On 17Jul2011 13:09, Steven D'Aprano
wrote:
| Cameron Simpson wrote:
| > On 16Jul2011 09:51, rantingrick trolled:
| > | Evidence: Tabs ARE superior!
| > | --
| > | I have begun to believe that tabs are far more superior to spaces
| >
| > Please Ri
On Sun, Jul 17, 2011 at 08:39, Steven D'Aprano
wrote:
>
> I have reluctantly come to do the same thing. There is a plethora of broken
> tools out there that don't handle tabs well, and consequently even though
> tabs for indentation are objectively better, I use spaces because it is
> less worse t
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On 2011.07.16 10:07 PM, Steven D'Aprano wrote:
> Hilariously, in my newsreader, the first example (allegedly
> unaligned) was lined up as straight as an arrow,
It has consistent indentation, but the self.whatever references aren't
aligned.
> The
Michael Hrivnak wrote:
> Dodgy medium? Such as? I just avoid sending code over any medium
> that is going to change the text in any way. Are you sending it with
> an instant messenger client or something? There are lots of ways,
> some very convenient, to transfer files without them being modi
Cameron Simpson wrote:
> On 16Jul2011 09:51, rantingrick trolled:
> | Evidence: Tabs ARE superior!
> | --
> | I have begun to believe that tabs are far more superior to spaces
>
> Please Rick: you need at least three things to use the term "more
>
Andrew Berg wrote:
> I try to avoid aligning things unless not doing it really hurts
> readability for that reason. For example, in most of my source files, I
> use tabs to indent. Since Python won't allow a mix of tabs and spaces
> (for whitespace) on one line, I don't try to align things:
>
> e
On 01/-10/-28163 02:59 PM, rantingrick wrote:
On Jul 16, 5:34 pm, Fabio Zadrozny wrote:
I also like the idea of override annotations and I've created a blog
post at:http://pydev.blogspot.com/2011/06/overrideimplements-templates-on-pyd...
to explain how I do use it (and in a way that I think sh
Hello,
So, regarding the path that python uses to find modules, I read
the link that you sent. Suppose, I open IDLE and start an interactive
session. That would mean the input script location is wherever python is
installed, correct? I did add an environment variable PYTHONPATH whi
On 16Jul2011 19:29, Andrew Berg wrote:
| Of everything I've read on tabs vs. spaces, this is what makes the most
| sense to me:
| http://www.iovene.com/61/
Makes sense to me. Thanks for the URL. Cheers,
--
Cameron Simpson DoD#743
http://www.cskk.ezoshosting.com/cs/
Every particle continues in
Gregory Ewing wrote:
Ethan Furman wrote:
some of the return values (Logical, Date, DateTime, and probably
Character) will have their own dedicated singletons (Null, NullDate,
NullDateTime, NullChar -- which will all compare equal to None)
That doesn't seem like a good idea to me. It's common
On Sun, Jul 17, 2011 at 9:52 AM, Cameron Simpson wrote:
> | Programming languages MUST have rules or
> | ambiguities will run a muck and bring the entire system crashing down.
>
> "Amuck" is one word you know...
Yes, but maybe he's wanting to run a MUCK. It's quite possible; I run
a MUD. Now, I'm
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On 2011.07.16 06:52 PM, Cameron Simpson wrote:
> Only for leading indentation, not following indentation. Consider
> docstrings and other stuff with embedded fixed witdh layout.
I try to avoid aligning things unless not doing it really hurts
read
On Sat, Jul 16, 2011 at 4:52 PM, Cameron Simpson wrote:
> Well to some extent because I share files with
> another who uses 4 position tabs. Editing these is a real nightmare if
> one uses 8 position tabs (as I do, the common editor/terminal default
> these days).
8's been the default in pretty
On 16Jul2011 09:51, rantingrick trolled:
| Evidence: Tabs ARE superior!
| --
| I have begun to believe that tabs are far more superior to spaces
Please Rick: you need at least three things to use the term "more
superior". With only two, you just ha
On Sun, Jul 17, 2011 at 9:25 AM, rantingrick wrote:
> Now you see what this four space "brain washing" has done to us!
>
At least we have clean, freshly-washed brains.
ChrisA
--
http://mail.python.org/mailman/listinfo/python-list
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On 2011.07.16 06:12 PM, Chris Angelico wrote:
> He's on Steven's killfile, and he might get himself on mine.
He's like a guy at a party who's had too much to drink. He'll start
going on about conspiracy theories and philosophies based more on bloo
On Jul 16, 6:03 pm, Andrew Berg wrote:
> Shouldn't that be s = s.replace('--->', '\t') ?
Now you see what this four space "brain washing" has done to us!
--
http://mail.python.org/mailman/listinfo/python-list
On 16Jul2011 13:42, Steven D'Aprano
wrote:
| Billy Mays wrote:
| > I was thinking that a convenient solution to this problem would be to
| > introduce a new Exception call PauseIteration, which would signal to the
| > caller that there is no more data for now, but not to close down the
| > genera
On 16Jul2011 10:37, Josh English wrote:
| You use a directory as lock mechanism. I think I get how that works.
| When you're done manipulating the file, do you just remove the director?
Yes. The advantages of a directory are twofold: you can't mkdir() twice
while you can usually open the same fil
On 16Jul2011 10:34, Josh English wrote:
| I found a FileLock (lost the link and it's not in the code) that uses
| context managers to create a ".lock" file in the same directory of the
| file. It uses os.unlink to delete the .lock file but I don't know if
| this deletes the file or just removes it
rantingrick wrote:
>
>As we all know python allows us to use either tabs or spaces but NEVER
>both in the same source file.
That's not true. Python allows tabs and spaces to be used in the same
source file, and even in the same source line.
I'm not saying it's wise, but it certainly allowed.
--
On Sun, Jul 17, 2011 at 5:23 AM, Michael Hrivnak wrote:
> Dodgy medium? Such as? I just avoid sending code over any medium
> that is going to change the text in any way. Are you sending it with
> an instant messenger client or something? There are lots of ways,
> some very convenient, to trans
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On 2011.07.16 10:32 AM, rantingrick wrote:
> This method will preserve indention. However some might
> blubber..."Yeah but then you have to remove the arrows, boo :( "...
> well just watch and learn kiddo:
>
s = """
> def foo(): --->for x
On Jul 16, 5:34 pm, Fabio Zadrozny wrote:
> I also like the idea of override annotations and I've created a blog
> post
> at:http://pydev.blogspot.com/2011/06/overrideimplements-templates-on-pyd...
> to explain how I do use it (and in a way that I think should be
> standard in Python the same wa
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On 2011.07.16 11:51 AM, rantingrick wrote:
> -- Evidence: Tabs ARE
> superior! --
That may be the case (for indentation, NOT alignment), but you're sti
On Sun, Jul 10, 2011 at 2:15 PM, rantingrick wrote:
> On Jul 4, 3:43 am, Gregory Ewing wrote:
>> rantingrick wrote:
>> > what concerns me is the fact that virtual methods in derived
>> > classes just blend in to the crowd.
>> > I think we really need some
>> > sort of visual cue in the form of fo
Am 16.07.2011 21:13, schrieb Dan Stromberg:
> Some options:
>
> 1) Broadcast ping
> 2) nmap the subnet, optionally with -P0
> 3) Check the arp cache (optionally after options 1, 2 or 4)
> 4) Unicast ping everything on the subnet in parallel - very effective, very
> fast, might want to do it with t
Multiple clients reading from and writing to a central collection of
related data is a problem that has been largely solved. Use a
database, and have the clients act on it with transactions. There's
no reason to re-invent the wheel.
You could have the clients connect to the database directly ove
Dodgy medium? Such as? I just avoid sending code over any medium
that is going to change the text in any way. Are you sending it with
an instant messenger client or something? There are lots of ways,
some very convenient, to transfer files without them being modified.
If you need to quickly sha
On Sat, Jul 16, 2011 at 9:51 AM, rantingrick wrote:
>
> --
> Summary
> --
> As we all know python allows us to use either tabs or spaces but NEVER
> both in the same source file. And as we also know t
Is the whole program pure python? Sometimes a reference to undefined memory
or a lack of error checking elsewhere in a program, can cause innocuous code
to fail later: http://stromberg.dnsalias.org/~dstromberg/checking-early.html
If the program uses ctypes, or an unusual Python/C API module, I'd
On Sun, Jul 17, 2011 at 4:15 AM, Thomas Jollans wrote:
> In the end, there is only one way to get all active machines: Ping
> everyone on the subnet.
But that will list everyone who's _currently_ active; it won't list
everyone who _ought to be_ active. However, the OP was slightly
ambiguous:
On
On 07/16/2011 06:00 PM, Jason Earl wrote:
> On Sat, Jul 16 2011, Thomas Jollans wrote:
>
>> On 07/16/2011 10:32 AM, Andrew Berg wrote:
>>> Does anyone know if there are any services that have cross-project
>>> integration? I can see myself closing a ton of bug reports just because
>>> they are iss
On Sun, Jul 17, 2011 at 4:04 AM, Emile van Sebille wrote:
> On 7/16/2011 9:52 AM Chris Angelico said...
>>
>> I'd say there's several imperfect options, and no perfect ones.
>>
>> 1) DHCP, which hosts may or may not be using.
>> 2) DNS - look up a list of the hosts within a (sub)domain.
>> 3) Send
On 07/16/2011 06:31 PM, Phlip wrote:
> Yes, pythonistas, sometimes I even amaze myself with the quality of
> question that a computer scientist with a 25 year resume can ask
> around here...
>
> In my defense, a Google search containing "intranet host" will fan out
> all over the place, not narrow
On Sun, Jul 17, 2011 at 3:41 AM, Josh English
wrote:
> Chris,
>
> Thank you for spelling this out. I thought about this as a solution but I
> don't have the skills to create this server application, and I don't know if
> the target network can handle this request. They can see files on a shared
On Fri, Jul 15, 2011 at 3:47 PM, Josh English
wrote:
> Maybe not to the gurus here, but for me, this is a complex problem and I want
> to make sure I understand the real problem.
>
> All of this is in Python 2.7 and wxPython
>
> I have several XML files on a shared drive.
> I have applications on
On 7/16/2011 9:52 AM Chris Angelico said...
On Sun, Jul 17, 2011 at 2:31 AM, Phlip wrote:
pydhcplib? Shell to a DHCP utility? Ping every server in a range
around my own?
I'd say there's several imperfect options, and no perfect ones.
1) DHCP, which hosts may or may not be using.
2) DNS - lo
On 07/16/2011 11:51 AM, rantingrick wrote:
1) Using only one indention token removes any chance of user error.
I'm not sure it "removes any chance of user error"...programmers
are an awfully error-prone lot -- especially beginners. Picking
one or the other might help reduce friction when lea
Chris,
Thank you for spelling this out. I thought about this as a solution but I don't
have the skills to create this server application, and I don't know if the
target network can handle this request. They can see files on a shared drive.
They can't see each other's computers on the network, a
I found a FileLock (lost the link and it's not in the code) that uses context
managers to create a ".lock" file in the same directory of the file. It uses
os.unlink to delete the .lock file but I don't know if this deletes the file or
just removes it from the directory and leaves the memory fill
Cameron,
You use a directory as lock mechanism. I think I get how that works.
When you're done manipulating the file, do you just remove the director?
Josh
--
http://mail.python.org/mailman/listinfo/python-list
--
Summary
--
As we all know python allows us to use either tabs or spaces but NEVER
both in the same source file. And as we also know the python style
guide says we should use four spaces and refrain
On Sun, Jul 17, 2011 at 2:31 AM, Phlip wrote:
> pydhcplib? Shell to a DHCP utility? Ping every server in a range
> around my own?
>
I'd say there's several imperfect options, and no perfect ones.
1) DHCP, which hosts may or may not be using.
2) DNS - look up a list of the hosts within a (sub)dom
On Sun, Jul 17, 2011 at 1:32 AM, rantingrick wrote:
> On Jul 15, 6:16 pm, Chris Angelico wrote:
>> Not Ruby, but to other languages. There's this guy in my house named
>> Chris who tries his best to avoid Python if the code is going to be
>> shared over any "dodgy medium" where indentation might
On 7/16/11 4:55 AM, Waldek M. wrote:
Dnia Fri, 15 Jul 2011 23:09:02 +0200, Stefan Behnel napisał(a):
[...]
array[count++]=value;
or the more direct pointer management:
*ptr++=value;
More direct, sure. But readable? Well, only when you know what this
specific pattern does. If you have to think
On 07/16/2011 01:35 AM, Steven D'Aprano wrote:
I have a custom object that customises the usual maths functions and
operators, such as addition, multiplication, math.ceil etc.
Is there a way to also customise math.sqrt? I don't think there is, but I
may have missed something.
Create a file na
On Sat, Jul 16 2011, Thomas Jollans wrote:
> On 07/16/2011 10:32 AM, Andrew Berg wrote:
>> Does anyone know if there are any services that have cross-project
>> integration? I can see myself closing a ton of bug reports just because
>> they are issues with the library part of the program, which wi
On Jul 15, 6:16 pm, Chris Angelico wrote:
> On Sat, Jul 16, 2011 at 4:56 AM, rantingrick wrote:
> > Hmm, that's strange considering that code MUST be formatted in certain
> > ways or you get a syntax error (indention, colons, parenthesis, etc,
> > etc). I don't hear the masses claiming that they
Chris Angelico wrote:
> On Sat, Jul 16, 2011 at 6:26 AM, Dan Stromberg wrote:
>>
>> I don't regard this as a low level versus VHLL issue - I regard it as a
>> matter of operators with side effects being too error prone. Adding such
>> operators to Python has been discussed (it'd almost certainly
Hi,
What's a java interface library doing in comp.lang.python, you might ask.
Well, this one, called 'Pyrolite' is meant to be a lightweight library (<50kb)
to
interface your java application to Python in a very easy and straightforward
way.
Pyrolite uses the Pyro protocol to call methods on r
On Sat, 16 Jul 2011 19:14:47 +1000, Chris Angelico wrote:
> Only thing I can think of is:
>
> import math
> math.sqrt=lambda(x) x.__sqrt__(x) if x.whatever else math.sqrt(x)
math.sqrt=(lambda sqrt=math.sqrt: lambda x: x.__sqrt__(x) if
hasattr(x,'__sqrt__') else sqrt(x))()
--
http://mail.pytho
On Fri, 15 Jul 2011 23:09:02 +0200, Stefan Behnel wrote:
>> or the more direct pointer management:
>>
>> *ptr++=value;
>
> More direct, sure. But readable? Well, only when you know what this
> specific pattern does. If you have to think about it, it may end up
> hurting your eyes before you figur
PyGUI 2.5.3 is available:
http://www.cosc.canterbury.ac.nz/greg.ewing/python_gui/
Clipboard access now implemented on MacOSX, plus a few
bug fixes.
What is PyGUI?
--
PyGUI is a cross-platform GUI toolkit designed to be lightweight
and have a highly Pythonic API.
--
Gregory Ewin
Dnia Fri, 15 Jul 2011 22:15:15 -0700, Dennis Lee Bieber napisał(a):
> And (so far as I understand it) each process can claim its own CPU
> core, whereas threads share the active core.
I do not think so. AFAIK, threads may be distributed over differrent
CPUs (just like in any other programmin
On 07/16/2011 10:32 AM, Andrew Berg wrote:
> Does anyone know if there are any services that have cross-project
> integration? I can see myself closing a ton of bug reports just because
> they are issues with the library part of the program, which will be a
> separate project (because there will be
Dnia Fri, 15 Jul 2011 23:09:02 +0200, Stefan Behnel napisał(a):
[...]
>> array[count++]=value;
>>
>> or the more direct pointer management:
>> *ptr++=value;
>
> More direct, sure. But readable? Well, only when you know what this
> specific pattern does. If you have to think about it, it may end u
Steven D'Aprano wrote:
> I have a custom object that customises the usual maths functions and
> operators, such as addition, multiplication, math.ceil etc.
>
> Is there a way to also customise math.sqrt? I don't think there is, but I
> may have missed something.
There seem to be only three metho
On Sat, Jul 16, 2011 at 6:35 PM, Steven D'Aprano
wrote:
> I have a custom object that customises the usual maths functions and
> operators, such as addition, multiplication, math.ceil etc.
>
> Is there a way to also customise math.sqrt? I don't think there is, but I
> may have missed something.
O
I have a custom object that customises the usual maths functions and
operators, such as addition, multiplication, math.ceil etc.
Is there a way to also customise math.sqrt? I don't think there is, but I
may have missed something.
--
Steven
--
http://mail.python.org/mailman/listinfo/python-lis
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I found this on StackOverflow and it was very helpful:
http://stackoverflow.com/questions/10490/best-open-source-project-hosting-site
Now, I have it narrowed down to 3 choices - SF, Google Code and CodePlex.
SF pros:
Very popular and has tons of
Ellerbee, Edward wrote:
> I've been working on this for 3 weeks as a project while I'm learning
> python. It's ugly, only function in there is from a fellow lister, but
> it works perfectly and does what it is intended to do.
>
> I'd love to hear comments on how I could improve this code, what wo
Am Samstag, 16. Juli 2011 08:46:42 UTC+2 schrieb Steven D'Aprano:
> Rainer Grimm wrote:
>
> > I think it's relatively difficult to get a feeling what a are the key
> > points behind functional programming. So I think you should start
> > explaining the concepts behind functional programming. A few
Excerpts from Inside's message of Sat Jul 16 01:40:21 -0400 2011:
> Supplement:
> The assertion will not be handled anyway.
> I want AssertionError raise as early as possible.(mentinoed before)
An AssertionError is pretty useless, there are much better exceptions
that you could (and should!) use,
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