Re: how do you do a count of a result set?

2010-07-09 Thread Brian Quinlan
On 10 Jul 2010, at 16:21, John Nagle wrote: On 7/9/2010 11:08 PM, Dennis Lee Bieber wrote: On Sat, 10 Jul 2010 06:56:13 +0200, Rene Veerman declaimed the following in gmane.comp.python.general: hi. i'm using this function; def dbCacheGet(self, appParams): results =

Re: how do you do a count of a result set?

2010-07-09 Thread John Nagle
On 7/9/2010 11:08 PM, Dennis Lee Bieber wrote: On Sat, 10 Jul 2010 06:56:13 +0200, Rene Veerman declaimed the following in gmane.comp.python.general: hi. i'm using this function; def dbCacheGet(self, appParams): results = db.GqlQuery( "SELECT *

Re: how do you do a count of a result set?

2010-07-09 Thread Chris Rebert
On Fri, Jul 9, 2010 at 9:56 PM, Rene Veerman wrote: > hi. > > i'm using this function; > > >        def dbCacheGet(self, appParams): >                results = db.GqlQuery( >                        "SELECT * " >            "FROM DBcache " >            "WHERE url='"+appParams['urlCalled']+"'" >    

how do you do a count of a result set?

2010-07-09 Thread Rene Veerman
hi. i'm using this function; def dbCacheGet(self, appParams): results = db.GqlQuery( "SELECT * " "FROM DBcache " "WHERE url='"+appParams['urlCalled']+"'" ).fetch(1) if results.count('*')==0:

Re: any issues with long running python apps?

2010-07-09 Thread Dan Stromberg
On Fri, Jul 9, 2010 at 5:23 PM, Tim Chase wrote: > On 07/09/2010 06:32 PM, Roy Smith wrote: > >> i have been asked to guarantee that a proposed Python application will >>> run continuously under MS Windows for two months time. And i am looking >>> to know what i don't know. >>> >> >> Heh. The OS

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2010-07-09 Thread nais-saudi
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Re: delegation pattern via descriptor

2010-07-09 Thread Gregory Ewing
kedra marbun wrote: this 'passing class' thing comes from, IIRC, learning python 4ed by Mark Lutz, it's stated there that the 3rd arg to __get__ is the class to which the descriptor instance is attached That's there so that the __get__ method of function objects can return an unbound method whe

Re: python instructor

2010-07-09 Thread Paul Rubin
Ben Finney writes: >> Any thoughts or advice would be greatly appreciated. > Rather than here, you should post job advertisements at the Python Job > Board http://www.python.org/community/jobs/>. Since you are looking for an instructor to come to your site, it would also help if you stated your g

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Steven D'Aprano
On Fri, 09 Jul 2010 23:14:23 +0200, Frederic Rentsch wrote: > I understand that things going out of scope delete themselves. I have > used del on occasion, for instance, to get rid of invalid members of a > list or a dictionary. It has to be done in two passes, though, because > neither can be alt

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Steven D'Aprano
On Fri, 09 Jul 2010 17:46:26 -0400, Terry Reedy wrote: > On 7/9/2010 9:02 AM, Frederic Rentsch wrote: > >> I do 'reload (service); reload (M)'. >> The function 'M.f' still misbehaves. > > Guido removed reload from 3.0 because it gave people false hopes and he > gave up on fixing it. It's not qu

Re: any issues with long running python apps?

2010-07-09 Thread Tim Chase
On 07/09/2010 06:32 PM, Roy Smith wrote: i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. And i am looking to know what i don't know. Heh. The OS won't stay up that long. While I'm not sure how much of Roy's comment

Re: Python Ireland's pre-PyCon drinks - Wed, 14th July @ Trinity Capital Hotel

2010-07-09 Thread Mark Lawrence
On 10-7-2010 0:52, Aahz wrote: In article, Steve Holden wrote: Vicky Twomey-Lee wrote: When: Wed 14th July, from 7pm Where: Trinity Capital Hotel Hope you all had a good piss-up! See you a week on Saturday. Did Guido get pissed and give you the keys to the time machine? No, he simply ha

Re: Python Ireland's pre-PyCon drinks - Wed, 14th July @ Trinity Capital Hotel

2010-07-09 Thread Aahz
In article , Steve Holden wrote: >Vicky Twomey-Lee wrote: >> >> When: Wed 14th July, from 7pm >> Where: Trinity Capital Hotel > >Hope you all had a good piss-up! See you a week on Saturday. Did Guido get pissed and give you the keys to the time machine? -- Aahz (a...@pythoncraft.com)

Re: any issues with long running python apps?

2010-07-09 Thread Roy Smith
In article <4c3774df$0$31278$607ed...@cv.net>, Les Schaffer wrote: > i have been asked to guarantee that a proposed Python application will > run continuously under MS Windows for two months time. And i am looking > to know what i don't know. Heh. The OS won't stay up that long. -- http://m

Re: any issues with long running python apps?

2010-07-09 Thread Emile van Sebille
On 7/9/2010 12:13 PM Les Schaffer said... i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. Keep users off the machine, turn off automated updates, and point dns to 127.0.0.1. Oh, put it on a UPS. I've got a handful

Re: Pretty printing with ElementTree

2010-07-09 Thread abhijeet thatte
It worked. Thanks, Abhijeet On Fri, Jul 9, 2010 at 4:03 PM, John Krukoff wrote: > On Fri, 2010-07-09 at 15:46 -0700, abhijeet thatte wrote: > > Hi, > > > > > > Does any one know how to use pretty printing with ElementTree while > > generating xml files. > > We can use that with lxml. But I wan

Re: Pretty printing with ElementTree

2010-07-09 Thread John Krukoff
On Fri, 2010-07-09 at 15:46 -0700, abhijeet thatte wrote: > Hi, > > > Does any one know how to use pretty printing with ElementTree while > generating xml files. > We can use that with lxml. But I want to stick with it ElementTree. > > > Thanks, > Abhijeet It's pretty simple minded, but thi

Pretty printing with ElementTree

2010-07-09 Thread abhijeet thatte
Hi, Does any one know how to use pretty printing with ElementTree while generating xml files. We can use that with lxml. But I want to stick with it ElementTree. Thanks, Abhijeet -- http://mail.python.org/mailman/listinfo/python-list

Re: python instructor

2010-07-09 Thread Ben Finney
Greg writes: > Any thoughts or advice would be greatly appreciated. Rather than here, you should post job advertisements at the Python Job Board http://www.python.org/community/jobs/>. -- \ “Love is the triumph of imagination over intelligence.” —Henry | `\

Re: Lua is faster than Fortran???

2010-07-09 Thread geremy condra
On Fri, Jul 9, 2010 at 5:10 PM, Terry Reedy wrote: > On 7/9/2010 1:25 AM, sturlamolden wrote: > >> With OpenCL, Python is better than C for heavy computing. The Python >> or C/C++ program has to supply OpenCL code (structured text) to the >> OpenCL driver, which does the real work on GPU or CPU. P

Re: Cpp + Python: static data dynamic initialization in *nix shared lib?

2010-07-09 Thread Alf P. Steinbach /Usenet
* Ian Collins, on 09.07.2010 23:22: On 07/10/10 03:52 AM, Alf P. Steinbach /Usenet wrote: [Cross-posted comp.lang.python and comp.lang.c++] I lack experience with shared libraries in *nix and so I need to ask... This is about "cppy", some support for writing Python extensions in C++ that I jus

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread Terry Reedy
On 7/9/2010 11:58 AM, crow wrote: But in python's document, it said I should use sys.setdefaultencoding. Where? That may need to be changed. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Terry Reedy
On 7/9/2010 9:02 AM, Frederic Rentsch wrote: I do 'reload (service); reload (M)'. The function 'M.f' still misbehaves. Guido removed reload from 3.0 because it gave people false hopes and he gave up on fixing it. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Cpp + Python: static data dynamic initialization in *nix shared lib?

2010-07-09 Thread geremy condra
On Fri, Jul 9, 2010 at 5:22 PM, Ian Collins wrote: > On 07/10/10 03:52 AM, Alf P. Steinbach /Usenet wrote: >> >> [Cross-posted comp.lang.python and comp.lang.c++] >> >> I lack experience with shared libraries in *nix and so I need to ask... >> >> This is about "cppy", some support for writing Pyth

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Terry Reedy
On 7/9/2010 12:37 AM, Steven D'Aprano wrote: This is a style question rather than a programming question. How large (how many KB, lines, classes, whatever unit of code you like to measure in) should a module grow before I should break it up into a package? I see that, for example, decimal.py is>

Re: Cpp + Python: static data dynamic initialization in *nix shared lib?

2010-07-09 Thread Ian Collins
On 07/10/10 03:52 AM, Alf P. Steinbach /Usenet wrote: [Cross-posted comp.lang.python and comp.lang.c++] I lack experience with shared libraries in *nix and so I need to ask... This is about "cppy", some support for writing Python extensions in C++ that I just started on (some days ago almost kn

Re: any issues with long running python apps?

2010-07-09 Thread John Nagle
On 7/9/2010 12:13 PM, Les Schaffer wrote: i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. And i am looking to know what i don't know. What if Master Control in Redmond decides to reboot your machine to install an u

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Frederic Rentsch
On Fri, 2010-07-09 at 19:38 +0200, Jean-Michel Pichavant wrote: > Frederic Rentsch wrote: > > I develop in an IDLE window. > > > > Module M says 'from service import *'. > > Next I correct a mistake in function 'service.f'. > > Now 'service.f' works fine. > > > > I do 'reload (service); reload (M)'

Re: Lua is faster than Fortran???

2010-07-09 Thread Terry Reedy
On 7/9/2010 1:25 AM, sturlamolden wrote: With OpenCL, Python is better than C for heavy computing. The Python or C/C++ program has to supply OpenCL code (structured text) to the OpenCL driver, which does the real work on GPU or CPU. Python is much better than C or C++ at processing text. There w

Re: any issues with long running python apps?

2010-07-09 Thread Martin P. Hellwig
On 07/09/10 20:13, Les Schaffer wrote: i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. And i am looking to know what i don't know. Get a good lawyer and put into the contract, the last thing you want is a windows updat

Re: Hello

2010-07-09 Thread Raju Angani
On Jul 9, 11:43 am, geremy condra wrote: > On Fri, Jul 9, 2010 at 1:08 PM, Dani Valverde wrote: > > Sorry, I forgot to mention that I am using Linux. In fact, my first test > > have been with gedit. Is there any way to directly run the Python code into > > the console? > > Gedit has a plugin that

Re: any issues with long running python apps?

2010-07-09 Thread geremy condra
On Fri, Jul 9, 2010 at 3:13 PM, Les Schaffer wrote: > i have been asked to guarantee that a proposed Python application will run > continuously under MS Windows for two months time. And i am looking to know > what i don't know. I normally use Linux for this sort of thing, so YMMV on the following

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Aahz
In article , Jean-Michel Pichavant wrote: > >PS : You're misusing the del statement. It does not remove any object >from mmory, however, it removes the reference to it, the object is still >in memory. They are very few cases where del is usefull in python, so >try to avoid using it as well. T

Re: any issues with long running python apps?

2010-07-09 Thread Terry Reedy
On 7/9/2010 3:13 PM, Les Schaffer wrote: i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. And i am looking to know what i don't know. The app would read instrument data from a serial port, store the data in file, and di

Re: [Tutor] the ball needs a kick...

2010-07-09 Thread Dave Angel
yes But further messages had better be posted to the forum. And not top-posted. DaveA -- http://mail.python.org/mailman/listinfo/python-list

Re: any issues with long running python apps?

2010-07-09 Thread William Heymann
On Friday 09 July 2010, Les Schaffer wrote: > but none of this has anything to do with Python itself. i am sure python > servers have been running reliably for long periods of time, but i've > never had to deal with a two-month guarantee before. is there something > else i am missing here that i s

Re: any issues with long running python apps?

2010-07-09 Thread Christian Heimes
> but none of this has anything to do with Python itself. i am sure python > servers have been running reliably for long periods of time, but i've > never had to deal with a two-month guarantee before. is there something > else i am missing here that i should be concerned about on the > pure-P

Re: any issues with long running python apps?

2010-07-09 Thread Michael Torrie
On 07/09/2010 01:13 PM, Les Schaffer wrote: > or need we only concern ourselves with the nuts behind the wheel:that > is, we the developers? It never hurts to separate the data collection and visualization/analysis parts into separate programs. That way you can keep the critical, long-running da

Re: 500 tracker orphans; we need more reviewers

2010-07-09 Thread Terry Reedy
On 7/8/2010 5:58 PM, Mark Lawrence wrote: On 19-6-2010 23:45, Shashwat Anand wrote: Terry: Thanks for bringing this to notice. Mark: Kudos for your effort in cleaning up bugs.python.org Like I've said elsewhere, flattery will get you everywhere. :) FYI there are now 480 orphans and I've mana

any issues with long running python apps?

2010-07-09 Thread Les Schaffer
i have been asked to guarantee that a proposed Python application will run continuously under MS Windows for two months time. And i am looking to know what i don't know. The app would read instrument data from a serial port, store the data in file, and display in matplotlib. typical sampling

Re: Only one forum app in Python?

2010-07-09 Thread Stefaan Himpe
Is Pocoo really the only solution available out there? No. See e.g. http://www.pyforum.org/ -- http://mail.python.org/mailman/listinfo/python-list

Re: Hello

2010-07-09 Thread geremy condra
On Fri, Jul 9, 2010 at 1:08 PM, Dani Valverde wrote: > Sorry, I forgot to mention that I am using Linux. In fact, my first test > have been with gedit. Is there any way to directly run the Python code into > the console? Gedit has a plugin that brings up a python intepreter. Edit->Preferences->Pl

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Frederic Rentsch
On Fri, 2010-07-09 at 15:58 +, Steven D'Aprano wrote: > On Fri, 09 Jul 2010 15:02:25 +0200, Frederic Rentsch wrote: > > > I develop in an IDLE window. > > > > Module M says 'from service import *'. Next I correct a mistake in > > function 'service.f'. Now 'service.f' works fine. > > from ser

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Paul Rubin
Steven D'Aprano writes: > How large (how many KB, lines, classes, whatever unit of code you like to > measure in) should a module grow before I should break it up into a > package? I see that, for example, decimal.py is > 3000 lines of code, so > I can assume that 3 KLOC is acceptable. Presumab

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Tomasz Rola
And just in case... A real life example (my computer, more or less typical Linux setup): find / -type f -name '*.py' -exec wc {} \; | gawk '{ l+=$1; } END {print l / FNR; } BEGIN { l=0; }' (the two lines should be concatenated) This gives a mean: 269.069 So, if I did not screw something, a

Re: zipimport (.pyd & .so) files.

2010-07-09 Thread Thomas Jollans
On 07/09/2010 06:36 PM, King wrote: > Hi, > > The 'zipimport' modules can only import (.py & .pyc) files from a zip > file and doesn't support importing .pyd & .so files. Recently I was > examining the code of Py2Exe (python package deployment tool) and I > have found that it is using a module 'zi

Re: zipimport (.pyd & .so) files.

2010-07-09 Thread Christian Heimes
> It's strictly for windows platform. I would like to know from expert > python users and linux programmers, how we can achieve similar > functionality on linux platform? I do have limited c/c++ skill sets > but I would love to give a try. I don't know any way to load a shared library from somethi

Re: Hello

2010-07-09 Thread Jean-Michel Pichavant
Dani Valverde wrote: Sorry, I forgot to mention that I am using Linux. In fact, my first test have been with gedit. Is there any way to directly run the Python code into the console? Cheers! Dani Bradley Hintze wrote: There are lots of great editors out there. It really depends on personal

Re: zipimport (.pyd & .so) files.

2010-07-09 Thread Thomas Jollans
On 07/09/2010 06:36 PM, King wrote: > Hi, > > The 'zipimport' modules can only import (.py & .pyc) files from a zip > file and doesn't support importing .pyd & .so files. Recently I was > examining the code of Py2Exe (python package deployment tool) and I > have found that it is using a module 'zi

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Jean-Michel Pichavant
Frederic Rentsch wrote: I develop in an IDLE window. Module M says 'from service import *'. Next I correct a mistake in function 'service.f'. Now 'service.f' works fine. I do 'reload (service); reload (M)'. The function 'M.f' still misbehaves. 'print inspect.getsource (service.f)' and 'print i

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread Christian Heimes
> oh, I take back my words, it's still there, just I need to > reload(sys). Just don't. If you change the default encoding you are going to break important data structures like dicts in a subtle and hard to detect way. If your application needs to change the default encoding, it's broken. The func

Re: Hello

2010-07-09 Thread Dani Valverde
Sorry, I forgot to mention that I am using Linux. In fact, my first test have been with gedit. Is there any way to directly run the Python code into the console? Cheers! Dani Bradley Hintze wrote: There are lots of great editors out there. It really depends on personal preference. It also de

Re: Lua is faster than Fortran???

2010-07-09 Thread sturlamolden
On 9 Jul, 15:25, Felix wrote: > PS: No need to convince me that MATLAB is not the solution. What I mean is that Matlab and Mathematica are inherently "single threaded" interpreters. Yet they are still used for serious parallel computing. While Python has multiple threads but a GIL, only allowing

Re: Hello

2010-07-09 Thread Bradley Hintze
There are lots of great editors out there. It really depends on personal preference. It also depends on your OS. I us Mac OSX and like jEdit (my lab mate likes bbEdit). When I was on windows I liked notepad2. On linux i really like gEdit. Any of these will work great for a beginner! Bradley On F

Re: Hello

2010-07-09 Thread Nick Raptis
Hello Dani! IDLE is very friendly for new users and has got me a long way when I was starting. You also can't beat that it comes bundled with Python. I'd also like to suggest the Python-Tutor list http://mail.python.org/mailman/listinfo/tutor for your "new-user" questions. Lots of helpful fo

Re: Hello

2010-07-09 Thread Rhodri James
On Fri, 09 Jul 2010 17:31:36 +0100, Dani Valverde wrote: I am new to python and pretty new to programming (I have some expertise wit R statistical programming language). I am just starting, so my questions may be a little bit stupid. Can anyone suggest a good editor for python? Whateve

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Nick Raptis
I know I have more radical options, such as starting a new IDLE window. That would save me time, but I'd like to take the opportunity to understand what is happening. Surely someone out there knows. Frederic Or you can restart the IDLE shell with CTRL+F6. If you can't restart it, you're

Re: Hello

2010-07-09 Thread Grant Edwards
On 2010-07-09, Dani Valverde wrote: > I am new to python and pretty new to programming (I have some > expertise wit R statistical programming language). I am just > starting, so my questions may be a little bit stupid. Can anyone > suggest a good editor for python? Emacs, Scite (has nice folding

Re: Hello

2010-07-09 Thread Alf P. Steinbach /Usenet
* Dani Valverde, on 09.07.2010 18:31: Hello! I am new to python and pretty new to programming (I have some expertise wit R statistical programming language). I am just starting, so my questions may be a little bit stupid. Can anyone suggest a good editor for python? Cheers! If you're working in

zipimport (.pyd & .so) files.

2010-07-09 Thread King
Hi, The 'zipimport' modules can only import (.py & .pyc) files from a zip file and doesn't support importing .pyd & .so files. Recently I was examining the code of Py2Exe (python package deployment tool) and I have found that it is using a module 'zipextimporter' that can import dlls(.pyd) modules

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread Thomas Jollans
On 07/09/2010 06:06 PM, crow wrote: > On Jul 10, 12:04 am, Steven D'Aprano cybersource.com.au> wrote: >> On Fri, 09 Jul 2010 08:58:35 -0700, crow wrote: >>> So, my questions: why there is no setdefaultencoding in sys module? if I >>> want to change system's default encoding, what should I do? >> >

Hello

2010-07-09 Thread Dani Valverde
Hello! I am new to python and pretty new to programming (I have some expertise wit R statistical programming language). I am just starting, so my questions may be a little bit stupid. Can anyone suggest a good editor for python? Cheers! Dani -- Daniel Valverde Saubí c/Joan Maragall 37 4 2 17

Re: SqlAlchemy: remote connection on problem on mysql database

2010-07-09 Thread Rebelo
from SQLAlchemy docs (http://www.sqlalchemy.org/docs/ dbengine.html#database-engine-options): " create_engine() URL Arguments SQLAlchemy indicates the source of an Engine strictly via RFC-1738 style URLs, combined with optional keyword arguments to specify options for the Engine. The form of the U

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread crow
On Jul 10, 12:06 am, crow wrote: > On Jul 10, 12:04 am, Steven D'Aprano > > > > > cybersource.com.au> wrote: > > On Fri, 09 Jul 2010 08:58:35 -0700, crow wrote: > > > So, my questions: why there is no setdefaultencoding in sys module? if I > > > want to change system's default encoding, what shou

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread crow
On Jul 10, 12:04 am, Steven D'Aprano wrote: > On Fri, 09 Jul 2010 08:58:35 -0700, crow wrote: > > So, my questions: why there is no setdefaultencoding in sys module? if I > > want to change system's default encoding, what should I do? > > I think the answer is: > > Don't. > > If you do, you will b

Re: Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread Steven D'Aprano
On Fri, 09 Jul 2010 08:58:35 -0700, crow wrote: > So, my questions: why there is no setdefaultencoding in sys module? if I > want to change system's default encoding, what should I do? I think the answer is: Don't. If you do, you will break built-ins. http://tarekziade.wordpress.com/2008/01/08

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Martin P. Hellwig
On 07/09/10 05:37, Steven D'Aprano wrote: This is a style question rather than a programming question. How large (how many KB, lines, classes, whatever unit of code you like to measure in) should a module grow before I should break it up into a package? I see that, for example, decimal.py is> 3

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Steven D'Aprano
On Fri, 09 Jul 2010 15:02:25 +0200, Frederic Rentsch wrote: > I develop in an IDLE window. > > Module M says 'from service import *'. Next I correct a mistake in > function 'service.f'. Now 'service.f' works fine. from service import * should be considered advanced functionality that is discour

Why there is no "setdefaultencoding" in sys module?

2010-07-09 Thread crow
Hi, everyone I'm a new hand at python. I tried to set system default encoding by using "import sys; sys.setdefaultencoding('utf-f')", but I got error message: >>> sys.setdefaultencoding('utf-8') Traceback (most recent call last): File "", line 1, in AttributeError: 'module' object has n

Cpp + Python: static data dynamic initialization in *nix shared lib?

2010-07-09 Thread Alf P. Steinbach /Usenet
[Cross-posted comp.lang.python and comp.lang.c++] I lack experience with shared libraries in *nix and so I need to ask... This is about "cppy", some support for writing Python extensions in C++ that I just started on (some days ago almost known as "pynis" (not funny after all)). For an extens

Re: 'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Aahz
In article , Frederic Rentsch wrote: > >Module M says 'from service import *'. >Next I correct a mistake in function 'service.f'. >Now 'service.f' works fine. > >I do 'reload (service); reload (M)'. >The function 'M.f' still misbehaves. Absolutely! >'print inspect.getsource (service.f)' and >'p

Re: Python -- floating point arithmetic

2010-07-09 Thread Aahz
In article , Chris Rebert wrote: >On Thu, Jul 8, 2010 at 8:52 AM, Giacomo Boffi wrote: >> "Zooko O'Whielacronx" writes: >>> >>> I'm starting to think that one should use Decimals by default and >>> reserve floats for special cases. >> >> would you kindly lend me your Decimals ruler? i need to m

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Tomasz Rola
On Fri, 9 Jul 2010, Tomasz Rola wrote: > On Fri, 9 Jul 2010, Steven D'Aprano wrote: > > > This is a style question rather than a programming question. > > > > How large (how many KB, lines, classes, whatever unit of code you like to > > measure in) should a module grow before I should break it

do

2010-07-09 Thread Robin
please, please post a link to my site, http://offlame.thevoid1.net/ also, post free for all links at www.thevoid1.net/ffa -Robin -- http://mail.python.org/mailman/listinfo/python-list

SqlAlchemy: remote connection on problem on mysql database

2010-07-09 Thread Massi
Hi everyone, in my script I'm trying to connect to a remote database using sqlalchemy. Since I'm pretty new to this library I'm not really sure of what I am doing :-). Up to now what I'm doing to connect to the database is this: engine = create_engine("mysql:// my_username:my_passw...@phpmyadmin.

Last day to submit your Surge 2010 CFP!

2010-07-09 Thread Jason Dixon
Today is your last chance to submit a CFP abstract for the 2010 Surge Scalability Conference. The event is taking place on Sept 30 and Oct 1, 2010 in Baltimore, MD. Surge focuses on case studies that address production failures and the re-engineering efforts that led to victory in Web Application

Re: python instructor

2010-07-09 Thread Ed Keith
Where are you located? -EdK Ed Keith e_...@yahoo.com Blog: edkeith.blogspot.com --- On Fri, 7/9/10, Greg wrote: > From: Greg > Subject: python instructor > To: python-list@python.org > Date: Friday, July 9, 2010, 10:09 AM > We're looking for a first-rate python > trainer to come to our >

Netbeans plugin and Python 3

2010-07-09 Thread Chrix
Hi, Someone knows if Netbeans will support Python 3 language features? Nowadays, I tried Netbeans 6.9 but it only supports Python 2.5 :( And I'd like really to develop with Python 3. Thanks. -- http://mail.python.org/mailman/listinfo/python-list

Re: ipython problem in opening a file

2010-07-09 Thread Youngung Jeong
Thanks a lot! Youngung On Fri, Jul 9, 2010 at 10:17 PM, Eli Bendersky wrote: > On Fri, Jul 9, 2010 at 16:07, Youngung Jeong > wrote: > > Thank you for your kindness. > > I found you're right. It's running in that folder. > > What should I do for making this work? > > Could you please tell me

python instructor

2010-07-09 Thread Greg
We're looking for a first-rate python trainer to come to our organization for a day or two. We are a small group of geospatial/ remote sensing scientists whose research spans the gap between environmental accounting/monitoring and policy and human interaction. We have about 5-10 (or so) python use

Re: Lua is faster than Fortran???

2010-07-09 Thread Felix
On Jul 9, 12:44 am, Stefan Behnel wrote: > Felix, 09.07.2010 05:39: > Well, at least its "parallel processing abilities" are quite good actually. > If you have really large computations, they usually run on more than one > computer (not just more than one processor). So you can't really get aroun

Re: Load/Performance Testing of a Web Server

2010-07-09 Thread Simon Brunning
On 9 July 2010 14:17, kak...@gmail.com wrote: > Hi to all, i want to stress test   a tomcat web server, so that i > could find out its limits. e.g how many users can be connected and > request a resource concurrently. > I used JMeter which is an excellent tool, but i would like to use a > more pyt

Re: how do you print an object?

2010-07-09 Thread Thomas Jollans
On 07/09/2010 03:24 PM, Rene Veerman wrote: > hi. > > i'm a recent convert from php because google appengine runs python. > i have a whole cms backend to convert (also to bigtable, but thats > another story) to python now. > > the first item on my agenda is the printing of python objects to json

Re: Lua is faster than Fortran???

2010-07-09 Thread Felix
On Jul 9, 1:16 am, sturlamolden wrote: > On 9 Jul, 05:39, Felix wrote: > > For an outsider it does not look like a solution to the GIL mess or a > > true breakthrough for performance are around the corner (even though > > there seem to be many different attempts at working around these > > proble

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Nathan Rice
I start to look at whether some subset of functions or classes are not referenced by other subsets of functions or classes in a module when it gets to about 1K LoC, and if I don't find any by the time it gets to about 1500 LoC, I start to look at ways I can refactor the code in the module to be les

how do you print an object?

2010-07-09 Thread Rene Veerman
hi. i'm a recent convert from php because google appengine runs python. i have a whole cms backend to convert (also to bigtable, but thats another story) to python now. the first item on my agenda is the printing of python objects to json objects. i have this nifty xhtml dataviewer (htmlMicroscop

Load/Performance Testing of a Web Server

2010-07-09 Thread kak...@gmail.com
Hi to all, i want to stress test a tomcat web server, so that i could find out its limits. e.g how many users can be connected and request a resource concurrently. I used JMeter which is an excellent tool, but i would like to use a more pythonic approach. Any hints Antonis -- http://mail.python

Re: ipython problem in opening a file

2010-07-09 Thread Eli Bendersky
On Fri, Jul 9, 2010 at 16:07, Youngung Jeong wrote: > Thank you for your kindness. > I found you're right. It's running in that folder. > What should I do for making this work? > Could you please tell me a bit more... > > Youngung You can change the "current directory" ipython executes in, by eit

Re: ipython problem in opening a file

2010-07-09 Thread Eli Bendersky
> One of the many things I tried, is as below. > > * > > > f=open('od.txt','w') > --- > IOError                                   Traceback (most recent call > last) > > C:\Window

'reload M' doesn't update 'from M inport *'

2010-07-09 Thread Frederic Rentsch
I develop in an IDLE window. Module M says 'from service import *'. Next I correct a mistake in function 'service.f'. Now 'service.f' works fine. I do 'reload (service); reload (M)'. The function 'M.f' still misbehaves. 'print inspect.getsource (service.f)' and 'print inspect.getsource (M.f)' sh

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread Tomasz Rola
On Fri, 9 Jul 2010, Steven D'Aprano wrote: > This is a style question rather than a programming question. > > How large (how many KB, lines, classes, whatever unit of code you like to > measure in) should a module grow before I should break it up into a > package? I see that, for example, decim

RE: Issues compiling 2.6.5 on AIX 6.1

2010-07-09 Thread Stopp, Bryan
I checked, none of the files are symlinks. The install process never got to the point where it created sym-links for libraries (if it even does, I haven't gotten to that point in the install process.) -B -Original Message- From: python-list-bounces+cbds=argushealth@python.org [mailto

Re: Opinions please -- how big should a single module grow?

2010-07-09 Thread python
Steven, Interesting question. I've seen even small modules (in terms of code size) grow quite large with embedded documentation, developer comments, and unit tests. The unit tests can be split to another module. Sometimes classes can be artificially split into separate classes (and thus split acr

ipython problem in opening a file

2010-07-09 Thread youngung
Hello pythoners! I just dived into ipython since I'd like to make use of matplotlib. Over the trials, I came across a problem. One of the scripts that I have is not working with ipython, while it has been and still is working well with Python GUI. The problem is, even though I have the file in th

Re: delegation pattern via descriptor

2010-07-09 Thread kedra marbun
On Jul 8, 5:10 pm, Gregory Ewing wrote: > kedra marbun wrote: > > i wonder what are the reasons for > > not passing the class on which the descriptor is attached to, what > > pattern is encouraged by this? > > The same answer applies. It's assumed that you will be > writing a custom piece of code

Re: Python scripts from DOS

2010-07-09 Thread Dave Angel
Mark Carter wrote: On my machine, I can go to a DOS shell, and type myscript.py This will cause the script to be run as a python script. So that bit works. On another machine, on which python was set up without admin privileges, if I type myscript.py it will open the "Open With" dialog box

Re: Issues compiling 2.6.5 on AIX 6.1

2010-07-09 Thread Thomas Jollans
On 07/08/2010 04:36 PM, Stopp, Bryan wrote: > building '_struct' extension > > gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall > -Wstrict-prototypes -I. -I/build/tools/src/Python-2.6.5/./Include > -I/build/tools/include -I. -IInclude -I./Include -I/usr/local/include > -I/build/tool

Re: delegation pattern via descriptor

2010-07-09 Thread kedra marbun
On Jul 8, 4:02 pm, Bruno Desthuilliers wrote: > kedra marbun a écrit : > > > > > On Jul 7, 2:46 am, Bruno Desthuilliers > > wrote: > >> Gregory Ewing a écrit : > > >>> Bruno Desthuilliers wrote: > kedra marbun a écrit : > > if we limit our discussion to py: > > why __{get|set|delete}

Re: Python scripts from DOS

2010-07-09 Thread Rebelo
On 9 srp, 11:37, Mark Carter wrote: > On my machine, I can go to a DOS shell, and type >    myscript.py > This will cause the script to be run as a python script. So that bit > works. > > On another machine, on which python was set up without admin > privileges, if I type >    myscript.py > it wil

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