setuptools_bzr 1.2
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I'm happy to announce the setuptools_bzr 1.2 plugin for Python's setuptools. This allows setuptools to find your Python package files kept under the Bazaar revision control system. setuptools_bzr 1.2 should be compatible with Bazaar 1.5. This version fixes bug #237652 which prevented it from working correctly with loomified branches. It also adds an environment variable to force use of the command line bzr(1) even if bzrlib can be found. setuptools_bzr 1.2 is available in egg and source tarball format on the Python Package Index (a.k.a. Cheeseshop): http://pypi.python.org/pypi/setuptools_bzr/1.2 To use the plugin, just modify your setup() function in setup.py like so: setup(... setup_requires = [ 'setuptools_bzr', ], ...) The project home page is on Launchpad: https://launchpad.net/setuptoolsbzr Enjoy, - -Barry -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.9 (Darwin) iQCVAwUBSEglFHEjvBPtnXfVAQKjKQP+KG8zfnIVvMXsqUEnpbgmZt1Cd6v1RJOv TXXB3Zef5XZerniEFIVZOcA00xQ3PHdpxJLghh3MWUv8wRSIyIgtlRNx+wbKXBWv fxCvVScWAnW+Zycg4hIM1kUWsYzB4JyGzU9PXRT5oZh5SM1EDYMSQPMrcErukRIg 0rIXw2Ht6KA= =kAS7 -END PGP SIGNATURE- -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations.html
ANN: Resolver One 1.1 released
We are proud to announce the release of Resolver One, version 1.1 - the largest IronPython application in the world, we think, at 38,000 lines of production code backed up by 130,000 lines of unit and functional tests. Resolver One is a Rapid Application Development tool for analysing and presenting business data using a familiar spreadsheet interface, combined with a powerful IronPython-based scripting capability that allows you to insert your own code directly into the recalculation loop. There's a one-minute screencast about it here: http://www.resolversystems.com/screencasts/resolver-one-in-one For version 1.1 , we’ve made quite a lot of changes, hopefully making the program more responsive and pleasant to use - as well as adding cool new features. Some of the highlights: * Significant improvements to performance and memory usage. * Cutting and pasting is now more spreadsheet-like. * User-defined formatter functions on a per-cell basis. * Ability to unpack Python iterables into ranges of cells. * Auto-indent in the code editor. * Better coverage of standard spreadsheet functions. * Comments in cells. * For the financial edition, we've added Thomson Dataworks Enterprise connectivity and a number of great enhancements to Bloomberg access. We’ve put together a three-minute screencast outlining all these changes: http://www.resolversystems.com/screencasts/release-1.1/ It's free for non-commercial use (and quite cheap for commercial use :-), so if you would like to take a look, you can download it from our website (free registration required): http://www.resolversystems.com/get-it/ Best regards, Giles -- Giles Thomas MD CTO, Resolver Systems Ltd. [EMAIL PROTECTED] +44 (0) 20 7253 6372 Try out Resolver One! http://www.resolversystems.com/get-it/ (Free registration required) 17a Clerkenwell Road, London EC1M 5RD, UK VAT No.: GB 893 5643 79 Registered in England and Wales as company number 5467329. Registered address: 843 Finchley Road, London NW11 8NA, UK -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations.html
Looking for some good python learning resources on the web
What are the best sites to read to learn python? -- http://mail.python.org/mailman/listinfo/python-list
os.path.walk -- Can You Limit Directories Returned?
Greetings all.
I did some searching on this but I can't seem to find a specific
solution. I have code like this:
=
def walker1(arg, dirname, names):
DC_List.append((dirname,''))
os.path.walk('vcdcflx006\\Flex\\Sites', walker1, 0)
=
The Sites\ directory is set up like this:
Sites\
Baltimore
Birmingham
And so forth. Each of the city directories has directories under it as
well. The problem is that my code grabs every single directory that is
under the various city directories when what I really want it to do is
just grab the directories that are under Sites\ and that's it. I don't
want it to recurse down into the sub-directories of the cities.
Is there a way to do this? Or is os.path.walk not by best choice here?
Any help and/or advice would be appreciated.
- Jeff
--
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Re: os.path.walk -- Can You Limit Directories Returned?
Jeff Nyman schrieb:
Greetings all.
I did some searching on this but I can't seem to find a specific
solution. I have code like this:
=
def walker1(arg, dirname, names):
DC_List.append((dirname,''))
os.path.walk('vcdcflx006\\Flex\\Sites', walker1, 0)
=
The Sites\ directory is set up like this:
Sites\
Baltimore
Birmingham
And so forth. Each of the city directories has directories under it as
well. The problem is that my code grabs every single directory that is
under the various city directories when what I really want it to do is
just grab the directories that are under Sites\ and that's it. I don't
want it to recurse down into the sub-directories of the cities.
Is there a way to do this? Or is os.path.walk not by best choice here?
Any help and/or advice would be appreciated.
look into the modules glob and os.
Diez
--
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Problem with TimedRotatingFileHandler
Hi everyone
I'm trying to use python's logging mechanism to write exception data into a log
file with the TimedRotatingFileHandler but the rotating of the file is not
working...
Here's a bit of sample code of what I'm doing (just the interessting part of it
;-)):
import logging
import logging.handlers as handlers
class MyError(Exception):
fileName = os.path.join(os.path.dirname(__file__), 'Error.log')
def __init__(self):
fileHandler = handlers.TimedRotatingFileHandler(MyError.fileName,
when='m', interval=1, backupCount=1)
formatter = logging.Formatter('\n%(name)-12s: %(asctime)s
%(levelname)-8s %(message)s')
fileHandler.setFormatter(formatter)
logging.getLogger('').addHandler(fileHandler)
## Reference to the logger object
self.logger = logging.getLogger('FileLogger')
self.logger.setLevel(logging.INFO)
class MyInheritedError(MyError):
def __init__(self):
MyError.__init__(self)
self.logger.error(some stupid text :-))
The error classes do write into the log file, however there's no rotating. No
new file is created (and old ones renamed) nor are there any old log entries
deleted/replaced...
Does anyone have any idea what I could be missing? Might it be a problem due to
the fact that these classes inherit from Exception?
Would be really cool if some1 could help me :)
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Re: Image Processing (batch)
Thomas Guettler [EMAIL PROTECTED] wrote: I tried PIL for image batch processing. But somehow I don't like it - Font-Selection: You need to give the name of the font file. - Drawing on an image needs a different object that pasting and saving. - The handbook is from Dec. 2006. I have repeatedly seen the attitude in your last point, and I simply do not understand it. What on Earth is wrong with having a product that actually becomes stable? We all complain about Microsoft's feature bloat, rolling out unnecessary new releases of their products year after year with features that no one really needs. But when an open source product FAILS to produce a new release every six weeks, we start seeing posts questioning whether the product is still viable or has become abandonware. Once a product does the job it was designed to do, IT'S DONE. Personally, I think PIL is a great solution for batch processing, but the beauty of the open source world is that the ARE alternatives. -- Tim Roberts, [EMAIL PROTECTED] Providenza Boekelheide, Inc. -- http://mail.python.org/mailman/listinfo/python-list
Re: readline() seek() ???
DataSmash [EMAIL PROTECTED] wrote:
I have a text file that contains thousands of lines and each line is
256 characters long.
This is my task:
For each line in the file, move to the 25th character, if the
character is a T,
move to the 35th character of the line and read 5 characters from
there.
Capture these 5 characters and write them to a new text file, each 5
characters separated by a comma.
I appreciate your help!
Did you even TRY this? Your task reads like pseudocode that translates
virtually line-for-line to Python code.
fout = open('outputfile.txt','w')
for line in open('inputfile.txt'):
if line[24] == 'T':
fout.write( line[34:39] + ',' )
--
Tim Roberts, [EMAIL PROTECTED]
Providenza Boekelheide, Inc.
--
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Re: line continuation for lines ending in and or or
Dan Bishop [EMAIL PROTECTED] wrote:
On Jun 4, 10:09 pm, Russ P. [EMAIL PROTECTED] wrote:
I've always appreciated Python's lack of requirement for a semi-colon
at the end of each line. I also appreciate its rules for automatic
line continuation. If a statement ends with a +, for example, Python
recognizes that the statement obviously must continue.
I've noticed, however, that the same rule does not apply when a line
ends with and, or, or not. Yes, it's a minor point, but
shouldn't the same rule apply?
Seems like it would be easy to add.
...
Implicit line continuation only happens if you have an unmatched '('.
x = (2 +
... 2
... )
x
4
... or an unmatched [ or an unmatched {.
--
Tim Roberts, [EMAIL PROTECTED]
Providenza Boekelheide, Inc.
--
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Re: Problem with PEXPECT in Python
On 2008-06-04, Mallikarjun Melagiri [EMAIL PROTECTED] wrote: Hi Noah, I am new to python. I'm trying to use pexpect. Following is my problem definition: I should have a script on my machine A, which should 'ssh' to machine B and from there it shud copy a file to machine C thru 'scp'. Please help me. We don't do your work, unless you pay us. Instead, start solving the problem. Think about it, start experimenting/programming, for example first a ssh connection to B (or even a ssh connection to A would already do as first step). When you get stuck, post - the code - if Python produces an error, the PRECISE and COMPLETE error message, - a description of why you think it is a problem - a description of what you expect/want. On such specific problems you will receive good and useful answers. Sincerely, Albert -- http://mail.python.org/mailman/listinfo/python-list
ero magazines
http://ero-mag.net -- http://mail.python.org/mailman/listinfo/python-list
Re: os.path.walk -- Can You Limit Directories Returned?
Jeff Nyman wrote:
Greetings all.
I did some searching on this but I can't seem to find a specific
solution. I have code like this:
=
def walker1(arg, dirname, names):
DC_List.append((dirname,''))
os.path.walk('vcdcflx006\\Flex\\Sites', walker1, 0)
=
The Sites\ directory is set up like this:
Sites\
Baltimore
Birmingham
And so forth. Each of the city directories has directories under it as
well. The problem is that my code grabs every single directory that is
under the various city directories when what I really want it to do is
just grab the directories that are under Sites\ and that's it. I don't
want it to recurse down into the sub-directories of the cities.
Is there a way to do this? Or is os.path.walk not by best choice here?
Yes. But first, use the more modern iterator os.walk instead of the
older function calling os.path.walk. Then in either case (or at least
for the os.walk -- I'm a little rusty on the older os.path.walk) you can
modify in-place the subdirectory listing that was passed to you, thereby
controlling which subdirectories the walk follows.
Here's some examples:
for path, dirs, files in os.walk(root):
if 'etc' in dirs:
dirs.remove('etc')# Skip any directory named 'etc'
if path == 'whatever':
del dirs[:]# Clearing dirs means recurse into NO
subdirectory of path
... process the files of directory path...
Gary Herron
Any help and/or advice would be appreciated.
- Jeff
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--
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Re: os.path.walk -- Can You Limit Directories Returned?
On Jun 5, 4:54 pm, Jeff Nyman [EMAIL PROTECTED] wrote:
The problem is that my code grabs every single directory that is
under the various city directories when what I really want it to do is
just grab the directories that are under Sites\ and that's it. I don't
want it to recurse down into the sub-directories of the cities.
Is there a way to do this? Or is os.path.walk not by best choice here?
No, os.path.walk will always recurse through all of the sub, that's
its purpose. os.walk produces a generator, which you can then manually
step through if you wish:
_, DC_List, _ = os.walk('vcdcflx006\\Flex\\Sites\\*\\').next()
But I'd recommend checking out the glob module:
from glob import glob
DC_List = glob('vcdcflx006\\Flex\\Sites\\*\\')
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Re: Looking for some good python learning resources on the web
[EMAIL PROTECTED] wrote: What are the best sites to read to learn python? http://wiki.python.org/moin/BeginnersGuide Stefan -- http://mail.python.org/mailman/listinfo/python-list
Re: Question regarding re module
Tomohiro Kusumi schrieb: Hi, I have a question regarding re module. # By the way I'm not in this list, so I'm sorry but please CC me. I tried following code in Python shell using a regular expression. Why doesn't the result of dir(reg) have 'pattern', 'flags', and 'groupindex' although they exist as members of _sre.SRE_Pattern instance ? It sort of irritates me, because whenever I write Python code using a module which I'm not used to using, I often try Python shell with TAB complete to find out the member of module/instance. It could be that the result overloads the __getattr__-method to delegate calls to some object. Thus it's not part of the outer instance. Diez -- http://mail.python.org/mailman/listinfo/python-list
Interesting Math Problem
I've been awfully busy programming lately. My Django-based side
project is coming along well and I hope to have it ready for use in a
few weeks. Please don't ask more about it, that's really all I can say
for now. Anyways, I came across an interesting little math problem
today and was hoping some skilled programmers out there could come up
with a more elegant solution than mine.
Problem: Star Ratings
People can rate cheeseburgers on my website with a star rating of 0-5
stars (whole stars only), 5 being mighty tasty and 0 being disgusting.
I would like to show the average of everyone's ratings of a particular
cheeseburger to the nearest half star. I have already calculated the
average rating as a float (star_sum) and the total number of people
that rated the particular cheeseburger (num_raters). The result should
be stored as a float in a variable named stars.
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
Mmmm… In-N-Out Burgers… Please reply if you've got a better solution.
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Re: Why does python not have a mechanism for data hiding?
On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Wed, 04 Jun 2008 09:34:58 +, Antoon Pardon wrote: On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: it makes sense to me to also test if they work as documented. If they affect the behaviour of some public component, that's where the documentation should be. As I said they are public themselves for someone. Isn't that contradictory: Public for someone I always thought public meant accessible to virtually anyone. Not to only someone. For the programmer who writes or uses the private API it isn't really private, he must document it or know how it works. How does that make it not private. Private has never meant accessible to noone. And sure he must document it and know how it works. But that documentation can remain private, limited to the developers of the product. It doesn't have to be publicly documented. -- Antoon Pardon -- http://mail.python.org/mailman/listinfo/python-list
Squeak-like environment for Python?
I've been playing with Squeak a bit and I really like the persistent storage model, I also liked HyperCard and Frontier (well, the persistent storage model at least). I wonder if there is some similar environment but based on python, I would like to use this environment not as a development environment but as a platform for storing data etc - much like HyperCard. I found a few postings about such an environment: http://mail.python.org/pipermail/edu-sig/2006-April/006226.html but it looks like nothing happened. pythoncard doesn't seem to have the persistent storage model Have I missed something obvious? -- http://mail.python.org/mailman/listinfo/python-list
Re: Interesting Math Problem
BEES INC wrote:
I've been awfully busy programming lately. My Django-based side
project is coming along well and I hope to have it ready for use in a
few weeks. Please don't ask more about it, that's really all I can say
for now. Anyways, I came across an interesting little math problem
today and was hoping some skilled programmers out there could come up
with a more elegant solution than mine.
Problem: Star Ratings
People can rate cheeseburgers on my website with a star rating of 0-5
stars (whole stars only), 5 being mighty tasty and 0 being disgusting.
I would like to show the average of everyone's ratings of a particular
cheeseburger to the nearest half star. I have already calculated the
average rating as a float (star_sum) and the total number of people
that rated the particular cheeseburger (num_raters). The result should
be stored as a float in a variable named stars.
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
Mmmm… In-N-Out Burgers… Please reply if you've got a better solution.
for raw in [0.05 * n for n in range (41)]:
rounded = round(2.0*raw)/2.0
print %0.2f -- %0.2f % (raw,rounded)
--
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Re: Interesting Math Problem
On Jun 4, 9:03 am, BEES INC [EMAIL PROTECTED] wrote:
I've been awfully busy programming lately. My Django-based side
project is coming along well and I hope to have it ready for use in a
few weeks. Please don't ask more about it, that's really all I can say
for now. Anyways, I came across an interesting little math problem
today and was hoping some skilled programmers out there could come up
with a more elegant solution than mine.
Problem: Star Ratings
People can rate cheeseburgers on my website with a star rating of 0-5
stars (whole stars only), 5 being mighty tasty and 0 being disgusting.
I would like to show the average of everyone's ratings of a particular
cheeseburger to the nearest half star. I have already calculated the
average rating as a float (star_sum) and the total number of people
that rated the particular cheeseburger (num_raters). The result should
be stored as a float in a variable named stars.
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
Mmmm… In-N-Out Burgers… Please reply if you've got a better solution.
It'd be easier just to do the whole thing with ints. Represents your
stars by counting half-stars (i.e. 0 = no stars, 1 = half a star, 2 =
1 star, etc). Then you just need to divide by 2 at the end.
stars = round(star_sum/num_raters, 0) / 2.0
Iain
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Re: readline() seek() ???
On Jun 4, 5:30 pm, DataSmash [EMAIL PROTECTED] wrote: Hi group, I have a text file that contains thousands of lines and each line is 256 characters long. This is my task: For each line in the file, move to the 25th character, if the character is a T, move to the 35th character of the line and read 5 characters from there. Capture these 5 characters and write them to a new text file, each 5 characters separated by a comma. Your professor possibly reads comp.lang.python, and if so, is likely to know how to track you down with your IP address. Carl Banks -- http://mail.python.org/mailman/listinfo/python-list
Re: Interesting Math Problem
On Thu, Jun 5, 2008 at 11:52 AM, Chuckk Hubbard
[EMAIL PROTECTED] wrote:
On Wed, Jun 4, 2008 at 11:03 AM, BEES INC [EMAIL PROTECTED] wrote:
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
def roundstars(invalue):
inv *= 2
inv += .5
return float(int(inv))/2
seems to work for me.
My mistake:
a = (star_sum/num_raters) * 2
a += .5
stars = float(int(a))/2
-Chuckk
--
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--
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Re: multiprocessing module (PEP 371)
In article 877a5774-d3cc-49d3-bb64-5cab8505a419 @m3g2000hsc.googlegroups.com, [EMAIL PROTECTED] says... I don't see pyprocessing as a drop-in replacement for the threading module. Multi-threading and multi-processing code tend to be different, unless something like mutable objects in shared memory is used as well (cf. Python Shared Objects). If this limitation can educate Python programmers to use queues instead of locks and mutable objects, even multi-threaded Python programs may actually benefit. Some API differences between threading and multiprocessing do not matter. Programmers should not consider processes as a drop-in replacement for threads. This is probably not very central to the main intention of your post, but I see a terminology problem coming up here. It is possible for python objects to share a reference to some other object. This has nothing to do with threads or processes, although it can be used as a *mechanism* for threads and processes to share data. Another mechanism would be some copying and synchronization scheme, which is what posh seems to do. Or maybe not, I haven't used posh yet, I just read some docs (and I already hate the if process.fork(): idiom, what are they trying to do, reintroduce c-style assignment and swiching?). By the way I haven't done much thread and process programming, but the things I *have* done often combine threads and processes, like starting a console oriented program in a background process, redirecting the IO and communicate with it using an event loop in a thread. I gets more complicated when a gui thread is also involved, for example when retrofitting a gui interface to an existing terminal based chess or go playing program. P. -- http://mail.python.org/mailman/listinfo/python-list
Re: How to make py2.5 distutil to use VC2005?
The problem is not compiler, but runtime. For example, if python is built with runtime foo, and yours with runtime bar, and you use in bar a file handle, you're screwed: http://msdn.microsoft.com/en-us/library/ms235460(VS.80).aspx That's why you cannot build a python extension with VS 2005 for python 2003, in a reliable way. Thank you for providing this document. Indeed, passing internal pointers of one CRT lib to another is dangerous. But in most cases, the python extension only focus on computational-intensive jobs rather than API-intensive jobs. Therefore it is safe to let VS2003-built python to call VS2005-built extensions with some attentions. When you use distutil to trigger compilation, a special *python script* will check whether the default compiler is VS2003. If there is no VS2003, this script will pop-up the error for incompatible compilers. I really really wonder how to *force* distutil to use my specified compile. eg: (pseudo) python setup.py build -c VC2005 or python setup.py build --compiler=C:\VC8\cc --linker=C:\VC8\ld Regards, --- ShenLei -- http://mail.python.org/mailman/listinfo/python-list
comp.lang.python
www.freeservice6.blogspot.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Squeak-like environment for Python?
Jumping Arne wrote: I've been playing with Squeak a bit and I really like the persistent storage model, I also liked HyperCard and Frontier (well, the persistent storage model at least). I wonder if there is some similar environment but based on python, I would like to use this environment not as a development environment but as a platform for storing data etc - much like HyperCard. I found a few postings about such an environment: http://mail.python.org/pipermail/edu-sig/2006-April/006226.html but it looks like nothing happened. pythoncard doesn't seem to have the persistent storage model What about ZODB? You can use that to store (more or less) arbitrary objects. Maybe that can be a foundation, if you throw in http://nodebox.net/code/index.php/Home it might be similar to squeak (I only dimly remember what squeak as a whole is though - smalltalk easy multimedia I remember) Diez -- http://mail.python.org/mailman/listinfo/python-list
Re: Image Processing (batch)
Tim Roberts wrote: Thomas Guettler [EMAIL PROTECTED] wrote: I tried PIL for image batch processing. But somehow I don't like it - Font-Selection: You need to give the name of the font file. - Drawing on an image needs a different object that pasting and saving. - The handbook is from Dec. 2006. I have repeatedly seen the attitude in your last point, and I simply do not understand it. What on Earth is wrong with having a product that actually becomes stable? Nothing, and it is correct pointing that out. OTOH, there are billions of open source projects out there that started with an idea but never entered that finished state where they are useful, so-called abandonware. If the documentation is old, it is either stable or abandoned. Only a closer look can tell which of both, but statistically it is more likely that it is abandoned, sad as it is. Peace! Uli -- Sator Laser GmbH Geschäftsführer: Thorsten Föcking, Amtsgericht Hamburg HR B62 932 -- http://mail.python.org/mailman/listinfo/python-list
Re: Exit from os.chroot()
Tobiah [EMAIL PROTECTED] writes: It is better to make copies of the needed binaries and libraries, and *only* them. Or symbolic links, of course. Also, wouldn't links prevent the process from puffing actual binaries in /usr/bin? Well, if you create symlinks from the chroot jail that try to point to things outside the chroot, you are at least guaranteed that you won't give the chroot:ed process to much information. Unfortunately, you won't be giving it the tools it needs to do its designed job, either, since symlinks can't escape a chroot. -- Thomas Bellman, Lysator Computer Club, Linköping University, Sweden I don't think [that word] means what you! bellman @ lysator.liu.se think it means. -- The Princess Bride! Make Love -- Nicht Wahr! -- http://mail.python.org/mailman/listinfo/python-list
Python and Harry Potter?
Hi, just to let you know ... Today I've got an email from Amazon recommending me Harry Potter and the Deathly Hallows and they told me why they recommended this book, because I've bought Core PYTHON Programming Didn't know, Harry Potter is a Python fan. -- Helmut Jarausch Lehrstuhl fuer Numerische Mathematik RWTH - Aachen University D 52056 Aachen, Germany -- http://mail.python.org/mailman/listinfo/python-list
can you help me
nbsp; hello please, I have this error,nbsp;error C1083nbsp;Cannot open include file BaseTsd.h, invalide argument, I installed the platformSDKnbsp;, but the same error , can you help me __ Do You Yahoo!? En finir avec le spam? Yahoo! Mail vous offre la meilleure protection possible contre les messages non sollicités http://mail.yahoo.fr Yahoo! Mail -- http://mail.python.org/mailman/listinfo/python-list
Re: multiprocessing module (PEP 371)
On Jun 5, 11:02 am, pataphor [EMAIL PROTECTED] wrote: This is probably not very central to the main intention of your post, but I see a terminology problem coming up here. It is possible for python objects to share a reference to some other object. This has nothing to do with threads or processes, although it can be used as a *mechanism* for threads and processes to share data. It is complicated in the case of processes, because the object must be kept in shared memory. The complicating factor is that the base address of the memory mapping, which is not guaranteed to be the same in the virtual address space of different processes. -- http://mail.python.org/mailman/listinfo/python-list
Re: The Importance of Terminology's Quality
Robert Maas, http://tinyurl.com/uh3t wrote: From: [EMAIL PROTECTED] (David Combs) Lisp is *so* early a language (1960?), preceeded mainly only by Fortran (1957?)?, and for sure the far-and-away the first as a platform for *so many* concepts of computer-science, eg lexical vs dynamic (special) variables, passing *unnamed* functions as args ... maybe is still the only one in which program and data have the same representation -- that it'd seem logical to use it's terminology in all languages. Yeah, but why did you cross-post to so many newsgroups? Are you trying to run a flame war between advocates of the various languages? What would be the point? We all know that Java, Perl, Python and Lisp suck. They don't even have pattern matching over algebraic sum types if you can imagine that. How rudimentary... -- Dr Jon D Harrop, Flying Frog Consultancy http://www.ffconsultancy.com/products/?u -- http://mail.python.org/mailman/listinfo/python-list
Re: Squeak-like environment for Python?
Diez B. Roggisch a écrit : Jumping Arne wrote: I've been playing with Squeak a bit and I really like the persistent storage model, I also liked HyperCard and Frontier (well, the persistent storage model at least). I wonder if there is some similar environment but based on python, I would like to use this environment not as a development environment but as a platform for storing data etc - much like HyperCard. I found a few postings about such an environment: http://mail.python.org/pipermail/edu-sig/2006-April/006226.html but it looks like nothing happened. pythoncard doesn't seem to have the persistent storage model What about ZODB? You can use that to store (more or less) arbitrary objects. Maybe that can be a foundation, if you throw in http://nodebox.net/code/index.php/Home it might be similar to squeak (I only dimly remember what squeak as a whole is though - smalltalk easy multimedia I remember) Mainly, Squeak is a (relatively) recent, free implementation of Smalltalk. disclaimer=please someone correct me if I'm wrong The persistent storage model - the 'image' storing the whole system (code, libs, data, whatever) - is part of the Smalltalk system since it's first conception IIRC (even if some Smalltalk implementations - like GNU Smalltalk - are more traditionnaly file-based and have no automatic persistence). /disclaimer -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
On Thu, 05 Jun 2008 11:58:14 +0200, Helmut Jarausch wrote: Today I've got an email from Amazon recommending me Harry Potter and the Deathly Hallows and they told me why they recommended this book, because I've bought Core PYTHON Programming Didn't know, Harry Potter is a Python fan. I would've expected something with more magic, like Perl. :-) Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
On Thu, 05 Jun 2008 08:21:41 +, Antoon Pardon wrote: On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Wed, 04 Jun 2008 09:34:58 +, Antoon Pardon wrote: On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: it makes sense to me to also test if they work as documented. If they affect the behaviour of some public component, that's where the documentation should be. As I said they are public themselves for someone. Isn't that contradictory: Public for someone I always thought public meant accessible to virtually anyone. Not to only someone. For the programmer who writes or uses the private API it isn't really private, he must document it or know how it works. How does that make it not private. Private has never meant accessible to noone. And sure he must document it and know how it works. But that documentation can remain private, limited to the developers of the product. It doesn't have to be publicly documented. If the audience is the programmer(s) who implement the private API it is not private but public. Even the public API is somewhat private to a user of a program that uses that API. The public is not virtually anyone here. Depends at which level you look in the system. Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list
Re: Squeak-like environment for Python?
Check out the Brainwave platform, which uses a new neural database model. It allows you to create databases to store any kind of Python object as a neuron and allows objects to be connected via link to create complex structures that don't require conventional tables and columns. It is a development platform that has a bundled webserver based on CherryPy, with a built-in application generator and deployer. http://www.brainwavelive.com On Thu, Jun 5, 2008 at 6:08 AM, Bruno Desthuilliers [EMAIL PROTECTED] wrote: Diez B. Roggisch a écrit : Jumping Arne wrote: I've been playing with Squeak a bit and I really like the persistent storage model, I also liked HyperCard and Frontier (well, the persistent storage model at least). I wonder if there is some similar environment but based on python, I would like to use this environment not as a development environment but as a platform for storing data etc - much like HyperCard. I found a few postings about such an environment: http://mail.python.org/pipermail/edu-sig/2006-April/006226.html but it looks like nothing happened. pythoncard doesn't seem to have the persistent storage model What about ZODB? You can use that to store (more or less) arbitrary objects. Maybe that can be a foundation, if you throw in http://nodebox.net/code/index.php/Home it might be similar to squeak (I only dimly remember what squeak as a whole is though - smalltalk easy multimedia I remember) Mainly, Squeak is a (relatively) recent, free implementation of Smalltalk. disclaimer=please someone correct me if I'm wrong The persistent storage model - the 'image' storing the whole system (code, libs, data, whatever) - is part of the Smalltalk system since it's first conception IIRC (even if some Smalltalk implementations - like GNU Smalltalk - are more traditionnaly file-based and have no automatic persistence). /disclaimer -- http://mail.python.org/mailman/listinfo/python-list -- | _ | * | _ | | _ | _ | * | | * | * | * | -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
On 2008-06-05, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Thu, 05 Jun 2008 08:21:41 +, Antoon Pardon wrote: On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Wed, 04 Jun 2008 09:34:58 +, Antoon Pardon wrote: On 2008-06-04, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: it makes sense to me to also test if they work as documented. If they affect the behaviour of some public component, that's where the documentation should be. As I said they are public themselves for someone. Isn't that contradictory: Public for someone I always thought public meant accessible to virtually anyone. Not to only someone. For the programmer who writes or uses the private API it isn't really private, he must document it or know how it works. How does that make it not private. Private has never meant accessible to noone. And sure he must document it and know how it works. But that documentation can remain private, limited to the developers of the product. It doesn't have to be publicly documented. If the audience is the programmer(s) who implement the private API it is not private but public. Even the public API is somewhat private to a user of a program that uses that API. The public is not virtually anyone here. Depends at which level you look in the system. I think there is a general consensus about on what level to look when we are talking about private and public attributes. You can of course start talking at a whole different level and as such use these words with a meaning different than normally understood. But that will just make it harder for you to get your ideas accross. -- Antoon Pardon -- http://mail.python.org/mailman/listinfo/python-list
Re: Update
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Re: Why does python not have a mechanism for data hiding?
Antoon Pardon a écrit : On 2008-06-04, NickC [EMAIL PROTECTED] wrote: On Jun 4, 4:09 am, Russ P. [EMAIL PROTECTED] wrote: What is it about leading underscores that bothers me? To me, they are like a small pebble in your shoe while you are on a hike. Yes, you can live with it, and it does no harm, but you still want to get rid of it. With leading underscores, you can see *at the point of dereference* that the code is accessing private data. @NickC : InMyArms(tm) ! But the leading underscore doesn't tell you whether it is your own private date, which you can use a you see fit, or those of someone else, which you have to be very carefull with. That's why we have __name_mangling too. Consider '_' as 'protected' and '__' as private. -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
Python fan??? Harry speaks Python fluently. We should all be so lucky! I'm told Harry is looking forward to Py3K and getting rid of all the old (hog)warts -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
Harry Potter is a Parselmouth. He can speak to snakes. Of course, Amazon would get this right! Sheesh! On Thu, Jun 5, 2008 at 6:10 AM, Marc 'BlackJack' Rintsch [EMAIL PROTECTED] wrote: On Thu, 05 Jun 2008 11:58:14 +0200, Helmut Jarausch wrote: Today I've got an email from Amazon recommending me Harry Potter and the Deathly Hallows and they told me why they recommended this book, because I've bought Core PYTHON Programming Didn't know, Harry Potter is a Python fan. I would've expected something with more magic, like Perl. :-) Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list -- | _ | * | _ | | _ | _ | * | | * | * | * | -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
Russ P. a écrit : (snip) (answering to Carl Bank) I thought you were saying that encapsulation or so-called data hiding is worthless. As far as I'm concerned, I view encapsulation as very desirable, and data-hidding as totally worthless when applied to Python's object model. Here's what I think Python should have. I think it should have a keyword, something like priv, to identify data or functions as private. As I said earlier, private for class data or functions (methods) could be implemented like protected in C++. That means that derived classes would have access to it, but clients of the class would not. If the client really needs or wants access, he could be given a sort of back door access similar to the current Python rule regarding double leading underscores. Thus, the client would have access, but he would know very well that he is using something that the original designer did not intend for him to use. It's just a suggestion. I'm not a language expert, and I realize that I could be missing something important. Given your very recent discovery of what 'dynamic' *really* means in Python (like, for exemple, dynamically adding / replacing attributes - including methods - on a per-class or per-instance basis), possibly, yes. I also realize, by the way, that Python allows a client of a class to define a new class member from completely outside the class definition. Obviously, that cannot be declared private. Why so ? But if the same identifier is already declared private within the class, than the new definition should not be allowed (because it would defeat the whole idea of private class members). Why so ? Metaprogramming (including monkeypatching) is part of the pythoneer's toolbox, and while it's not something to use without pretty good reasons, it has many times proven to be a real life saver. In languages not allowing it, the solutions to the class of problems easily solved by monkeypatching happens to be at best a kludge, at worst plain unsolvable, at least without too much effort to be even worth it. Your above proposition would arbitrarily make possible and useful things either uselessly complicated or near impossible. -- http://mail.python.org/mailman/listinfo/python-list
Re: line continuation for lines ending in and or or
Dennis Lee Bieber wrote: On Wed, 4 Jun 2008 21:50:19 -0700 (PDT), Russ P. [EMAIL PROTECTED] declaimed the following in comp.lang.python: Darnit! You're right. I've been reading up on Scala lately, and I guess I got confused. Well, it wouldn't be a bad idea for Python to do what I thought it did, *plus* what I said it ought to do. Is it that much of a difficulty to start multiline expresssions with a (... That already covers all the conditions you want... Or just using a line ending of \ (which I find less appealing than the (... ) I suppose this is a matter of taste. I find using parenthesis to trigger line continuations undesirable. Lines ending in backslash are explicit and easy to mentally parse. -Larry -- http://mail.python.org/mailman/listinfo/python-list
Re: Question regarding re module
Diez,
Thanks, you're right.
Delegated attributes are not in the dir() result.
getattr(reg, pattern)
'[0-9]+'
getattr(reg, flags)
0
getattr(reg, groupindex)
{}
Tomohiro Kusumi
Tomohiro Kusumi schrieb:
Hi,
I have a question regarding re module.
# By the way I'm not in this list, so I'm sorry but please CC me.
I tried following code in Python shell using a regular expression.
Why doesn't the result of dir(reg) have 'pattern', 'flags', and
'groupindex' although they exist as members of _sre.SRE_Pattern
instance ?
It sort of irritates me, because whenever I write Python code
using a module which I'm not used to using, I often try Python
shell with TAB complete to find out the member of module/instance.
It could be that the result overloads the __getattr__-method to delegate
calls to some object. Thus it's not part of the outer instance.
Diez
--
http://mail.python.org/mailman/listinfo/python-list
Re: os.path.walk -- Can You Limit Directories Returned?
Thank you to everyone for your help. Much appreciated. I now have a better understanding of how glob can be used and I have a much better understanding of using the more effective os.walk. - Jeff -- http://mail.python.org/mailman/listinfo/python-list
Creating A Tuple From A List, Adding To Tuple As You Do
Greetings all.
The subject line of this thread is probably one of the worst ever. I
was trying to encapsulate what I am doing. Based on my new-found
knowledge from another thread, I'm able to get a list of directories
and they come to me in the form of a list. Here is an example:
from glob import glob
DC_List = glob('vcdcflx006\\Flex\\Sites\\*\\')
DC_List = ['Baltimore', 'Birmingham', 'Cincinnati', 'Cleveland',
LosAngeles']
(Each element in the DC_List is actually a full directory path, but I
shortened that in the interest of clarity.)
The problem is that I need to pass this list to a list control in a
wxWidgets application. In order to do that, I need to pass in a list
like this:
[ ('Baltimore', ''), ('Birmingham', ''), ('Cincinnati', ''),
('Cleveland', ''), ('LosAngeles', '') ]
In other words, each element in the list is a tuple that has an empty
second string. The problem I'm having is in converting my list above
to be of this type. I can't do append because that (logically) puts
everything at the end. I did try this:
for count in range(0, len(DC_List)):
DC_List.insert(count, '')
Here I was thinking I could insert a '' into the right place after
each entry in the list. That doesn't quite work. Does anyone have an
idea of a good approach here? (I did search on tuples and lists and
while I found a lot of information about both, I couldn't find a
solution that did what I'm discussing above.)
- Jeff
--
http://mail.python.org/mailman/listinfo/python-list
Re: readline() seek() ???
On Jun 5, 3:50 am, Carl Banks [EMAIL PROTECTED] wrote: On Jun 4, 5:30 pm, DataSmash [EMAIL PROTECTED] wrote: Hi group, I have a text file that contains thousands of lines and each line is 256 characters long. This is my task: For each line in the file, move to the 25th character, if the character is a T, move to the 35th character of the line and read 5 characters from there. Capture these 5 characters and write them to a new text file, each 5 characters separated by a comma. Your professor possibly reads comp.lang.python, and if so, is likely to know how to track you down with your IP address. Carl Banks Marc, Thanks. Tim, Thanks for the code. It's a easy task IF you know what to look for. I didn't. Carl, I'm not a student. Was just looking for some ideas. -- http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
Jeff Nyman [EMAIL PROTECTED] writes:
from glob import glob
DC_List = glob('vcdcflx006\\Flex\\Sites\\*\\')
DC_List = ['Baltimore', 'Birmingham', 'Cincinnati', 'Cleveland',
LosAngeles']
The problem is that I need to pass this list to a list control in a
wxWidgets application. In order to do that, I need to pass in a list
like this:
[ ('Baltimore', ''), ('Birmingham', ''), ('Cincinnati', ''),
('Cleveland', ''), ('LosAngeles', '') ]
That's not hard:
[ (x,'') for x in DC_List ]
Yours
Karsten
--
http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
On Jun 5, 7:41 am, Jeff Nyman [EMAIL PROTECTED] wrote:
DC_List = ['Baltimore', 'Birmingham', 'Cincinnati', 'Cleveland',
LosAngeles']
(Each element in the DC_List is actually a full directory path, but I
shortened that in the interest of clarity.)
The problem is that I need to pass this list to a list control in a
wxWidgets application. In order to do that, I need to pass in a list
like this:
[ ('Baltimore', ''), ('Birmingham', ''), ('Cincinnati', ''),
('Cleveland', ''), ('LosAngeles', '') ]
tupleized_city_list = [ (city,'') for city in DC_list ]
-- Paul
--
http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
On Jun 5, 1:41 pm, Jeff Nyman [EMAIL PROTECTED] wrote:
Greetings all.
The subject line of this thread is probably one of the worst ever. I
was trying to encapsulate what I am doing. Based on my new-found
knowledge from another thread, I'm able to get a list of directories
and they come to me in the form of a list. Here is an example:
from glob import glob
DC_List = glob('vcdcflx006\\Flex\\Sites\\*\\')
DC_List = ['Baltimore', 'Birmingham', 'Cincinnati', 'Cleveland',
LosAngeles']
NEW_LIST = [(entry, '') for entry in DC_List]
Does this get you what you want?
Michael Foord
http://www.ironpythoninaction.com
(Each element in the DC_List is actually a full directory path, but I
shortened that in the interest of clarity.)
The problem is that I need to pass this list to a list control in a
wxWidgets application. In order to do that, I need to pass in a list
like this:
[ ('Baltimore', ''), ('Birmingham', ''), ('Cincinnati', ''),
('Cleveland', ''), ('LosAngeles', '') ]
In other words, each element in the list is a tuple that has an empty
second string. The problem I'm having is in converting my list above
to be of this type. I can't do append because that (logically) puts
everything at the end. I did try this:
for count in range(0, len(DC_List)):
DC_List.insert(count, '')
Here I was thinking I could insert a '' into the right place after
each entry in the list. That doesn't quite work. Does anyone have an
idea of a good approach here? (I did search on tuples and lists and
while I found a lot of information about both, I couldn't find a
solution that did what I'm discussing above.)
- Jeff
--
http://mail.python.org/mailman/listinfo/python-list
Re: Question regarding re module
On Jun 5, 7:11 am, Tomohiro Kusumi [EMAIL PROTECTED] wrote: It could be that the result overloads the __getattr__-method to delegate calls to some object. Thus it's not part of the outer instance. Didn't I read that Py3 will support a __dir__ method so that classes *could* report such pseudo-attributes in response to dir? -- Paul -- http://mail.python.org/mailman/listinfo/python-list
Re: re
On Wed, 04 Jun 2008 20:07:41 +0200, Diez B. Roggisch [EMAIL PROTECTED] wrote: Whitespace is actually \s. But [\s]disc[whatever] doesn't do the job - then it won't match (disc), which counts as disc appearing as a full word. Ok, then this works: Yes it does. My real question was why doesn't a construction like (A|B)C work as expected. The code below shows that it does. That puzzled me because I couldn't see any real difference between your solution here and things I'd tried that didn't work. But those things also work in the code below - when I saw this just now I was even more confused... Oh. Turns out the actual reason for the confusion wasn't regex syntax, it was the fact that findall doesn't return what I thought it did - looking at the result of findall() it seemed as thought the re was matching empty strings and whitespace... Looking more carefully at what findall is supposed to do everything makes sense. Sorry to be dense. Remind me to read more than the first sentence next time: findall (pattern, string) Return a list of all non-overlapping matches of pattern in string. If one or more groups are present in the pattern, return a list of groups;... import re test = disc (disc) foo disc bar discuss .split(\n) for t in test: if re.search(r(^|[^\w])(disc)($|[^\w]), t): print success:, t Also I think you have ^ and $ backwards, and there's a ^ I don't understand. I _think_ that a correct version Yep, sorry for the confusion. Diez David C. Ullrich -- http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
Thanks to everyone who responded! Yes, those solutions all work and do what I need. I'm also getting much more familiar with how flexible Python is in terms of its language. I think that's been the hardest challenge for me. I'm usually finding I try to overdo it when coming up with solutions. Once again, many thanks. - Jeff -- http://mail.python.org/mailman/listinfo/python-list
Re: Books for learning how to write big programs
On May 22, 12:49 pm, Kurt Smith [EMAIL PROTECTED] wrote: On Thu, May 22, 2008 at 10:55 AM, duli [EMAIL PROTECTED] wrote: Hi: I would like recommendations forbooks(in any language, not necessarily C++, C, python) which have walkthroughs for developing a big software project ? So starting from inception, problem definition, design, coding and final delivery on a single theme or application. The bigger the project, the more likely it is that you'll have documentation on how to use it (for a language or library, how to use the features in your program) but to take the time to write up a dead-tree book on the project's inception, problem definition, design, coding and final delivery is not likely well spent. Anyone who has the expertise to write such a book would probably be spending his time working on the next phase of the project itself. Someone will probably respond with an amazon link to a book that does exactly what you're asking, in which case, I will stand corrected. But I'll be surprised. Most of the code I have written andbooksthat I have read deal with toy programs and I am looking for something a bit more comprehensive. For example, maybe a complete compiler written in C++ for some language, or a complete web server or implementing .net libraries in some language (just a few examples of the scale of things I am interested in learning). It seems to me the reason toy programs are so prevalent is because they illustrate a (few) well defined ideas in a short amount of code. A big project, necessarily, brings together all kinds of stuff, much of which may not interest the author at all, and so doesn't motivate him to write a book about it. Compilers, web servers .NET libraries are *widely* varying areas. You may have interest in them all, but to significantly contribute to any requires a fair amount of expertise and specialization. The best route I've found to learn how to organize program large scale applications is this: find a cutting edge program that interests you and that is open source. Download its source, and read the code. Diagram it. Map it out. Read the comments. Join the mailing list (probably the developer's list), lurk for a while, and ask questions about why they organized things the way they did. Get the overall big picture and learn from it. Better yet, find out what pitfalls they found and avoided (or fell into). Compare their approach organization with another competing project. This is the wonder of open source software -- you have access to everything, and can learn from all the expertise the developers put into their opus. You can learn the basics frombooks, but nothing beats analyzing a species in the wild. I think I have lately understood what you mean, thanks to Programming Python 3rd Ed by Lutz. It doesn't teach Python itself -- the book aims to teach Python programming at an application level, but I'm starting to wonder whether that knowledge can be obtained from any book. The book goes through over 1500 pages (!) giving small- and medium-sized example programs and describing their details. Roughly after a couple of hundred pages I started to feel like all that was trivial (isn't looking at code and figuring their details what we do in our every-day programmer lifes?), and then started to feel like it was really useless. Maybe large-scale programming can only be self-thought in every day life, am I right?. -- http://mail.python.org/mailman/listinfo/python-list
Re: The Importance of Terminology's Quality
On 5 Giu, 12:37, Jon Harrop [EMAIL PROTECTED] wrote: [...] P.S. Please don't look at my profile (at google groups), thanks! Jon Harrop -- http://mail.python.org/mailman/listinfo/python-list
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Re: Tuples part 2
On Jun 5, 1:37 am, [EMAIL PROTECTED] wrote: [EMAIL PROTECTED]: Do you mean something like this? (notice the many formatting differences, use a formatting similar to this one in your code) coords = [] for i in xrange(1, 5): for j in xrange(1, 5): for k in xrange(1, 2): coords.append( (i, j, k) ) coords *= 10 print coords Bye, bearophile Hi, the result i would like is similar to a set of n tuples: tuple_1, tuple_2,...,tuple_n. I use h in order to enumerate the tuples and i,j,k would be the coordinates. Maybe something like: tuple_1=((a,b,c),..,(n,n,n)) . . . tuple_n=((d,e,f),..,(n,n,n)) I hope u can help me with that. Victor -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
On Jun 3, 6:54 pm, sturlamolden [EMAIL PROTECTED] wrote: On May 24, 3:41 pm, Sh4wn [EMAIL PROTECTED] wrote: first, python is one of my fav languages, and i'll definitely keep developing with it. But, there's 1 one thing what I -really- miss: data hiding. I know member vars are private when you prefix them with 2 underscores, but I hate prefixing my vars, I'd rather add a keyword before it. Python has no data hiding because C++ has (void *). Python underscores does some name mangling, but does not attempt any data hiding. Python and C has about the same approach to data hiding. It is well tried, and works equally well in both languages: # this is mine, keep your filthy paws off!!! Irresponsible programmers should not be allowed near a computer anyway. If you use data hiding to protect your code from yourself, what you really need is some time off to reconsider your career. So, you are stating that no API programmer using Python *ever* has a valid or genuine reason for wanting (even if he can't have it) genuine 'hiding' of internal state or members from consumers of his (or her...) API? Michael Foord http://www.ironpythoninaction.com/ -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
Helmut Jarausch wrote: Hi, just to let you know ... Today I've got an email from Amazon recommending me Harry Potter and the Deathly Hallows and they told me why they recommended this book, because I've bought Core PYTHON Programming Didn't know, Harry Potter is a Python fan. If you scan the alt.fan.harry-potter archives carefully, you will find at least one well-known Python core developer. :-) -- Hans Nowak (zephyrfalcon at gmail dot com) http://4.flowsnake.org/ -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Flaming Thunder
Dave Parker [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] Kind of like how this year's program won't work on next year's Python? Except Flaming Thunder is faster. ;) To be fair (and accurate), Python 3.0 has been in development for a long time without being marketed for production use. Furthermore, there is no reason to think 3.0 will take over next year. It's already been stated that it may be years before it does, and meanwhile 2.x will continue to be developed. Also, and this is purely my novice opinion, it seems like the incompatibilites are mainly going to come from program written in older versions of Python. The big, noticeable changes in 3.0 hardly seem to affect anything you'll write in recent versions of Python (and that 2to3 won't fix otherwise). -- http://mail.python.org/mailman/listinfo/python-list
[no subject]
Hi there. So I have a challenge in the Python book I am using (python programming for the absolute beginner) that tells me to improve an ask_number() function, so that it can be called with a step value, and I havn't been able to find out yet what's meant by a step value, but i'll keep looking of course. I'd just be grateful if someone could illimunate this for me. def ask_number(question, low, high):Ask for a number within a range. response = Nonewhile response not in range(low, high):response = int(raw_input(question))return response Thanks in advance. -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On Jun 5, 9:26 am, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 1:37 am, [EMAIL PROTECTED] wrote: [EMAIL PROTECTED]: Do you mean something like this? (notice the many formatting differences, use a formatting similar to this one in your code) coords = [] for i in xrange(1, 5): for j in xrange(1, 5): for k in xrange(1, 2): coords.append( (i, j, k) ) coords *= 10 print coords Bye, bearophile Hi, the result i would like is similar to a set of n tuples: tuple_1, tuple_2,...,tuple_n. I use h in order to enumerate the tuples and i,j,k would be the coordinates. From the pseudocode you wrote at first, tuple_1, tuple_2, ..., tuple_n would be all equal. Is this intentional, and if so, what's the purpose ? George -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Flaming Thunder
Dave Parker [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] On May 20, 7:05 pm, Collin [EMAIL PROTECTED] wrote: --- For example, consider the two statements: x = 8 x = 10 The reaction from most math teachers (and kids) was one of those is wrong because x can't equal 2 different things at the same time. --- Aw, come on. I'm a novice programmer but even after reading the most basic of introductions to a programming language I can tell that x is being assigned one value, then another. It doesn't seem fair to take statements like the above out of the context of a program and then ask teachers and students about it. This statement: 2 + 2 = 4 means something in the context of an elementary math class, but is clearly not an assignment statement in Python. But I've never encountered anyone who was confused by this distinction, as long as you know where this line belongs. -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
Casey wrote: Python fan??? Harry speaks Python fluently. We should all be so lucky! I'm told Harry is looking forward to Py3K and getting rid of all the old (hog)warts Well, how about another Python renaming flame thread then? Let's call Python 3.0 Parselmouth instead ... Regards, Björn -- BOFH excuse #83: Support staff hung over, send aspirin and come back LATER. -- http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
Jeff Nyman [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] Does anyone have an idea of a good approach here? I think it's pretty cool that all three responses to your question suggested the exact same solution. But I guess that in itself is a feature of Python. :) -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Flaming Thunder
On Thu, Jun 5, 2008 at 9:43 AM, John Salerno [EMAIL PROTECTED] wrote: Dave Parker [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] On May 20, 7:05 pm, Collin [EMAIL PROTECTED] wrote: --- For example, consider the two statements: x = 8 x = 10 The reaction from most math teachers (and kids) was one of those is wrong because x can't equal 2 different things at the same time. --- Aw, come on. I'm a novice programmer but even after reading the most basic of introductions to a programming language I can tell that x is being assigned one value, then another. It doesn't seem fair to take statements like the above out of the context of a program and then ask teachers and students about it. This statement: 2 + 2 = 4 means something in the context of an elementary math class, but is clearly not an assignment statement in Python. But I've never encountered anyone who was confused by this distinction, as long as you know where this line belongs. Yeah, that's sort of like I mentioned earlier in the thread about there being a time dependence between the two. Not only that, but I just realized that Dave has trotted out several times the notion of representing (and solving) a quadratic equation in FT. Well, let's see... (x-9)**2 - 1 = (too lazy to do the expansion to write in ax**2 + bx + c format) = 0... solve solve solve... wait, x = 8 and x = 10! But how can that be, Dave? You and your elementary kids just told me I can't have two values for x... ;) -- http://mail.python.org/mailman/listinfo/python-list
Re: Interesting Math Problem
BEES INC wrote:
I've been awfully busy programming lately. My Django-based side
project is coming along well and I hope to have it ready for use in a
few weeks. Please don't ask more about it, that's really all I can say
for now. Anyways, I came across an interesting little math problem
today and was hoping some skilled programmers out there could come up
with a more elegant solution than mine.
Problem: Star Ratings
People can rate cheeseburgers on my website with a star rating of 0-5
stars (whole stars only), 5 being mighty tasty and 0 being disgusting.
I would like to show the average of everyone's ratings of a particular
cheeseburger to the nearest half star. I have already calculated the
average rating as a float (star_sum) and the total number of people
that rated the particular cheeseburger (num_raters). The result should
be stored as a float in a variable named stars.
Much simpler this way. This produces the number of whole start and the
number of half stars:
v = ... calculate the average ...
whole = int(v+0.25)
half = int(2*(v+0.25-whole))
Gary Herron
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
Mmmm… In-N-Out Burgers… Please reply if you've got a better solution.
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Re: Interesting Math Problem
On Wed, Jun 4, 2008 at 11:03 AM, BEES INC [EMAIL PROTECTED] wrote:
My Solution (in Python):
# round to one decimal place and
# separate into whole and fractional parts
parts = str(round(star_sum/num_raters, 1)).split('.')
whole = int(parts[0])
frac = int(parts[1])
if frac 3:
___frac = 0
elif frac 7:
___frac = 0
___whole += 1
else:
___frac = 5
# recombine for a star rating rounded to the half
stars = float(str(whole)+'.'+str(frac))
def roundstars(invalue):
inv *= 2
inv += .5
return float(int(inv))/2
seems to work for me.
Mmmm… In-N-Out Burgers… Please reply if you've got a better solution.
I've never had the pleasure, but I've heard they're a wonderful experience.
-Chuckk
--
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Re:
I don't want to spoil the fun, so I'll just say that range is the key here. Quentin On Thu, Jun 5, 2008 at 3:43 PM, garywood [EMAIL PROTECTED] wrote: Hi there. So I have a challenge in the Python book I am using (python programming for the absolute beginner) that tells me to improve an ask_number() function, so that it can be called with a step value, and I havn't been able to find out yet what's meant by a step value, but i'll keep looking of course. I'd just be grateful if someone could illimunate this for me. def ask_number(question, low, high): Ask for a number within a range. response = None while response not in range(low, high): response = int(raw_input(question)) return response Thanks in advance. -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On 5 июн, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan -- http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
Hi Jeff, Jeff Nyman [EMAIL PROTECTED] writes: I did try this: for count in range(0, len(DC_List)): DC_List.insert(count, '') On additional note: You can be quite sure you'll never have to iterate over the length of a list (or tuple) in python. Just iterate over the list itself: for DC in DC_List: # do something with DC. Yours Karsten -- http://mail.python.org/mailman/listinfo/python-list
Re: Python and Harry Potter?
On Thu, Jun 5, 2008 at 10:29 AM, Hans Nowak [EMAIL PROTECTED] wrote: Helmut Jarausch wrote: Hi, just to let you know ... Today I've got an email from Amazon recommending me Harry Potter and the Deathly Hallows and they told me why they recommended this book, because I've bought Core PYTHON Programming Didn't know, Harry Potter is a Python fan. If you scan the alt.fan.harry-potter archives carefully, you will find at least one well-known Python core developer. :-) Maybe Guido himself: The Harry Potter Theory of Programming Language Design http://www.artima.com/weblogs/viewpost.jsp?thread=123234 -- Hans Nowak (zephyrfalcon at gmail dot com) http://4.flowsnake.org/ -- http://mail.python.org/mailman/listinfo/python-list -- Eduardo de Oliveira Padoan http://www.advogato.org/person/eopadoan/ http://twitter.com/edcrypt Bookmarks: http://del.icio.us/edcrypt -- http://mail.python.org/mailman/listinfo/python-list
Proof that \ is a better line joiner than parenthetical sets
Goofy post of the day... According to the Zen of Python, explicit is better than implicit, and the section in the Reference Manual describing the \ line joiner is called Explicit line joining and the section describing parentheticals is called Implicit line joining. So there! ;) -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
On Jun 5, 3:26 pm, Fuzzyman [EMAIL PROTECTED] wrote: So, you are stating that no API programmer using Python *ever* has a valid or genuine reason for wanting (even if he can't have it) genuine 'hiding' of internal state or members from consumers of his (or her...) API? Michael Foordhttp://www.ironpythoninaction.com/ If you are an API programmer, the __all__ attribute of a package or module provides all the internal data hiding you need. -- http://mail.python.org/mailman/listinfo/python-list
Re: Creating A Tuple From A List, Adding To Tuple As You Do
On Jun 5, 1:41 pm, Jeff Nyman [EMAIL PROTECTED] wrote:
Greetings all.
The subject line of this thread is probably one of the worst ever. I
was trying to encapsulate what I am doing. Based on my new-found
knowledge from another thread, I'm able to get a list of directories
and they come to me in the form of a list. Here is an example:
from glob import glob
DC_List = glob('vcdcflx006\\Flex\\Sites\\*\\')
DC_List = ['Baltimore', 'Birmingham', 'Cincinnati', 'Cleveland',
LosAngeles']
(Each element in the DC_List is actually a full directory path, but I
shortened that in the interest of clarity.)
The problem is that I need to pass this list to a list control in a
wxWidgets application. In order to do that, I need to pass in a list
like this:
[ ('Baltimore', ''), ('Birmingham', ''), ('Cincinnati', ''),
('Cleveland', ''), ('LosAngeles', '') ]
In other words, each element in the list is a tuple that has an empty
second string. The problem I'm having is in converting my list above
to be of this type. I can't do append because that (logically) puts
everything at the end. I did try this:
for count in range(0, len(DC_List)):
DC_List.insert(count, '')
Here I was thinking I could insert a '' into the right place after
each entry in the list. That doesn't quite work. Does anyone have an
idea of a good approach here? (I did search on tuples and lists and
while I found a lot of information about both, I couldn't find a
solution that did what I'm discussing above.)
- Jeff
I know a ton of people have already replied with list comprehensions,
but I figured I'd chime in with one that also strips out the path of
your folders for you (since I'm not sure how you are managing that
just now)
cities = [(os.path.basename(x), '') for x in glob('vcdcflx006\\Flex
\\Sites\\*\\')]
I tend to use / instead of \\ as a folder seperator, it should work
for you (I think):
cities = [(os.path.basename(x), '') for x in glob('//vcdcflx006/Flex/
Sites/*')]
Iain
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Re: Tuples part 2
On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor coords = [(i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)] locals().update((tuple_%s % i, coord) for i, coord in coords) tuple_1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple_2 ((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple_3 ((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) Is this what you want? Ivan -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor Or even so: locals().update((tuple_%s % i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)) Ivan -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On 5 июн, 18:56, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor Or even so: locals().update((tuple_%s % i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)) Ivan Tried to make it readable: def iter_coords(i): for j in xrange(1,5): for k in xrange(1,2): yield i, j, k def iter_vars(): for i in xrange(1, 5): yield tuple_%s % i, tuple(iter_coords(i)) locals().update(dict(iter_vars())) tuple_1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple_2 ((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple_3 ((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) tuple_4 ((4, 1, 1), (4, 2, 1), (4, 3, 1), (4, 4, 1)) Ivan -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On Jun 5, 11:21 am, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:56, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor Or even so: locals().update((tuple_%s % i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)) Ivan Tried to make it readable: def iter_coords(i): for j in xrange(1,5): for k in xrange(1,2): yield i, j, k def iter_vars(): for i in xrange(1, 5): yield tuple_%s % i, tuple(iter_coords(i)) locals().update(dict(iter_vars())) locals().update() works by accident here because it's in global scope; it doesn't work within a function. Use a proper data structure, like a dict or a list, and access each tuple list as 'tuples[n]' instead of 'tuple_n'. George -- http://mail.python.org/mailman/listinfo/python-list
mod_python installer fails
I've been running python 2.5 for a while on WinXP, working fine. I code and compile in PyDev/Eclipse. I wanted to start playing with Django, but when I go to install mod_python for Apache 2.2 I get the error: python version 2.5 required, which was not found in the registry from the installer: mod_python-3.3.1.win32-py2.5-Apache2.2.exe I've confirmed that I'm running python25, apache2.2. I thought maybe I could point to my python, but the next screen that comes up with blank locating fields takes the cursor but does not allow any text input. Does anyone know the solution to this one? Thanks Ross. -- http://mail.python.org/mailman/listinfo/python-list
Re: Import removing first module component
On Jun 4, 2:48 pm, David C. Ullrich [EMAIL PROTECTED] wrote: In article [EMAIL PROTECTED], koblas [EMAIL PROTECTED] wrote: Have the following line: import notewave.runner.LMTP Yeilding the following error: ImportError: No module named runner.LMTP For the life of me I don't understand why the first component notewave is being stripped off, when the import is happening. Does notewave contain a _module_ named runner.LMTP ? Probably not, since the error message says there's no such module. Thanks, -- David C. Ullrich The following exist: .../notewave/runner/LMTP.py inside of LMTP.py there is: class LMTPRunner(Runner) : Another person pointed out that I should check on the __init__.py and make sure lmtp is defined in the __all__ block. I didn't have an __init__.py at that level of the tree, which must have been causing problems, but clearly I don't understand the full inheritance of __init__.py and sub-directories. -- http://mail.python.org/mailman/listinfo/python-list
ClassName.attribute vs self.__class__.attribute
Hello everyone, I had read somewhere that it is preferred to use self.__class__.attribute over ClassName.attribute to access class (aka static) attributes. I had done this and it seamed to work, until I subclassed a class using this technique and from there on things started screwing up. I finally tracked it down to self.__class__.attribute! What was happening is that the child classes each over-rode the class attribute at their level, and the parent's was never set, so while I was thinking that I had indeed a class attribute set in the parent, it was the child's that was set, and every child had it's own instance! Since it was a locking mechanism, lots of fun to debug... So, I suggest never using self.__class__.attribute, unless you don't mind it's children overriding it, but if you want a truly top-level class attribute, use ClassName.attribute everywhere! I wish books and tutorials mentioned this explicitly Gabriel -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On 5 июн, 19:38, George Sakkis [EMAIL PROTECTED] wrote: On Jun 5, 11:21 am, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:56, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor Or even so: locals().update((tuple_%s % i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)) Ivan Tried to make it readable: def iter_coords(i): for j in xrange(1,5): for k in xrange(1,2): yield i, j, k def iter_vars(): for i in xrange(1, 5): yield tuple_%s % i, tuple(iter_coords(i)) locals().update(dict(iter_vars())) locals().update() works by accident here because it's in global scope; it doesn't work within a function. Use a proper data structure, like a dict or a list, and access each tuple list as 'tuples[n]' instead of 'tuple_n'. George OP wanted variables and I showed him how to do this. I agree that a list or a dict would be better. Ivan -- http://mail.python.org/mailman/listinfo/python-list
Nested dictionary displays?
Hi,
I'm using Python 3.0 (the latest as of now) and I have a very large
dictionary that I'm attempting to do some processing on. The dictionary
basically has strings in it, as well as other dictionaries which themselves
also have strings. Using a display, I'm trying to (with as little code
possible) make every single string in the entire dictionary tree lower case
by calling lower() on the string. However, python is not accepting my
syntax. How do I create nested displays? Thanks. The code is below. Note,
also, that the path key/value pair should be skipped. I need to lowercase
the 'path' key, but the value is not a tuple, and that value should be
skipped. The nested display/comprehension logic is at the very bottom.
stage_map = {
#--
system: { path :C:\mypath
, debug : ( boost_system-mt-gyd.dll, )
, release : ( boost_system-mt.dll, )
}
#--
,filesystem: { path :C:\mypath
, debug : ( boost_filesystem-mt-gyd.dll,
)
, release : ( boost_filesystem-mt.dll, )
}
#--
,librocket : { path :C:\mypath
, debug : ( EMPCore_d.dll
, EMPCorePython_d.dll
, RocketCore_d.dll
, RocketDebugger_d.dll
, RocketControls_d.dll
)
, release : ( EMPCore.dll
, EMPCorePython.dll
, RocketCore.dll
, RocketDebugger.dll
, RocketControls.dll
)
}
#--
}
# This does not compile...
stage_map = [i.lower() : [ii.lower() : [iii.lower() for iii in jj if
jj.lower() != path] for ii, jj in j] for i, j in stage_map]
--
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Loading Python programs on the net.
Hello, I have developed a program in Python. I need to put this program on the web. Could somebody advice me on the different tools that I can use to do this job. My python program basically displays a tree ctrl that allows users to choose from it and displays text as an output. I need to develop a web page that displays this tree ctrl and accesses the text files to produce the output. Thank you very much, Nora. __ Sent from Yahoo! Mail. A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html-- http://mail.python.org/mailman/listinfo/python-list
Import text file
Hello, I have a text file where there is xxx=value yyy=value zzz=value etc... I would like use the from myfile import Since it has not the extension py how can i read it ? I know the way to do it with the open file but i think this one is easier... Thansk Franck -- http://mail.python.org/mailman/listinfo/python-list
Re: Import removing first module component
On Jun 6, 1:44 am, koblas [EMAIL PROTECTED] wrote: Another person pointed out that I should check on the __init__.py and make sure lmtp is defined in the __all__ block. I didn't have an __init__.py at that level of the tree, which must have been causing problems, but clearly I don't understand the full inheritance of __init__.py and sub-directories. Heya, If you're not sure about packages, it's covered in the python docs here: http://docs.python.org/tut/node8.html#SECTION00840 An __all__ variable doesn't have to be defined, the __init__.py can be empty, as it's the presence of that file that informs python that the folder is a package. The example in the docs should help you here. -- http://mail.python.org/mailman/listinfo/python-list
Re: Import text file
On Jun 6, 2:28 am, Franck Y [EMAIL PROTECTED] wrote:
I have a text file where there is
xxx=value
yyy=value
zzz=value
etc...
I would like use the from myfile import
Since it has not the extension py how can i read it ?
I know the way to do it with the open file but i think this one is
easier...
I don't think you'll be able to use import unless you change the file
extension to .py
If you're in control of the text file and are confident it will only
contain name=value pairs, try:
execfile('your_file.txt')
--
http://mail.python.org/mailman/listinfo/python-list
Re: Interesting Math Problem
On Jun 4, 9:03 am, BEES INC [EMAIL PROTECTED] wrote: I've been awfully busy programming lately. My Django-based side project is coming along well and I hope to have it ready for use in a few weeks. Please don't ask more about it, that's really all I can say for now. Anyways, I came across an interesting little math problem today and was hoping some skilled programmers out there could come up with a more elegant solution than mine. Problem: Star Ratings People can rate cheeseburgers on my website with a star rating of 0-5 stars (whole stars only), 5 being mighty tasty and 0 being disgusting. I would like to show the average of everyone's ratings of a particular cheeseburger to the nearest half star. I have already calculated the average rating as a float (star_sum) and the total number of people that rated the particular cheeseburger (num_raters). [snip] I hope you really meant that 'star_sum' was the _sum_ and not the _average_, otherwise the result would definitely be wrong! :-) -- http://mail.python.org/mailman/listinfo/python-list
Re: gcc error in Mac OS X
Hi Tommy, When I typed which gcc,nothing happened,I checked the /usr/bin path myself and gcc was not there. In fact, the Xcode folder is at the same level with the usr folder. Is there a way you can install Xcode in the right place? I did not find such a option during the installation process of Xcode. Thanks, Jie 2008/6/4 Tommy Grav [EMAIL PROTECTED]: What happens when you run which gcc Cheers Tommy On Jun 4, 2008, at 6:50 PM, Zhaojie Boulder wrote: Hello, I am new to Mac and used python in linux before. What I am trying to do is to install Ipython and PyCogent in Mac OS X. For PyCogent, after entering the package path, I typed python setup.py install. The results are as follows: Didn't find Pyrex - will compile from .c files running install running build running build_py running build_ext building 'cogent.align._compare' extension gcc -fno-strict-aliasing -Wno-long-double -no-cpp-precomp -mno-fused-madd -fno-common -dynamic -DNDEBUG -g -Os -Wall -Wstrict-prototypes -DMACOSX -I/usr/include/ffi -DENABLE_DTRACE -arch i386 -arch ppc -pipe -I/Users/zhaojie/Downloads/PyCogent-1.0.1/include -I/System/Library/Frameworks/Python.framework/Versions/2.5/include/python2.5 -c cogent/align/_compare.c -o build/temp.macosx-10.5-i386-2.5/cogent/align/_compare.o -w unable to execute gcc: No such file or directory error: command 'gcc' failed with exit status 1 After google, I installed Xcode,but it did not help. Also, the Xcode folder is not within applications folder, but a separate one parallel with applications. Dragging Xcode folder into the applications folder did not make a difference, either. Hope someone familiar with Mac can help me out. Thank you, Jie -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: Proof that \ is a better line joiner than parenthetical sets
John Salerno wrote: According to the Zen of Python, explicit is better than implicit, and the section in the Reference Manual describing the \ line joiner is called Explicit line joining and the section describing parentheticals is called Implicit line joining. So there! ;) However, according to the Zen of Python, the line before Explicit is better than implicit. says: Beautiful is better than ugly. And I think putting parenthesis around a multi-line statement is much prettier. So there! :) j -- http://mail.python.org/mailman/listinfo/python-list
Re: Tuples part 2
On Jun 5, 11:48 am, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 19:38, George Sakkis [EMAIL PROTECTED] wrote: On Jun 5, 11:21 am, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:56, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 июн, 18:19, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Jun 5, 3:49 pm, Ivan Illarionov [EMAIL PROTECTED] wrote: On 5 ÉÀÎ, 01:57, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi Everyone, i have another question. What if i wanted to make n tuples, each with a list of coordinates. For example : coords = list() for h in xrange(1,11,1): for i in xrange(1, 5, 1) : for j in xrange(1, 5, 1) : for k in xrange(1,2,1) : coords.append((i,j,k)) lista+str(h)= tuple coords print tuple(coords) so that i will have tuple1, tuple2,..., tupleN, etc. I am trying to do it the way i show you above but it is not working properly. I wish you could help me with that. Thanks again, from itertools import repeat, izip coords = tuple((i,j,k) for i in xrange(1,5) for j in xrange(1,5) for k in xrange(1,2)) locals().update((tuple%s % i, coord) for i, coord in izip(xrange(1,11), repeat(coords))) tuple1 ((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1), (2, 1, 1), (2, 2, 1), (2, 3, 1), (2 , 4, 1), (3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1), (4, 1, 1), (4, 2, 1), (4, 3 , 1), (4, 4, 1)) Does this help? But I don't understand why you need this? Ivan Hi, What i need is, for example: tuple 1=((1, 1, 1), (1, 2, 1), (1, 3, 1), (1, 4, 1)) tuple 2=((2, 1, 1), (2, 2, 1), (2, 3, 1), (2, 4, 1)) tuple 3=((3, 1, 1), (3, 2, 1), (3, 3, 1), (3, 4, 1)) and so on. Please help me and sorry for not taking the time to post my questions properly. Victor Or even so: locals().update((tuple_%s % i, tuple((i,j,k) for j in range(1,5) for k in range(1,2))) for i in range(1,5)) Ivan Tried to make it readable: def iter_coords(i): for j in xrange(1,5): for k in xrange(1,2): yield i, j, k def iter_vars(): for i in xrange(1, 5): yield tuple_%s % i, tuple(iter_coords(i)) locals().update(dict(iter_vars())) locals().update() works by accident here because it's in global scope; it doesn't work within a function. Use a proper data structure, like a dict or a list, and access each tuple list as 'tuples[n]' instead of 'tuple_n'. George OP wanted variables and I showed him how to do this. I agree that a list or a dict would be better. Ivan Generating variable names at runtime doesn't work for locals and it is a bad solution for globals in 99.9% of the cases. It is usually more helpful to point someone who can't even express his problem clearly to the right direction, rather than taking his pseudocode literally and coming up with a semi-working translation. George -- http://mail.python.org/mailman/listinfo/python-list
Re: Pylons and memory use?
John Salerno wrote: Hi everyone. I was thinking about signing up with a web host that supports Pylons (among many other things) and one of the differences between the various plans is application memory for long-running processes. The plan I'd like to sign up for has 80MB. Does anyone know if this is enough for basic Pylons applications? Just in general, how exactly can I calculate how much memory a Pylons application (or any other type of application, for that matter) will require? Is there some general range I might be able to rely on? Does 80MB seem like enough for just playing around and hobbyist work? It would depend on what they define as long running processes. If the Python setup is correct, I would assume that it would be running under mod_python or FastCGI or some such, and would not be considered a long running process as such. I would assume the long running process would be something other than the web app you want running in the back ground. Maybe a queue processor, or something along those lines. You may wish to ask for clarification. Sorry I can't help regarding memory usage, you may wish to ask in the Pylons IRC channel or on their mailing list. j -- http://mail.python.org/mailman/listinfo/python-list
Re: gcc error in Mac OS X
Hi Tommy, When I typed which gcc,nothing happened,I checked the /usr/bin path myself and gcc was not there. In fact, the Xcode folder is at the same level with the usr folder. Is there a way you can install Xcode in the right place? I did not find such a option during the installation process of Xcode. Thanks Jie 2008/6/4 Tommy Grav [EMAIL PROTECTED]: What happens when you run which gcc Cheers Tommy On Jun 4, 2008, at 6:50 PM, Zhaojie Boulder wrote: Hello, I am new to Mac and used python in linux before. What I am trying to do is to install Ipython and PyCogent in Mac OS X. For PyCogent, after entering the package path, I typed python setup.py install. The results are as follows: Didn't find Pyrex - will compile from .c files running install running build running build_py running build_ext building 'cogent.align._compare' extension gcc -fno-strict-aliasing -Wno-long-double -no-cpp-precomp -mno-fused-madd -fno-common -dynamic -DNDEBUG -g -Os -Wall -Wstrict-prototypes -DMACOSX -I/usr/include/ffi -DENABLE_DTRACE -arch i386 -arch ppc -pipe -I/Users/zhaojie/Downloads/PyCogent-1.0.1/include -I/System/Library/Frameworks/Python.framework/Versions/2.5/include/python2.5 -c cogent/align/_compare.c -o build/temp.macosx-10.5-i386-2.5/cogent/align/_compare.o -w unable to execute gcc: No such file or directory error: command 'gcc' failed with exit status 1 After google, I installed Xcode,but it did not help. Also, the Xcode folder is not within applications folder, but a separate one parallel with applications. Dragging Xcode folder into the applications folder did not make a difference, either. Hope someone familiar with Mac can help me out. Thank you, Jie -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: Why does python not have a mechanism for data hiding?
On Jun 5, 4:47 am, Bruno Desthuilliers bruno. [EMAIL PROTECTED] wrote: Antoon Pardon a écrit : On 2008-06-04, NickC [EMAIL PROTECTED] wrote: On Jun 4, 4:09 am, Russ P. [EMAIL PROTECTED] wrote: What is it about leading underscores that bothers me? To me, they are like a small pebble in your shoe while you are on a hike. Yes, you can live with it, and it does no harm, but you still want to get rid of it. With leading underscores, you can see *at the point of dereference* that the code is accessing private data. @NickC : InMyArms(tm) ! But the leading underscore doesn't tell you whether it is your own private date, which you can use a you see fit, or those of someone else, which you have to be very carefull with. That's why we have __name_mangling too. Consider '_' as 'protected' and '__' as private. Only in some vague, fuzzy sense. My understanding is that the single underscore in a class definition is a convention only and has no actual effect whatsoever. In C++ (and Java?), on the other hand, the protected keyword *really* prevents the client from accessing the data or method, but it allows access to derived classes. The private keyword goes further and prevents access even by derived classes. The double leading underscore in Python does no such thing. By the way, people often claim that friend classes in C++ violate encapsulation. That is a common misunderstanding. They do not violate encapsulation because a class must declare its own friends. In other words, the determination of who gets acces to the private data in a class is determined within the class itself. Declaring another class a friend gives it access to your data but does not give you access to its data. (At least that's my recollection, though I haven't used C++ for several years.) -- http://mail.python.org/mailman/listinfo/python-list
Re: Help need with subprocess communicate
On Tue, 3 Jun 2008 23:48:38 -0700 (PDT), [EMAIL PROTECTED] wrote:
On Jun 3, 11:23 pm, Dennis Lee Bieber [EMAIL PROTECTED] wrote:
On Tue, 3 Jun 2008 18:04:40 -0700 (PDT), [EMAIL PROTECTED] declaimed the
following in comp.lang.python:
Hi Daniel,
Thanks for your reply..
I've done exactly as you suggested...but I'm still having problem with
the read...it just gets stuck in
the read ( I think because its a blocking read...)
And it is likely blocking because the subprocess is doing buffered
output -- ie, nothing is available to be read because the output has not
been flushed.
This is a problem with most programs when run as a subprocess -- it
is common for stdout, when routed to a pipe or file, to behave as a
buffered stream that only flushes when some x-bytes have been written;
unlike stdout to a console which gets flushed on each new-line.
--
WulfraedDennis Lee Bieber KD6MOG
[EMAIL PROTECTED] [EMAIL PROTECTED]
HTTP://wlfraed.home.netcom.com/
(Bestiaria Support Staff: [EMAIL PROTECTED])
HTTP://www.bestiaria.com/
Is there way to configure the stdout buffer size so that it flushes
earlier..
Is there a way to make above mentioned piece code working?
I'm not so sure it is a buffer problem. To test this out I first created a
'p2.py' script...
from subprocess import *
import os
p=Popen('ConsoleApplication1.exe',stdin=PIPE,stdout=PIPE,universal_newlines=True)
print p.stdout.readline()[:-1] # strip \n from end of line
p.stdin.write('hi' + os.linesep)
print p.stdout.readline()[:-1]
p.stdin.write('bye' + os.linesep)
print p.stdout.readline()[:-1]
p.stdin.close()
p.stdout.close()
I then created the following VB console application (this is the 'process'
that is being 'Popen'd and is in my %PATH%)...
Module Module1
Dim x As String
Sub Main()
Console.WriteLine(Process started...)
x = Console.ReadLine()
Console.WriteLine(x)
x = Console.ReadLine()
Console.WriteLine(x)
End Sub
End Module
Here is the output when I run it...
C:\home\pythonpython p2.py
Process started...
hi
bye
Note that I didn't have to 'flush()' anything.
I got the same thing working with a C program. I don't know why it won't
work with a similar python script...
import sys
sys.stdout.write('process started...\n')
r = sys.stdin.readline()
sys.stdout.write(r + '\n')
s = sys.stdin.readline()
sys.stdout.write(s + '\n')
I called this 'p3.py'. When I plug this into the 'p2.py' script I get
nothing, it just hangs. So maybe there is something else I am missing.
I normally don't do things this way cos there are os size limits to what you
can send/recv, so I use my own protocol (similar to netstrings) for
communication.
Daniel Klein
--
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Re: ANN: Resolver One 1.1 released
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Re: Why does python not have a mechanism for data hiding?
On Jun 5, 2:07 pm, Russ P. [EMAIL PROTECTED] wrote: The private keyword goes further and prevents access even by derived classes. The double leading underscore in Python does no such thing. Who develops these derived classes ? A competitor ? A malicious hacker ? A spammer ? Who are you trying to hide your precious classes from that the double leading underscore is not good enough protection ? Even with a 'private' keyword, what stops them from doing s/private/public/g ? Seriously, the underscores are ugly argument has some merit but language enforced data hiding is overrated, if not downright silly. -- http://mail.python.org/mailman/listinfo/python-list
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