Re: method = Klass.othermethod considered PITA

John J. Lee wrote: > class Klass: > > def _makeLoudNoise(self, *blah): > ... > > woof = _makeLoudNoise > > [...] > > At least in 2.3 (and 2.4, AFAIK), you can't pickle classes that do > this. Works for me: Python 2.3.5 (#2, May 4 2005, 08:51:39) [GCC 3.3.5 (Debian 1:3.3.5-12)

Re: About size of Unicode string

Frank Abel Cancio Bello wrote: > request.add_header('content-encoding', 'UTF-8') The Content-Encoding header is for things like "gzip", not for specifying the text encoding. Use the charset parameter to the Content-Type header for that, as in "Content-Type: text/plain; charset=utf-8". -- ht

Re: case/switch statement?

Joe Stevenson wrote: > I skimmed through the docs for Python, and I did not find anything like > a case or switch statement. I assume there is one and that I just > missed it. Can someone please point me to the appropriate document, or > post an example? I don't relish the idea especially lon

Re: splitting delimited strings

Mark Harrison wrote: > What is the best way to process a text file of delimited strings? > I've got a file where strings are quoted with at-signs, @like [EMAIL > PROTECTED] > At-signs in the string are represented as doubled @@. >>> import re >>> _at_re = re.compile('(?>> def split_at_line(line):

Re: Called function conditional testing (if) of form variables problem

Eduardo Biano wrote: > def foo(request): > ans01 = request.get_form_var("ans01") > if ans01 == 4: > ans_1 = 1 > return ans_1 ans01 will be a string ("4"), not an int (4). -- http://mail.python.org/mailman/listinfo/python-list

Regex for repeated character?

How do I make a regular expression which will match the same character repeated one or more times, instead of matching repetitions of any (possibly non-same) characters like ".+" does? In other words, I want a pattern like this: >>> re.findall(".+", "foo") # not what I want ['foo'] >>> re.finda

Re: Generating .pyo from .py

skn wrote: > Does the python compiler provide an option to generate a .pyo(optimized byte > code file) from a .py (source file)? > > For generating .pyc I know that I only have to pass the source file name as > an argument to py_compile.py. py_compile.py checks __debug__ to decide whether to use

Re: Overcoming herpetophobia (or what's up w/ Python scopes)?

Steven D'Aprano wrote: > The language is *always* spelt without the "a", and usually all in > lower-case: perl. The language is title-cased (Perl), but the standard interpreter is written in all lowercase (perl). Sort of like the distinction between Python and CPython. -- http://mail.python.org/m

Re: UTF-8

Laurent Pointal wrote: > You should prefer to put > # -*- coding: utf-8 -*- > at the begining of your sources files. With that you are ok with all Python > installations, whatever be the defautl encoding. > Hope this will become mandatory in a future Python version. The default encoding

Re: dict.items() vs dict.iteritems and similar questions

Laurent Pointal wrote: > Both work, you may prefer xrange/iteritems for iteration on large > collections, you may prefer range/items when processing of the result > value explicitly need a list (ex. calculate its length) or when you are > going to manipulate the original container in the loop. xra

Re: Converting a list to a dictionary

Samuel wrote: > This does not work: > > res_dict = dict([r.get_id(), r for r in res_list]) This does: res_dict = dict([(r.get_id(), r) for r in res_list]) -- http://mail.python.org/mailman/listinfo/python-list

Re: No module named ...

gtb wrote: > I was having trouble with the 'no module named' error message when > trying to import and noticed that other successful imports were > pulling from .py files that had the dot replaced with $ and .class > appended to the name. Actually in one case it picked up a .pyc file > then created

YouTube showing repr() of a tuple

Thought this might amuse some of you: I'd heard that YouTube uses Python, but it's fun to see proof of that, even if it comes in the form of a minor bug. -- http://mail.python.org/mailman/listinfo/python-list

Re: YouTube showing repr() of a tuple

Leif K-Brooks wrote: > Thought this might amuse some of you: > > <http://youtube.com/results?search_query=korect+my+speling> Better example: <http://youtube.com/results?search_query=korect+my+speling%C2%A1> -- http://mail.python.org/mailman/listinfo/python-list

Re: YouTube showing repr() of a tuple

Paul Boddie wrote: > On 2 Apr, 16:19, Steve Holden <[EMAIL PROTECTED]> wrote: >> Both fixed by the time I managed to follow the links. > > There wasn't much to see, and putting apostrophes into the input > didn't seem to cause "proper" repr() behaviour. So I suspect that the > Python resemblance w

Legally correct way of copying stdlib module?

I'm writing a package where I need to use the uuid module. Unfortunately, that module is only available in Python 2.5, and my package needs to be compatible with 2.4. I'm planning to copy it from Python 2.5's stdlib into my package, and import it like this: try: import uuid except ImportEr

Re: __getattr__ equivalent for a module

Maksim Kasimov wrote: > so my question is: how to tune up a module get default attribute if we > try to get access to not actually exists attribute of a module? You could wrap it in an object, but that's a bit of a hack. import sys class Foo(object): def __init__(self, wrapped): s

Re: Convert from unicode chars to HTML entities

Steven D'Aprano wrote: > I have a string containing Latin-1 characters: > > s = u"© and many more..." > > I want to convert it to HTML entities: > > result => > "© and many more..." > > Decimal/hex escapes would be acceptable: > "© and many more..." > "© and many more..." >>> s = u"© and many

Re: Random passwords generation (Python vs Perl) =)

NoName wrote: > from random import choice > import string > print ''.join([choice(string.letters+string.digits) for i in > range(1,8)]) > > !!generate password once :( So add a while true: line. > who can write this smaller or without 'import'? Why are those your goals? -- http://mail.python.

Re: Convert from unicode chars to HTML entities

Steven D'Aprano wrote: > A few issues: > > (1) It doesn't seem to be reversible: > '© and many more...'.decode('latin-1') > u'© and many more...' > > What should I do instead? Unfortunately, there's nothing in the standard library that can do that, as far as I know. You'll have to write y

Re: HTMLParser's start_tag method never called ?

ychaouche wrote: > class ParseurHTML(HTMLParser): > def __init__(self): > HTMLParser.__init__(self) > > def start_body(self,attrs): > print "this is my body" def start_tag(self, name, attrs): if name == 'body': print "this is my body" -- http://mail.python.o

Re: 'IF' Syntax For Alternative Conditions

[EMAIL PROTECTED] wrote: > However, I cannot find, nor create by trial-and-error, the syntax for > alternative conditions that are ORed; e.g., > > if cond1 OR if cond2: > do_something. if cond1 or cond2: do_something() -- http://mail.python.org/mailman/listinfo/python-list

Re: begin to parse a web page not entirely downloaded

k0mp wrote: > Is there a way to retrieve a web page and before it is entirely > downloaded, begin to test if a specific string is present and if yes > stop the download ? > I believe that urllib.openurl(url) will retrieve the whole page before > the program goes to the next statement. Use urllib.u

Re: begin to parse a web page not entirely downloaded

k0mp wrote: > It seems to take more time when I use read(size) than just read. > I think in both case urllib.openurl retrieve the whole page. Google's home page is very small, so it's not really a great test of that. Here's a test downloading the first 512 bytes of an Ubuntu ISO (beware of wrap)

Re: default mutable arguments

Gigs_ wrote: > I read that this is not the same: > def functionF(argString="abc", argList = None): > if argList is None: argList = [] # < this > ... > def functionF(argString="abc", argList=None): > argList = argList or [] # and this > ... > > Why

Re: def obj()

Gert Cuykens wrote: > def obj(): >return {'data':'hello', >'add':add(v)} > > def add(v): >data=data+v > > if __name__ == '__main__': >test=obj() >test.add('world') >print test.data > > I don't know why but i have one of does none class c programing style > mo

Re: About getattr()

Jm lists wrote: > Since I can write the statement like: > print os.path.isdir.__doc__ > Test whether a path is a directory > > Why do I still need the getattr() func as below? > print getattr(os.path,"isdir").__doc__ > Test whether a path is a directory You don't. getattr() is only us

Re: Lists: Converting Double to Single

[EMAIL PROTECTED] wrote: > So I have lists that look like this: [1, 2, 3, 4, 5]. When I > concatenate lists, I end up with a list of lists that looks like > this: [[1, 2, 3. 4, 5]. [6, 7. 8, 9. 10]]. Really? >>> [1, 2, 3, 4, 5] + [6, 7, 8, 9, 10] [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] > Then, I aver

Re: How to Read Bytes from a file

Alex Martelli wrote: > You should probaby prepare before the loop a mapping from char to number > of 1 bits in that char: > > m = {} > for c in range(256): > m[c] = countones(c) Wouldn't a list be more efficient? m = [countones(c) for c in xrange(256)] -- http://mail.python.org/mailman/listin

Re: Inexplicable behaviour of

Fabiano Sidler wrote: > Have a look to the following lines of code: > --- snip --- > class Foo: pass > def bar(): pass > Foo.bar = bar > --- snap --- > > Why does 'bar.__get__(Foo) is Foo.bar' evaluate to False here? Did I > misunderstand the descriptor protocol? bar.__get__(None, Bar) is what yo

Re: modifying iterator value.

chun ping wang wrote: > i want to modify an iterator value. > > for x in someList >x = 1 for index, value in enumerate(someList): someList[index] = 1 -- http://mail.python.org/mailman/listinfo/python-list

Re: scope of variables

Gary Wessle wrote: > the example was an in-accuretlly representation of a the problem I am > having. my apologies. > > a = [] > def prnt(): >print len(a) > prnt > > > I expect to get 0 "the length of list a" Python requires parenthesis to call a function. >>> a = [] >>> def prnt(

Re: which is better, string concatentation or substitution?

John Salerno wrote: > My initial feeling is that concatenation might take longer than > substitution Doesn't look that way: [EMAIL PROTECTED]:~$ python -m timeit "'%s\n\n' % 'foobar'" 100 loops, best of 3: 0.6 usec per loop [EMAIL PROTECTED]:~$ python -m timeit "'' + 'foobar' + '\n\n'" 1

Re: which is better, string concatentation or substitution?

fuzzylollipop wrote: > niether .join() is the fastest Please quote what you're replying to. No, it's the slowest: [EMAIL PROTECTED]:~$ python -m timeit "'%s\n\n' % 'foobar'" 100 loops, best of 3: 0.607 usec per loop [EMAIL PROTECTED]:~$ python -m timeit "'' + 'foobar' + '\n\n'" 100 loops

Re: Multi-line lambda proposal.

Kaz Kylheku wrote: > But suppose that the expression and the multi-line lambda body are > reordered? That is to say, the expression is written normally, and the > mlambda expressions in it serve as /markers/ indicating that body > material follows. This results in the most Python-like solution. I

Re: enumerate() question

Gregory Petrosyan wrote: > Hello! > I have a question for the developer[s] of enumerate(). Consider the > following code: > > for x,y in coords(dots): > print x, y > > When I want to iterate over enumerated sequence I expect this to work: > > for i,x,y in enumerate(coords(dots)): > print

Re: how to convert string

[EMAIL PROTECTED] wrote: > I want to print number 0 to 9 in one line like this > 0 1 2 3 4 5 6 7 8 9 > > if I do like this, it prints in different lines > > for i in xrange(10): > print i for i in xrange(10): print i, > so i tried like this > > str = "" > for i in xrange(10): > st

Re: How to determine if a line of python code is a continuation of the line above it

Sandra-24 wrote: > I'm not sure how complex this is, I've been brainstorming a little, and > I've come up with: from tokenize import generate_tokens, NL, NEWLINE from cStringIO import StringIO def code_lines(source): """Takes Python source code (as either a string or file-like object) a

Matplotlib warning [error?] message

The latest[?] version of Matplotlib cannot show a figure. I get the annoying error message: "Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure" I'm using Spyder python 3.11 on Windows 11. What to do? -- Leif Svalgaard l...@lei

Matplotlib warning [error?] message

as_list in alias_mapping.items() AttributeError: 'Figure' object has no attribute 'items' -- Leif Svalgaard l...@leif.org -- https://mail.python.org/mailman/listinfo/python-list

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