py2exe with python 2.5

2007-08-10 Thread vedrandekovic
Hello, Now,I was install python 2.5 and remove python 2.4 completely.After I write: $ python mysetup.py py2exe ... import py2exe_ util ImportError: Module use of conflicts with this version of Python ...ok, I know what is a problem, I haven't remove python completely, in my computer is

is there anybody using __del__ correctly??

2007-08-10 Thread Michele Simionato
The title is provocative, of course ;) However, I was browsing through our codebase here at work and I noticed a few usages of __del__ as a resource finalizer (i.e. __del__ just calls a close method). I consider this practice an error, since with __del__ you are never sure that the resource will

Re: The Future of Python Threading

2007-08-10 Thread Jean-Paul Calderone
On Fri, 10 Aug 2007 10:01:51 -, Justin T. [EMAIL PROTECTED] wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading python. [snip -

Re: The Future of Python Threading

2007-08-10 Thread Chris Mellon
On 8/10/07, Ben Sizer [EMAIL PROTECTED] wrote: On 10 Aug, 15:38, Ben Finney [EMAIL PROTECTED] wrote: Justin T. [EMAIL PROTECTED] writes: The truth is that the future (and present reality) of almost every form of computing is multi-core, and there currently is no effective way of

Re: The Future of Python Threading

2007-08-10 Thread brad
Justin T. wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading python. This is all anecdotal... threads in Python work great for

building a rather simple server in python

2007-08-10 Thread boazin
Hi all, I was trying to build a rather simple server (with a twist) using asyncore and got myself complicated. Well, here's the deal: My server will handle multiple connections, some require reply, and some not (they will disconnect by themselves) all the clients want to to deliver binary data

cookielib

2007-08-10 Thread Boris Ozegovic
Hi I have HTTP client which accepts cookies. If client allready has cookie, but that cookie has expired, server sends him new cookie, and in response object Set-Cookie: header everything is fine, but if I reload request, client sends expired cookie, and not the new one. In cookiejar there is

Re: is there anybody using __del__ correctly??

2007-08-10 Thread Steven Bethard
Raymond Hettinger wrote: [Michele Simionato] Here and there I hear rumors about deprecating __del__ and nothing happens, are there any news about that? Expecially concerning Py3k? I was writing a Py3K PEP advocating the elimination of __del__ because: * 'with closing()' and try/finally

Re: The Future of Python Threading

2007-08-10 Thread Jean-Paul Calderone
On Fri, 10 Aug 2007 16:37:19 -, Justin T. [EMAIL PROTECTED] wrote: On Aug 10, 3:52 am, Jean-Paul Calderone [EMAIL PROTECTED] wrote: On Fri, 10 Aug 2007 10:01:51 -, Justin T. [EMAIL PROTECTED] wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research

Re: The Future of Python Threading

2007-08-10 Thread Justin T.
On Aug 10, 3:57 am, Steve Holden [EMAIL PROTECTED] wrote: Justin T. wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading

building a rather simple server in python

2007-08-10 Thread boazin
Hi all, I was trying to build a rather simple server (with a twist) using asyncore and got myself complicated. Well, here's the deal: My server will handle multiple connections, some require reply, and some not (they will disconnect by themselves) all the clients want to to deliver binary data

Leo 4.4.4 beta 1 released

2007-08-10 Thread Edward K Ream
Leo 4.4.4 beta is available at: http://sourceforge.net/project/showfiles.php?group_id=3458package_id=29106 Leo is a text editor, data organizer, project manager and much more. See: http://webpages.charter.net/edreamleo/intro.html The highlights of Leo 4.4.4: - A

Re: The Future of Python Threading

2007-08-10 Thread Aahz
In article [EMAIL PROTECTED], Nick Craig-Wood [EMAIL PROTECTED] wrote: This would of course make C extensions more complicated... It's even worse than that. One of the goals for Python is to make it easy to call into random libraries, and there are still plenty around that aren't thread-safe

Re: Ipc mechanisms and designs.

2007-08-10 Thread Alex Martelli
king kikapu [EMAIL PROTECTED] wrote: Hi, inspired of the topic The Future of Python Threading, i started to realize that the only way to utilize the power of multiple cores using Python, is spawn processes and communicate with them. If we have the scenario: 1. Windows (mainly)

Re: The Future of Python Threading

2007-08-10 Thread Ben Sizer
On 10 Aug, 15:38, Ben Finney [EMAIL PROTECTED] wrote: Justin T. [EMAIL PROTECTED] writes: The truth is that the future (and present reality) of almost every form of computing is multi-core, and there currently is no effective way of dealing with concurrency. Your post seems to take

Ipc mechanisms and designs.

2007-08-10 Thread king kikapu
Hi, inspired of the topic The Future of Python Threading, i started to realize that the only way to utilize the power of multiple cores using Python, is spawn processes and communicate with them. If we have the scenario: 1. Windows (mainly) development 2. Processes are running in the same

Re: The Future of Python Threading

2007-08-10 Thread Nick Craig-Wood
Bjoern Schliessmann [EMAIL PROTECTED] wrote: Justin T. wrote: The detrimental effects of the GIL have been discussed several times and nobody has ever done anything about it. Also it has been discussed that dropping the GIL concept requires very fine locking mechanisms inside the

Re: High performance binary data

2007-08-10 Thread sturlamolden
On Aug 10, 2:26 am, Steve [EMAIL PROTECTED] wrote: I want to ready binary data from a udp socket effeciently as possible in python. I know of the struct package but do people have any tips when dealing with binary data in python? Is there a library or api that is faster when dealing with

Re: The Future of Python Threading

2007-08-10 Thread king kikapu
All of which is avoided by designing the program to operate as discrete processes communicating via well-defined IPC mechanisms. Hi Ben, i would like to learn more about this, have you got any links to give me so i can have a look ? -- http://mail.python.org/mailman/listinfo/python-list

Re: wxPython before MainLoop

2007-08-10 Thread Steve Holden
[david] wrote: [...] I don't think wxPython is really ready for Windows. I don't think you are really ready to for GUIs ;-) Fortunately, it doesn't matter what *I* think. regards Steve -- Steve Holden+1 571 484 6266 +1 800 494 3119 Holden Web LLC/Ltd

Re: High performance binary data

2007-08-10 Thread Nick Craig-Wood
Steve [EMAIL PROTECTED] wrote: I want to ready binary data from a udp socket effeciently as possible in python. I know of the struct package but do people have any tips when dealing with binary data in python? Is there a library or api that is faster when dealing with binary data. I am

Re: wxPython before MainLoop

2007-08-10 Thread Bjoern Schliessmann
[david] wrote: I'm disappointed that I didn't get a wxPython solution. If the only way to get wxPython to correctly handle this simple task is to code around it, LOL -- did you try coding this app with native windows means, like MFC? You will have *exactly* the same problem, and *exactly*

Re: The Future of Python Threading

2007-08-10 Thread Aahz
In article [EMAIL PROTECTED], Steve Holden [EMAIL PROTECTED] wrote: I doubt that a thread on c.l.py is going to change much. It's the python-dev and py3k lists where you'll need to take up the cudgels, because I can almost guarantee nobody is going to take the GIL out of 2.6 or 2.7.

AttributeError: 'module' object has no attribute 'HTTPSHandler'

2007-08-10 Thread [EMAIL PROTECTED]
Hi I built and installed python 2.5 from source and when I do this: opener = urllib2.build_opener(SmartRedirectHandler(), DefaultErrorHandler(), urllib2.HTTPSHandler()) I get this error. AttributeError: 'module' object has no attribute 'HTTPSHandler' What should I do? --

Re: Puzzled by is

2007-08-10 Thread Trent Mick
Dick Moores wrote: At 06:13 PM 8/9/2007, Ben Finney wrote: It's important to also realise that the language is *deliberately* non-committal on whether any given value will have this behaviour; that is, it's entirely left to the language implementation which optimisation trade-offs to make,

Re: Stackless Integration

2007-08-10 Thread Terry Reedy
Justin T. [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] | And as far as I know or | could find in the PEP index, C. Tismer has never submitted a PEP asking | that it be made so. Doing so would mean a loss of control, so there is a | downside as well as the obvious upside of

Re: beginner whitespace question

2007-08-10 Thread eggie5
On Aug 9, 10:37 pm, James Stroud [EMAIL PROTECTED] wrote: Dan Bishop wrote: Tabs are for tables, hence the name. Use spaces for space and use tabs for tables can be a little mnemonic to help you remember the rules. We can make a little song together if you can think of some things that

Re: is there anybody using __del__ correctly??

2007-08-10 Thread Michele Simionato
On Aug 10, 7:09 pm, Steven Bethard [EMAIL PROTECTED] wrote: There were also a few recipes posted during this discussion that wrap weakrefs up a bit nicer so it's easier to use them in place of __del__:

Re: (Re)announcing APL 2007

2007-08-10 Thread rjp
On Aug 6, 9:20 am, Paul Mansour [EMAIL PROTECTED] wrote: APL2007 Roll Call: Is anyone going to this? I'm thinking about going, but I don't want to the only one to show up, as in San Diego. Here here. Sorry to mention the elephant in the room, but this discussion begs the obvious question:

Re: The Future of Python Threading

2007-08-10 Thread Justin T.
On Aug 10, 3:52 am, Jean-Paul Calderone [EMAIL PROTECTED] wrote: On Fri, 10 Aug 2007 10:01:51 -, Justin T. [EMAIL PROTECTED] wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or

Re: is there anybody using __del__ correctly??

2007-08-10 Thread Raymond Hettinger
[Michele Simionato] Here and there I hear rumors about deprecating __del__ and nothing happens, are there any news about that? Expecially concerning Py3k? I was writing a Py3K PEP advocating the elimination of __del__ because: * 'with closing()' and try/finally are the preferred ways of

Re: py2exe with python 2.5

2007-08-10 Thread vedrandekovic
On 10 kol, 14:38, Ant [EMAIL PROTECTED] wrote: On Aug 10, 11:47 am, [EMAIL PROTECTED] wrote: On 10 kol, 11:02, Ant [EMAIL PROTECTED] wrote: ... yes,Python 2.5 is on the path, but how can I remove panda3d from that path? Hit Win - Break to bring up the System Properties dialog (you can

Re: The Future of Python Threading

2007-08-10 Thread Cameron Laird
In article [EMAIL PROTECTED], Bjoern Schliessmann [EMAIL PROTECTED] wrote: Justin T. wrote: The detrimental effects of the GIL have been discussed several times and nobody has ever done anything about it. Also it has been discussed that dropping the GIL concept requires very fine locking

Re: Deleting objects on the fly

2007-08-10 Thread Terry Reedy
Campbell Barton [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] | Michele Simionato wrote: | Probably not, 'del x' just decrements the reference count, Or as http://docs.python.org/ref/del.html puts it, Deletion of a name removes the binding of that name from the local or global

Re: Smoother Lines in Turtle Graphics

2007-08-10 Thread kyosohma
On Aug 9, 6:56 pm, tomy [EMAIL PROTECTED] wrote: Hi All I am a newbie to turtle graphics in python, so sorry if you find this question too easy. How can I get smoother lines in turtle graphics? I am using python on windows. Thanks in advance You may be better off using PIL or pygame for

Re: Puzzled by is

2007-08-10 Thread Marc 'BlackJack' Rintsch
On Fri, 10 Aug 2007 10:57:22 -0700, Dick Moores wrote: At 06:13 PM 8/9/2007, Ben Finney wrote: Others have already said that it's an implementation optimisation, which seems to partly answer your question. It's important to also realise that the language is *deliberately* non-committal on

pat-match.lisp or extend-match.lisp in Python?

2007-08-10 Thread ekzept
anyone have either pat-match.lisp or extend-match.lisp redone in Python? or how about knowing where there might be such a thing? sources: http://norvig.com/paip/patmatch.lisp http://www.cs.northwestern.edu/academics/courses/325/programs/extend-match.lisp --

Re: Does PyModule_GetDict return information about class method variables?

2007-08-10 Thread Marc 'BlackJack' Rintsch
On Fri, 10 Aug 2007 05:54:03 -0700, MD wrote: On Aug 10, 12:43 am, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: class A(object): def foo(self): bar = 42 The local name `bar` only exists if `foo()` is called on an instance of `A`. Thanks for your reply. I am calling my

Re: Ipc mechanisms and designs.

2007-08-10 Thread Nikita the Spider
In article [EMAIL PROTECTED], king kikapu [EMAIL PROTECTED] wrote: Hi, inspired of the topic The Future of Python Threading, i started to realize that the only way to utilize the power of multiple cores using Python, is spawn processes and communicate with them. If we have the scenario:

Re: wxPython before MainLoop

2007-08-10 Thread kyosohma
On Aug 9, 8:51 pm, [david] [EMAIL PROTECTED] wrote: I'm disappointed that I didn't get a wxPython solution. If the only way to get wxPython to correctly handle this simple task is to code around it, I don't think wxPython is really ready for Windows. Is there a better place to ask?

Re: Python MAPI

2007-08-10 Thread kyosohma
On Aug 10, 5:05 am, vasudevram [EMAIL PROTECTED] wrote: On Jul 23, 6:07 pm, [EMAIL PROTECTED] wrote: Well, I ran Process Monitor with some filters enabled to only watch Thunderbird and MS Word. Unfortunately, that didn't give me any of the registry edits, so I disabled my filters and ran it

Re: Does PyModule_GetDict return information about class method variables?

2007-08-10 Thread MD
Hi Marc, Thanks for your reply. I am calling my extension function from the class method itself. So at that point the variable does exist. I am puzzled why PyModule_GetDict is not able to access the variable even though it does exist at that point. Thanks, -Manas On Aug 10, 12:43 am, Marc

Re: Question about properties.

2007-08-10 Thread Gerardo Herzig
king kikapu wrote: On Aug 10, 1:33 pm, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Fri, 10 Aug 2007 03:21:29 -0700, king kikapu wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def

Re: py2exe with python 2.5

2007-08-10 Thread Ant
On Aug 10, 11:47 am, [EMAIL PROTECTED] wrote: On 10 kol, 11:02, Ant [EMAIL PROTECTED] wrote: ... yes,Python 2.5 is on the path, but how can I remove panda3d from that path? Hit Win - Break to bring up the System Properties dialog (you can also get here through the Control Panel). Go to the

Re: Question about properties.

2007-08-10 Thread Steve Holden
king kikapu wrote: On Aug 10, 1:33 pm, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Fri, 10 Aug 2007 03:21:29 -0700, king kikapu wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x):

Re: subprocess.Popen(cmd) question

2007-08-10 Thread WolfgangZ
WolfgangZ schrieb: Hello, I'm starting some subprocesses inside a loop. The processes run independent and dont need any communication between each other. Due to memory issues I need to limit the number of running processes to around 10. How can I insert a break into my loop to wait until

Re: The Future of Python Threading

2007-08-10 Thread Paul Boddie
On 10 Aug, 12:01, Justin T. [EMAIL PROTECTED] wrote: While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading python. Python is not multi-threading

Re: subprocess.Popen(cmd) question

2007-08-10 Thread Peter Otten
WolfgangZ wrote: I'm starting some subprocesses inside a loop. The processes run independent and dont need any communication between each other. Due to memory issues I need to limit the number of running processes to around 10. How can I insert a break into my loop to wait until some

Re: Smoother Lines in Turtle Graphics

2007-08-10 Thread Ant
On Aug 10, 11:41 am, Diez B. Roggisch [EMAIL PROTECTED] wrote: tomy wrote: Hi All ... What turtle graphics? I'm not aware that there is some standard-turtle-graphics available, so it might be a problem of your turtle-graphics-package. Diez import turtle Its part of the standard Library!

Re: The Future of Python Threading

2007-08-10 Thread Steve Holden
Justin T. wrote: Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading python. [...] What these seemingly unrelated thoughts come down

Re: Question about properties.

2007-08-10 Thread king kikapu
On Aug 10, 1:33 pm, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Fri, 10 Aug 2007 03:21:29 -0700, king kikapu wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert

Re: Smoother Lines in Turtle Graphics

2007-08-10 Thread Diez B. Roggisch
tomy wrote: Hi All I am a newbie to turtle graphics in python, so sorry if you find this question too easy. How can I get smoother lines in turtle graphics? I am using python on windows. What turtle graphics? I'm not aware that there is some standard-turtle-graphics available, so it might

Re: Issues of state

2007-08-10 Thread Steve Holden
greg wrote: Jay Loden wrote: Like most things involving dynamic client side-javascript code and AJAX technology, it's a lot harder than you'd like it to be to solve the problem, but in cases where the Back button is really an issue, it's worth the effort. So if you're willing to put in a

Re: Question about properties.

2007-08-10 Thread dijkstra . arjen
On Aug 10, 12:21 pm, king kikapu [EMAIL PROTECTED] wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert isinstance(x, int), 'x must be an integer!' self.__x = ~x def

Question about properties.

2007-08-10 Thread king kikapu
Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert isinstance(x, int), 'x must be an integer!' self.__x = ~x def get_x(self): return ~self.__x x = property(get_x)

Re: beginner whitespace question

2007-08-10 Thread Ben Finney
James Stroud [EMAIL PROTECTED] writes: When you want to screw your whitespace--don't! Take this little pledge and I know you won't: James, you're a poet And you don't even realise -- \ [...] a Microsoft Certified System Engineer is to information | `\ technology as a McDonalds

Re: Python MAPI

2007-08-10 Thread vasudevram
On Jul 23, 6:07 pm, [EMAIL PROTECTED] wrote: Well, I ran Process Monitor with some filters enabled to only watch Thunderbird and MS Word. Unfortunately, that didn't give me any of the registry edits, so I disabled my filters and ran it without. Now I have a log file with 28,000 entries. It's

Re: Deleting objects on the fly

2007-08-10 Thread Campbell Barton
Michele Simionato wrote: On Aug 10, 2:25 am, Godzilla [EMAIL PROTECTED] wrote: Hello, I wish to know whether I should delete objects created on the fly via the del obj statement. I noticed the RAM usage increased whenever the application is being run for a long time. I am creating lots of

The Future of Python Threading

2007-08-10 Thread Justin T.
Hello, While I don't pretend to be an authority on the subject, a few days of research has lead me to believe that a discussion needs to be started (or continued) on the state and direction of multi-threading python. Python is not multi-threading friendly. Any code that deals with the python

Re: wxPython - drawing without paint event

2007-08-10 Thread 7stud
On Aug 9, 7:46 pm, Matt Bitten [EMAIL PROTECTED] wrote: I've got a wxPython program that needs to do some drawing on a DC on a regular basis And there is no event, so my code doesn't get called. What do I do? Then the event is: on a regular basis, i.e. the passage of time. You can use a

Re: is there anybody using __del__ correctly??

2007-08-10 Thread greg
Michele Simionato wrote: So I did, and to my dismay 95% of the __del__ methods in the standard library are just calling a close method! You can't conclude that this is wrong just from looking at the __del__ method itself. You need to consider whether there is any way the thing being closed

Re: how to get output.

2007-08-10 Thread indu_shreenath
On Aug 10, 12:02 am, Larry Bates [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: I corrected a typ below. On Aug 9, 12:50 pm, [EMAIL PROTECTED] wrote: Hey, I did write the following: but it does not work. import subprocess as sp try: p = sp.Popen(DIR . /AD /B,

subprocess.Popen(cmd) question

2007-08-10 Thread WolfgangZ
Hello, I'm starting some subprocesses inside a loop. The processes run independent and dont need any communication between each other. Due to memory issues I need to limit the number of running processes to around 10. How can I insert a break into my loop to wait until some processes are

float to string with different precision

2007-08-10 Thread zunbeltz
Hi, I have to print float numbers to a file. Each float should be 5 characters in width (4 numbers and the decimal point). My problem is that I do not now how to specify float to have different numbers of decimals. For example 5.32 - 5.320 10.356634 - 10.357 289.234 - 289.2 In the string

Re: Misleading wikipedia article on Python 3?

2007-08-10 Thread greg
Evan Klitzke wrote: You can easily modify print in a safe way. Yes, but you'd still have to replace the builtin print function with your own to get it used by non-cooperative code. That doesn't seem to gain you much over replacing sys.stdout with something that intercepts and logs stuff written

Re: float to string with different precision

2007-08-10 Thread Peter Otten
[EMAIL PROTECTED] wrote: I have to print float numbers to a file. Each float should be 5 characters in width (4 numbers and the decimal point). My problem is that I do not now how to specify float to have different numbers of decimals. For example 5.32 - 5.320 10.356634 - 10.357 289.234

Re: Issues of state

2007-08-10 Thread greg
Jay Loden wrote: Like most things involving dynamic client side-javascript code and AJAX technology, it's a lot harder than you'd like it to be to solve the problem, but in cases where the Back button is really an issue, it's worth the effort. So if you're willing to put in a huge amount of

Re: pep 3116 behaviour on non-blocking reads

2007-08-10 Thread greg
Antoon Pardon wrote: I would like the developers to reconsider and return 0 bytes when no bytes are available and let None indicate end of file. That would be a major departure from the way IO has always been handled before in Python, which follows the Unix model. Also, only code that deals

Re: py2exe with python 2.5

2007-08-10 Thread Ant
On Aug 10, 8:39 am, [EMAIL PROTECTED] wrote: Hello, Now,I was install python 2.5 and remove python 2.4 completely.After I write: $ python mysetup.py py2exe ... import py2exe_ util ImportError: Module use of conflicts with this version of Python ...ok, I know what is a problem, I

Re: tempfile behavior

2007-08-10 Thread greg
Marc 'BlackJack' Rintsch wrote: File descriptors are integers. It's a low level C thing. Either use the low level functions in `os` or open the file with the `filename`. In particular, os.fdopen(fd) will give you a file object. -- Greg -- http://mail.python.org/mailman/listinfo/python-list

com: makepy gencache.EnsureModule

2007-08-10 Thread Kai Rosenthal
Hello, I' having a problem with gencache.EnsureModule: I used win32com\client\makepy.py to successfully generate Python sources. Unfortunately, after I call win32com.client.Dispatch(), the object I get back is of type COMObject instead of one of the generated classes. In particular, I'm trying

Re: Stackless Integration

2007-08-10 Thread Bruno Desthuilliers
Steve Holden a écrit : Bruno Desthuilliers wrote: Jean-Paul Calderone a écrit : On Thu, 09 Aug 2007 09:00:27 -, Justin T. [EMAIL PROTECTED] wrote: Hi, I've been looking at stackless python a little bit, and it's awesome. My question is, why hasn't it been integrated into the upstream

Re: programmatically define a new variable on the fly

2007-08-10 Thread Bruno Desthuilliers
Lee Sander a écrit : Hi, I would like to define a new variable which is not predefined by me. For example, I want to create an array called X%s where %s is to be determined based on the data I am processing. So, for example, if I the file I'm reading has g 99 on the first line, I want to

Re: Question about properties.

2007-08-10 Thread Marc 'BlackJack' Rintsch
On Fri, 10 Aug 2007 03:21:29 -0700, king kikapu wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert isinstance(x, int), 'x must be an integer!' self.__x = ~x def

Re: Issues of state

2007-08-10 Thread Jay Loden
Steve Holden wrote: greg wrote: Jay Loden wrote: Like most things involving dynamic client side-javascript code and AJAX technology, it's a lot harder than you'd like it to be to solve the problem, but in cases where the Back button is really an issue, it's worth the effort. So if you're

Re: float to string with different precision

2007-08-10 Thread Zentrader
On Aug 10, 1:12 am, Peter Otten [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: I have to print float numbers to a file. Each float should be 5 characters in width (4 numbers and the decimal point). My problem is that I do not now how to specify float to have different numbers of

Python Dies on make install

2007-08-10 Thread fartknuckle
When I try to build and install python from source It configures and makes fine but upon 'make install' I always get to this point: Listing /usr/local/lib/python2.5/xml/sax ... Compiling /usr/local/lib/python2.5/xml/sax/__init__.py ... Compiling /usr/local/lib/python2.5/xml/sax/_exceptions.py

Re: The Future of Python Threading

2007-08-10 Thread Luc Heinrich
Justin T. [EMAIL PROTECTED] wrote: What these seemingly unrelated thoughts come down to is a perfect opportunity to become THE next generation language. Too late: http://www.erlang.org/ :) -- Luc Heinrich -- http://mail.python.org/mailman/listinfo/python-list

Re: The Future of Python Threading

2007-08-10 Thread Ben Finney
Justin T. [EMAIL PROTECTED] writes: The truth is that the future (and present reality) of almost every form of computing is multi-core, and there currently is no effective way of dealing with concurrency. Your post seems to take threading as the *only* way to write code for multi-core

Re: Question about properties.

2007-08-10 Thread Dustan
On Aug 10, 5:31 am, [EMAIL PROTECTED] wrote: On Aug 10, 12:21 pm, king kikapu [EMAIL PROTECTED] wrote: Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert isinstance(x, int), 'x

Re: Question about properties.

2007-08-10 Thread Antti Rasinen
Hi, i read in a book the following code snippet that is dealing with properties: class ProtectAndHideX(object): def __init__(self, x): assert isinstance(x, int), 'x must be an integer!' self.__x = ~x def get_x(self): return ~self.__x x =

Re: Smoother Lines in Turtle Graphics

2007-08-10 Thread Steve Holden
Jeremy Sanders wrote: Ant wrote: Python: Batteries and Turtles included! I didn't know that! It looks like turtle is based on Tk, which doesn't have antialiasing yet (see http://wiki.tcl.tk/10101 ), so it can't really be made nice and smooth (unless you could somehow use tkzinc/tkpath to

Re: The Future of Python Threading

2007-08-10 Thread Bjoern Schliessmann
Justin T. wrote: The detrimental effects of the GIL have been discussed several times and nobody has ever done anything about it. Also it has been discussed that dropping the GIL concept requires very fine locking mechanisms inside the interpreter to keep data serialised. The overhead

Re: Smoother Lines in Turtle Graphics

2007-08-10 Thread Jeremy Sanders
Ant wrote: Python: Batteries and Turtles included! I didn't know that! It looks like turtle is based on Tk, which doesn't have antialiasing yet (see http://wiki.tcl.tk/10101 ), so it can't really be made nice and smooth (unless you could somehow use tkzinc/tkpath to draw with). I suppose

Re: Question about properties.

2007-08-10 Thread king kikapu
Maybe is just a writers' play and nothing else. -- http://mail.python.org/mailman/listinfo/python-list

Re: py2exe with python 2.5

2007-08-10 Thread vedrandekovic
On 10 kol, 11:02, Ant [EMAIL PROTECTED] wrote: On Aug 10, 8:39 am, [EMAIL PROTECTED] wrote: Hello, Now,I was install python 2.5 and remove python 2.4 completely.After I write: $ python mysetup.py py2exe ... import py2exe_ util ImportError: Module use of conflicts with

Re: wxPython before MainLoop

2007-08-10 Thread Chris Mellon
On 8/9/07, Heikki Toivonen [EMAIL PROTECTED] wrote: [david] wrote: I'd like to refresh the display before I start the main loop. We have this kind of situation in Chandler, where we display and update the splash screen before we enter MainLoop. 1. Create app object

Fwd: AttributeError: 'module' object has no attribute 'HTTPSHandler'

2007-08-10 Thread Matt McCredie
I built and installed python 2.5 from source and when I do this: opener = urllib2.build_opener(SmartRedirectHandler(), DefaultErrorHandler(), urllib2.HTTPSHandler()) I get this error. AttributeError: 'module' object has no attribute 'HTTPSHandler' What should I do? You need `_ssl.pyd'

Re: programmatically define a new variable on the fly

2007-08-10 Thread Bart Ogryczak
On 10 ago, 00:11, Lee Sander [EMAIL PROTECTED] wrote: Hi, I would like to define a new variable which is not predefined by me. For example, I want to create an array called X%s where %s is to be determined based on the data I am processing. So, for example, if I the file I'm reading has g

Re: Threaded Design Question

2007-08-10 Thread Graeme Glass
Using IPC is just adding needles complexity to your program. Instead of constantly scanning the directory for files and then adding them to a Queue, and then having to worry if that specific file may have already been popped off the queue and is currently running by one of the workers, just poll

Re: Stackless Integration

2007-08-10 Thread Bruno Desthuilliers
Bruno Desthuilliers a écrit : Steve Holden a écrit : (snip) Twisted is a complex set of packages Sure. Now I may be dumb, but I thought it was about stackless, not about Twisted... Sorry, didn't saw your other post. -- http://mail.python.org/mailman/listinfo/python-list

Re: wxPython before MainLoop

2007-08-10 Thread Chris Mellon
On 8/9/07, [david] [EMAIL PROTECTED] wrote: I'm disappointed that I didn't get a wxPython solution. If the only way to get wxPython to correctly handle this simple task is to code around it, I don't think wxPython is really ready for Windows. This sort of blathering is really just

Re: The Future of Python Threading

2007-08-10 Thread kyosohma
On Aug 10, 5:57 am, Steve Holden [EMAIL PROTECTED] wrote: Justin T. wrote: Hello, The nice thing is that this requires a fairly doable amount of work. First, stackless should be integrated into the core. Then there should be an effort to remove the reliance on the GIL for python

Re: The Future of Python Threading

2007-08-10 Thread brad
brad wrote: This is all anecdotal... threads in Python work great for me. I like Ruby's green threads too, I forgot to mention that Ruby is moving to a GIL over green threads in v2.0 -- http://mail.python.org/mailman/listinfo/python-list

Re: Puzzled by is

2007-08-10 Thread Dick Moores
At 06:13 PM 8/9/2007, Ben Finney wrote: Content-Transfer-Encoding: base64Grzegorz Słodkowicz [EMAIL PROTECTED] [EMAIL PROTECTED] theorisation but I'd rather expect the interpreter simply not to create a second tuple while there already is an identical one. Others have already said that

Re: The Future of Python Threading

2007-08-10 Thread Justin T.
On Aug 10, 2:02 pm, [EMAIL PROTECTED] (Luc Heinrich) wrote: Justin T. [EMAIL PROTECTED] wrote: What these seemingly unrelated thoughts come down to is a perfect opportunity to become THE next generation language. Too late: http://www.erlang.org/ :) -- Luc Heinrich Uh oh, my ulterior

Re: Python Dies on make install

2007-08-10 Thread Jarek Zgoda
fartknuckle napisał(a): When I try to build and install python from source It configures and makes fine but upon 'make install' I always get to this point: Listing /usr/local/lib/python2.5/xml/sax ... Compiling /usr/local/lib/python2.5/xml/sax/__init__.py ... Compiling

Module imports during object instantiation

2007-08-10 Thread Ritesh Raj Sarraf
Hi, I've been very confused about why this doesn't work. I mean I don't see any reason why this has been made not to work. class Log: def __init__(self, verbose, lock = None): if verbose is True: self.VERBOSE = True else: self.VERBOSE = False if lock

Re: The Future of Python Threading

2007-08-10 Thread Bjoern Schliessmann
Nick Craig-Wood wrote: [GIL] That is certainly true. However the point being is that running on 2 CPUs at once at 95% efficiency is much better than running on only 1 at 99%... How do you define this percent efficiency? The truth is that the future (and present reality) of almost every

Re: Module imports during object instantiation

2007-08-10 Thread James Stroud
Ritesh Raj Sarraf wrote: Hi, I've been very confused about why this doesn't work. I mean I don't see any reason why this has been made not to work. class Log: def __init__(self, verbose, lock = None): if verbose is True: self.VERBOSE = True else:

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