Re: returning index of minimum in a list of lists

2006-06-21 Thread [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote: > Hi all, > Is there a simple python function to return the list index of the > minimum entry in a list of lists? > ie, for [[3,3,3,3], [3,3,3,1], [3,3,3,3]] to return 2,4. > Or, same question but just for a list of numbers, not a list of lists. > Thanks, > Josh In you

'module' object has no attribute 'ssl'

2006-06-21 Thread Niurka Perez
Hi, I have Red Hat Linux 3.2.3-54 and Python 2.4.3 (the original version downloaded from python.org) and I'm using httplib to make a request to an external server, this is the code I'm using: import httplib https = httplib.HTTPSConnection('216.220.59.211', 7989) https.debuglevel = 1 body = build

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread David Hopwood
Chris Uppal wrote: > It's worth noting, too, that (in some sense) the type of an object can change > over time[*]. That can be handled readily (if not perfectly) in the informal > internal type system(s) which programmers run in their heads (pace the very > sensible post by Anton van Straaten toda

Re: memory error with zipfile module

2006-06-21 Thread Fredrik Lundh
Hari Sekhon wrote: > Is it me or is having to use os.system() all the time symtomatic of a > deficiency/things which are missing from python as a language? it's you. -- http://mail.python.org/mailman/listinfo/python-list

Re: returning index of minimum in a list of lists

2006-06-21 Thread Maric Michaud
Le Mercredi 21 Juin 2006 16:54, [EMAIL PROTECTED] a écrit : > Hi all, > Is there a simple python function to return the list index of the > minimum entry in a list of lists? > ie, for [[3,3,3,3], [3,3,3,1], [3,3,3,3]] to return 2,4. > Or, same question but just for a list of numbers, not a list

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Dr.Ruud
Marshall schreef: > "dynamic types." I don't have a firm definition for > that term, but my working model is runtime type tags. In which > case, I would say that among statically typed languages, > Java does have dynamic types, but C does not. C++ is > somewhere in the middle. C has union. -- A

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Joachim Durchholz
Andreas Rossberg schrieb: > Chris Uppal wrote: > >> It's worth noting, too, that (in some sense) the type of an object can >> change over time[*]. > > No. Since a type expresses invariants, this is precisely what may *not* > happen. No. A type is a set of allowable values, allowable operations

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Nice post! One question: Anton van Straaten wrote: > > 3. A really natural term to refer to types which programmers reason > about, even if they are not statically checked, is "latent types". It > captures the situation very well intuitively, and it has plenty of > precedent -- e.g. it's mention

Re: memory error with zipfile module

2006-06-21 Thread Hari Sekhon
Fredrik Lundh wrote: Hari Sekhon wrote: Is it me or is having to use os.system() all the time symtomatic of a deficiency/things which are missing from python as a language? it's you. I take it that it's still a work in progress to be able to pythonify everything

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Torben Ægidius Mogensen wrote: > > That's not true. ML has variables in the mathematical sense of > variables -- symbols that can be associated with different values at > different times. What it doesn't have is mutable variables (though it > can get the effect of those by having variables be imm

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Darren New
Chris Uppal wrote: > doesn't fit with my intuitions very well -- most noticeably in that the sets > are generally unbounded Errr, not in Ada. Indeed, not in any machine I know of with a limited address space. Andreas Rossberg wrote: > Indeed, this view is much too narrow. In particular, it can

RELEASED Python 2.5 (beta 1)

2006-06-21 Thread Anthony Baxter
On behalf of the Python development team and the Python community, I'm happy to announce the first BETA release of Python 2.5. This is an *beta* release of Python 2.5. As such, it is not suitable for a production environment. It is being released to solicit feedback and hopefully discover bugs,

Re: memory error with zipfile module

2006-06-21 Thread Fredrik Lundh
Hari Sekhon wrote: > I take it that it's still a work in progress to be able to pythonify > everything, and until then we're just gonna have to rely on shell and > those great C coded coreutils and stuff like that. Ok, I'm rather fond > of Bash+coreutils, highest ratio of code lines to work I'v

Re: returning index of minimum in a list of lists

2006-06-21 Thread forman . simon
[EMAIL PROTECTED] wrote: > Hi all, > Is there a simple python function to return the list index of the > minimum entry in a list of lists? > ie, for [[3,3,3,3], [3,3,3,1], [3,3,3,3]] to return 2,4. > Or, same question but just for a list of numbers, not a list of lists. > Thanks, > Josh One way

'import site' failed; use -v for traceback

2006-06-21 Thread huwjeffries
Hi There, I've installed python2.4-dev on Unbuntu linux. When I run it, it gives an error: 'import site' failed; use -v for traceback (Get the same result if I uninstall it and install regular python2.4). Using -v traceback gives: 'import site' failed; traceback: ImportError: No module named s

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Matthias Blume
"Marshall" <[EMAIL PROTECTED]> writes: > Torben Ægidius Mogensen wrote: >> >> That's not true. ML has variables in the mathematical sense of >> variables -- symbols that can be associated with different values at >> different times. What it doesn't have is mutable variables (though it >> can get

Re: Python is fun (useless social thread) ;-)

2006-06-21 Thread AdSR
John Salerno wrote: > Did you have to learn it for a job? No, although it became useful once I learnt it. > Or did you just like what you saw and decided to learn it for fun? I saw Bruce Eckel mention it in "Thinking in Java, 2nd ed." as "something that was slowly becoming his favorite programmi

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Matthias Blume
Darren New <[EMAIL PROTECTED]> writes: > [ ... ] As far as I know, LOTOS is the only > language that *actually* uses abstract data types - you have to use > the equivalent of #include to bring in the integers, for > example. Everything else uses informal rules to say how types work. There are *to

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Rob Thorpe
Matthias Blume wrote: > "Rob Thorpe" <[EMAIL PROTECTED]> writes: > > >> >> > No it doesn't. Casting reinterprets a value of one type as a value of > >> >> > another type. > >> >> > There is a difference. If I cast an unsigned integer 20 to a > >> >> > signed integer in C on the machine I'm

Re: memory error with zipfile module

2006-06-21 Thread Hari Sekhon
Fredrik Lundh wrote: Hari Sekhon wrote: I take it that it's still a work in progress to be able to pythonify everything, and until then we're just gonna have to rely on shell and those great C coded coreutils and stuff like that. Ok, I'm rather fond of Bash+coreutils, highest r

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Andreas Rossberg
Marshall wrote: > > While we're on the topic of terminology, here's a pet peeve of > mine: "immutable variable." > > immutable = can't change > vary-able = can change > > Clearly a contradiction in terms. > > If you have a named value that cannot be updated, it makes > no sense to call it "vari

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Andreas Rossberg
Joachim Durchholz wrote: >> >>> It's worth noting, too, that (in some sense) the type of an object >>> can change over time[*]. >> >> No. Since a type expresses invariants, this is precisely what may >> *not* happen. > > No. A type is a set of allowable values, allowable operations, and > const

Re: returning index of minimum in a list of lists

2006-06-21 Thread [EMAIL PROTECTED]
Thanks so much for your help. I was wondering if there was anything even simpler, but this will be great. [EMAIL PROTECTED] wrote: > [EMAIL PROTECTED] wrote: > > Hi all, > > Is there a simple python function to return the list index of the > > minimum entry in a list of lists? > > ie, for [[3,3

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Rob Thorpe
David Hopwood wrote: > Rob Thorpe wrote: > > Matthias Blume wrote: > >>"Rob Thorpe" <[EMAIL PROTECTED]> writes: > >> > >>>I think we're discussing this at cross-purposes. In a language like C > >>>or another statically typed language there is no information passed > >>>with values indicating their

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Vesa Karvonen
In comp.lang.functional Anton van Straaten <[EMAIL PROTECTED]> wrote: [...] This static vs dynamic type thing reminds me of one article written by Bjarne Stroustrup where he notes that "Object-Oriented" has become a synonym for "good". More precisely, it seems to me that both camps (static & dyna

Re: How to override the doc of an object instance.

2006-06-21 Thread David Huard
Paul, Although your solution works for the class itself, it doesn't for class attributes, since they point to built-ins whose attributes are read-only. >>> w.x.__doc__ = widget.x.__doc__ AttributeError: 'int' object attribute '__doc__' is read-only Would the solution be to build a new type and

Re: 'import site' failed; use -v for traceback

2006-06-21 Thread Fredrik Lundh
[EMAIL PROTECTED] wrote: > Hi There, > > I've installed python2.4-dev on Unbuntu linux. When I run it, it gives > an error: > > 'import site' failed; use -v for traceback > > (Get the same result if I uninstall it and install regular python2.4). > > Using -v traceback gives: > > 'import site'

Re: 'module' object has no attribute 'ssl'

2006-06-21 Thread Daniel Dittmar
Niurka Perez wrote: > ssl = socket.ssl(sock, self.key_file, > self.cert_file) > AttributeError: 'module' object has no attribute 'ssl' The socket module failed to import the _ssl module. And the ssl function gets only defined if _ssl could be imported. You probably haven't installed the Open

Re: returning index of minimum in a list of lists

2006-06-21 Thread Steven Bethard
[EMAIL PROTECTED] wrote: > Is there a simple python function to return the list index of the > minimum entry in a list of lists? > ie, for [[3,3,3,3], [3,3,3,1], [3,3,3,3]] to return 2,4. > Or, same question but just for a list of numbers, not a list of lists. In Python 2.5: Python 2.5a2 (trun

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Dimitri Maziuk
George Neuner sez: > On Mon, 19 Jun 2006 22:02:55 + (UTC), Dimitri Maziuk ><[EMAIL PROTECTED]> wrote: > >>Yet Another Dan sez: >> >>... Requiring an array index to be an integer is considered a typing >>> problem because it can be checked based on only the variable itself, >>> whereas checkin

Porting python to a TI Processor (C64xx)

2006-06-21 Thread Roland Geibel
Dear all. We want to make python run on DSP processors (C64xx family of TI). I've already tried to ask [EMAIL PROTECTED] (about his "Python for arm-Linux"), but didn't get an answer so far. Neither could I find it in the Python tree at sourceforge. Any hints welcome Roland Geibel [EMAIL PROT

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Rob Thorpe
Rob Thorpe wrote: > Chris Smith wrote: > > Torben Ægidius Mogensen <[EMAIL PROTECTED]> wrote: > > > That's not really the difference between static and dynamic typing. > > > Static typing means that there exist a typing at compile-time that > > > guarantess against run-time type violations. Dynami

Re: How to override the doc of an object instance.

2006-06-21 Thread David Huard
On Wed, 21 Jun 2006 17:15:16 +0200, Maric Michaud wrote: > > In [53]: class a(object) : >: x=property(lambda s: 0, doc='my doc string') >: >: > > In [54]: b=a() > > In [55]: help(b) I agree it works, but for a class with tens of attributes, this is not very practical

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Andreas Rossberg
Darren New wrote: > > As far as I know, LOTOS is the only > language that *actually* uses abstract data types Maybe I don't understand what you mean with ADT here, but all languages with a decent module system support ADTs in the sense it is usually understood, see ML for a primary example. Cl

Re: OS specific command in Python

2006-06-21 Thread 3c273
"Avell Diroll" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > ##Python Script : > from subprocess import Popen > p1 = Popen(["dmesg"], stdout=PIPE) > p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE) > output = p2.communicate()[0] I was just trying to learn how to use .commu

Re: memory error with zipfile module

2006-06-21 Thread Fredrik Lundh
Hari Sekhon wrote: > I've seen people using everything from zip to touch, either out of > laziness or out of the fact it wouldn't work very well in python, this > zip case is a good example. so based on a limitation in one library, and some random code you've seen on the internet, you're makin

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Vesa Karvonen
In comp.lang.functional Andreas Rossberg <[EMAIL PROTECTED]> wrote: > Darren New wrote: [...] > > Indeed, the ability to declare a new type that has the exact same > > underlying representation and isomorphically identical operations but > > not be the same type is something I find myself often m

Update on Memory problem with NumPy arrays

2006-06-21 Thread sonjaa
Hi last week I posted a problem with running out of memory when changing values in NumPy arrays. Since then I have tried many different approaches and work-arounds but to no avail. I was able to reduce the code (see below) to its smallest size and still have the problem, albeit at a slower rate.

Re: returning index of minimum in a list of lists

2006-06-21 Thread jwelby
def minIndexFinder(seq): mins = [] listIndex = 0 result = [] for item in seq: mins.append([listIndex,min(item),item.index(min(item))]) listIndex += 1 lowest = min([x[1] for x in mins]) for item in mins:

Re: returning index of minimum in a list of lists

2006-06-21 Thread Steven Bethard
[EMAIL PROTECTED] wrote: > [EMAIL PROTECTED] wrote: >> Is there a simple python function to return the list index of the >> minimum entry in a list of lists? >> ie, for [[3,3,3,3], [3,3,3,1], [3,3,3,3]] to return 2,4. >> Or, same question but just for a list of numbers, not a list of lists. > >

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Rob Thorpe
Vesa Karvonen wrote: > In comp.lang.functional Anton van Straaten <[EMAIL PROTECTED]> wrote: > > Let me add another complex subtlety, then: the above description misses > > an important point, which is that *automated* type checking is not the > > whole story. I.e. that compile time/runtime distin

[newbie] Iterating a list in reverse ?

2006-06-21 Thread Andy Dingley <[EMAIL PROTECTED]>
Python newbie: I've got this simple task working (in about ten different ways), but I'm looking for the "favoured" and "most Python like" way. Forwards I can do this for t in listOfThings: print t Now how do I do it in reverse? In particular, how might I do it if I only wanted to iterate p

Re: need all python dialog equivalent

2006-06-21 Thread Eric S. Johansson
Fredrik Lundh wrote: > Eric S. Johansson wrote: > http://excess.org/urwid/ ? I just found that about an hour ago. the demos work on the target system so I'm comfortable enough to go down that path. thank you all. ---eric -- http://mail.python.org/mailman/listinfo/python-list

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Andreas Rossberg
Vesa Karvonen wrote: > >>>Indeed, the ability to declare a new type that has the exact same >>>underlying representation and isomorphically identical operations but >>>not be the same type is something I find myself often missing in >>>languages. It's nice to be able to say "this integer repres

Re: How to override the doc of an object instance.

2006-06-21 Thread Bruno Desthuilliers
David Huard wrote: (snip) > Has this problem come up before ? > It seems that with the new classes, this > kind of wish will generalize, AFAIK, there's no (and never have been) docstrings for non-callable attributes of a class or module. And properties are non-callable attributes. > or is it a b

Re: [newbie] Iterating a list in reverse ?

2006-06-21 Thread Tim Chase
> Python newbie: I've got this simple task working (in about ten > different ways), but I'm looking for the "favoured" and "most Python > like" way. > > Forwards I can do this > for t in listOfThings: > print t > > Now how do I do it in reverse? Then general process would be to use the r

Re: [newbie] Iterating a list in reverse ?

2006-06-21 Thread Fredrik Lundh
Andy Dingley <[EMAIL PROTECTED]> wrote: > Python newbie: I've got this simple task working (in about ten > different ways), but I'm looking for the "favoured" and "most Python > like" way. > > Forwards I can do this > for t in listOfThings: > print t > > Now how do I do it in reverse? In

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Darren New
Matthias Blume wrote: > There are *tons* of languages that "actually" facilitate abstract data > types, and some of these languages are actually used by real people. I don't know of any others in actual use. Could you name a couple? Note that I don't consider things like usual OO languages (Eiffe

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Darren New
Andreas Rossberg wrote: > Maybe I don't understand what you mean with ADT here, but all languages > with a decent module system support ADTs in the sense it is usually > understood, see ML for a primary example. OK. Maybe some things like ML and Haskell and such that I'm not intimately familia

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread David Hopwood
Marshall wrote: > Torben Ægidius Mogensen wrote: > >>That's not true. ML has variables in the mathematical sense of >>variables -- symbols that can be associated with different values at >>different times. What it doesn't have is mutable variables (though it >>can get the effect of those by havi

Re: How to override the doc of an object instance.

2006-06-21 Thread Maric Michaud
Le Mercredi 21 Juin 2006 17:00, Paul McGuire a écrit : > No need to, just assign your special docstrings to w.x.__doc__, and print > w.x.__doc__.  Instances that have special docstrings will print their > instance-specific versions; instances without instance-specific docstrings > will print the cl

Re: Iterating a list in reverse ?

2006-06-21 Thread Luis M. González
Andy Dingley <[EMAIL PROTECTED]> wrote: > Python newbie: I've got this simple task working (in about ten > different ways), but I'm looking for the "favoured" and "most Python > like" way. > > Forwards I can do this > for t in listOfThings: > print t > > Now how do I do it in reverse? In pa

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Rob Thorpe
Dr.Ruud wrote: > Marshall schreef: > > > "dynamic types." I don't have a firm definition for > > that term, but my working model is runtime type tags. In which > > case, I would say that among statically typed languages, > > Java does have dynamic types, but C does not. C++ is > > somewhere in the

Re: help() on stdout.closed

2006-06-21 Thread Nick Craig-Wood
Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > In <[EMAIL PROTECTED]>, Pekka Karjalainen wrote: > > > Suppose I had no idea what sys.stdout.closed was and wanted to find out. > > Where would I look it up? > > `sys.stdout` is a file (like) object: > > http://docs.python.org/lib/bltin-f

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Andreas Rossberg
Darren New wrote: > >> Maybe I don't understand what you mean with ADT here, but all >> languages with a decent module system support ADTs in the sense it is >> usually understood, see ML for a primary example. > > OK. Maybe some things like ML and Haskell and such that I'm not > intimately f

Re: How to truncate/round-off decimal numbers?

2006-06-21 Thread Scott David Daniels
Nick Maclaren wrote: (of fixed point) > I am (just) old enough to remember when it was used for > numeric work, and to have used it for that myself, but not old enough > to have done any numeric work using fixed-point hardware. You are using fixed point hardware today. Fixed point tracked t

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Darren New
Andreas Rossberg wrote: > AFAICT, ADT describes a type whose values can only be accessed by a > certain fixed set of operations. No. AFAIU, an ADT defines the type based on the operations. The stack holding the integers 1 and 2 is the value (push(2, push(1, empty(. There's no "internal" re

Re: How to truncate/round-off decimal numbers?

2006-06-21 Thread Nick Maclaren
In article <[EMAIL PROTECTED]>, Scott David Daniels <[EMAIL PROTECTED]> writes: |> Nick Maclaren wrote: (of fixed point) |> > I am (just) old enough to remember when it was used for |> > numeric work, and to have used it for that myself, but not old enough |> > to have done any numeric work

Re: Iterating a list in reverse ?

2006-06-21 Thread Andy Dingley <[EMAIL PROTECTED]>
Fredrik Lundh wrote: > for item in reversed(listOfThings): Thanks! I was staring so hard at reverse() that I'd completely missed reversed() I think I prefer this to listOfThings[::-1]: as it's a little more readable. Not that I'm reacting to past bad experience of Perl, you understand 8-) --

Re: How to override the doc of an object instance.

2006-06-21 Thread David Huard
It works ! Wow. Thanks a lot. If you don't mind, I'll post your code to the ipython list so it can be reused. David -- http://mail.python.org/mailman/listinfo/python-list

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Dr.Ruud
Rob Thorpe schreef: > Dr.Ruud: >> Marshall: >>> "dynamic types." I don't have a firm definition for >>> that term, but my working model is runtime type tags. In which >>> case, I would say that among statically typed languages, >>> Java does have dynamic types, but C does not. C++ is >>> somewhere

Vancouver Python Conference: T-Shirt design contest

2006-06-21 Thread Brian Quinlan
The Vancouver Python Workshop organizers are having problems coming up with text for our T-Shirts (don't worry: we already have the graphics figured out). We want something that matches Python's simplicity and elegance. So we're asking for your help. If you submit the text that we end up using

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Chris Smith
Joachim Durchholz <[EMAIL PROTECTED]> wrote: > Assume a language that > a) defines that a program is "type-correct" iff HM inference establishes > that there are no type errors > b) compiles a type-incorrect program anyway, with an establishes > rigorous semantics for such programs (e.g. by throw

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Chris Smith
Marshall <[EMAIL PROTECTED]> wrote: > I think what this highlights is the fact that our existing terminology > is not up to the task of representing all the possible design > choices we could make. Some parts of dynamic vs. static > a mutually exclusive; some parts are orthogonal. Really? I can s

Re: Initializing a set from a list

2006-06-21 Thread Robert Kern
Xiaolei wrote: > Sybren Stuvel wrote: > >>Xiaolei enlightened us with: >> >>>from pylab import * >> >>You'd better not do that. Just use "import pylab". >> >>>If I remove the first line, I correctly get: >>> >>>[1, 2, 3, 3] >>> >>>set([1, 2, 3]) >> >>Pylab shadows the built-in set name, which is o

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Joe Marshall
Marshall wrote: > > That's really coming home to me in this thread: the terminology is *so* > bad. I have noticed this previously in the differences between > structural > and nominal typing; many typing issues associated with this distinction > are falsely labeled as a static-vs-dynamic issues, s

Help with deprecation-wrapper code

2006-06-21 Thread David Hirschfield
I have a deprecation-wrapper that allows me to do this: def oldFunc(x,y): ... def newFunc(x,y): ... oldFunc = deprecated(oldFunc, newFunc) It basically wraps the definition of "oldFunc" with a DeprecationWarning and some extra messages for code maintainers, and also prompts them t

Re: Update on Memory problem with NumPy arrays

2006-06-21 Thread Robert Kern
sonjaa wrote: > Hi > > last week I posted a problem with running out of memory when changing > values in NumPy arrays. Since then I have tried many different > approaches and > work-arounds but to no avail. > > I was able to reduce the code (see below) to its smallest size and > still > have the

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Andreas Rossberg wrote: > Chris Uppal wrote: > > > > I have never been very happy with relating type to sets of values (objects, > > whatever). > > Indeed, this view is much too narrow. In particular, it cannot explain > abstract types, which is *the* central aspect of decent type systems. What pr

What is a type error?

2006-06-21 Thread David Hopwood
Chris Uppal wrote: > David Hopwood wrote: > >> When people talk about "types" being associated with values in a "latently >> typed" >> or "dynamically typed" language, they really mean *tag*, not type. > > I don't think that's true. Maybe /some/ people do confuse the two, but I am > certainly a

Re: Porting python to a TI Processor (C64xx)

2006-06-21 Thread Serge Orlov
On 6/21/06, Roland Geibel <[EMAIL PROTECTED]> wrote: Dear all.We want to make python run on DSP processors (C64xx family of TI).I don't know what C64xx is, but I believe python needs general purpose CPU to run I've already tried to ask [EMAIL PROTECTED] (about his "Python forarm-Linux"),but didn't

Re: Update on Memory problem with NumPy arrays

2006-06-21 Thread Fredrik Lundh
sonjaa wrote: > Also, are there other python methods/extensions that can create > multi-deminsional arrays? if this example is typical for the code you're writing, you might as well use nested Python lists: def make_array(width, height, value): out = [] for y in range(hei

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Dr.Ruud wrote: > Marshall schreef: > > > "dynamic types." I don't have a firm definition for > > that term, but my working model is runtime type tags. In which > > case, I would say that among statically typed languages, > > Java does have dynamic types, but C does not. C++ is > > somewhere in the

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Matthias Blume wrote: > "Marshall" <[EMAIL PROTECTED]> writes: > > > Torben Ægidius Mogensen wrote: > >> > >> That's not true. ML has variables in the mathematical sense of > >> variables -- symbols that can be associated with different values at > >> different times. What it doesn't have is muta

Re: Update on Memory problem with NumPy arrays

2006-06-21 Thread Filip Wasilewski
sonjaa wrote: > Hi > > last week I posted a problem with running out of memory when changing > values in NumPy arrays. Since then I have tried many different > approaches and > work-arounds but to no avail. [...] Based on the numpy-discussion this seems to be fixed in the SVN now(?). Anyway, you

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Marshall
Chris Smith wrote: > Marshall <[EMAIL PROTECTED]> wrote: > > I think what this highlights is the fact that our existing terminology > > is not up to the task of representing all the possible design > > choices we could make. Some parts of dynamic vs. static > > a mutually exclusive; some parts are

Re: OS specific command in Python

2006-06-21 Thread Avell Diroll
[EMAIL PROTECTED] wrote: > I have a question on getpass. Since I am a newbie you might find it a > little dumb. > > By using the getpass, are u trying to retrieve the username and > password of remote mahcine or local ? > the module getpass contains 2 functions, getuser() and getpass() : getuse

Re: Update on Memory problem with NumPy arrays

2006-06-21 Thread sonjaa
I've been in contact with Travis O, and he said it was fixed in the SVN. thanks for the suggestions, I'll try them out now. best Sonja Filip Wasilewski wrote: > sonjaa wrote: > > Hi > > > > last week I posted a problem with running out of memory when changing > > values in NumPy arrays. Since th

Re: OS specific command in Python

2006-06-21 Thread Avell Diroll
3c273 wrote: > I was just trying to learn how to use .communicate() and all of the examples > I see have [0] after .communicate(). What is the significance of the [0]? From the Python Library Reference (http://docs.python.org/lib/node239.html), you learn that the method communicate() from the

tkMessagebox.askyesno always returns False

2006-06-21 Thread peter
I have a weird problem in some code I am writing. The user selects a number of files from a list and then can select an option which will rename the selected files. Before the process starts, a yes/no dialog box pops up just to confirm. Most of the time this works fine, but occasionally it seem

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread George Neuner
On Wed, 21 Jun 2006 16:12:48 + (UTC), Dimitri Maziuk <[EMAIL PROTECTED]> wrote: >George Neuner sez: >> On Mon, 19 Jun 2006 22:02:55 + (UTC), Dimitri Maziuk >><[EMAIL PROTECTED]> wrote: >> >>>Yet Another Dan sez: >>> >>>... Requiring an array index to be an integer is considered a typing >

wx.Yield() during socket timeout

2006-06-21 Thread Kiran
Hello All, I am creating a socket connection in order to read and write to a location. My problem is,the gui becomes unresponsive if the socket times out. I know that a good solution is to have the socket read and write with a thread. However, I have tried this and have a problem where ONLY o

random.jumpahead: How to jump ahead exactly N steps?

2006-06-21 Thread Matthew Wilson
The random.jumpahead documentation says this: Changed in version 2.3: Instead of jumping to a specific state, n steps ahead, jumpahead(n) jumps to another state likely to be separated by many steps.. I really want a way to get to the Nth value in a random series started with a particu

Re: OS specific command in Python

2006-06-21 Thread Avell Diroll
[EMAIL PROTECTED] wrote: (snip) > I have a linux box, from where I remotely execute all the commands. The > remote machine is windows machine. I installed an OpenSSH server for > windows to send the shutdown command. I setup the public keys in such a > way that I could login to SSH server without u

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread David Hopwood
Rob Thorpe wrote: > Vesa Karvonen wrote: > >>In comp.lang.functional Anton van Straaten <[EMAIL PROTECTED]> wrote: >> >>>Let me add another complex subtlety, then: the above description misses >>>an important point, which is that *automated* type checking is not the >>>whole story. I.e. that comp

Re: returning index of minimum in a list of lists

2006-06-21 Thread Bas
[EMAIL PROTECTED] wrote: > Thanks so much for your help. I was wondering if there was anything > even simpler, but this will be great. >>> from numpy import * >>> a=array([[3,3,3,3], [3,3,3,1], [3,3,3,3]]) >>> where(a==a.min()) (array([1]), array([3])) Probably overkill for your simple problem,

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Greg Buchholz
George Neuner wrote: > You can't totally prevent it ... if the index computation involves > types having a wider range, frequently the solution is to compute a > wide index value and then narrow it. But if the wider value is out of > range for the narrow type you have a problem. > ...snip... > > T

Re: What is Expressiveness in a Computer Language

2006-06-21 Thread Chris F Clark
Chris F Clark schrieb: > In that sense, a static type system is eliminating tags, because the > information is pre-computed and not explicitly stored as a part of the > computation. Now, you may not view the tag as being there, but in my > mind if there exists a way of perfoming the computation th

Is it possible to split a class definition?

2006-06-21 Thread jerry . levan
Hi, Is it possible to split a Class definition over two or more text files? (if so, how:) Jerry -- http://mail.python.org/mailman/listinfo/python-list

Re: Is it possible to split a class definition?

2006-06-21 Thread Lawrence Oluyede
<[EMAIL PROTECTED]> wrote: > Is it possible to split a Class definition over two or more text files? > (if so, how:) There's no partial types like in .NET 2.0 but since Python is dynamic you can add members at runtime :-) -- Lawrence - http://www.oluyede.org/blog "Nothing is more dangerous than

ANN (Screencast): Using python at WebFaction

2006-06-21 Thread remi
Hello everyone, WebFaction (formerly Python-Hosting.com) have just released a screencast demo of their control panel. The 6 minute demo shows how you can setup some sites in a few clicks, using a variety of applications (including some Python ones such as Django and TurboGears). The one-click in

SendKeys for mac?

2006-06-21 Thread nate
does anyone know if there is a way to inject keyboard events to a mac similar to the way SendKeys works for a windows machine? (Can you point me at it?) thanks, n -- http://mail.python.org/mailman/listinfo/python-list

Re: random.jumpahead: How to jump ahead exactly N steps?

2006-06-21 Thread Tim Peters
[Matthew Wilson] > The random.jumpahead documentation says this: > > Changed in version 2.3: Instead of jumping to a specific state, n steps > ahead, jumpahead(n) jumps to another state likely to be separated by > many steps.. > > I really want a way to get to the Nth value in a random

Kamaelia 0.4.0 RELEASED - Faster! More Tools! More Examples! More Docs! ; -)

2006-06-21 Thread Michael
Hi! (OK, slightly silly subject line :) I'm extremely pleased to say - Kamaelia 0.4.0 has been released! What's New & Changed? = Kamaelia 0.4.0 is a consolidation, documentation and optimisation enhanced release. Whilst there are a wide variety of new components, existing f

ANN: Axon 1.5.0 RELEASED!

2006-06-21 Thread Michael
Hi! I'm extremely pleased to say - Axon 1.5.0 has been released! Axon is Kamaelia's core concurrency system, largely based around python generators to enable components to be built following a slightly updated paraphrasing of Unix Philosophy: """Write components that do one thing and do it wel

Re: tkMessagebox.askyesno always returns False

2006-06-21 Thread James Stroud
peter wrote: > I have a weird problem in some code I am writing. The user selects a > number of files from a list and then can select an option which will > rename the selected files. Before the process starts, a yes/no dialog > box pops up just to confirm. > > Most of the time this works fine,

Re: random.jumpahead: How to jump ahead exactly N steps?

2006-06-21 Thread Ben Cartwright
Matthew Wilson wrote: > The random.jumpahead documentation says this: > > Changed in version 2.3: Instead of jumping to a specific state, n steps > ahead, jumpahead(n) jumps to another state likely to be separated by > many steps.. This change was necessary because the random module go

Re: Is it possible to split a class definition?

2006-06-21 Thread Diez B. Roggisch
[EMAIL PROTECTED] schrieb: > Hi, > > Is it possible to split a Class definition over two or more text files? > (if so, how:) Not in that sense. But if you must, you can use several classes and then a resulting class that inherits from all of these. Diez -- http://mail.python.org/mailman/listi

Python at compile - possible to add to PYTHONPATH

2006-06-21 Thread rh0dium
Hi all, Can anyone help me out. I would like to have python automatically look in a path for modules similar to editing the PYTHONPATH but do it at compile time so every user doesn't have to do this.. Soo... I want to add /foo/bar to the PYTHONPATH build so I don't have to add it later on. Is

Question regarding commit/backout of a message using the pymqi module

2006-06-21 Thread Andrew Robert
Hi everyone, Could someone help explain what I am doing wrong in this code block? This code block is an excerpt from a larger file that receives transmitted files via IBM WebSphere MQSeries an drops it to the local file system. Transmission of the file works as designed but it has a flaw. If th

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