Lie Ryan a écrit :
Emanuele D'Arrigo wrote:
(snip)
Ultimately all I want is a non-callable class-level attribute
MyClass.myProperty that gives the result of MyClass.myClassMethod().
This works like what you seem to want (it's ugly):
Ugly, indeed. And an extreme case of arbitrary overcomplex
Emanuele D'Arrigo a écrit :
Greetings,
today I did something like this:
class MyClass(object):
@classmethod
def myClassMethod(self):
Usually, the first argument of classmethods is named 'cls'
print "ham"
myProperty = property(myClassMethod, None, None)
As many of
Daniel Austria a écrit :
Hi python - hackers,
just one question. How can i remove all 0 values in a list? Sure - i
can loop over it, but that s not a neat style. list.remove() will
only remove the first occurence. Doing that while no exception is
raised is also uncool, right?
Some suggestions?
Paul Rudin a écrit :
Bruno Desthuilliers writes:
kj a écrit :
In <4a4e2227$0$7801$426a7...@news.free.fr> Bruno Desthuilliers
writes:
kj a écrit :
(snipo
To have a special-case
re.match() method in addition to a general re.search() method is
antithetical to language minimalism,
kj a écrit :
In <4a4e2227$0$7801$426a7...@news.free.fr> Bruno Desthuilliers
writes:
kj a écrit :
(snipo
To have a special-case
re.match() method in addition to a general re.search() method is
antithetical to language minimalism,
FWIW, Python has no pretention to minimalism.
As
Daniel Fetchinson a écrit :
Yes, there are plenty of languages other than Java and C, but the
influence of C is admittedly huge in Python. Why do you think loops
are called "for", conditionals "if" or "while", functions return via
"return", loops terminate via "break" and keep going via "continue
Daniel Fetchinson a écrit :
(snip)
and my point is that users
are most of time correct when they assume that something will work the
same way as in C.
Oh, really ? They would surely be wrong if they'd expect the for loop to
have any similarity with a C for loop, or - a *very* common error - if
timmyt a écrit :
i'm interested in getting opinions on a small wsgi framework i
assembled from webob, sqlalchemy, genshi, and various code fragments i
found on the inter-tubes
here is the interesting glue - any comments / suggestions would be
much appreciated
Well... My first comment would be
Mark Dickinson a écrit :
On Jul 5, 1:09 pm, Pedram wrote:
Thanks for reply,
Sorry I can't explain too clear! I'm not English ;)
That's shocking. Everyone should be English. :-)
Mark, tu sors !
--
http://mail.python.org/mailman/listinfo/python-list
Python a écrit :
(snip whole OP)
as far as I know try has no 'else'
Then you may want to RTFM.
--
http://mail.python.org/mailman/listinfo/python-list
David House a écrit :
Hi all,
I'm looking for some structure advice. I'm writing something that
currently looks like the following:
try:
except KeyError:
else:
This is working fine. However, I now want to add a call to a function
in the `else' part that may raise an exception, s
kj a écrit :
(snipo
To have a special-case
re.match() method in addition to a general re.search() method is
antithetical to language minimalism,
FWIW, Python has no pretention to minimalism.
--
http://mail.python.org/mailman/listinfo/python-list
kj a écrit :
I'm will be teaching a programming class to novices, and I've run
into a clear conflict between two of the principles I'd like to
teach: code clarity vs. code reuse. I'd love your opinion about
it.
(snip - others already commented on this code)
Here's the rub: the code above is
Stef Mientki a écrit :
hello,
I need to add an object's name to the global namespace.
The reason for this is to create an environment,
where you can add some kind of math environment,
where no need for Python knowledge is needed.
The next statement works,
but I'm not sure if it will have any dr
srinivasan srinivas a écrit :
Hi,
Could you suggest some python debuggers?
http://docs.python.org/library/pdb.html#module-pdb
HTH
--
http://mail.python.org/mailman/listinfo/python-list
Scott David Daniels a écrit :
(snip)
And even simpler:
PASSWORD = "qwerty"
MAXRETRY = 3
for attempt in range(MAXRETRY):
if raw_input('Enter your password: ') == PASSWORD:
print 'Password confirmed'
break # this exits the for loop
print 'Access
Charles Yeomans a écrit :
Please don't top-post (not corrected)
Let me offer a bit of editing.
First, using the condition count != 3 is perhaps risky. A mistake or a
change in logic in the loop body might result in an infinite loop. So
instead I suggest
while count < 3...
Second, I'd su
Mr.SpOOn a écrit :
Hi,
I need to do some kind of interactive command line program.
I mean: I run the program, it asks me for input, I type something and
then I get the output or other questions.
I'm not sure what is the right way to achieve this.
Simplest : use raw_input()
Friendlier (at least
sato.ph...@gmail.com a écrit :
Thank you for all of the help. With your assistance and help from the
Python Tutor mailing list I was able to come up with the following
code:
password = "qwerty"
correct_password_given = False
guess = "0"
You could just use None here:
guess=None
count = 0
sk8in_zo...@yahoo.com.au a écrit :
--- On Tue, 30/6/09, Bruno Desthuilliers
wrote:
(snip)
This can't work, and it's a FAQ FWIW - but since there's no
official c.l.py FAQ, we won't hold it against you !-)
Can you please point me to the FAQ related to this snippet.
Mr SZ a écrit :
Hi,
I'm writing an LDAP plugin for my TG2 application. In this I wrote a small
class based decorator with args to set up a connection and call the necessary
functionality but I'm having problems with it. Here's my code:
(snip code)
class LdapPlugin(Plugin):
...
def _
Chris Rebert a écrit :
(snip)
reduce(lambda x,y:x+y,({1:['b']*2,0:['a']}[z] for z in [1, 0, 0, 1]))
['b', 'b', 'a', 'a', 'b', 'b']
69 chars long (plus or minus how the input list is written).
You can save 4 more characters using tumple dispatch instead of dict
dispatch:
reduce(lambda x,y :
Mag Gam a écrit :
I have a compressed CSV gziped file.
Then gunzip it first...
I was wondering if it is possible
to seek thru a file
For example:
I want to load the first 100 lines into an array. Process the data
Seek from 101 line to 200 lines. Process the data (remove lines 0 -
100) from
Dave Angel a écrit :
(snip
Default
arguments of class methods are evaluated during the definition of the
class
Default arguments of functions are eval'd during the execution of the
def statement.
The fact that you use a def statement within a class statement's body is
totally orthogonal -
Piet van Oostrum a écrit :
Steven D'Aprano (SD) wrote:
(snip)
SD> # A.__base__ = DebugA ## Uncomment this line for debugging.
A.__base__ = DebugA
TypeError: readonly attribute
Make that: A.__bases__ = DebugA,
or even better (readability-wise):
A.__bases__ = (DebugA,)
Just the sam
Aahz a écrit :
In article <4a3b5dc3$0$2985$426a7...@news.free.fr>,
Bruno Desthuilliers wrote:
NB : answering the OP (original post didn't show up on c.l.py ???)
Correct. There's a problem with the mail->news gateway, I think that
MIME messages are failing. I &quo
Martin P. Hellwig a écrit :
Hi all,
I have been trying out to wrap my mind around the advantages of
decorators and thought I found a use in one of my experiments. (see code
after my sig).
Although it works, I think it should be able to do it better.
My particular problem is that I want to re
Emile van Sebille a écrit :
On 6/17/2009 3:54 PM ssc said...
Wow! Didn't expect that kind of instant support. Thank you very much,
I'll give both zip and enumerate a try.
The code I've shown is actually copied pretty straight from a Django
form class, but I didn't want to mention that as not to
MRAB a écrit :
Wells Oliver wrote:
NB : answering the OP (original post didn't show up on c.l.py ???)
In writing out python classes, it seems the 'self' is optional,
You mean, inside a method ?
meaning that inside a class method,
In Python, a "class method" is a method that operates on
Asun Friere a écrit :
(snip)
OTOH the whole notion of defining OO by the use of classes
automatically excludes from consideration prototype-based OO languages
(eg. Self) which arguably offer a purer approach to OO than class
centric languages.
FWIW, there's no notion of "class" in the minimal
John Yeung a écrit :
On Jun 13, 2:29 am, Steven D'Aprano
wrote:
Paul LaFollette wrote:
3) (this is purely philosophical but I am curious)
Would it not be more intuitive if
isinstance(None, ) returned true?
Good grief no!!!
None is an object. It has a type, NoneType. It's *not* a
string, or a
Paul Johnston a écrit :
Hi,
I would like to have a method that is both a classmethod and an
instancemethod. So:
class MyClass(object):
@class_or_instance
def myfunc(cls_or_self):
pass
The semantics I'd like are:
When you call MyClass.myfunc, it gets passed a class
When you call MyClass
Paul LaFollette a écrit :
Kind people,
Using Python 3.0 on a Gatesware machine (XP).
I am building a class in which I want to constrain the types that can
be stored in various instance variables.
This somehow goes against the whole philosophy of dynamic typing Python
is based upon... But ther
Kless a écrit :
Why can not to access from a class attribute to a function of that
class?
-
class Foo(object):
attr = __class__.__name__
attr = self.__class__.__name__
-
"class" is an executable statement that instanciate a new class object
and bind it t
Ikon a écrit :
I'm rather new to Python. I have PHP for my main language and I do
some Java. They all have a very strict OO schema.
I would describe PHP's "OO schema" as "very strict" (FWIW, I wouldn't
qualify anything PHP as "strict" in any way...)
As I red through
Python's tutorial it sea
Rhodri James a écrit :
On Tue, 26 May 2009 14:22:29 +0100, Roy Smith wrote:
My pet peeve is syntax-aware editors which get things wrong. For
example,
the version of emacs I'm using now doesn't parse this properly:
'''A triple-quoted string. Some editors won't get this right'''
The solutio
Gilles Ganault a écrit :
Hello
Until now, the modest web apps I wrote were all in PHP because it's
available on just about any hosted server.
I now have a couple of ideas for applications where I would deploy my
own servers, so that I'd rather write them in Python because I find
the lan
Gediminas Kregzde a écrit :
Hello,
I'm Vilnius college II degree student and last semester our teacher
introduced us to python
I've used to program with Delphi, so I very fast adopted to python
Now I'm developing cross platform program and use huge amounts of
data. Program is needed to run as f
Aahz a écrit :
In article <4a0c6e42$0$12031$426a7...@news.free.fr>,
Bruno Desthuilliers wrote:
Marco Mariani a écrit :
Bruno Desthuilliers wrote:
Oh, you meant the "return type" ? Nope, no way. It just doesn't make
sense given Python's dynamic typing.
Unless he&#
Tim Chase a écrit :
(snip)
try:
self.ser = Serial()
self.ser.baudrate = DEFAULT_BAUD
self.ser.open()
except SomeSpecificException:
print "Fail!"
Please make it:
try:
self.ser = Serial()
self.ser.baudrate = DEFAULT_BAUD
sel
Marco Mariani a écrit :
Bruno Desthuilliers wrote:
Oh, you meant the "return type" ? Nope, no way. It just doesn't make
sense given Python's dynamic typing.
I thought that the OP was writing a tool to document not-very-dynamic code.
Unless he's really trying
flam...@gmail.com a écrit :
Hello,
I am wondering if it's possible to get the return value of a method
*without* calling it
Getting the return *value* without calling the function ? heck, that
would be really helpful - we'd save quiet a lot on function call
overhead and function execution tim
Zhenhai Zhang a écrit :
Really weired; Here is my code:
a = ["a", 1, 3, 4]
print "a:", a
c = copy(a)
c[0] = "c"
c[1] = 2
print "c:", c
print "a:",a
output as follows:
a: ['a', 1, 3, 4]
c: ['c' '2' '3' '4']
a: ['a', 1, 3, 4]
Btw, I'm using python 2.5. I'm very curious wh
forrest yang a écrit :
hi
i am trying to insert a lot of data into a dict, which may be
10,000,000 level.
after inserting 10 unit, the insert rate become very slow, 50,000/
s, and the entire time used for this task would be very long,also.
would anyone know some solution for this case?
Hint
Terry Reedy a écrit :
Kurt Symanzik wrote:
But you might consider decorating the method as a static method
instead since in your example you are not using the parameter at all.
A static method would not require a parameter.
@staticmethod
def print_hello():
print "hello"
Functions th
Florian Wollenschein a écrit :
Hi all,
here's the main code of thc, my txt to html converter. Since I'm a
beginner it is far, far, faaar away from perfect or even good :-)
What could be done better?
(snip code)
1/ decouple the text => html conversion part from your (or any other) GUI
2
Paul Rubin a écrit :
srinivasan srinivas writes:
Could you tell me does Python have any advantages over Java for the development
of GUI applications?
Yes.
Indeed.
--
http://mail.python.org/mailman/listinfo/python-list
Arnaud Delobelle a écrit :
Grant Rettke writes:
Hi folks,
From one developer to another, I am looking for some personal
recommendations on what are the best materials for fast tracking an on-
boarding to Python and Django.
I know how to program, get web apps and OO; this is the audience.
I
David Smith a écrit :
Kyle T. Jones wrote:
(snip question and answers recommending Django)
Thanks everyone! Wow, pretty much a consensus - a rarity with these
"types" of questions, at least in my experience.
>>
Ok, sounds like I need to be looking at Django. Thanks for the advice!
Cheers
forrest yang a écrit :
i try to load a big file into a dict, which is about 9,000,000 lines,
something like
1 2 3 4
2 2 3 4
3 4 5 6
How "like" is it ?-)
code
for line in open(file)
arr=line.strip().split('\t')
dict[arr[0]]=arr
but, the dict is really slow as i load more data into the m
bearophileh...@lycos.com a écrit :
Sion Arrowsmith:
The keys aren't integers, though, they're strings.
You are right, sorry. I need to add an int() there.
Which is not garanteed to speed up the code FWIW
--
http://mail.python.org/mailman/listinfo/python-list
bearophileh...@lycos.com a écrit :
On Apr 28, 2:54 pm, forrest yang wrote:
i try to load a big file into a dict, which is about 9,000,000 lines,
something like
1 2 3 4
2 2 3 4
3 4 5 6
code
for line in open(file)
arr=line.strip().split('\t')
dict[line.split(None, 1)[0]]=arr
but, the dict
Filip Gruszczyński a écrit :
One of the Python Zen rules is Explicit is better implicit. And yet
it's ok to do:
if x:
do_sth
when x is string or list. Since it's very comfy, I've got nothing
against though. I am just curious, why is it so?
Because it is explicit (or at least considered as
Lawrence D'Oliveiro a écrit :
In message <54cb7f8a-
fef4-4bf8-8054-16dc9b5c8...@d2g2000pra.googlegroups.com>, Aaron Brady wrote:
What is the rationale for considering all instances true of a user-
defined type?
It's a stupid idea,
Nope, it's a very sensible default (given you can redefine
Kyle T. Jones a écrit :
Been programming for a long time, but just starting out with Python. Not
a professional programmer, just that guy in one of those organizations
that won't hire a pro, instead saying "Hey, Kyle knows computer stuff -
let's have him do this (and that, and the other, etc)".
Paddy O'Loughlin a écrit :
(snip)
Anything else you think could make PHP developers starting think that
python is a better choice?
The debugger ?-) (debugging PHP code is kind of nightmare).
If I were to do a (very) short demonstration one web framework for the
PHP devs, what should I use? Ch
Ben Finney a écrit :
Steven D'Aprano writes:
If you *are* willing to do the work, the chances would still be
pretty slim. Guido has just rejected a patch adding PEP 8 compliant
aliases for types like datetime […] As Guido has quoted before, "A
foolish consistency is the hobgoblin of little min
Sibylle Koczian a écrit :
(snip)
I don't understand at all why I get the same message with this little
script:
import datetime
class meindatum(datetime.date):
def __init__(self, datum):
print "meindatum"
datetime.date.__init__(self, datum.year,
Aahz a écrit :
In article <49b5196b$0$3514$426a7...@news.free.fr>,
Bruno Desthuilliers wrote:
Grant Edwards a écrit :
Knowing C++ does tend to be a bit of a handicap, but I think
any competent programmer could learn Python.
+2 QOTW !-)
Ditto! Although I suppose you could just go f
Emanuele D'Arrigo a écrit :
Hi everybody,
I was unit testing some code today and I eventually stumbled on one of
those "is" issues quickly solved replacing the "is" with "==". Still,
I don't quite see the sense of why these two cases are different:
def aFunction():
... pass
...
f = aFunc
Emanuele D'Arrigo a écrit :
Hi everybody,
I just had a bit of a shiver for something I'm doing often in my code
but that might be based on a wrong assumption on my part.
Do not assume. Either check or use another solution. My 2 cents...
Take the
following code:
pattern = "aPattern"
compile
Chris Rebert a écrit :
On Wed, Mar 18, 2009 at 6:09 AM, Anthra Norell wrote:
Would anyone who knows the inner workings volunteer to clarify whether or
not every additional derivation of a class hierarchy adds an indirection to
the base class's method calls and attribute read-writes. In C++, I s
Lobo a écrit :
Hi,
My experience has been with Smalltalk using Object databases.
I would very much appreciate your recommendations on a Python IDE
closest to the Smalltalk 'image' environment, with class browsers,
implementors/senders, inspectors, debuggers, etc.
Well, Python is file-based, n
rewonka a écrit :
(snip)
Now i stucked when i tried to pu into db.
Because i have some cell that is in somekind of unicoded text,
You mean "encoded in something else than utf8" ?
and i'm
looking a solution how to put this into db (my db in utf-8 format).
(snip)
but something binary in a c
Tim Chase a écrit :
sql = ''' INSERT INTO table (column1,column2, ...) VALUES ( %s,
%s, ); '''
for row in rows:
connection.cursor.execute(sql % (row[0],row[1],))
connection.corsur.commit()
(snip)
The first step is to use the database's quoting to prevent problems
where miscreant
John Posner a écrit :
(My apologies if the thread has already covered this.) I believe I
understand the WHAT in this situation, but I don't understand the WHY
...
Given this class definition:
class Cls(object): x = 345
... I observe the following, using IDLE 2.6.1:
inst = Cls() Cls.x is inst
Rhodri James a écrit :
On Sun, 15 Mar 2009 17:55:25 -, Aaron Brady
wrote:
On Mar 15, 12:39 pm, John Posner wrote:
(snip)
Is there a beneficial effect of silently creating the instance
attribute, which outweighs the detrimental effects: (1)
inconsistency, (2) the "surprising" decoupli
Maxim Khitrov a écrit :
On Sat, Mar 14, 2009 at 2:07 PM, Gary Herron wrote:
Maxim Khitrov wrote:
Very simple question on the preferred coding style. I frequently write
classes that have some data members initialized to immutable values.
For example:
class Test(object):
def __init__(self):
John Crawford a écrit :
I'm looking for good open-source software for forums. There is a *lot* out
there, for instance Lussumo's Vanilla gets good reviews, but most are
PHP-based, and I would obviously prefer to use Python, with or without Django.
Two packages that are Django-based that I have
Philip Bloom a écrit :
(snip)
from datetime import datetime
startTime = datetime.now()
(snip)
print (datetime.now() - startTime)
A bit OT, but you may want to use timeit.Timer for this kind of
microbenchmarks.
(snip)
--
http://mail.python.org/mailman/listinfo/python-list
Dan Barbus a écrit :
Hi,
Anyone here compared elixir with storm? Both are sqlite declarative
wrappers (as far as I understood) and both seem to hide the
(unnecessary for what I want) SQL/data layer under pythonic wrappers.
elixir is a declarative layer over SQLAlchemy, which is a hi-level
SQL
Tomasz Rola a écrit :
(snip)
I may not be objective (tried Java, hated it after 6 years).
Arf - only took me 6 months !-)
--
http://mail.python.org/mailman/listinfo/python-list
David Cournapeau a écrit :
On Mon, Mar 9, 2009 at 11:33 PM, grocery_stocker wrote:
On Mar 9, 5:30 am, Nick Craig-Wood wrote:
Go here
http://www.diveintopython.org/
Download the PDF or buy the book.
What about the stuff on docs.python.org? Isn't that information just
as reliable?
They d
Grant Edwards a écrit :
(snip)
Knowing C++ does tend to be a bit of a handicap, but I think
any competent programmer could learn Python.
+2 QOTW !-)
--
http://mail.python.org/mailman/listinfo/python-list
ZikO a écrit :
Hi
I hope I won't sound trivial with asking my question.
I am a C++ programmer and I am thinking of learning something else
because I know second language might be very helpful somehow.
Indeed. FWIW, I use about four programming languages on a daily basis -
plus "non-programm
Neal Becker a écrit :
Maybe I'm missing something obvious here
def A (...):
#set a bunch of variables
x = 1
b = 2
...
Do something with them
def B (...):
#set the same bunch of variables
x = 1
b = 2
...
Do something with them
I want to apply DRY, and extract out the common se
Dennis Lee Bieber a écrit :
On Thu, 5 Mar 2009 14:30:54 -0800 (PST), Muddy Coder
declaimed the following in comp.lang.python:
I know PHP can do shopping cart, such as Zen Cart. I wonder can Python
do such a thing? Thanks!
Python is a general purpose, byte-code-compiled/interpreted,
l
abhinayaraj.r...@emulex.com a écrit :
(snip)
I need to have a look at that all those doc's you have mentioned. That should
help.
+1 QOTW !-)
--
http://mail.python.org/mailman/listinfo/python-list
Johannes Permoser a écrit :
Hi,
I wanted to learn Python from scratch and start off with Version 3.
Since I already know PHP very well, I thought it would be nice to start
off with a small web-project.
But what's the way to bring python3 to the Web?
mod_python isn't available, cgi is said to be
abhinayaraj.r...@emulex.com a écrit :
Please, don't top-post, and learn to quote & snip
(if you don't know what top-posting is, google is your friend).
Thank you so much for your guidance, Bruno.
This should help me in a long way.
Here is the code I have written.
path = raw_input("\nEnter
(answering to the OP)
En Wed, 04 Mar 2009 07:36:01 -0200, escribió:
I am a beginner in Python. In fact, beginner to coding/ scripting.
Here is a scenario, I need to code. Need your help on this:
Your first task here should be to refine the specs - too much
ambiguities in it:
A script th
Avetis KAZARIAN a écrit :
> Well, it's not about curiosity, it's more about performance.
Steve Holden wrote:
(snip)
So, don't try to translate concepts from one language to another.
I'll try ;]
Also and FWIW:
1/ Python has some very handy tools when it comes to perfs - like a
couple pr
Hendrik van Rooyen a écrit :
"S Arrowsmith" wrote:
"Small" integers get a similar treatment:
a = 256
b = 256
a is b
True
a = 257
b = 257
a is b
False
This is weird - I would have thought that the limit
of "small" would be at 255 - the biggest number to
fit in a byte. 256 takes two byt
koranthala a écrit :
On Mar 3, 8:09 pm, Bruno Desthuilliers wrote:
koranthala a écrit :
(snip)
Hi Bruno,
After reading your email, I tried reworking my code so that most of
my logic moves to Models.
But, most probably because this is my first application
development, I am unable to do
Neal Becker a écrit :
I'm looking for something to do template processing. That is, transform
text making various substitutions. I'd like to be able to do substitutions
that include python expressions, to do arithmetic computations within
substitutions.
I know there are lots of template pac
koranthala a écrit :
(snip)
Hi Bruno,
After reading your email, I tried reworking my code so that most of
my logic moves to Models.
But, most probably because this is my first application
development, I am unable to do so.
For example:
I have Models A,B, C, D . Now, there is not muc
Steve Holden a écrit :
Anjanesh Lekshminarayanan wrote:
How do we know that from the what the OP posted?
Its CGI alright.
spaces = form.has_key('spaces') and form.getvalue('spaces') == '1'
But I just dont see how
spaces = (form.has_key('spaces') ? form.getvalue('spaces') == 1 ?
True: False : F
pranav a écrit :
Greeting fellow pycoders,
I have a script that browses large codes and replaces certain text
with some other text. Of lately i observed an issue.Some of the
original text were like
,N'#attributes.SOFTPREREQ#'
My module does scan this code and suggests replacement to this
Clarendon a écrit :
Hi. This must be a simple command but I just can't find it in the
Phthon manual. How do I delete all items with a certain condition from
a list? For instance:
L=['a', 'b', 'c', 'a']
I want to delete all 'a's from the list.
But if L.remove('a') only deletes the first 'a'.
Ho
May a écrit :
On Feb 24, 10:36 am, "Diez B. Roggisch" wrote:
Thanks for all your suggestions. From what I've experienced in Django
and now that I know a little more about how Python functions, I will
probably use a combination of PHP and Django, instead of trying to get
Python to do the web po
Robin Becker a écrit :
well this sort of awful hackery will allow you to put read only
constants on an existing module
(snip example code)
so I guess if you write your own module class and then use a special
importer you can create module like objects with read only attributes.
Fine tec
Ethan Furman a écrit :
Steve Holden wrote:
Brian Allen Vanderburg II wrote:
(snip)
One idea to make constants possible would be to extend properties to be
able to exist at the module level as well as the class level:
@property
def pi():
return 3.14159.
print(pi) # prints 3.14159
p
Brian Allen Vanderburg II a écrit :
bock...@virgilio.it wrote:
Constants would be a nice addition in python, sure enough.
But I'm not sure that this can be done without a run-time check every
time
the constant is used, and python is already slow enough. Maybe a check
that is disabled when runn
Ben Finney a écrit :
(snip - about using ALL_CAPS for pseudo-constants)
Perhaps I'd even
argue for an update to PEP 8 that endorses this as conventional.
+1
I've been a bit surprised last time I checked PEP8 to find out this
wasn't already the case - I would have sweared it was.
--
http://ma
Brendan Miller a écrit :
PEP 8 doesn't mention anything about using all caps to indicate a constant.
Is all caps meaning "don't reassign this var" a strong enough
convention to not be considered violating good python style? I see a
lot of people using it, but I also see a lot of people writing
n
May a écrit :
(snip)
I may not stay with Django.
Nope, but your question was about Django.
I am seriously looking for whether python
can read data from a relational database
Of course - as long as there's a Python adapter for your DB.
and send to an html template
Of course - as long as
koranthala a écrit :
Hi,
Is server programming in Python procedure oriented or object
oriented?
It's how you want it to be.
I have this question because lately I am asked to make a medium
complex web program (extremely database oriented) using Django. When I
used to do application
May a écrit :
I have three tables:
Actually - from Python's code POV - three Model classes. And actually,
since there's a very active, friendly and helpful django group on
googlegroups, you'd be better reposting your question there.
(snip Django's ORM related question)
--
http://mail.python
Paddy O'Loughlin a écrit :
2009/2/20 Bruno Desthuilliers :
Interesting. Why shouldn't you?
I haven't used the property() function
s/function/object/
Nice try, but what I wrote was what I intended to say:
http://docs.python.org/library/functions.html#property
Check by yourse
Paddy O'Loughlin a écrit :
2009/2/20 Bruno Desthuilliers :
Note that while you *can* do direct access to the implementation attribute
(here, '_A' for property 'A'), you don't *need* to so (and usually shouldn't
- unless you have a very compelling reason).
401 - 500 of 3705 matches
Mail list logo
