Charles Krug [EMAIL PROTECTED] wrote:
On 2006-02-11, Alex Martelli [EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Problem:
You have a list of unknown length, such as this: list =
[X,X,X,O,O,O,O]. You want to extract all and only the X's. You know
the X's
Carl Banks [EMAIL PROTECTED] wrote:
...
class better_list (list):
tail = property(None, list.append)
This is an impressive, spiffy little class.
Yes, nice use of property.
growing_lists = foo,qux
while some_condition:
for (s,x) in
Ian Leitch [EMAIL PROTECTED] wrote:
...
2. I'm at a loss as how to calculate the size of a long object -- any tips?
#include longintrepr.h (from the Python sources). Then, given a
PyLongObject *l, abs(l-ob_size) is the number of digits, each taking
SHIFT bits.
Many thanks to anyone bored
Raymond Hettinger [EMAIL PROTECTED] wrote:
...
The intersection step is unnecessary, so the answer can be simplified a
bit:
filter(set(l2).__contains__, l1)
[5, 3]
filter(set(l1).__contains__, l2)
[3, 5]
...and if one has time to waste, setification being only an
optimization, it can
rtilley [EMAIL PROTECTED] wrote:
Is there a road map for python a 2.5 releases yet? I'd like to begin
testing the new hashlib module with some old scripts I have that
currently use the md5 and sha modules.
http://python.org/peps/pep-0356.html -- but it's still a draft, being
discussed in
Xavier Morel [EMAIL PROTECTED] wrote:
Alex Martelli wrote:
Carl Banks [EMAIL PROTECTED] wrote:
...
class better_list (list):
tail = property(None, list.append)
This is an impressive, spiffy little class.
Yes, nice use of property.
Alex
I don't know, I
David M. Cooke [EMAIL PROTECTED] wrote:
linda.s [EMAIL PROTECTED] writes:
where to download numpy for Python 2.3 in Mac?
Thanks!
Linda
I don't know if anybody's specifically compiled for 2.3; I think most
of the developers on mac are using 2.4 :-)
However, what comes with MacOSX is
[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Problem:
You have a list of unknown length, such as this: list =
[X,X,X,O,O,O,O]. You want to extract all and only the X's. You know
the X's are all up front and you know that the item after the last X is
an O, or that the list ends with an X.
John J. Lee [EMAIL PROTECTED] wrote:
...
I wonder if that little outfit has considered open-sourcing any of
their web client code?
What they've open-sourced so far is listed at
http://code.google.com/projects.html -- of these, the only
crawl/spider is Könguló, so far.
Alex
--
Bryan Olson [EMAIL PROTECTED] wrote:
...
I agree that emptying is logically the same thing for all of these
types. Beyond that, they don't seem to have a lot in common. It's
...
Do you really have a usecase for this? It seems to me that your
argument is pretty hollow.
Sure:
Joao Macaiba [EMAIL PROTECTED] wrote:
Hi.
I would like to know if there's any todo list on python project.
My interest in doing a undergraduate project.
It could be anything in the python core interpreter. I program C/C++.
The PEP index shows several PEPs approved but not implemented
Robin Haswell [EMAIL PROTECTED] wrote:
...
Cheers for that info. The thread's main tasks are getting webpages
(spidering), the actual amount of processing done in each thread is
minimal - that's why I'm confused by the CPU usage.
BTW, spidering is a great use case for async (even-driven)
that. Goo...can't remember.
See http://www-db.stanford.edu/~backrub/google.html
Yeah, I've heard of them, too.
They've also employed some clever Python programmers, such as Greg
Stein, Alex Martelli (isn't he a bot?) and some obscure dutch
mathematician called Guido van something. It seems
Fuzzyman [EMAIL PROTECTED] wrote:
...
Open the file with 'rU' mode, and check the file object's newline
attribute.
Do you know if this works for multi-byte encodings ? Do files have
You mean when you open them with the codecs module?
metadata associated with them showing the
Franck Pommereau [EMAIL PROTECTED] wrote:
...
import new
def rename (fun, name) :
return new.function(fun.func_code, {}, name)
You need to make a new code object too:
def int_result(fun) :
def wrapped(*largs, **kwargs) :
result = fun(*largs, **kwargs)
if
Fuzzyman [EMAIL PROTECTED] wrote:
...
I can't open with a codec unless an encoding is explicitly supplied. I
still want to detect UTF16 even if the encoding isn't specified.
As I said, I ought to test this... Without metadata I wonder how Python
determines it ?
It doesn't. Python
Schüle Daniel [EMAIL PROTECTED] wrote:
...
class X(object):
... def __init__(self,lst):
... self.lst = lst
... def copy(self):
... return X(self.lst[:])
... def __str__(self):
... return lst has id %i % id(self.lst)
...
... anyone?
Fuzzyman [EMAIL PROTECTED] wrote:
Hello all,
I'm trying to detect line endings used in text files. I *might* be
decoding the files into unicode first (which may be encoded using
Open the file with 'rU' mode, and check the file object's newline
attribute.
My worry is that if '\n' *doesn't*
Brian Blais [EMAIL PROTECTED] wrote:
someone might accidentally do damage to their system with an unchecked eval.
Nah, it takes malice and deliberation to damage a system from an eval.
Alex
--
http://mail.python.org/mailman/listinfo/python-list
Byte [EMAIL PROTECTED] wrote:
http://docs.python.org/tut/node6.html#SECTION00610
I think you're confusing the tutorial's use of:
int(raw_input(...
which means get a string from the user and turn it into an integer (a
very common idiom), with your use of:
Byte [EMAIL PROTECTED] wrote:
Thanks, never knew that, but they are using raw_input as a stack,
aren't they?
No. raw_input is a function object, using it as a stack is a rather
meaningless phrase. You can use a list as a stack, but that's totally
and absolutely unrelated to that spot in the
Dustan [EMAIL PROTECTED] wrote:
Is it possible to get the system date on a Windows XP machine? Most
Convenient would to retrieve , MM, and DD as seperate variables.
When I say system date, I'm thinking of the small clock in the
lower-right hand corner, which has date as well as time,
Phillip Sitbon [EMAIL PROTECTED] wrote:
Hello there,
I have a situation where a list of functions need to be called with a
single set of parameters and the result constructed into a tuple. I
know there's simple ways to do it via list comprehension:
Result = tuple( [ fn(* Args, ** Kwds)
Stephen [EMAIL PROTECTED] wrote:
Hi All,
im new to python i just have a few questions and was wondering if
you could help me??
1. what programming langaugue does python use? or which is most popular?
Python _is_ a programming language, so your question is not clear. If
you're
anon [EMAIL PROTECTED] wrote:
Xavier
Yes I meant Python. I have also been using Jython and I am VERY WELL aware
what a JAR is. Jython has the ability to call methods stored in classes in
a JAR. I was only asking if this could be done with Python also.
Classic Python is able to import
Chason Hayes [EMAIL PROTECTED] wrote:
...
easily in c/c++ but I need to do it in python. I am not sure how to read
and evaluate the binary value of a byte in a long string when it is a non
printable ascii value in python.
If you have a bytestring (AKA plain string) s, the binary value of
Daniel Nogradi [EMAIL PROTECTED] wrote:
...
So after all, what is a 'factory' or 'factory function'?
A brief explanation in Python terms is at
http://www.aleax.it/ep03_pydp.pdf -- pages (slides) 37-44 (the rest of
the presentation is about an even more fundamental design pattern,
template
Blair P. Houghton [EMAIL PROTECTED] wrote:
...
It is (search for 'staticmethod' and 'classmethod'). But there's not
much use for 'static methods' in Python - we usually just use plain
functions ('classmethods' are another beast - much more useful than
staticmethods)
Does it make any
Magnus Lycka [EMAIL PROTECTED] wrote:
...
which isn't needed at all. So far, the existence of x.y somewhere
in Python always implied that x was already introduced explicitly
in the program, and you suggest that we violate that both in the
Almost... import (and from) statements are
Steven D'Aprano [EMAIL PROTECTED] wrote:
...
Why shouldn't
def self.x():
declare two new identifiers (x and self), too?
Sure, but now the call foo.bar
call?
has special meaning inside a def statement
than elsewhere. Elsewhere, foo.bar is an attribute access, looking up
attribute
Steven D'Aprano [EMAIL PROTECTED] wrote:
...
would be. Token? Too specific. Maybe it would have been better to just
have just said ...but now foo.bar has
Agreed.
model I have is y is a label in some namespace x, and you have to (in
some sense) look up where y should go regardless of
[EMAIL PROTECTED] wrote:
...
your idea. Could you summarize how exactly f(x,y=z) should be
resolved, i.e. where it should look for f?
Lexically: local scope, outer functions outwards, globals, builtins.
Alex
--
http://mail.python.org/mailman/listinfo/python-list
Terry Reedy [EMAIL PROTECTED] wrote:
...
As was once pointed out to me some years ago, when I wrote something
similar, a.f() is not just a shortcut for A.f(a) [a.__class__.f(a)]. The
latter only looks for f in the class A namespace while the former also
looks in superclass namespaces.
Steven D'Aprano [EMAIL PROTECTED] wrote:
image = Image( )
Now you have an image object. What is it?
Answer: it isn't an image at all, not in the plain English sense. (Or if
it is, it is an arbitrary default image picked by the class designer.)
No doubt (presumably some kind of as-yet
Alan Morgan [EMAIL PROTECTED] wrote:
...
Since there are a lot more stupid people than clever people out there I
think the more likely scenario is having to maintain unmaintainable code
written by a complete idiot whose programming knowledge comes solely from
books whose titles end with
Benji York [EMAIL PROTECTED] wrote:
Alex Martelli wrote:
Disagree -- far more people THINK they're clever, than really ARE
clever. According to a recent article in the Financial Times, over 40%
of a typical financial firm's employees firmly believe they are among
the 5% best employees
JerryB [EMAIL PROTECTED] wrote:
...
is it possible to access the individual members of a dictionary using %
locals() when creating a string?
Not by using the built-in locals(); you'd have to override locals to
mean someting different (not recommended).
Alex
--
Alan Morgan [EMAIL PROTECTED] wrote:
...
Excessive cleverness can lead to unmaintainable code. So can excessive
stupidity.
+1 QOTW.
Since there are a lot more stupid people than clever people out there I
think the more likely scenario is having to maintain unmaintainable code
written by
KraftDiner [EMAIL PROTECTED] wrote:
...
histo = {[0,0,0]:1, [0,0,1]:2}
Would indicate that there is one sample at 0,0,0 and two samples at
0,0,1
but python tells me TypeError: list objects are unhashable
So any suggestions would be welcome.
Use tuples, not lists, as your keys:
histo =
KraftDiner [EMAIL PROTECTED] wrote:
Cool.
Ok so my histogram class had two methods 1) To increment a point and 2)
to get the point.
def class histo:
def __init__(self):
histo = {}
def update(point):
'''searches the dictionary for point and if it exists increment the
value.
KraftDiner [EMAIL PROTECTED] wrote:
Many thanks everyone.
One last quick question...
The dictionary, I believe, is sorted by the key.
Dictionaries are NOT sorted -- they're hashtables.
Is there a way to sort it by the value?
Say I wanted to put out a list of the frequency sorted by
Scott David Daniels [EMAIL PROTECTED] wrote:
Alex Martelli wrote:
My favourite way to use weakref is slightly different: I would have
aptbase.drawables = weakref.WeakValueDictionary
typo here:
aptbase.drawables = weakref.WeakValueDictionary()
then in each __init__
Sinan Nalkaya [EMAIL PROTECTED] wrote:
hi, i am using os.spawn function, it works well but i need a flag that
allows function return the process id with exit/error code, is there
any or how can i do it, i can replace spawn with fork/exec if
necessary.
os.P_WAIT waits until the spawned
Dave Hansen [EMAIL PROTECTED] wrote:
On Fri, 27 Jan 2006 20:27:40 -0500 in comp.lang.python, Dan Sommers
[EMAIL PROTECTED] wrote:
On Fri, 27 Jan 2006 22:29:20 GMT,
Neil Hodgson [EMAIL PROTECTED] wrote:
... I'm so used to / for division that ÷ now looks strange.
Indeed, I don't think
Jens Theisen [EMAIL PROTECTED] wrote:
...
Indeed, especially Eckels article shed some light about testing as an
alternative to static typing. I still can't quite understand why you can't
do both. Clearly unit tests should be part of any software, not only
Python software.
Clearly. Given
Jay Parlar [EMAIL PROTECTED] wrote:
...
Because in all of my own industry experience, it's been MUCH easier to
jump into someone else's Python code than someone else's C++ code (and
at my last job, I had to do a lot of both). I find Python to be much
more self-documenting, because there's
[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Hi
Iam new in Python.
I want to know for my first Project in Python how i can get the
Hostname from a URL?
import urlparse
urlparse.urlsplit('http://foo.bar.com/zapzap')
('http', 'foo.bar.com', '/zapzap', '', '')
As you may notice, the hostname
[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Wow! This was a fast answer and it works.
That's why we used to joke about Guido's time machine: somebody would
express a need (sometimes phrased as a suggestion for an enhancement),
and Guido would zip back in time and implement the needed
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
temp_buf = StringIO()
for x in various_pieces_of_output():
v = go_figure_out_some_string()
temp_buf += v
final_string = temp_buf.getvalue()
here, temp_buf += v is supposed to be the same as temp_buf.write(v).
So the
Fried Egg [EMAIL PROTECTED] wrote:
...
Why does anyone care about why people do things when they ask a
specific technical question on a newsgroup? Maybe op is risking his
Because experienced techies have learned that people (including other
techies) often ask the wrong specific technical
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
In StringIO's case, it's nice to be able to use the above idiom to
concatenate Unicode strings just as easily as plain ones, for
example -- cStringIO (like file objects) wants plain bytestrings.
I wasn't aware of that limitation--maybe
Paul Rubin http://[EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] (Alex Martelli) writes:
But why can't I have perfectly polymorphic append a bunch of strings
together, just like I can now (with ''.join of a list of strings, or
StringIO), without caring whether the strings are Unicode
Scott David Daniels [EMAIL PROTECTED] wrote:
Alex Martelli wrote:
It would be nice (in Py3k, when backwards compatibility can be broken)
to make the plain-named, default modules those coded in C, since
they're used more often, and find another convention to indicate pure
Python
Jay Parlar [EMAIL PROTECTED] wrote:
...
From Lib/compiler/visitor.py:
meth = getattr(self.visitor, 'visit' + className, 0)
...
I even said you can do some very powerful things with getattr, by
which I meant something exactly like you did. What did you think I
meant by that?
Enigma Curry [EMAIL PROTECTED] wrote:
...
@somefunction()
def a_newfunction():
What does it mean and what does it do?
It means and does exactly the same thing as having
a_newfunction = somefunction()(a_newfunction)
right after the end of a_newfunction's body.
bytecolor [EMAIL PROTECTED] wrote:
...
So how can I tell if an instance of point, line or circle has actually
been assigned to a variable?
You can't really distinguish whether an object has been assigned to a
variable, an item in a list, an attribute, etc etc -- all of these
assignments are
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
''.join with a list (rather than a generator) arg may be plain worse
than python StringIO. Imagine building up a megabyte string one
character at a time, which means making a million-element list and a
million temporary one-character strings
[EMAIL PROTECTED] wrote:
I keep getting an error when I try to use what you said Mr. McDonald. I
think I've got something wrong, but take a look if you can.
log = open('C:\log_0.txt')
lines = log.getlines()
for line in lines:
print line
When I debug it the error I get is the
Paul Boddie [EMAIL PROTECTED] wrote:
...
The context was whether you can know before running the program whether
the function you're attempting to call exists, along with where it is
defined. Obviously, it's a struggle to think of cases where one would
do this for the sake of it (especially
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
Absolutely wrong: ''.join takes less for a million items than StringIO
takes for 100,000.
That depends on how much ram you have. You could try a billion items.
Let's see you try it -- I have better things to do than to trash around
Tempo [EMAIL PROTECTED] wrote:
I've been reading a bunch of articles and tutorials on the net, but I
cannot quite get ahold of the whole regular expression process. I have
a list that contains about thirty strings, each in its own spot in the
list. What I want to do is search the list, say
bytecolor [EMAIL PROTECTED] wrote:
Thanks Alex, the weak references *seem* to be doing what I want for
now.
In each __init__() I use:
aptbase.drawables.append(weakref.ref(self))
Then in show():
for d in aptbase.drawables:
o = d()
if o is not None:
# render it
Looks
Brennus [EMAIL PROTECTED] wrote:
...
I have solved my problem, or at least part of it by downgrading
to Visual Studio 2003. For whatever reason, the same steps applied
to Visual Studio 2005 result in massive problems.
Even the python.exe compiled by VS 2005 throws A/Vs on startup.
I
Runsun Pan [EMAIL PROTECTED] wrote:
...
or, more specific, a function/method-specific error
handling feature:
c.load.onError( IOErrorHook)
c.load( filename )
Is there such a mechnism around? If not, is it possible
to make such a thing ?
Never heard of one, but you could surely make a
Sergey Eizner [EMAIL PROTECTED] wrote:
Does anybody know python module for sql parsing?
http://gadfly.sourceforge.net/gadfly.html has one.
Alex
--
http://mail.python.org/mailman/listinfo/python-list
Tempo [EMAIL PROTECTED] wrote:
You are right that my move towards regular expressions was way
premature, but also this post may too turn out to be a little
premature. I guessed and checked myself a way to accomplish what I
needed and I will include it in this post. But first Alex (doesn't
Donn Cave [EMAIL PROTECTED] wrote:
Quoth [EMAIL PROTECTED] (Alex Martelli):
| ... Therefore,
| if the inability to verify that a function named 'foobar' is in fact
| never called anywhere is a weakness, it's a weakness shared by all of
| these languages. The originator of this thread
Paul Rubin http://[EMAIL PROTECTED] wrote:
And is making += a synonym for write() on other file objects really
that bad an idea? It would be like C++'s use of for file objects
and could make some code nicer if you like that kind of thing.
Not really: 's point is to allow chaining, fabc. +=
Max M. Stalnaker [EMAIL PROTECTED] wrote:
I urged a friend from Boeing to use python on a personal project. He liked it
and repeatedly urged a Boeing developer to use it. Python is on the list of
approved languages at Boeing. The developer wrote a thousand line enterprise
level program in
Jens Theisen [EMAIL PROTECTED] wrote:
...
Please don't be offended, but if anyone could make a point of how Python's
disadvantages in these regards could be alleviated, I'd be very
interested.
http://www.artima.com/weblogs/viewpost.jsp?thread=4639
http://www.mindview.net/WebLog/log-0025
Jorge Godoy [EMAIL PROTECTED] wrote:
sophie_newbie [EMAIL PROTECTED] writes:
Can anyone recommend an open source user login system already written
in Python that I could use with my site?
Simplicity is the most important factor, but the ability to track users
using cookies would be
Jason [EMAIL PROTECTED] wrote:
Hi
I really need an example of a builder pattern in python, the closest I
could find to something resembling builder was on this thread...
http://groups.google.co.uk/group/it.comp.lang.python/browse_thread/threa
Sybren Stuvel [EMAIL PROTECTED] wrote:
...
if data[x][y] 0 or datadict.has_key(key):
This might even make things fit on one line again ;-)
Particularly if you code it idiomatically:
if data[x][y] 0 or key in datadict:
Alex
--
http://mail.python.org/mailman/listinfo/python-list
Heiko Wundram [EMAIL PROTECTED] wrote:
bruno at modulix wrote:
Paul McGuire wrote:
or am I taking advantage of a fortuitous accident, which may get
undone at a future time?
It's certainly not a fortuitous accident.
And even the (printed) cookbook has examples which assign to
Tim Chase [EMAIL PROTECTED] wrote:
...
I'm not quite sure what your intent here is, as the
resulting find would obviously be aaa, of length 3.
But that would also match ''; I think he wants negative loobehind
and lookahead assertions around the 'aaa' part. But then there's the
spec
Tim Chase [EMAIL PROTECTED] wrote:
Sorry for the confusion. The correct pattern should reject
all strings except those in which the first sequence of the
letter 'a' that is followed by the letter 'b' has a length of
exactly three.
Ah...a little more clear.
r =
Christoph Conrad [EMAIL PROTECTED] wrote:
Hello Roger,
since the length of the first sequence of the letter 'a' is 2. Yours
accepts it, right?
Yes, i misunderstood your requirements. So it must be modified
essentially to that what Tim Chase wrote:
m = re.search('^[^a]*a{3}b',
Christoph Conrad [EMAIL PROTECTED] wrote:
Hallo Alex,
r = re.compile([^a]*a{3}b+(a+b*)*) matches = [s for s in
listOfStringsToTest if r.match(s)]
Unfortunately, the OP's spec is even more complex than this, if we are
to take to the letter what you just quoted; e.g. aazaaab SHOULD
Tim Chase [EMAIL PROTECTED] wrote:
...
To get the item, i had to resort to methods that feel less than
the elegance I've come to expect from python:
item = [x for x in s][0]
A shorter, clearer expression of the same idea:
item = list(s)[0]
or
item = list(s).pop()
or the more
Fredrik Lundh [EMAIL PROTECTED] wrote:
...
the obvious solution is
item = list(s)[0]
but that seems to be nearly twice as slow as [x for x in s][0]
under 2.4. hmm.
Funny, and true on my laptop too:
helen:~ alex$ python -mtimeit -s's=set([23])' 'x=list(s)[0]'
10 loops, best
Rene Pijlman [EMAIL PROTECTED] wrote:
Peter Otten:
s = set([one-and-only])
item, = s
...
The comma may easily be missed, though.
You could write:
(item,) = s
But I'm not sure if this introduces additional overhead.
Naah...:
helen:~ alex$ python -mtimeit -s's=set([23])'
Aldo Cortesi [EMAIL PROTECTED] wrote:
...
this means that your pet cat could make your script exit due to an uncaught
exception by simply walking accross your keyboard. If your cat is sufficiently
clever, it could also empty your bank account, email your entire porn
collection to your
Paul Rubin http://[EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] (Alex Martelli) writes:
I thought I knew some pretty evil cats, but I see my experience with
felines was nothing compared to yours!
Catbert?
He'd sure empty your bank account and hard drive, but even he wouldn't
send your porn
[EMAIL PROTECTED] wrote:
...
thanks. So in this special case, None is being treated as a flag
rather than just an instance(I just read the doc) like any other
instance and the behaviour is intended. Is there any reason why it is
designed this way ?
I didn't yet know Python back when it was
Kay Schluehr [EMAIL PROTECTED] wrote:
...
range(3)**2
[(0,0), (0,1), (0,2), (1,0), (1,1), (1,2), (2,0), (2,1), (2,2)]
...
But why isn't this interpreted as [0, 1, 4] like it is in Mathematica?
Since range(3)*2 is [0, 1, 2, 0, 1, 2], it would be horribly, painfully
inconsistent if **2
Harlin Seritt [EMAIL PROTECTED] wrote:
except socket.error:
code goes here...
Of course, though, these are two separate error messages under the same
error handler though. I've tried:
except socket.error, (10061, 'Connection refused'):
and
except (socket.error, 10061, 'Connection
Christoph Zwerschke [EMAIL PROTECTED] wrote:
...
given length. You could get a 6/49 lotto tip with something like:
choice(set(range(49)).powerset(6))
And that would be better than the current random.sample(range(49),6) in
WHAT ways, exactly...?
Alex
--
Steven D'Aprano [EMAIL PROTECTED] wrote:
...
What advantage is there to creating a list with cartesian product
subclass of list?
Essentially, syntax sugar -- for some people, being able to code a*b
rather than product(a,b) takes on a huge significance; Python chooses to
support this syntax
Christoph Zwerschke [EMAIL PROTECTED] wrote:
Alex Martelli schrieb:
Christoph Zwerschke [EMAIL PROTECTED] wrote:
...
given length. You could get a 6/49 lotto tip with something like:
choice(set(range(49)).powerset(6))
And that would be better than the current random.sample(range
Paul Rubin http://[EMAIL PROTECTED] wrote:
Steve Holden [EMAIL PROTECTED] writes:
The current list function is supposed to be something like a
typecast:
list() isn't a function, it's a type.
I'm not sure what the distinction is supposed to be. list is anyway
You can subclass a
Christoph Zwerschke [EMAIL PROTECTED] wrote:
...
These are valid points, but they lead me to the opposite conclusion: Why
not let {a,b,c} stand for set([a,b,c])? That would be very intuitive
As syntax sugar goes, that would be on a par with the current dict
display notation, at least.
Christoph Haas [EMAIL PROTECTED] wrote:
On Saturday 21 January 2006 20:42, sophie_newbie wrote:
To give you a better explaination of what I want, you could visit
www.pat2pdf.org.
Type in 123456 as the patent number, you see what it does? It tells the
user that it is requesting the
[EMAIL PROTECTED] wrote:
...
So it seems that instancemethod() don't like None as the instance.
bound methods and unbound methods are instance of the same type,
distinguished by one thing: the im_self of an unbound method is None,
the im_self of a bound method is anything else.
So, when you
Rocco Moretti [EMAIL PROTECTED] wrote:
Alex Martelli wrote:
Terry Hancock [EMAIL PROTECTED] wrote:
...
due to the Evil Conspiracy of region-coding, I couldn't
watch the British DVD even if I were to import it (Well,
yeah I could, but it would be painful, and probably illegal,
I
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
Well, [...] notation for regular lists (as opposed to list
comprehensions) is also unnecessary since we could use list((a,b,c)).
Indeed, there's no reason list couldn't accept multiple arguments as an
alternative to one sequence argument, just
Terry Hancock [EMAIL PROTECTED] wrote:
...
Nothing at all. But I still prefer tales of people who
have hacked their DVD players to be multi-region :-)
It isn't illegal in Canada anyway. And yes, it would be
possible for me to pay a very high price to get a
region-free player in the
Paul Rubin http://[EMAIL PROTECTED] wrote:
...
What should the output of print list(1,2,3) be? Is there a really
good reason to make it different from the input syntax?
If we assume that str and repr must keep coinciding for lists (and why
not), no reason -- just like, say, today:
print
Steven D'Aprano [EMAIL PROTECTED] wrote:
...
I mean, when you read He sat on the chair do you need
to look up the dictionary to discover that chairs can
have arm rests or not, they can be made of wood or
steel or uphostered springs, be on legs or coasters,
fixed or movable? If it
S Borg [EMAIL PROTECTED] wrote:
Hello,
I have been writing very simple Python programs that parse HTML and
such, mainly just to get
a better feel for the language. Here is my question: If I parsed an
HTML page into all of the image
files listed on that page, how could I request all of
Terry Hancock [EMAIL PROTECTED] wrote:
...
due to the Evil Conspiracy of region-coding, I couldn't
watch the British DVD even if I were to import it (Well,
yeah I could, but it would be painful, and probably illegal,
I have a region-free DVD player here in CA -- considering that I brought
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