Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Kay Schluehr
Leif K-Brooks schrieb: > Kay Schluehr wrote: > list.from_str("abc") > > > > list("a", "b", "c" ) > > > I assume we'll also have list.from_list, list.from_tuple, > list.from_genexp, list.from_xrange, etc.? One might unify all those factory functions into a single list.from_iter that dispatches

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Ron Adam
Leif K-Brooks wrote: > Kay Schluehr wrote: > >list.from_str("abc") >> >>list("a", "b", "c" ) > > > > I assume we'll also have list.from_list, list.from_tuple, > list.from_genexp, list.from_xrange, etc.? List from list isn't needed, nor list from tuple. That's what the * is for. And for t

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Bengt Richter
On Fri, 08 Jul 2005 22:29:30 -0600, Steven Bethard <[EMAIL PROTECTED]> wrote: >Dennis Lee Bieber wrote: >> On Fri, 08 Jul 2005 16:07:50 -0600, Steven Bethard >> <[EMAIL PROTECTED]> declaimed the following in comp.lang.python: >> >>>I only searched a few relatively recent threads in c.l.py, so the

Re: why UnboundLocalError?

2005-07-08 Thread Bengt Richter
On Fri, 8 Jul 2005 21:21:36 -0500, Alex Gittens <[EMAIL PROTECTED]> wrote: >I'm trying to define a function that prints fields of given widths >with specified alignments; to do so, I wrote some helper functions >nested inside of the print function itself. I'm getting an >UnboundLocalError, and aft

PPC floating equality vs. byte compilation

2005-07-08 Thread Donn Cave
I ran into a phenomenon that seemed odd to me, while testing a build of Python 2.4.1 on BeOS 5.04, on PowerPC 603e. test_builtin.py, for example, fails a couple of tests with errors claiming that apparently identical floating point values aren't equal. But it only does that when imported, and only

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Devan L
>>> import timeit >>> t1 = timeit.Timer('list(i for i in xrange(10))') >>> t1.timeit() 27.267753024476576 >>> t2 = timeit.Timer('[i for i in xrange(10)]') >>> t2.timeit() 15.050426800054197 >>> t3 = timeit.Timer('list(i for i in xrange(100))') >>> t3.timeit() 117.61078097914682 >>> t4 = timeit.Time

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Leif K-Brooks
Kay Schluehr wrote: list.from_str("abc") > > list("a", "b", "c" ) I assume we'll also have list.from_list, list.from_tuple, list.from_genexp, list.from_xrange, etc.? -- http://mail.python.org/mailman/listinfo/python-list

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Ron Adam
Kay Schluehr wrote: > > Leif K-Brooks schrieb: > >>Kay Schluehr wrote: >> >>>Well, I want to offer a more radical proposal: why not free squared >>>braces from the burden of representing lists at all? It should be >>>sufficient to write >>> >>> >>list() >>> >>>list() >> >>So then what would t

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Steven Bethard
Dennis Lee Bieber wrote: > On Fri, 08 Jul 2005 16:07:50 -0600, Steven Bethard > <[EMAIL PROTECTED]> declaimed the following in comp.lang.python: > >>I only searched a few relatively recent threads in c.l.py, so there are >>probably more, but it looks to me like the final decision will have to >>

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Kay Schluehr
Leif K-Brooks schrieb: > Kay Schluehr wrote: > > Well, I want to offer a more radical proposal: why not free squared > > braces from the burden of representing lists at all? It should be > > sufficient to write > > > list() > > > > list() > > So then what would the expression list('foo') mean

Re: python-dev Summary for 2005-06-16 through 2005-06-30

2005-07-08 Thread Steven Bethard
Bengt Richter wrote: > On Fri, 8 Jul 2005 18:15:37 -0600, Steven Bethard <[EMAIL PROTECTED]> wrote: > >>[The HTML version of this Summary is available at >>http://www.python.org/dev/summary/2005-06-16_2005-06-30.html] > > Not when I just looked, but maybe it takes a while ;-) Yes, sorry, we're s

Re: why UnboundLocalError?

2005-07-08 Thread Steven D'Aprano
On Fri, 08 Jul 2005 21:21:36 -0500, Alex Gittens wrote: > str = '' > while measure()!=0: > str += cutbits() It is considered poor practice to use the names of built-ins like str or list as variable names. > What's causing the error? Did you actually copy all of t

Codecs

2005-07-08 Thread Ivan Van Laningham
Hi All-- As far as I can tell, after looking only at the documentation (and not searching peps etc.), you cannot query the codecs to give you a list of registered codecs, or a list of possible codecs it could retrieve for you if you knew enough to ask for them by name. Why not? It seems to me tha

Re: why UnboundLocalError?

2005-07-08 Thread Peter Hansen
Alex Gittens wrote: > I'm trying to define a function that prints fields of given widths > with specified alignments; to do so, I wrote some helper functions > nested inside of the print function itself. I'm getting an > UnboundLocalError, and after reading the Naming and binding section in > the P

why UnboundLocalError?

2005-07-08 Thread Alex Gittens
I'm trying to define a function that prints fields of given widths with specified alignments; to do so, I wrote some helper functions nested inside of the print function itself. I'm getting an UnboundLocalError, and after reading the Naming and binding section in the Python docs, I don't see why.

Re: can't start new thread

2005-07-08 Thread Peter Hansen
jdonnell wrote: > I'm at a loss on this one. I have a multithreaded script that gets > 'thread.error: can't start new thread' errors seemingly randomly. I > just got it right after starting the script when it was trying to > create the 5th thread. Usually the script will run for a while before > th

Re: python-dev Summary for 2005-06-16 through 2005-06-30

2005-07-08 Thread Bengt Richter
On Fri, 8 Jul 2005 18:15:37 -0600, Steven Bethard <[EMAIL PROTECTED]> wrote: >[The HTML version of this Summary is available at >http://www.python.org/dev/summary/2005-06-16_2005-06-30.html] > Not when I just looked, but maybe it takes a while ;-) Regards, Bengt Richter -- http://mail.python.org

linking problem

2005-07-08 Thread J
Hi everyone, I thought that I would compile the python debug library and step through it to figure out where things fail. So, I downloaded python 2.4.1 and compile the python24_d.lib using the dsp files in PCBuild. It compiles fine whitout a problem, but when I link agains it i get a unresolved ex

Re: Polling, Fifos, and Linux

2005-07-08 Thread Remi Villatel
Jeremy Moles wrote: > This is my first time working with some of the more lower-level python > "stuff." I was wondering if someone could tell me what I'm doing wrong > with my simple test here? > > Basically, what I need is an easy way for application in userspace to > simply echo values "down" t

Re: Ann: The first PyWeek Python Game Programming Competition

2005-07-08 Thread richard
Lee Harr wrote: >> Clip Art >> note: >> more links welcome > > How about: > http://www.openclipart.org/ Thanks! Richard (aka PyWeek organiser bunny) -- http://mail.python.org/mailman/listinfo/python-list

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Steven Bethard
Devan L wrote: > List comprehensions are faster than generator comprehensions for > iterating over smaller sequences. Could you give me an example? For the simple one below, the generator expression was faster: $ python -m timeit "for x in (i for i in xrange(10)): y = x" 10 loops, best of 3

Re: map/filter/reduce/lambda opinions and background unscientificmini-survey

2005-07-08 Thread Terry Reedy
"George Sakkis" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > "Steven Bethard" <[EMAIL PROTECTED]> wrote: >> Dict comprehensions were recently rejected: >> http://www.python.org/peps/pep-0274.html >> The reason, of course, is that dict comprehensions don't gain you much >> a

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Steven Bethard
Kay Schluehr wrote: > Well, I want to offer a more radical proposal: why not free squared > braces from the burden of representing lists at all? It should be > sufficient to write > list() > list() > > After being free one can use them for other purposes e.g. replacing the > ugly @ decorator

python-dev Summary for 2005-06-16 through 2005-06-30

2005-07-08 Thread Steven Bethard
[The HTML version of this Summary is available at http://www.python.org/dev/summary/2005-06-16_2005-06-30.html] = Summary Announcements = -- OSCON Registration -- Though if you haven't yet registered, you've already missed t

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Devan L
List comprehensions are faster than generator comprehensions for iterating over smaller sequences. -- http://mail.python.org/mailman/listinfo/python-list

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Leif K-Brooks
Kay Schluehr wrote: > Well, I want to offer a more radical proposal: why not free squared > braces from the burden of representing lists at all? It should be > sufficient to write > list() > > list() So then what would the expression list('foo') mean? Would it be equivalent to ['foo'] (if so

Re: Legacy data parsing

2005-07-08 Thread Jorgen Grahn
On Fri, 8 Jul 2005 15:03:45 -0500, Thomas Bartkus <[EMAIL PROTECTED]> wrote: > "gov" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] >> Hi, >> >> I've just started to learn programming and was told this was a good >> place to ask questions :) >> >> Where I work, we receive large quant

Re: calling python procedures from tcl using tclpython

2005-07-08 Thread Jeff Hobbs
chand wrote: > can anyone help me how to provide the info about the python file > procedure in the tcl script which uses tclpython i.e., is there a way > to import that .py file procedure in the tcl script >>>currently I have wriiten this tcl code which is not working >>> >>>package require tclpyt

Re: psycopg simplest problem

2005-07-08 Thread Gerhard Häring
Glauco wrote: > [...] > Gerhard thank you very much, this example explain me some idea, but > anyway don't resolve the core question. > In you example when dateVal is a None or textVal is none. > argument x must be DateTime, not None. > so i must manipulate for the empty string or None cases No,

Re: embedding a new method

2005-07-08 Thread J
If your are reading this, I am sorry but I forgot to finish the first paragraph :(. I am trying to externalize some methods of a C++ object using python. User will be able to implement the function via the GUI and I then would like to add it to an instance... So the class consits of both python

embedding a new method

2005-07-08 Thread J
Hi everyone, I am fairly new to python (3rd day), but i am fairly keen on replacing javascript. I want to externalize some of the mehtod in my App, an allow user to imp char* lBuffer = "def handler(color):\n" " print 12" PyObject* lCode = Py_CompileString(lBuffer, ""

Re: Defending Python

2005-07-08 Thread Tim Daneliuk
Charlie Calvert wrote: > I perhaps rather foolishly wrote two article that mentioned Python as a > good alternative language to more popular tools such as C# or Java. I > encountered more resistance than I had expected. If someone who really > knows a lot about Python would like to go over to t

Re: removing list comprehensions in Python 3.0

2005-07-08 Thread Kay Schluehr
Steven Bethard schrieb: > I think the jury's still out on this one: > > * Alex Martelli expects list comprehensions to be removed. [1] > * Robert Kern wants list comprehensions removed. [2] > * Raymond Hettinger encourages continued use of list comprehensions [3] > * Jeremy Bowers thinks list comp

Re: Legacy data parsing

2005-07-08 Thread Bengt Richter
On 8 Jul 2005 11:31:14 -0700, "gov" <[EMAIL PROTECTED]> wrote: >Hi, > >I've just started to learn programming and was told this was a good >place to ask questions :) > >Where I work, we receive large quantities of data which is currently >all printed on large, obsolete, dot matrix printers. This

removing list comprehensions in Python 3.0

2005-07-08 Thread Steven Bethard
George Sakkis wrote: > "Steven Bethard" <[EMAIL PROTECTED]> wrote: >> Dict comprehensions were recently rejected: >> http://www.python.org/peps/pep-0274.html >> The reason, of course, is that dict comprehensions don't gain you >> much at all over the dict() constructor plus a generator ex

pylize 1.2b released

2005-07-08 Thread Christopher Arndt
pylize 1.2b relased More than three years after the last release I finally pulled myself together and am now happy to announce a maintenance release for pylize that also brings some new features. From time to time I have been receiving questions and comments from users, which indicated that the

Re: python nested class

2005-07-08 Thread George Sakkis
"Daniel Dittmar" <[EMAIL PROTECTED]> wrote: > Vedanta Barooah wrote: > > in a python nested class is it possible to change the value of the > > parent class's variable without actually creating an instance of the > > parent class > > Python nested classs are like *static* Java nested classes. Non-

Re: Legacy data parsing

2005-07-08 Thread [EMAIL PROTECTED]
> > Where I work, we receive large quantities of data which is currently > all printed on large, obsolete, dot matrix printers. This is a problem > because the replacement parts will not be available for much longer. > > So I'm trying to create a program which will capture the fixed width > text

Re: Use cases for del

2005-07-08 Thread Ron Adam
George Sakkis wrote: > I get: > > None: 0.54952316 > String: 0.498000144958 > is None: 0.45047684 What do yo get for "name is 'string'" expressions? Or is that a wrong way too? On my system testing "if string is string" is slightly faster than "if True/ if False" expressions. But th

Re: Options to integrate Python modules into native windows applications

2005-07-08 Thread Do Re Mi chel La Si Do
Hi ! >>> Your english is fine. Ce n'est pas mon anglais. Babelfish m'a beaucoup aidé. @-salutations -- Michel Claveau mél : http://cerbermail.com/?6J1TthIa8B sites : http://mclaveau.com http://bergoiata.org http://ponx.org -- http://mail.python.org/mailman/listinfo/python-list

Re: qustion about build Python on the Solaris 9

2005-07-08 Thread Trent Mick
[Hu, Bizhong wrote] > My question is that is > anyone know if python can > Be build as 64 bits application on SPARC ??? I don't know of any reason why not. I haven't built for *64-bit* SPARC yet but Python builds fine 32-bit on SPARC and build fine 64-bit on a number of other platforms (linux-x86_

Re: Legacy data parsing

2005-07-08 Thread Thomas Bartkus
"gov" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Hi, > > I've just started to learn programming and was told this was a good > place to ask questions :) > > Where I work, we receive large quantities of data which is currently > all printed on large, obsolete, dot matrix printers.

Re: file handling in a server (.py) file using xmlrpc

2005-07-08 Thread uwb
Jeremy Jones wrote: >>The script executes, no error messages, but the glob call turns up nothing >>while the identical call running from a console does in fact turn up files >>names as expected. >> >> > Wild guess, but I'm thinking your webserver process doesn't have > permissions to look in you

Re: map/filter/reduce/lambda opinions and background unscientific mini-survey

2005-07-08 Thread George Sakkis
"Steven Bethard" <[EMAIL PROTECTED]> wrote: > Christopher Subich wrote: > > Ron Adam wrote: > >> I think the association of (lambda) to [list_comp] is a nice > >> distinction. Maybe a {dictionary_comp} would make it a complete set. ;-) > > > > Yeah, dictionary comprehensions would be an interesti

Re: Legacy data parsing

2005-07-08 Thread Christopher Subich
gov wrote: > Hi, > > I've just started to learn programming and was told this was a good > place to ask questions :) > > Where I work, we receive large quantities of data which is currently > all printed on large, obsolete, dot matrix printers. This is a problem > because the replacement parts w

Re: Having trouble importing against PP2E files

2005-07-08 Thread Elmo Mäntynen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Charles Krug wrote: > List: > > I'm trying to use the example files from Programming Python, 2nd Ed. > > I've copied them into c:\Python24\Examples\PP2E. > > Launching any of the examples programs by themselves seems to work > spiffily. > > Using r

Re: Use cases for del

2005-07-08 Thread Ron Adam
George Sakkis wrote: > > How about using the right way of comparing with None ? > > x = None > t = time.time() > for i in range(100): > if x is None: > pass > print 'is None:',time.time()-t > > I get: > > None: 0.54952316 > String: 0.498000144958 > is None: 0.450476

Re: f*cking re module

2005-07-08 Thread George Sakkis
"Mike Meyer" <[EMAIL PROTECTED]> wrote: > I only know one compiler that punts after the first error. Even with > lots of cheap computing power, it's still very annoying. > > Come to think of it, Python does this, doesn't it? For some reason, > that doesn't annoy me. Maybe because I don't think of

qustion about build Python on the Solaris 9

2005-07-08 Thread Hu, Bizhong
Greeting to All:   I am trying to build python-2.4.1 on the sun solairs 9 on SPARC hardware as a 64 bits application. I have all the compiler switch setup and python build is completed. But when the makefile try to Run python setup.py command, It coredumped. My question is that is anyo

Defending Python

2005-07-08 Thread Charlie Calvert
I perhaps rather foolishly wrote two article that mentioned Python as a good alternative language to more popular tools such as C# or Java. I encountered more resistance than I had expected. If someone who really knows a lot about Python would like to go over to the CodeFez website and defend P

Re: Legacy data parsing

2005-07-08 Thread Miki Tebeka
Hello gov, > Here's an example of the raw text that I have to work with: > > > ADDRESS INFORMATION/RENSEIGNEMENTS SUR L'ADRESSE: > > > FOR/POUR AL/LA: 20 > CORR TYP: A1B 2C3 P:3 CHNGD/CHANG > LANG: E CONS/REGR: ### > MRS XXX X XXX >

Re: Legacy data parsing

2005-07-08 Thread Jeremy Jones
gov wrote: >Hi, > > > >If anyone could give me suggestions as to methods in sorting this type >of data, it would be appreciated. > > > Maybe it's overkill, but I'd *highly* recommend David Mertz's excellent book "Text Processing in Python": http://gnosis.cx/TPiP/ Don't know what all you'r

Re: file handling in a server (.py) file using xmlrpc

2005-07-08 Thread Jeremy Jones
uwb wrote: >Jeremy Jones wrote: > > > >>uwb wrote: >> >> >> >>>I've got a call to glob in a .py file sitting in an apache cgi-bin >>>directory which refuses to work while the exact same code works from a >>>python console session. >>> >>>I'm guessing that in order to read or write files from

Legacy data parsing

2005-07-08 Thread gov
Hi, I've just started to learn programming and was told this was a good place to ask questions :) Where I work, we receive large quantities of data which is currently all printed on large, obsolete, dot matrix printers. This is a problem because the replacement parts will not be available for mu

Re: FORTRAN like formatting

2005-07-08 Thread Cyril BAZIN
Hello, I don't anderstand very well Fortran syntax, but want you say something like that: def toTable(n1, n2, n3): return "%20s%20s%20s"%tuple(["%.12f"%x for x in [n1, n2, n3]]) Example: >>> import math >>> toTable(math.pi, 10, 8.2323) ' 3.141592653590 10. 8.232300

Re: file handling in a server (.py) file using xmlrpc

2005-07-08 Thread uwb
Jeremy Jones wrote: > uwb wrote: > >>I've got a call to glob in a .py file sitting in an apache cgi-bin >>directory which refuses to work while the exact same code works from a >>python console session. >> >>I'm guessing that in order to read or write files from any sort of a >>script file sittin

Re: Python Module Exposure

2005-07-08 Thread Jacob Page
Thomas Lotze wrote: > Jacob Page wrote: > >>better-named, > > Just a quick remark, without even having looked at it yet: the name is not > really descriptive and runs a chance of misleading people. The example I'm > thinking of is using zope.interface in the same project: it's customary to > name

FORTRAN like formatting

2005-07-08 Thread Einstein, Daniel R
Title: FORTRAN like formatting Hi, Sorry for this, but I need to write ASCII from my Python to be read by FORTRAN and the formatting is very important. Is there any way of doing anything like: write(*,'(3(" ",1pe20.12))') (variable) In other words, I want three columns 20 spaces long, wi

Re: Lisp development with macros faster than Python development?..

2005-07-08 Thread Kirk Job Sluder
"Kay Schluehr" <[EMAIL PROTECTED]> writes: > This might be a great self experience for some "great hackers" but just > annoying for others who used to work with modular standard librarys and > think that the border of the language and an application should be > somehow fixed to enable those. In

pygtk does ... ?

2005-07-08 Thread Thomas Bartkus
I am experimenting (flailing around?) with glade and python. Both under MS Windows and Linux. I understand why I want to "import gtk" It gives me access to the critical gui program loop gtk.main() and main_quit() I am also very grateful for import gtk.glade This lets me open my xml format g

Re: Polling, Fifos, and Linux

2005-07-08 Thread Donn Cave
In article <[EMAIL PROTECTED]>, Andreas Kostyrka <[EMAIL PROTECTED]> wrote: > On Thu, Jul 07, 2005 at 10:21:19PM -0700, Jacob Page wrote: > > Jeremy Moles wrote: > > > This is my first time working with some of the more lower-level python > > > "stuff." I was wondering if someone could tell me wha

Re: Snakespell

2005-07-08 Thread [EMAIL PROTECTED]
Tried that. They don't store the .tar.gz file. It becomes a blank page. -- http://mail.python.org/mailman/listinfo/python-list

Re: distutils is able to handle...

2005-07-08 Thread François Pinard
[George Sakkis] > I would suggest SCons (http://www.scons.org/), a modern > make/automake/autoconf replacement that uses python for its > configuration files instead of yet another cryptic half-baked > mini-language or XML. Python might not be the most legible way to describe what a Makefile has

Re: Learning Python - IM Wiki

2005-07-08 Thread gene tani
The python tutor good for this http://mail.python.org/mailman/listinfo/tutor Miki Tebeka wrote: > Hello Jorge, > > >Is there some sort of a Wiki where I could post the code and have > >advice on what, how and where to improve? Or should I post the code it > >here? > You can always get

Re: Options to integrate Python modules into native windows applications

2005-07-08 Thread Philippe C. Martin
Thanks Michel et salutations. Your english is fine. A+ Philippe Do Re Mi chel La Si Do wrote: > Re Hi ! > > > I had only test (little) Python for .Net ; OK, it's run. It is possible to > make winform from Python. And I had try to use Python for .Net from my > COM-server, and from VBscript.

can't start new thread

2005-07-08 Thread jdonnell
I'm at a loss on this one. I have a multithreaded script that gets 'thread.error: can't start new thread' errors seemingly randomly. I just got it right after starting the script when it was trying to create the 5th thread. Usually the script will run for a while before throwing this error, but som

Re: Seeking IDE

2005-07-08 Thread Nick Vargish
"Jags" <[EMAIL PROTECTED]> writes: > If you don't like that, you could use any of the following editors: > EditPlus, TextPad, UltraEdit, WingIDE, Komodo (from ActiveState) or > jEdit. All these are Windows based. Komodo is available for Linux and Windows, and ActiveState will be releasing a ve

Re: Learning Python - IM Wiki

2005-07-08 Thread Miki Tebeka
Hello Jorge, >Is there some sort of a Wiki where I could post the code and have >advice on what, how and where to improve? Or should I post the code it >here? You can always get help here, the Python community is *very* helpful. If you prefer a Wiki, try www.wikispaces.org for free Wi

Re: Snakespell

2005-07-08 Thread Skip Montanaro
peter> I used to use Snakespell from scriptfoundry to do spellchecking peter> on my website (www.peterbe.com/search?q=pyton) but now that I've peter> moved server and wiped the old machine I forgot to take with me peter> the Snakespell code. peter> www.scriptfoundry.com where

Having trouble importing against PP2E files

2005-07-08 Thread Charles Krug
List: I'm trying to use the example files from Programming Python, 2nd Ed. I've copied them into c:\Python24\Examples\PP2E. Launching any of the examples programs by themselves seems to work spiffily. Using regedit, I appended "c:\Python24\Examples\PP2E" to Pythonpath from the immediate window

[ANNOUNCE] pysudoku 0.1

2005-07-08 Thread Glenn Hutchings
Announcing PySuDoku version 0.1, yet another Sudoku program written in Python. But this one has features that I don't see in any of the others: * Cute interactive solving mode via Tkinter. * Puzzle generation option, for making your own puzzles. * Nicely packaged for installation via distut

Re: map/filter/reduce/lambda opinions and background unscientific mini-survey

2005-07-08 Thread Steven Bethard
Christopher Subich wrote: > Ron Adam wrote: >> I think the association of (lambda) to [list_comp] is a nice >> distinction. Maybe a {dictionary_comp} would make it a complete set. ;-) > > Yeah, dictionary comprehensions would be an interesting feature. :) > Syntax might be a bit unwieldy, thoug

Re: Use cases for del

2005-07-08 Thread Roy Smith
Daniel Dittmar <[EMAIL PROTECTED]> wrote: > In a SQL database, NULL = NULL will always return NULL, which is prety > much the same as FALSE. Except for NOT, AS NOT NULL is NULL. SQL's NULL is very much akin to the IEEE NaN (not quite, but close). -- http://mail.python.org/mailman/listinfo/pytho

Re: VC++ linking problem

2005-07-08 Thread Miki Tebeka
Hello J, > I will put a hold on compiling the latest version until I really have to. > I will probably switch to VC 7 before that. You can use the (free) MinGW compiler (www.mingw.org). It can build extension that link to Python 2.4. Just use distutils setup.py and run 'python setup.py build_ext

Re: file handling in a server (.py) file using xmlrpc

2005-07-08 Thread Jeremy Jones
uwb wrote: >I've got a call to glob in a .py file sitting in an apache cgi-bin directory >which refuses to work while the exact same code works from a python console >session. > >I'm guessing that in order to read or write files from any sort of a script >file sitting in the cgi-bin directory on a

Re: f*cking re module

2005-07-08 Thread Mike Meyer
Rocco Moretti <[EMAIL PROTECTED]> writes: > François Pinard wrote: > If your program had only minor errors, there was likely a good chance > that the compiler might guess correctly, and your program would > compile to what you wanted in the first place. If not, by continuing > on, the compiler can

Re: Modules for inclusion in standard library?

2005-07-08 Thread Gregory Piñero
Has anyone recommended ftputil? Either add that to the library or make the existing ftp module more high level would be my suggestion. http://www.sschwarzer.net/python/python_software.html -Greg On 7 Jul 2005 05:38:28 -0700, [EMAIL PROTECTED] <[EMAIL PROTECTED] > wrote: > 1. LDAP module shoul

Compiler error recovery [was: Re: f*cking re module]

2005-07-08 Thread François Pinard
[Rocco Moretti] > François Pinard wrote: > > I once worked with a PL/I compiler (on a big IBM mainframe), which was > > trying to be helpful by spitting pages of: > > Error SUCH AND SUCH, assuming that THIS AND THIS was meant. > > and continuing compilation nevertheless. It was a common jok

file handling in a server (.py) file using xmlrpc

2005-07-08 Thread uwb
I've got a call to glob in a .py file sitting in an apache cgi-bin directory which refuses to work while the exact same code works from a python console session. I'm guessing that in order to read or write files from any sort of a script file sitting in the cgi-bin directory on a server, somethin

Re: socket code

2005-07-08 Thread Grant Edwards
On 2005-07-08, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: > Hello, > > I'm trying to create a broadcast socket in some portable code (windows XP & > mandrake linux). When I run the following lines through idle: > > import socket > s = socket.socket( socket.AF_INET, socket.SOCK_DGRAM ) > s.con

Re: PyX, matplotlib, 3D & LaTeX

2005-07-08 Thread Fernando Perez
Francisco Borges wrote: > I like PyX, use it a lot and would suggest it as a beter plotting > library than the ones at Scipy (for as long as you don't need on-screen > plotting). FWIW, the plotting support in scipy is essentially unmaintained and abandoned, since the advent of matplotlib. It has

Re: Use cases for del

2005-07-08 Thread Daniel Dittmar
Scott David Daniels wrote: > Testing for None should be an is-test (not just for speed). In > older pythons the == result wasn't necessarily same as is-test. > This made sense to me after figuring out NULL in database stuff. NULL in SQL databases has nothing to do with Python None. I'm quite sure

socket code

2005-07-08 Thread ronpro
Hello, I'm trying to create a broadcast socket in some portable code (windows XP & mandrake linux). When I run the following lines through idle: import socket s = socket.socket( socket.AF_INET, socket.SOCK_DGRAM ) s.connect( ('', 17100) ) On windows, connect() returns and I have a broadcast so

Re: Options to integrate Python modules into native windows applications

2005-07-08 Thread Do Re Mi chel La Si Do
Re Hi ! I had only test (little) Python for .Net ; OK, it's run. It is possible to make winform from Python. And I had try to use Python for .Net from my COM-server, and from VBscript. OK also. Plus, I had try to call my Python-server-COM, from C# : OK it's run. C# can use Python. And, I h

Re: [PythonWin] how to stop execution in interactive window?

2005-07-08 Thread F. GEIGER
Right-click on the Pythonwin icon in the tray and select "Break into running code". HTH Franz GEIGER <[EMAIL PROTECTED]> schrieb im Newsbeitrag news:[EMAIL PROTECTED] > Hi All, > (sorry for my bad english) > I wrote a __tiny__ and __stupid__ recursive script directly into > pythonwin > interac

Re: Pattern question

2005-07-08 Thread Scott David Daniels
cantabile wrote: > bruno modulix a écrit : >>You may want to have a look at the Factory pattern... >> ... demo of class Factory ... Taking advantage of Python's dynamic nature, you could simply: # similarly outrageously oversimplified dummy example class Gui(object): def __init__

Re: f*cking re module

2005-07-08 Thread Kay Schluehr
jwaixs schrieb: > arg... I've lost 1.5 hours of my precious time to try letting re work > correcty. 1.5 hours are not enough for understanding regular expressions. But to be honest: I never had the patience to learn them accurately and I guess I will never do so as well as I don't ever learn sed o

Re: psycopg simplest problem

2005-07-08 Thread Glauco
Gerhard Haering wrote: > On Fri, Jul 08, 2005 at 04:23:50PM +0200, Glauco wrote: > >>[...] >>My problem is to do a middle layer over pycopg for eliminate type >>casting problem in postgres in all direction. >> >>i've resolved this doing a C extension in python and manipulating only >>string and

Re: Use cases for del

2005-07-08 Thread Scott David Daniels
Ron Adam wrote: > Here's something interesting: > > import time > > x = None > t = time.time() > for i in range(100): > if x==None: > pass > print 'None:',time.time()-t > > x = 'to-end' > t = time.time() > for i in range(100): > if x=='to-end': > pass > print 'Str

Re: import Help Needed - Newbie

2005-07-08 Thread Dan
On 7/7/2005 5:50 PM, GregM wrote: > A search on google for odbchelper resulted in: > http://linux.duke.edu/~mstenner/free-docs/diveintopython-3.9-1/py/odbchelper.py > > I think this will help you. > Greg. > That is the previous example which worked for me fine. I have this code on a network dr

Python Windows Install Problem (Error #2755)

2005-07-08 Thread Carl, Andrew
Title: Python Windows Install Problem (Error #2755)     Please find attached a PDF file (removed due to size) containing (2) print-screen images of an error (Code # 2755) occuring during attempted installation of python for windows, version 2.4.1 (on PC using MS2000). Any help would be a

[PythonWin] how to stop execution in interactive window?

2005-07-08 Thread siggy2
Hi All, (sorry for my bad english) I wrote a __tiny__ and __stupid__ recursive script directly into pythonwin interactive window with a time.sleep(1) and a print before each recursion... I should have taken a closer look at the ending condition (never satisfied!), anyway I was quite confident tha

Re: Lisp development with macros faster than Python development?..

2005-07-08 Thread Kay Schluehr
[EMAIL PROTECTED] schrieb: > I've been reading the beloved Paul Graham's "Hackers and Painters". > He claims he developed a web app at light speed using Lisp and lots > of macros. Yes, Paul is a postmodern hero who reininvents himself and his language every day and with every program: "Experien

Re: f*cking re module

2005-07-08 Thread Rocco Moretti
François Pinard wrote: > I once worked with a PL/I compiler (on a big IBM mainframe), which was > trying to be helpful by spitting pages of: > > Error SUCH AND SUCH, assuming that THIS AND THIS was meant. > > and continuing compilation nevertheless. It was a common joke to say > that PL/I w

Re: psycopg simplest problem

2005-07-08 Thread Gerhard Haering
On Fri, Jul 08, 2005 at 04:23:50PM +0200, Glauco wrote: > [...] > My problem is to do a middle layer over pycopg for eliminate type > casting problem in postgres in all direction. > > i've resolved this doing a C extension in python and manipulating only > string and int in my application. > >

Re: Outlook COM: how to create a MailItem from a .msg file

2005-07-08 Thread Guy Lateur
python version: import win32com.client myOL = win32com.client.Dispatch("Outlook.Application") myNS = myOL.GetNamespace("MAPI") sItem = win32com.client.Dispatch("Redemption.SafeMailItem") myDestBox = myNS.GetDefaultFolder(6) oItem = myDestBox.Items.Add(0) sItem.Item = oItem sItem.Import("H:\\I

Learning Python - IM Wiki

2005-07-08 Thread Jorge Louis De Castro
Hello,   I am a Java Developer that has been learning Python by doing simple things. I am loving this initial vibe I'm getting out of Python. However, because I feel programmers of a certain languages bring with them certain vices when moving to other languages, I'd like to have feedback fro

psycopg simplest problem

2005-07-08 Thread Glauco
I'm rebuilding my old library i've done some year ago using python and postgres. My problem is to do a middle layer over pycopg for eliminate type casting problem in postgres in all direction. i've resolved this doing a C extension in python and manipulating only string and int in my applicati

Re: Obj.'s writing self-regeneration script ?

2005-07-08 Thread Bas Michielsen
Jerome Alet wrote: > Hi, > > Le Fri, 08 Jul 2005 15:16:21 +0200, Bas Michielsen a écrit : > > >>Is there a good/standard way of having (composite) >>objects write a Python script which will regenerate >>the very same object ? > > > I've done something like this for the ReportLab toolkit. > >

ANN: python-constraint 1.0

2005-07-08 Thread Gustavo Niemeyer
Overview **python-constraint** [1]_ is a Python module offering solvers for Constraint Solving Problems (CSPs) over finite domains in simple and pure Python. CSP is class of problems which may be represented in terms of variables (`a`, `b`, ...), domains (`a in [1, 2, 3]`, ...),

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