On 2016-04-18 21:14:02 +, Pete Forman said:
Why is it that Python continues to use a fixed width font and therefore
specifies the maximum line width as a character count?
An essential part of the language is indentation which ought to continue
to mandate that lines start with a multiple of
On 2010-11-24 12:08:04 -0800, Raymond Hettinger said:
I'm writing-up more guidance on how to use super() and would like to
point at some real-world Python examples of cooperative multiple
inheritance.
The SocketServer module
(http://docs.python.org/library/socketserver.html) uses cooperative
Howdy!
I'm mildly biased, being the author of the framework, but I can highly
recommend WebCore for rapid prototyping of web applications; it has
templating via numerous template engines, excellent JSON (AJAJ)
support, and support for database back-ends via SQLAlchemy. It also
has session su
You describe a two-part problem. The first, loading the data, is
easily accomplished with the Python CSV module:
http://docs.python.org/library/csv.html
e.g.: reader = csv.reader(open('filename', 'rb'), delimiter=';',
quotechar=None)
In the above example, you can iterate over 'reade
Accepting input from a human is frought with dangers and edge cases. ;)
Some time ago I wrote a regular expression generator that creates
regexen that can parse arbitrarily delimited text, supports quoting (to
avoid accidentally separating two elements that should be treated as
one), and work
Now that I think about it, and can be stripped using a callback
function as the 'normalize' argument to my KeywordProcessor class:
def normalize(value):
value = value.strip()
if value.startswith("and"):
value = value[3:]
return value
parser = KeywordProcessor(',', normalize=no
how can I do something (e.g. check if new files are in the working
directory) every n seconds in Python?
The simplest method is executing time.sleep(n) within an infinite while
loop. There are more elegant solutions: using coroutine frameworks,
threaded task schedulers, etc.
— Alice
Hello!
Two things are missing from the web server I've been developing before
I can release 1.0: unit tests and documentation. Documentation being
entirely my problem, I've run into a bit of a snag with unit testing;
just how would you go about it?
Specifically, I need to test things like H
Howdy Xavier!
[Apologies for the length of this; I didn't expect to write so much!]
I've been a Python programmer for many years now (having come from a
PHP, Perl, C, and Pascal background) and I'm constantly learning new
idioms and ways of doing things that are more "Pythonic"; cleaner, more
Howdy!
When I run pychecker through my modules I get the message that
comparisons with "False" is not necessary and that it might yield
unexpected results.
Comparisons against False -are- dangerous, demonstrated below.
Yet in some situations I need to specifically check whether False was
ret
1. Pick a web framework, I'd suggest looking at:
Django (http://www.djangoproject.com/)
Pyramid (http://docs.pylonshq.com/pyramid/dev/)
I'm biased, but I can highly recommend WebCore
(http://www.web-core.org/) as it more easily supports small to
mid-sized applications and actively enco
Howdy!
I'm doing a market research report on the average hourly rates for
Python/Django developers. Any input on this? I do understand that it
does depend on the location, amount of experience and skills. I'd like
to hear what are the hourly rates within your area :-) Thanks!
I'm a strange c
I was interested in what the design goals/philosphy was of Python 3
from a birds eye view, forest for the trees approach.
I think I can safely point to the Zen of Python[1] as many of the
points therein directly apply to the simplifiation, clarification, and
goals of Python 3. Most notably:
So do the new changes(to the GIL) nullify concerns raised by David
Beazely here http://dabeaz.com/python/UnderstandingGIL.pdf
Ah, good catch. I had watched the recorded presentation some time ago.
Yes, the rewritten GIL should alleviate those problems. Instead of
simply releasing and re-acqu
On 2010-12-30 23:47:17 -0800, Aman said:
Hey all... I just started with Python, and I chose Python3 because it
seemed a subtle choice as compared to doing Pthon 2.x now and then
porting to Python3.x later... I plan to start with Web Development
soon... I wanted to know what all web frameworks
On 2010-12-31 02:20:47 -0800, Terry Reedy said:
I believe some will be improved or even solved in 3.2.
Evidence to back this statement up would be appreciated. ;)
- Alice.
--
http://mail.python.org/mailman/listinfo/python-list
On 2010-12-31 10:28:26 -0800, John Nagle said:
Even worse, sending control-C to a multi-thread program
is unreliable in CPython. See "http://blip.tv/file/2232410";
for why. It's painful.
AFIK, that has been resolved in Python 3.2 with the introduction of an
intelligent thread scheduler as p
I'm a bad person, but one use case I have is for shuffling templates
around such that:
* An inherited ('parent') template can be stored in a database.
* The 'views' of my application are told to either use the real master
template or the db parent template.
* The rendering engine loads the par
On 2011-01-04 22:29:31 -0800, Steven D'Aprano said:
In any case, your assumption that any one documentation work should stand
on its own merits is nonsense -- *nothing* stands alone.
+1
How many RFCs still in use today don't start with:
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL",
On 2011-01-04 12:53:02 -0800, Alan Meyer said:
I confess that I haven't used PHP so someone correct me if I'm wrong.
[snip]
+1
You're pretty much on the ball with your description. I might summarize it as:
PHP (PHP: Hypertext Processor) is a templating language with a
significant enough st
Howdy!
I'm trying to find a templating engine whose templates can be consumed
directly as a WSGI response body iterable. So far I haven't been very
successful with Google; the engines I've found universally generate a
monolithic rendered string.
Bonus points for templating engines that supp
Not sure if it's bad form to respond to your own posts, but here goes. ;)
Coding up a quick hack of a templating engine, I've produced this:
http://pastie.textmate.org/private/ws5jbeh1xyeaqtrhahevqw
(The implementation of the engine itself is a base class that overrides
__call__ and __getit
On 2011-01-05 17:31:13 -0800, Slie said:
I was wondering if anyone could tell me how to search through the
Archives otter then manually looking through each month.
Grab a Usenet news reader (such as Thunderbird or Unison), point it at:
nntps://news.gmane.org/gmane.comp.python.general
On 2011-01-06 01:35:58 -0800, Rohit Coder said:
Is Python suitable to write low-level system utilities like Defrag,
Malware Removal Tools and Drivers?
Yes and no.
Python does include libraries (and has available third-party libraries)
to interface with external low-level libraries of every k
On 2011-01-06 06:38:24 -0800, David Boddie said:
Just out of interest, which module/package are you using to examine ELF files?
http://pypi.python.org/pypi/elffile
- Alice.
--
http://mail.python.org/mailman/listinfo/python-list
On 2011-01-06 10:00:39 -0800, Adam Tauno Williams said:
With HTTP/1.0 [and WSGI is HTTP/1.0 only] you have to provide a
Content-Length header - so you have to generate the entire response at
once [however you want to muddy "at once"].
Both of these statements are false.
Streaming responses t
On 2011-01-06 11:44:13 -0800, Bill Felton said:
I've also seen various resources indicate that one can install both
Python 2.7 and Python 3.1 -- but when I did this, I get no end of
problems in the 2.7 install.
I have Apple's native Python installations (2.5 and 2.6, I believe),
plus Python 2
On 2011-01-06 11:11:27 -0800, Adam Tauno Williams said:
On Thu, 2011-01-06 at 11:07 -0800, Alice Bevan–McGregor wrote:
On 2011-01-06 10:00:39 -0800, Adam Tauno Williams said:
With HTTP/1.0 [and WSGI is HTTP/1.0 only] you have to provide a
Content-Length header - so you have to generate the
On 2011-01-07 07:17:33 -0800, Michael Ströder said:
As I read section 7.2.2 (Length) the Content-length header is only
required in HTTP *requests* if the body contains data. According to the
text it's not required in HTTP *responses*.
You are correct; I mis-read that section in my haste.
Howdy!
On 2011-01-07 17:08:28 -0800, linna li said:
I tried to use the apscheduler and used the sample code below from the
tutorial, but got the error message: Exception in thread APScheduler
(most likely raised during interpreter shutdown). What's going on here?
I really appreciate any help!
On 2011-01-10 13:02:09 -0800, MRAB said:
On 10/01/2011 20:29, Dan Stromberg wrote:
...despite our wikipedia page whose first paragraph almost seems like
it was written with the intention of scaring off new converts, with its
"unusual" comment...
Indentation as a syntatitical structure is not
On 2011-01-10 17:23:34 -0800, linna li said:
I see the latest version is APScheduler 1.3.1. Where can I get APScheduler 2.0?
https://bitbucket.org/agronholm/apscheduler/
I don't think 2.0 has been released yet, but that is the version number
in apscheduler/__init__.py on HG tip. The example
On 2011-01-10 21:18:41 -0800, Sohail said:
Hey, every body has their own favorite method/ways to process command
line arguments. I've worked on a little CPython extension to handle
command line arguments may be you'll find it interesting and useful
Even I've implemented my own way to hand
On 2011-01-11 00:32:32 -0800, Michele Simionato said:
On Jan 11, 8:25 am, Alice Bevan–McGregor wrote:
I got tired of using PasteScript and OptParse. Mostly OptParse, actually. :/
It's a pity that the argument parsing modules in the standard library
are so verbose that everybo
On 2011-01-11 00:32:32 -0800, Michele Simionato said:
It's a pity that the argument parsing modules in the standard library
are so verbose that everybody is reinventing the same thing :-( It
looks like you have reinvented plac: http://pypi.python.org/pypi/plac
After looking into it, Plac's def
On 2011-01-11 21:41:24 -0800, Michele Simionato said:
Originally plac too was able to recognize flags automatically by
looking at the default value (if the default value is a boolean then
the option is a flag); however I removed that functionality because I
wanted to be able to differentiate b
On 2011-01-10 19:49:47 -0800, Roy Smith said:
One of the surprising (to me, anyway) uses of JavaScript is as the
scripting language for MongoDB (http://www.mongodb.org/).
I just wish they'd drop spidermonkey and go with V8 or another, faster
and more modern engine. :(
- Alice.
--
On 2011-01-15 08:15:25 -0800, Sherm Pendley said:
"Captain Obvious" writes:
XL> ... i recall, i stopped doing Mathematica in 1998 because it's a
XL> career dead-end as a programing lang, and dived into the utterly
XL> idiotic Perl & unix & mysql world. (See: The Unix Pestilence ◇ Xah
XL> Lee'
On 2011-01-15 08:55:47 -0800, rantingrick said:
On Jan 15, 10:38 am, Grant Edwards wrote:
Yeah, James Cameron made a *ton* of money using it to make Avatar.
Too bad he couldn't have used it to make a better movie.
I found the graphics impressive; the "blue people" was merely an effort
to
find . -name \*.pyc -exec rm -f {} \;
vs.
rm -rf __pycache__
I do not see how this is more difficult, but I may be missing something.
— Alice.
--
http://mail.python.org/mailman/listinfo/python-list
On 2011-01-19 13:01:04 -0800, Steven D'Aprano said:
I know I've seen problems executing .pyc files from the shell in the
past... perhaps I was conflating details of something else. Ah, I know!
[steve@sylar ~]$ chmod u+x toto.pyc
[steve@sylar ~]$ ./toto.pyc
: command not found ��
./toto.pyc: lin
On 2011-01-26 02:59:26 -0800, Xavier Heruacles said:
I have do some log processing which is usually huge. The length of each
line is variable. How can I get the last line?? Don't tell me to use
readlines or something like linecache...
This is not optimum or efficient, but it works! If you wa
On 2011-02-07 07:13:43 -0800, Vineet Deodhar said:
For web-based solutions, I have started learning TG 2.1
By and large, the documentation on TG 2.1 official site is a work-in-process.
As regards to the templates, it tells how to go about Genshi.
I wish to go with mako.
Gone through the docs of
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