Re: [OT] Free software versus software idea patents

Steven D'Aprano wrote: Just like Python, Apache, and the Linux kernel. What are you going to do to punish them? What do you mean 'just like"?They are nothing alike. (which is why the community is upset by sone, but not the others: hint) The punishment? ... withdraw support and use of

Re: [OT] Free software versus software idea patents

Steven D'Aprano wrote: The reason Mono gets hit (from others besides me) is that they are in > partnership and collaboration with Microsoft, consciously and > unconsciously. This must be punished. Just like Python, Apache, and the Linux kernel. What are you going to do to punish them? What d

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Re: fighting game made with python

On Thu, Apr 7, 2011 at 6:51 AM, neil harper wrote: > is there any fighting games(street fighter, mortal kombat, etc) made in > python? I talked to a guy from Blizzard about Python in their games once. He said that not only are most (all?) B

Re: Why is __root checked for in OrderedDict?

On Apr 7, 2:40 pm, andrew cooke wrote: > Is that normal?  I mean, OK, it's possible (and yes I forgot it could be > called directly), but is there any usual reason to do so? It's common for subclasses to call their parent's __init__ method, so that should emulate dict as nearly as possible to he

Re: [OT] Free software versus software idea patents

On Thu, 07 Apr 2011 14:37:27 -0500, harrismh777 wrote: > The reason Mono gets hit (from others besides me) is that they are in > partnership and collaboration with Microsoft, consciously and > unconsciously. This must be punished. Just like Python, Apache, and the Linux kernel. What are you going

Re: multiprocessing

I'm afraid I've not heard of a way of putting more complex objects into shared memory with multiprocessing. That is, not without using a queue along the lines of http://docs.python.org/library/multiprocessing.html#exchanging-objects-between-processes, which isn't quite the same thing. On Thu, Apr

Re: Multiprocessing, shared memory vs. pickled copies

On 8 apr, 02:38, sturlamolden wrote: > I should probably fix it for 64-bit now. Just recompiliong with 64-bit > integers will not work, because I intentionally hardcoded the higher > 32 bits to 0. That was easy, 64-bit support for Windows is done :-) Now I'll just have to fix the Linux code, an

Re: multiprocessing

On Apr 7, 2011, at 8:57 PM, Kerensa McElroy wrote: > > Hi, > > thanks for your response. > > I checked out multiprocessing.value, however from what I can make out, it > works with object of only a very limited type. Is there a way to do this for > more complex objects? (In reality, my object

RE: multiprocessing

Hi, thanks for your response. I checked out multiprocessing.value, however from what I can make out, it works with object of only a very limited type. Is there a way to do this for more complex objects? (In reality, my object is a large multi-dimensional numpy array). Thanks, Elsa. Date: W

Re: Multiprocessing, shared memory vs. pickled copies

On 8 apr, 02:03, sturlamolden wrote: > http://folk.uio.no/sturlamo/python/sharedmem-feb13-2009.zip > Known issues/bugs: 64-bit support is lacking, and os._exit in > multiprocessing causes a memory leak on Linux. I should probably fix it for 64-bit now. Just recompiliong with 64-bit integers will

Re: Multiprocessing, shared memory vs. pickled copies

On 4 apr, 22:20, John Ladasky wrote: > https://bitbucket.org/cleemesser/numpy-sharedmem/src/3fa526d11578/shm... > > I've added a few lines to this code which allows subclassing the > shared memory array, which I need (because my neural net objects are > more than just the array, they also contain

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Related to the above, Is there anything wrong with the following code to replace the *instance* rather than the class dict? It seems very crude, but appears to work. Thanks, Andrew class TupleSuper: def __new__(cls): print('in new') instance = object.__new__(cls)

Re: Multiprocessing, shared memory vs. pickled copies

On 5 apr, 02:05, Robert Kern wrote: > PicklingError: Can't pickle 'multiprocessing.sharedctypes.c_double_Array_10'>: attribute lookup > multiprocessing.sharedctypes.c_double_Array_10 failed Hehe :D That is why programmers should not mess with code they don't understand! Gaël and I wrote shmem

Re: Confused about __prepare__

Yes, I think you're right, thanks. Makes sense from an efficiency POV. Luckily, it turns out I don't need to do that anyway :o) Cheers, Andrew -- http://mail.python.org/mailman/listinfo/python-list

Re: Confused about __prepare__

On Thu, Apr 7, 2011 at 3:31 PM, andrew cooke wrote: > > In the code below I use __prepare__ to change the class dictionary so that a > tuple is stored in __setitem__().  Since __getitem__() removes the tuple I > wasn't expecting any problems, but it seems that __init__ is being retrieved > via

Re: Confused about __prepare__

Sorry I should probably have made clear that this is Python 3.2 -- http://mail.python.org/mailman/listinfo/python-list

Confused about __prepare__

In the code below I use __prepare__ to change the class dictionary so that a tuple is stored in __setitem__(). Since __getitem__() removes the tuple I wasn't expecting any problems, but it seems that __init__ is being retrieved via some other mechanism. Why? Is a copy of the dict being made

Re: Why is __root checked for in OrderedDict?

Is that normal? I mean, OK, it's possible (and yes I forgot it could be called directly), but is there any usual reason to do so? I guess what I'm asking is: if I'm writing library code should I be this careful? (I've written quite a lot of Python code without this ever biting me, but maybe

Re: Literate Programming

On 4/7/11 1:09 PM, Hans Georg Schaathun wrote: Has anyone found a good system for literate programming in python? I have been trying to use pylit/sphinx/pdflatex to generate technical documentation. The application is scientific/numerical programming, so discussing maths in maths syntax in betw

Re: How to program in Python to run system commands in 1000s of servers

Am 07.04.2011 21:14, schrieb Anssi Saari: Chris Angelico writes: Depending on what exactly is needed, it might be easier to run a separate daemon on the computers, one whose sole purpose is to do the task / get the statistics needed and return them. Then the Python script need only collect eac

Re: Spam on the mailing list

On 2011-04-07, Nobody wrote: > On Thu, 07 Apr 2011 01:03:31 +1000, Chris Angelico wrote: > >> I don't know whether it's ironic or in some way Pythonesque, but this >> is the only mailing list that I've seen significant amounts of spam >> on... > > Bear in mind that the mailing list has a bidirecti

Re: Multiprocessing, shared memory vs. pickled copies

On 4/7/11 1:39 PM, John Ladasky wrote: On Apr 7, 10:44 am, Robert Kern wrote: On 4/7/11 1:40 AM, John Ladasky wrote: On Apr 5, 10:43 am, Philip Semanchukwrote: And as Robert Kern pointed out, numpy arrays are also pickle-able. OK, but SUBCLASSES of numpy.ndarray are not, in my hands,

Re: [OT] Free software versus software idea patents

On Fri, Apr 8, 2011 at 2:33 AM, harrismh777 wrote: >    Therein lies *the* problem. The point that gets missed over and over is > that there CAN BE NO PATENT COVERING MATHEMATICS ...  period. > >    Yes, C# and .NET are covered by hundreds of software patents. Its an > insane mess... which must be

Re: [OT] Free software versus software idea patents

Adam Tauno Williams wrote: Please read If you still do not understand why this is a bogus issue then just go away. Good blog--- off the point, but a nice rant none-the-less. = block quote With all this in mind, you

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Re: Why is __root checked for in OrderedDict?

On Apr 7, 4:13 am, andrew cooke wrote: > If you look at the code > inhttp://hg.python.org/cpython/file/6adbf5f3dafb/Lib/collections/__init...the > attribute __root is checked for, and only created if missing.  Why? > > I ask because, from what I understand, the __init__ method will only be > ca

Re: How to program in Python to run system commands in 1000s of servers

Chris Angelico writes: > Depending on what exactly is needed, it might be easier to run a > separate daemon on the computers, one whose sole purpose is to do the > task / get the statistics needed and return them. Then the Python > script need only collect each program's returned response. Those

Re: fighting game made with python

On Thu, Apr 7, 2011 at 11:51 PM, neil harper wrote: > is there any fighting games(street fighter, mortal kombat, etc) made in > python? I'd say there are some around. Depends how good you want them, though, because of the performance issues already mentioned. Someone has done, no kidding, Tetris

Re: Sandboxed Python: memory limits?

On Fri, Apr 8, 2011 at 4:36 AM, David Bolen wrote: > Just wondering, but rather than spending the energy to cap Python's > allocations internally, could similar effort instead be directed at > separating the "other things" the same process is doing?  How tightly > coupled is it?  If you could spli

Re: fighting game made with python

On Thursday, April 7, 2011 9:51:05 AM UTC-4, neil harper wrote: > is there any fighting games(street fighter, mortal kombat, etc) made in > python? I found a 2D pygame (SDL) fighter called "fighter framework", which is basically karate sparring. http://www.pygame.org/project-fighter+framework-1

Re: Multiprocessing, shared memory vs. pickled copies

On Apr 7, 10:44 am, Robert Kern wrote: > On 4/7/11 1:40 AM, John Ladasky wrote: > > > On Apr 5, 10:43 am, Philip Semanchuk  wrote: > >> And as Robert Kern pointed out, numpy arrays are also pickle-able. > > > OK, but SUBCLASSES of numpy.ndarray are not, in my hands, pickling as > > I would expect.

Re: Sandboxed Python: memory limits?

Chris Angelico writes: >So I'm hoping to restrict the script's ability to > consume all of memory, without (preferably) ulimit/rlimiting the > entire process (which does other things as well). But if it can't be, > it can't be. Just wondering, but rather than spending the ene

Re: [OT] Free software versus software idea patents (was: Python benefits over Cobra)

Steven D'Aprano wrote: >Perhaps what you mean is, none of the licences granted are *irrevocable*. >But the same applies to the GPL -- break the GPL's (generous) terms, and >you too could find that your licence is revoked. Actually, you could argue since the GPL doesn't meet the legal definitio

Re: [OT] Free software versus software idea patents

On Thu, 2011-04-07 at 11:50 -0400, Benjamin Kaplan wrote: > On Thu, Apr 7, 2011 at 11:31 AM, harrismh777 wrote: > > Steven D'Aprano wrote: > ...n Mono, which > is an open source implementation of the ECMA-334 and ECMA-335 > standards. The only difference between it and Python is that Python > was

Re: Spam on the mailing list

On Thu, 07 Apr 2011 01:03:31 +1000, Chris Angelico wrote: > I don't know whether it's ironic or in some way Pythonesque, but this > is the only mailing list that I've seen significant amounts of spam > on... Bear in mind that the mailing list has a bidirectional gateway to the comp.lang.python ne

Literate Programming

Has anyone found a good system for literate programming in python? I have been trying to use pylit/sphinx/pdflatex to generate technical documentation. The application is scientific/numerical programming, so discussing maths in maths syntax in between python syntax is important. While I like th

Re: Amazon Simple Queue Service Worker

I'm not sure about what you want to do, but you could check http://www.openstack.org/ web and look for ideas for using with Amazon. 2011/4/7 Joseph Ziegler > Hi all, > > Little new to the python world, please excuse the Noobness. > > We are writing a server which will subscribe to the Amazon Sim

Re: fighting game made with python

On Thu, Apr 7, 2011 at 10:41 AM, Littlefield, Tyler wrote: >>Python would b ea bad choice for most of any fighting game, but >>could see use as a configuration or internal scripting engine. > Python's objects are rather large, which sort of makes for some slow work. > Maybe a configuration setup,

Re: Multiprocessing, shared memory vs. pickled copies

On 4/7/11 1:40 AM, John Ladasky wrote: On Apr 5, 10:43 am, Philip Semanchuk wrote: And as Robert Kern pointed out, numpy arrays are also pickle-able. OK, but SUBCLASSES of numpy.ndarray are not, in my hands, pickling as I would expect. I already have lots of code that is based on such sub

Re: fighting game made with python

>Python would b ea bad choice for most of any fighting game, but >could see use as a configuration or internal scripting engine. Python's objects are rather large, which sort of makes for some slow work. Maybe a configuration setup, but Lua and Angelscript are better suited to high-end games whe

Re: fighting game made with python

On 2011-04-07, harrismh777 wrote: > Littlefield, Tyler wrote: >> >yep, if somebody moves one more thing. there's going to >> >be a fight... >> bitch in your own thread, please? We've already heard you >> complain plenty, no need to take it to other threads too. > > uh, that was humor... li

Re: [OT] Free software versus software idea patents

harrismh777 wrote: > Steven D'Aprano wrote: >>> > At this point Microsoft has absolutely nothing to offer the computer >>> > science community at large except bzillions of euros ( or dollars ) of >>> > wasteful litigation and head-ache. >> Do you have an example of this wasteful litigation? > >

feedparser vs. network errors - something remembers that net was down.

I have an application which uses feedparser (Python 2.6, of course), on a Linux laptop. If the network connection is up at startup, it works fine. If the network connection is down, feedparser reports a network error. That's fine. However, if the network is down, including access to DNS, w

Re: Python and DDE

On Wednesday, April 6, 2011 3:37:34 PM UTC-4, Robert Upton wrote: > Dear Pythoners, > > I am attempting to get the DDE module to import into Python and am > having some trouble. I have downloaded and installed the pywin32 > extensions for Python 2.6, which is the version of python I am running >

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Re: fighting game made with python

Littlefield, Tyler wrote: >yep, if somebody moves one more thing. there's going to be a fight... bitch in your own thread, please? We've already heard you complain plenty, no need to take it to other threads too. uh, that was humor... like, get a sense of... lighten up... sometimes we'r

Re: [OT] Free software versus software idea patents

Steven D'Aprano wrote: In my view, Mono encourages .NET; and that's bad. Idea patents and particularly idea patents covering mathematics Do you have an example of a patent covering mathematics that applies to .NET? Therein lies *the* problem. The point that gets missed over and over is

Re: [OT] Free software versus software idea patents

On Thu, Apr 7, 2011 at 11:31 AM, harrismh777 wrote: > Steven D'Aprano wrote: >> >> Let's reword your concern slightly: >> >> >>     It's difficult to take a claim of “free” seriously for >>     technologies (including, but not limited to, HTML, CSS, C++, >>     XML, Public Key Cryptography, packet

Re: [OT] Free software versus software idea patents

Steven D'Aprano wrote: Let's reword your concern slightly: It's difficult to take a claim of “free” seriously for technologies (including, but not limited to, HTML, CSS, C++, XML, Public Key Cryptography, packet-based multimedia, IPv6) that knowingly or unknowingly [the late

Re: fighting game made with python

>yep, if somebody moves one more thing. there's going to be a fight... bitch in your own thread, please? We've already heard you complain plenty, no need to take it to other threads too. On 4/7/2011 9:10 AM, harrismh777 wrote: neil harper wrote: is there any fighting games(street fighter,

Re: fighting game made with python

neil harper wrote: is there any fighting games(street fighter, mortal kombat, etc) made in python? yep, if somebody moves one more thing. there's going to be a fight... :) -- http://mail.python.org/mailman/listinfo/python-list

Re: How to program in Python to run system commands in 1000s of servers

On Thu, Apr 7, 2011 at 9:27 PM, Anssi Saari wrote: > Roy Smith writes: > >>> We cannot use ssh as root remote connectivity as well. >> >> but with 1000's of servers, I really don't see any alternative to ssh, >> with key authentication.  You don't really propose to type passwords at >> 1000's of

Re: who moved reload?

On Thu, Apr 7, 2011 at 00:45, harrismh777 wrote: > All right... somebody is sacked (er, fired) ! > > Who moved reload()? > > This kinda stuff is driving me bonkers... there was no need to move > reload() anyplace... > > ... so for those of you who haven't found out yet, if you want to reload a >

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Re: Python benefits over Cobra

On Thursday, April 7, 2011 2:43:09 AM UTC-4, Steven D'Aprano wrote: > On Thu, 07 Apr 2011 00:25:46 -0500, harrismh777 wrote: > > > The gnu suite of tools and the linux kernel were the keys to unlocking > > Microsoft lock-in... brilliant technologies for innovation and freedom. > > I used to belie

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is there any fighting games(street fighter, mortal kombat, etc) made in python? -- http://mail.python.org/mailman/listinfo/python-list

Re: Multiprocessing, shared memory vs. pickled copies

On Apr 7, 2011, at 3:41 AM, John Ladasky wrote: > Following up to my own post... > > On Apr 6, 11:40 pm, John Ladasky wrote: > >> What's up with that? > > Apparently, "what's up" is that I will need to implement a third > method in my ndarray subclass -- namely, __reduce__. > > http://www.ma

Re: Behaviour of subprocess.Popen, ssh and nohup I don't understand

Thanks, that explains a lot. Adriaan Renting. >>> On 4/6/2011 at 07:43 PM, Dan Stromberg wrote: > On Wed, Apr 6, 2011 at 12:47 AM, Adriaan Renting wrote: >> >> >> This solves the problem using stdin=open(os.devnull, 'rb') instead of >> stdin=None makes it run even if there is input from stdi

Re: Spam on the mailing list

On Wednesday, April 6, 2011 11:03:31 AM UTC-4, Chris Angelico wrote: > I don't know whether it's ironic or in some way Pythonesque, but this > is the only mailing list that I've seen significant amounts of spam > on... My impression is that there is much more spam on comp.lang.python than on the

Re: Incompatible _sqlite3.so

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Re: How to program in Python to run system commands in 1000s of servers

Roy Smith writes: > I'm not sure how to parse: >> We cannot use ssh as root remote connectivity as well. > > but with 1000's of servers, I really don't see any alternative to ssh, > with key authentication. You don't really propose to type passwords at > 1000's of machines, do you? I guess i

Why is __root checked for in OrderedDict?

If you look at the code in http://hg.python.org/cpython/file/6adbf5f3dafb/Lib/collections/__init__.py#l49 the attribute __root is checked for, and only created if missing. Why? I ask because, from what I understand, the __init__ method will only be called when the object is first being created

Re: Free software versus software idea patents (was: Python benefits over Cobra)

On Apr 7, 7:17 pm, Chris Angelico wrote: > On Thu, Apr 7, 2011 at 5:39 PM, Steven D'Aprano > > wrote: > > Do you want to know who scares me? Google and Apple. Google, because > > they're turning software from something you run on your own computer to > > something you use on a distant server you

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All right... somebody is sacked (er, fired) ! Who moved reload()? This kinda stuff is driving me bonkers... there was no need to move reload() anyplace... ... so for those of you who haven't found out yet, if you want to reload a module in 3.x you have to import reload() first from module '

Spam on the mailing list

I don't know whether it's ironic or in some way Pythonesque, but this is the only mailing list that I've seen significant amounts of spam on... Maybe spam filters have trouble distinguishing between Monty Python and unsolicited commercial email? Chris Angelico Somewhat amused -- http://mail.pyth

Re: Trapping the segfault of a subprocess.Popen

On Apr 7, 5:12 am, Terry Reedy wrote: > On 4/6/2011 7:58 PM, Nobody wrote: > > > On Wed, 06 Apr 2011 02:20:22 -0700, Pierre GM wrote: > > >> I need to run a third-party binary from a python script and retrieve > >> its output (and its error messages). I use something like > > process = subproc

Re: Trapping the segfault of a subprocess.Popen

On Apr 7, 1:58 am, Nobody wrote: > On Wed, 06 Apr 2011 02:20:22 -0700, Pierre GM wrote: > > I need to run a third-party binary from a python script and retrieve > > its output (and its error messages). I use something like > process = subprocess.Popen(options, stdout=subprocess.PIPE, > > stde

How to use optparse without the command line?

Hello, Is there support/idioms/suggestions for using optparse without a command line? I have a code which used to be called through subprocess. The whole flow of the code is based on what 'options' object from optparse contains. Now I want to call this code without subprocessing. What I did firs

Re: [OT] Free software versus software idea patents (was: Python benefits over Cobra)

On Thu, Apr 7, 2011 at 5:39 PM, Steven D'Aprano wrote: > Do you want to know who scares me? Google and Apple. Google, because > they're turning software from something you run on your own computer to > something you use on a distant server you have no control over. And > Apple, because they're tur

Re: Sandboxed Python: memory limits?

Am 07.04.2011 02:06, schrieb Chris Angelico: > On Thu, Apr 7, 2011 at 6:38 AM, Martin v. Loewis wrote: >> You can adjust the implementations of PyMem_Malloc and PyObject_Malloc. >> This would catch many allocations, but not all of them. If you adjust >> PyMem_MALLOC instead of PyMem_Malloc, you ca

Re: Multiprocessing, shared memory vs. pickled copies

Following up to my own post... On Apr 6, 11:40 pm, John Ladasky wrote: > What's up with that? Apparently, "what's up" is that I will need to implement a third method in my ndarray subclass -- namely, __reduce__. http://www.mail-archive.com/numpy-discussion@scipy.org/msg02446.html I'm burned o

Re: [OT] Free software versus software idea patents (was: Python benefits over Cobra)

On Thu, 07 Apr 2011 07:50:56 +1000, Ben Finney wrote: > Steven D'Aprano writes: > >> Mono is free, open source software that is compatible with .NET > […] > > It's difficult to take a claim of “free” seriously for a technology > (Mono) that knowingly implements techniques (the “C#” language, th

Re: [OT] Free software versus software idea patents

On Thu, 07 Apr 2011 00:03:54 -0500, harrismh777 wrote: > Ben Finney wrote: >> It's difficult to take a claim of “free” seriously for a technology >> (Mono) that knowingly implements techniques (the “C#” language, the >> “.NET” platform, etc.) covered by specific idea patents held by an >> entity t

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Re: python 3 - instantiating class from user input

On Wed, 06 Apr 2011 21:04:44 -0700, Brad Bailey wrote: > I dont understand why this is such a big deal. Nor do i understand why > google can't find a reasonable answer. If one can't figure out from the > title what I'm trying to do, then a look at code should firmly plant the > intent. The general