David Steuber wrote:
> "PofN" <[EMAIL PROTECTED]> writes:
>
>> Xah Lee wrote:
>>> Software needs philosophers.
>> No, software neds less idiots. So please take your medication and
>> change profession.
>
> Perhaps fewer would do.
Thank you. I didn't want to be "that guy."
--
http://mail.python
loial wrote:
> In unix shell script I can do the following to get the status and
> values returned by a unix command
>
> OUTPUT=`some unix command`
> STATUS=$?
> if [ $STATUS -ne 0 ]
> then
> exit 1
> else
> set $OUTPUT
> VAL1=$1
> VAL2=$2
> VAL3=$3
> fi
>
> How can I achieve the same i
Georg Brandl wrote:
> Jeffrey Schwab wrote:
>> [EMAIL PROTECTED] wrote:
>>
>>> I want the equivalent of this:
>>>
>>> if a == "yes":
>>>answer = "go ahead"
>>> else:
>>>answer = "stop"
>&
[EMAIL PROTECTED] wrote:
> I want the equivalent of this:
>
> if a == "yes":
>answer = "go ahead"
> else:
>answer = "stop"
>
> in this more compact form:
>
> a = (if a == "yes": "go ahead": "stop")
>
> is there such a form in Python? I tried playing around with lambda
> expressions, bu
Jeffrey Schwab wrote:
> Steve Holden wrote:
>> No need for flames. I'll content myself with pointing out that most
>> 1.5.2 programs will run unchanged in 2.5, so the backwards
>> compatibility picture is very good. Nobody makes you use the new
>> features!
>
Steve Holden wrote:
> kpp9c wrote:
>> I find that if i use
>> other folks code, collaborate, or get help from other folks i still
>> have to know all the new constructs that i don't often use, and i
>> really struggle with iterators and generators and some of the newer
>> things and folks seem to
[EMAIL PROTECTED] wrote:
> Using OSX 10.4.5
>
> This is more of a unix/tcsh question than a python question.
> Somehow I got to the point where I have two files 'a.py' and 'b.py'
> which have identical contents and permissions, but one refuses to
> execute:
>
> [blah:/Library/WebServer/CGI-Execut
Fredrik Lundh wrote:
> Joel Hedlund wrote:
>
>> I've been thinking about these nested generator expressions and list
>> comprehensions. How come we write:
>>
>> a for b in c for a in b
>>
>> instead of
>>
>> a for a in b for b in c
>>
>> More detailed example follows below.
>>
>> I feel the latter
SamFeltus wrote:
> """Not that Mr. Lee has ever shown much interest in feedback, but you
> pretty well have stick to vanilla ASCII to get your notation through
> unmangled on newsgroups."""
>
> It is the 21st century, so having to do that oughta inspire some sort
> of well earned anti Unix rant...
Derek Basch wrote:
>> Depending on the types of the containers in question, you could use:
>>
>> len(zoo) * len(animal)
>
> I think this would give me the total iterations but I wouldn't be able
> to get a running count. Correct?
Correct. If you need a running count, maintain a counter (or
Derek Basch wrote:
> What is the best way to count nested loop iterations? I can only figure
> to use an index but that seems kludgy.
>
> index = 0
> for animal in zoo:
> for color in animal:
> index += 1
Depending on the types of the containers in question, you could use:
le
Tobiah wrote:
> phase:toby:~> echo 'exit -1' | bash
> phase:toby:~> echo $?
> 255
http://www.linuxtopia.org/online_books/advanced_bash_scripting_guide/exitcodes.html
Exit Code Number: 255 [1]
Meaning: Exit status out of range
Example: exit -1
Comments: exit takes o
Brian Blais wrote:
> Hello,
>
> I have two lists, one with strings (filenames, actually), and one with a
> real-number
> rank, like:
>
> A=['hello','there','this','that']
> B=[3,4,2,5]
>
> I'd like to sort list A using the values from B, so the result would be
> in this example,
>
> A=['this'
Larry Bates wrote:
> Jeffrey Schwab wrote:
>
>>Larry Bates wrote:
>>
>>
>>>IMHO leading and/or trailing spaces in filenames is asking for
>>>incompatibilities with cross-platform file access.
>>
>>With what platforms specifically?
>>
Steven D'Aprano wrote:
> On Fri, 24 Feb 2006 00:24:25 +, Jeffrey Schwab wrote:
>
>
>>Steven D'Aprano wrote:
>>
>>>On Thu, 23 Feb 2006 12:05:59 -0800, darthbob88 wrote:
>>>
>>>My comments inserted inline.
>>>
>>>
>
Steven D'Aprano wrote:
> On Thu, 23 Feb 2006 12:05:59 -0800, darthbob88 wrote:
>
> My comments inserted inline.
>
>
>
>>#!/usr/bin/python
>>#simple guessing game, with numbers
>>import random
>>spam = random.randint(1, 100)
>
>
> It is bad programming practice to give variables uninformative
Larry Bates wrote:
> IMHO leading and/or trailing spaces in filenames is asking for
> incompatibilities with cross-platform file access.
With what platforms specifically?
> Much like
> using single-quote in filenames which are perfectly legal in
> DOS/Windows, but Linux doesn't like much.
Uh...
Jeffrey Schwab wrote:
> jkn wrote:
>
>> Hi all
>> I'm considering having a go at replacing the wooden door step to
>> our back door. The original is loose and rotting.
>>
>> I'm sure some of this will be clearer when I remove the (metal) door
jkn wrote:
> Hi all
> I'm considering having a go at replacing the wooden door step to
> our back door. The original is loose and rotting.
>
> I'm sure some of this will be clearer when I remove the (metal) door
> frame - how is such a step fixed? Vertical frame fixings?
Depends on your layou
Raymond Hettinger wrote:
>> [spam, ham] = ['yum', 'YUM']
>>
>>I don't see how this is any different than a tuple unpacking assignment:
>>
>> >>> a, b = 1, 2
>
>
> It's not different. They are ways of writing the same thing.
TMTOWTDI, after all. :)
--
http://mail.python.org/mailman/list
mrstephengross wrote:
> I would like to distribute a python program, but only in .pyc form (so
> that people cannot simply look at my code). Is there a way to do this?
> I've read up a little on the logic by which python creates .pyc's, and
> it sounds like python requires the main executed program
wes weston wrote:
> DannyB wrote:
>
>> I'm just learning Python. I've created a simple coin flipper program -
...
> Dan,
>Looping is easier with:
> for x in range(100):
>if random.randint(0,1) == 0:
> heads += 1
>else:
> tails += 1
>
Or, continuing with that theme:
Max wrote:
> I have a friend who has been programming in C for many years, and he is
> a great fan of the language. However, he (and I) are about to start a
> python course, and he has been asking me a lot of questions. He often
> responds to my answers with "Urgh! Object-orientation!" and suchl
Atanas Banov wrote:
> Jeffrey Schwab wrote:
>
>>_PyPclose returns the exit status of the popened process (the popenee?),
>>or -1 on error. Of course, if the status is supposed to be -1, there's
>>some confusion.
>
>
> yes, that's what i thought
Atanas Banov wrote:
> i ran onto this weirdness today: seems like close() on popen-ed
> (pseudo)file fails miserably with exception instead of returning exit
> code, when said exit code is -1.
>
> here is the simplest example (under Windows):
>
>
print popen('exit 1').close()
>
> 1
>
p
Jeffrey Schwab wrote:
> class Loop:
> def __init__(self, n):
> self.n = n
> def __call__(self):
> self.n = self.n - 1
> return self.n != 0
>
>
> if __name__ == '__main__':
> loop = Loop(10)
>
David Isaac wrote:
> I would like to be able to define a loop statement
> (nevermind why) so that I can write something like
>
> loop 10:
> do_something
>
> instead of
>
> for i in range(10):
> do_something
>
> Possible? If so, how?
Ruby and Smalltalk are both good at this kind of thi
[EMAIL PROTECTED] wrote:
> swisscheese wrote:
>
>>r=range(2,99)
>>m=[x*y for x in r for y in r]
>>[x for x in r if not x in m]
>
>
> How about:
>
> [2]+[x for x in range(1,99) if 2**x%x==2]
43.
I'll be chewing on this one for a while. Thank you. :)
--
http://mail.python.org/mailman/listinfo
Ernesto wrote:
> I couldn't find this with a search, but isn't there a way to overwrite
> a previous folder (or at least not perform osmkdir( ) if your program
> detects it already exists). Thanks !
Would something like this help?
import os
def failsafe_mkdir(dirname):
try: os.mkdir
Steve Holden wrote:
> dmh2000 wrote:
>
>> I recently complained elsewhere that Python doesn't have multiline
>> comments.
>
>
> Personally I think it's a win that you couldn't find anything more
> serious to complain about :-)
+1 QOTW
--
http://mail.python.org/mailman/listinfo/python-list
Danny wrote:
> Great! It's been solved.
>
> The line, as Glaudio said has a "," at the end and that makes it go onto
> one line, thanks so much man!
>
> var = 0
> while <= 5:
> print a[t[var]],
> var = var +1
> prints perfectly, thanks so much guys.
Looping over indexes is kinda unpyth
[EMAIL PROTECTED] wrote:
> hello,
>
> i'm wondering how people from here handle this, as i often encounter
> something like:
>
> acc = []# accumulator ;)
> for line in fileinput.input():
> if condition(line):
> if acc:#1
> doSomething(acc)#1
> acc = []
Donn Cave wrote:
> In article <[EMAIL PROTECTED]>,
> Jeffrey Schwab <[EMAIL PROTECTED]> wrote:
>
>
>>Yes it is. Memory is only one type of resource. There are still files
>>and sockets to close, pipes to flush, log messages to be printed, GDI
>&
Fredrik Lundh wrote:
> Jeffrey Schwab wrote:
>
>
>>>>>the problem isn't determining who owns it, the problem is determining
>>>>>who's supposed to release it. that's not a very common problem in a
>>>>>garbage-collected
Fredrik Lundh wrote:
> Jeffrey Schwab wrote:
>
>
>>>the problem isn't determining who owns it, the problem is determining
>>>who's supposed to release it. that's not a very common problem in a
>>>garbage-collected language...
&
[EMAIL PROTECTED] wrote:
> Shi Mu wrote:
>
>>How to run a function to make [1,2,4] become [[1,2],1,4],[2,4]]?
>>Thanks!
>
>
> You want [[1,2],[1,4],[2,4]]? That is, all combinations of 2 items
> from
> the list? You might want to look at:
> http://aspn.activestate.com/ASPN/Cookbook/Python/Reci
Fredrik Lundh wrote:
> Jeffrey Schwab wrote:
>
>
>>>Is it correct to say that the typical ownership problem, which
>>>frequently arises in C++, does not occur normally in Python?
>>
>>What "typical ownership problem" do you feel frequently arise
Gabriel Zachmann wrote:
> Is it correct to say that the typical ownership problem, which
> frequently arises in C++, does not occur normally in Python?
What "typical ownership problem" do you feel frequently arises in C++?
If you are referring to the sometimes difficult task of determining
whic
[EMAIL PROTECTED] wrote:
> O/S: Win2K
> Vsn of Python:2.4
>
> Based on a search of other posts in this group, it appears as though
> os.environ['PATH'] is one way to obtain the PATH environment variable.
>
> My questions:
> 1) is it correct that os.environ['PATH'] contains the PATH environment
>
[EMAIL PROTECTED] wrote:
> hi
> i have fucntion that generates a HTML page
>
> def genpage(arg1,arg2):
>print ''' BLAH BLAH.%s %s
> ''' % (arg1, arg2)
>
>print ''' blah blah... %s %s
>
> ''' % (arg1,arg2)'
>
> The func is something like that, alot of open'''
camdenjobs wrote:
> PYTHON Engineers, BitTorrent, Inc., San Francisco, CA
>
> Interested candidates should forward their resumes to
...
> Please understand that due to the large volume of responses, I will
> not be able to acknowledge each of you individually.
Now, that's confidence!
May su
Roman Roelofsen wrote:
>>Evening,
>>
>>Is there a decent way to get that help into vim? Or like showing docstrings
>>or help that I get through pydoc on request? I've been working myself
>>through a pile of vim macros/plugins but couldn't find even one which
>>simplifies programming in Python. Furt
Tuvas wrote:
> Wait, one more question. If the number is something like:
>
> 1.32042
>
> It is like
> "1.32 stuff"
>
> I would like it's size to remain constant. Any way around this?
s/%g/%f
>>> print "%.4f stuff" % 1.3241414515
1.3241 stuff
>>> print "%.4f stuff" % 1.32042
1.3204 stuff
>>>
Tuvas wrote:
> I would like to limit a floating variable to 4 signifigant digits, when
> running thorugh a str command. Ei,
>
>
> x=.13241414515
> y=str(x)+" something here"
>
> But somehow limiting that to 4 sign. digits. I know that if you use the
> print statement, you can do something like %
Christoph Haas wrote:
> Evening,
>
> I'm an addicted vim user and don't really use the IDLE for anything more
> than calculations where I'm too lazy to start KCalc. But one feature is
> very pretty: the built-in help for function calls while you type. Like you
> enter...
>
> var1,var2=mystring
Mike Meyer wrote:
> "Xah Lee" <[EMAIL PROTECTED]> writes:
>
>
>>Newsgroups: comp.lang.perl.misc
>>PS: I won't cross-post as I'm not subscribed to the Python group.
>
>
> Very wisely done. Then from Xah Lee, we get;
>
>
>>I have cross posted it for you.
>
>
> Proving once again that he's stu
John Henry wrote:
> Hi all,
>
> I have a need to create a Python script on the fly from another Python
> program and then execute the script so created. Do I need to invoke
> Python through os.spawnl or is there a better way?
Could you import the generated script? This might be the way to go if
[EMAIL PROTECTED] wrote:
> which feature of python do you like most?
>
> I've heard from people that python is very useful.
> Many people switch from perl to python because they like it more.
>
> I am quite familiar with perl, I've don't lots of code in perl.
> Now, I was curious and interested i
vinjvinj wrote:
> I have so many things to do to get this to production and writing a
> mini language would be a full project in itself. :-<.
>
> Is there an easy way to do this? If not, I'll go with the steps
> outlined in my other post.
Do you really think it will be faster to start parsing Pyt
[EMAIL PROTECTED] wrote:
> ok, i m going to use Linux for my Python Programs, mainly because i
> need to see what will these fork() and exec() do. So, can anyone tell
> me which flavour of linux i should use, some say that Debian is more
> programmer friendly, or shold i use fedora, or Solaris.
Xah Lee wrote:
> i've read the official Python tutorial 8 months ago, have spent 30
> minutes with Python 3 times a week since, have 14 years of computing
> experience, 8 years in mathematical computing and 4 years in unix admin
> and perl
I can wiggle my ears.
--
http://mail.python.org/mailman/
bruno at modulix wrote:
> Steven D'Aprano wrote:
>
>>On Thu, 03 Nov 2005 10:14:23 +0100, bruno at modulix wrote:
>>
>>
>>
>>>Tieche Bruce A MSgt USMTM/AFD wrote:
>>>
>>>
I am new to python,
Could someone explain (in English) how and when to use self?
>>>
>>>Don't use se
Steve Horsley wrote:
> Kristina KudriaĊĦova wrote:
>
>> 1 Nov 2005 09:19:45 -0800, [EMAIL PROTECTED] <[EMAIL PROTECTED]>:
>>
>>> Hi, I have a file with this content:
>>>
>>> z zzz z
>>> ...
>>> xxx xx x 34.215
>>> zzz zz
>>> ...
>>>
>>
>> Hi,
>>
>> I'd suggest
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