Hi! I'm having a hard time figuring out how to handle a Unix
SIGPIPE exception cleanly. The following short script illustrates
the problem:
--
#!/usr/bin/python
# sigpipebug.py
import sys
import random
from signal import signal,
Hi Terry,
Terry Reedy wrote:
>
> That aside, I would wonder whether you could use a master process with a
> gui to haphazardly launch subprocess, so as to avail oneself of
> multiprocessing.Queue.
>
T
This is also an option I'm looking.
insted of the python scripts, thet users would normally
Steven D'Aprano writes:
>> and recompile your codebase. Every place in the code that called
>> 'method' now gets a compile time "undefined method" error that you can
>> examine to see if you need to update it. This is something you can't
>> catch with unit tests because the call sites can be in
Am 03.02.10 19:01, schrieb Alan Harris-Reid:
I have a web-page where each row in a grid has edit/delete buttons to
enable the user to maintain a selected record on another page. The
buttons are in the form of a link with href='/item_edit?id=123', but
this string appears in the URL and gives clues
For those interested in language design, the former head of RealBasic's
development team, and current "compiler architect guy" for Microsoft's
VisualBasic team, Mars Saxman, is developing an interesting programming
language, Radian:
"The goal of the Radian project is to provide the concurrency
Am 03.02.10 22:46, schrieb soltys:
Hi Everybody,
I've been doing some test on pythons' virtualenv and recently I've
decided to run PyChecker. But I'm having some difficulties with importing
modules available only on virtualenv by pychecker. As if it was
trying to use systemwide python.
I've googl
Vladimir Ignatov writes:
>> I guess Vladimir means what's called a structure editor. The (by me)
>> aforementioned Synthesizer Generator is an example of such an editor
>> (environment).
>
> Maybe. Yes, it kind of "generator". It has (entered somehow) internal
> representation of target program.
On Feb 3, 8:55 am, Nobody wrote:
> On Tue, 02 Feb 2010 10:38:53 -0800, Carl Banks wrote:
> >> I don't know if that's necessary. Only supporting the "foo.h" case would
> >> work fine if Python behaved like gcc, i.e. if the "current directory"
> >> referred to the directory contain the file performi
On 2/3/2010 8:18 AM, Adam Tauno Williams wrote:
class.method(sting name, int count)
- is *obviously* more expressive than -
class.method(name, count)
So write
class.method(name:str, count:int)->return_type # 3.x
if you really prefer.
In spite of you disparagement of 'pythonistas', it seem
On 2010-02-03 15:40 PM, Steven D'Aprano wrote:
On Wed, 03 Feb 2010 06:42:52 -0800, Paul Rubin wrote:
One nice trick with static types is if you change
what the method does (even if its type signature doesn't change), you
can rename the method:
class.method2(string name, int count): # chan
>>> Python does most of that for you: it automatically recompiles the
>>> source whenever the source code's last modified date stamp is newer
>>> than that of the byte code. So to a first approximation you can forget
>>> all about the .pyc files and just care about the source.
>>
>> True, but the .
On Feb 2, 8:52 pm, Steven D'Aprano
wrote:
> On Tue, 02 Feb 2010 19:55:15 -0800, Carl Banks wrote:
> > On Feb 2, 5:49 pm, Steven D'Aprano
> > wrote:
> >> On Tue, 02 Feb 2010 12:26:16 -0800, Carl Banks wrote:
> >> > I did not propose obvious module names. I said obvious names like
> >> > email.py
On 2010-02-03 15:37 PM, Steven D'Aprano wrote:
On Wed, 03 Feb 2010 08:18:40 -0500, Adam Tauno Williams wrote:
On Wed, 2010-02-03 at 14:10 +0300, Vladimir Ignatov wrote:
Hello,
I am sitting here for quite some time, but usually keep silent ;-) I
use Python since 2003 both "professionally" and f
"Diez B. Roggisch" writes:
> If somebody happens to have access to a proxy & it's logs, he can as
> well log the request body.
I'm not talking about a malicious server operator. In this situation, I
was the server operator and I didn't want to be recording the
conversations. I had to go out of
Pythonistas:
Yes, calling os.path.walk() and os.path.join() all the time on raw
strings is fun, but I seem to recall from my Ruby days a class called
Pathname, which presented an object that behaved like a string at
need, and like a filesystem path at need. path + 'folder' would
call .join() and i
In article
<1944d953-25ad-440b-9317-a7a4b4de6...@f17g2000prh.googlegroups.com>,
Jonathan Gardner wrote:
>
> I can explain all of Python in an hour; I doubt anyone will understand
> all of Python in an hour.
>
> Coming from perl to python, the big "aha!" moment was when I realized
> there wasn
Hello,
I would like to find a way to pause, and get mouse input in the
turtle module. Since it is built on tk, I thought perhaps there
would be an easy way, but I am stumped. Specifically, I'd like
something like:
x,y,button=mouse_input() # pause in here until the mouse is clicked
in
Jonathan Gardner writes:
> On Feb 2, 9:11 pm, John Bokma wrote:
>> Jonathan Gardner writes:
>> > I can explain, in an hour, every single feature of the Python language
>> > to an experienced programmer, all the way up to metaclasses,
>>
>> Either you're a hell of a talker, or I am far, far away
Lou Pecora writes:
> after much noodling around and reading it hit me that I could just put
> all that output of different types of variables into a list, hit it
> with a repr() function to get a string version, and write the string
> to a file -- no formatting necessary-- three lines of code. Lat
Am 03.02.10 23:35, schrieb Paul Rubin:
"Diez B. Roggisch" writes:
If somebody happens to have access to a proxy& it's logs, he can as
well log the request body.
I'm not talking about a malicious server operator. In this situation, I
was the server operator and I didn't want to be recording
On 2/3/2010 1:42 PM, Raymond Hettinger wrote:
For those who are interested, the Sauce Labs team,
http://saucelabs.com/about/team,
is hosting two free tutorial open space sessions at Pycon in Atlanta.
In the short session, people bringing their laptops should be able to
record a web session in t
Robert Kern wrote:
> On 2010-02-03 15:32 PM, Jonathan Gardner wrote:
>
>> I can explain all of Python in an hour; I doubt anyone will understand
>> all of Python in an hour.
>
> With all respect, talking about a subject without a reasonable chance of
> your audience understanding the subject afte
"Diez B. Roggisch" writes:
> Of course only information not gathered is really safe
> information. But every operation that has side-effects is reproducable
> anyway, and if e.g. your chat-app has a history, you can as well log
> the parameters.
No I can't. The chat-app history would be on the c
> >
> > expy is an expressway to extend python.
> >
> > in release 0.5.2, expy now supports custom exceptions,
> besides all built-in ones, and exception handling is made
> easy.
> >
> > for more info, see
> >
> > http://expy.sourceforge.net/
>
> What Python versions does it work with?
> There is
On Wed, 03 Feb 2010 16:38:21 -0600, Robert Kern wrote:
>>> class.method(name, count)
>>
>> Obviously? I don't know about that. Being told that "count" is an int
>> doesn't really help me -- it's obvious just from the name. In a well-
>> written API, what else could it be?
>
> A bool. As in tellin
Hi,
I'm not really used to structuring modules withn directories, but I
started playing
#
# the commands to reproduce my setup:
#
mkdir -p my/special
touch my/__init__.py my/special/__init__.py
echo 'print "myspecialmod"' >
I have a small program which reads files from the directory in which it
resides. It's written in Python 3 and when run through IDLE or PythonWin
works fine. If I double-click the file, it works fine in Python 2.6, but in
3 it fails because it looks for the files to load in the Python31 folder,
not
On 2010-02-03 18:01 PM, Steven D'Aprano wrote:
On Wed, 03 Feb 2010 16:38:21 -0600, Robert Kern wrote:
class.method(name, count)
Obviously? I don't know about that. Being told that "count" is an int
doesn't really help me -- it's obvious just from the name. In a well-
written API, what else co
Diez B. Roggisch wrote:
> Am 03.02.10 22:46, schrieb soltys:
>> Hi Everybody,
>> I've been doing some test on pythons' virtualenv and recently I've
>> decided to run PyChecker. But I'm having some difficulties with importing
>> modules available only on virtualenv by pychecker. As if it was
>> tryi
Lou Pecora writes:
> That's a pretty accurate description of how I transitioned to Python
> from C and Fortran.
Not C, but C++ (but there are also C implementations): YAML, see:
http://code.google.com/p/yaml-cpp/wiki/HowToParseADocument
I use YAML now and then with Perl for both reading/writin
Vladimir Ignatov wrote:
>> can you sketch an example/use case more concretely?
>
> Sorry, I don't have anything written down. I just have some rough idea
> of implementation and some concrete features I would like to see in
> such system. For example:
>
> 1) Instant refactoring. No more needs fo
Adam Tauno Williams wrote:
> This is obvious even in the Python documentation itself where one
> frequently asks oneself "Uhh... so what is parameter X supposed to be...
> a string... a list... ?"
Could you provide an actual example to support this?
The only places I tend to see 'x' as a paramet
In article ,
Raymond Hettinger wrote:
>
>For those who are interested, the Sauce Labs team,
>http://saucelabs.com/about/team, is hosting two free tutorial open
>space sessions at Pycon in Atlanta.
Congrats on the new job!
--
Aahz (a...@pythoncraft.com) <*> http://www.pythoncra
On Feb 3, 3:32 am, News123 wrote:
> Hi,
>
> I wondered what IPC library might be best simplest for following task?
>
> I'm having a few python scripts all running on the same host (linux or
> win), which are started manually in random order. (no common parent process)
> Each process might be ident
Steven D'Aprano writes:
> On Wed, 03 Feb 2010 18:48:12 +0300, Vladimir Ignatov wrote:
> > […] system "knows" all your identifiers and just regenerates
> > relevant portions of text from internal database-alike
> > representation.
You will probably want to learn about “refactoring” to see if that
Robert Kern writes:
> It is perfectly reasonable (and often necessary) for the unit test of
> class B to use a mock object instead of a real A() instance. The unit
> test for class B will fail to catch the renaming of A.foo() to A.bar()
> because it never tries to call .foo() on a real A instance
On Feb 4, 8:47 am, Phlip wrote:
> Yes, calling os.path.walk() and os.path.join() all the time on raw
> strings is fun, but I seem to recall from my Ruby days a class called
> Pathname, which presented an object that behaved like a string at
> need, and like a filesystem path at need. path + 'folde
"Timothy N. Tsvetkov" wrote:
> Jonathan Gardner
> > Python is much, much cleaner. I don't know how anyone can honestly say
> > Ruby is cleaner than Python.
>
> I developed on both (Python was first) and I think that ruby I
> very clean and maybe cleaner than Python.
>
> And you're wrong with bloc
* David Monaghan:
I have a small program which reads files from the directory in which it
resides. It's written in Python 3 and when run through IDLE or PythonWin
works fine. If I double-click the file, it works fine in Python 2.6, but in
3 it fails because it looks for the files to load in the P
* mf:
I'm translating a db from english to spanish with the Google
translator API. The problem is when a TranslationError occurs(usually
because of connection problems). I can
except the first one, but I don't know how to except again. I "solved"
the problem by saving temp db's and then joining t
En Sat, 30 Jan 2010 03:06:18 -0300, Steven D'Aprano
escribió:
class dualmethod(object):
"""Descriptor implementing dualmethods (combination
class/instance method).
Returns a method which takes either an instance or a class as
the first argument. When called on an instance, the
On Wed, Feb 3, 2010 at 9:56 PM, Alf P. Steinbach wrote:
> * David Monaghan:
>>
>> I have a small program which reads files from the directory in which it
>> resides. It's written in Python 3 and when run through IDLE or PythonWin
>> works fine. If I double-click the file, it works fine in Python 2
Alf P. Steinbach wrote:
* mf:
I'm translating a db from english to spanish with the Google
translator API. The problem is when a TranslationError occurs(usually
because of connection problems). I can
except the first one, but I don't know how to except again. I "solved"
the problem by saving tem
Paul Rubin wrote:
John Nagle writes:
Analysis of each domain is
performed in a separate process, but each process uses multiple
threads to read process several web pages simultaneously.
Some of the threads go compute-bound for a second or two at a time as
they parse web pages.
You're pr
Hi,
I am fairly new to Python and need advice on the urllib.urlopen()
function. The website I am trying to open automatically refreshes
after 5 seconds and remains stable thereafter. With
urllib.urlopen().read() I can only read the initial but not the
refreshed page. How can I access the r
* MRAB:
Alf P. Steinbach wrote:
* mf:
I'm translating a db from english to spanish with the Google
translator API. The problem is when a TranslationError occurs(usually
because of connection problems). I can
except the first one, but I don't know how to except again. I "solved"
the problem by s
On Feb 3, 10:49 am, Wanderer wrote:
> I would like to add background zones in pylab plots. Colored sections
> of the background that the curves pass through. Is this possible? My
> google searches don't turn up anything but maybe my search terms
> aren't the right ones.
>
> Thanks
If you look at
John Nagle wrote:
> Paul Rubin wrote:
>> John Nagle writes:
>>> Analysis of each domain is
>>> performed in a separate process, but each process uses multiple
>>> threads to read process several web pages simultaneously.
>>>
>>>Some of the threads go compute-bound for a second or two at a time
Good evening list, I have a really big trouble with the imports in the 3.1
version(Notes: In the older 2.64 theres no problems), I have two packages,
the first package Utilities who contains Writer the second package, Writers
contain the module tagmanip(What is imported in the best way inside the
_
Michael Gruenstaeudl wrote:
> Hi,
> I am fairly new to Python and need advice on the urllib.urlopen()
> function. The website I am trying to open automatically refreshes after
> 5 seconds and remains stable thereafter. With urllib.urlopen().read() I
> can only read the initial but not the refreshed
>> > […] system "knows" all your identifiers and just regenerates
>> > relevant portions of text from internal database-alike
>> > representation.
>
> You will probably want to learn about “refactoring” to see if that's
> related to what you mean http://www.refactoring.com/>.
I mean if system actu
* Benjamin Kaplan:
On Wed, Feb 3, 2010 at 9:56 PM, Alf P. Steinbach wrote:
* David Monaghan:
I have a small program which reads files from the directory in which it
resides. It's written in Python 3 and when run through IDLE or PythonWin
works fine. If I double-click the file, it works fine in
On Wed, Feb 3, 2010 at 11:18 PM, Alf P. Steinbach wrote:
> * Benjamin Kaplan:
>>
>> On Wed, Feb 3, 2010 at 9:56 PM, Alf P. Steinbach wrote:
>>>
>>> * David Monaghan:
I have a small program which reads files from the directory in which it
resides. It's written in Python 3 and when r
* Benjamin Kaplan:
On Wed, Feb 3, 2010 at 11:18 PM, Alf P. Steinbach wrote:
* Benjamin Kaplan:
On Wed, Feb 3, 2010 at 9:56 PM, Alf P. Steinbach wrote:
* David Monaghan:
I have a small program which reads files from the directory in which it
resides. It's written in Python 3 and when run thr
* Alf P. Steinbach:
* Benjamin Kaplan:
On Wed, Feb 3, 2010 at 11:18 PM, Alf P. Steinbach wrote:
* Benjamin Kaplan:
The easiest way to solve this permanently, by the way, is to not use
relative paths. All it takes is one script to call os.chdir and the
script breaks. You can use __file__ and t
Steve Holden wrote:
John Nagle wrote:
Paul Rubin wrote:
John Nagle writes:
Analysis of each domain is
performed in a separate process, but each process uses multiple
threads to read process several web pages simultaneously.
Some of the threads go compute-bound for a second or two at a tim
En Thu, 04 Feb 2010 00:33:08 -0300, Michael Gruenstaeudl
escribió:
I am fairly new to Python and need advice on the urllib.urlopen()
function. The website I am trying to open automatically refreshes after
5 seconds and remains stable thereafter. With urllib.urlopen().read() I
can only re
En Thu, 04 Feb 2010 01:00:56 -0300, Hidura escribió:
Good evening list, I have a really big trouble with the imports in the
3.1
version(Notes: In the older 2.64 theres no problems), I have two
packages,
the first package Utilities who contains Writer the second package,
Writers
contain th
En Thu, 04 Feb 2010 02:46:45 -0300, Alf P. Steinbach
escribió:
Oh sorry, now I see what you mean. I read it too literally. You mean
that at script startup __file__ is a valid relative or absolute path to
the script.
But anyways, Windows Explorer doesn't change the current directory to
On Thu, Feb 4, 2010 at 1:13 PM, Vladimir Ignatov wrote:
>>> > […] system "knows" all your identifiers and just regenerates
>>> > relevant portions of text from internal database-alike
>>> > representation.
>>
>> You will probably want to learn about “refactoring” to see if that's
>> related to wha
I write little script run python via netcat
http://www2s.biglobe.ne.jp/~niitsuma/jsonrpcdirect.html
Usage
$ netcat localhost 31415
{"method": "numpy.linalg.norm", "params": [[2,2]], "id": 0}
then get response
{"result": 2.8284271247461903, "error": null, "id": 0}
--
http://mail.python.org/m
On Feb 3, 6:40 am, Xah Lee wrote:
> This is a short complaint on adminabuseon #pythonircchannel on
> freenode.net.
>
> Here's a log:
>
> 2010-02-02
>
> (12:11:57 PM) The topic for #pythonis: NO LOL |http://pound-python.org/
> | It's too early to usePython3.x | Pasting > 3 lines?
> Pastebin:http:/
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