and Futuna"],["EH", "We
"DarkBlue" wrote in message
news:[email protected]...
I am trying to get used to the new print() syntax prior to installing
python 3.1:
test=[["VG", "Virgin Islands, British"],["VI", "Virgin Islands, U.S."],
["WF", "Wallis and Futuna"],["EH", "We
Dear Sir,
Thank you for your kind reply. I would surely check your code. Meanwhile, I
solved it using readlines() but not in your way. I will definitely have a
look in your code. My solution came so smart that I felt I should not have
posted this question.
But I would like to know about,
i) File
On Fri, Sep 4, 2009 at 11:39 PM, SUBHABRATA
BANERJEE wrote:
> And one small question does Python has any increment operator like ++ in C.
No. We do x += 1 instead.
Cheers,
Chris
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On Fri, 04 Sep 2009 22:30:44 -0700, sturlamolden wrote:
> On 5 Sep, 07:04, Steven D'Aprano
> wrote:
>
>> How does Matlab speed compare to Python in general?
>
> Speed-wise Matlab is slower, but it is not the interpreter limiting the
> speed here.
How do you know?
--
Steven
--
http://mail.p
On Sep 5, 2:35 pm, "Mark Tolonen" wrote:
> "DarkBlue" wrote in message
>
> news:[email protected]...
>
>
>
> >I am trying to get used to the new print() syntax prior to installing
> > python 3.1:
>
> > test=[["VG", "Virgin Islands, British"],["VI", "
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