Chris Angelico writes:
> Ehh, granted. Definitely a case of "should". But certainly, there
> won't be an infinite number of new exceptions invented;
Right, the number is finite, but the issue is that it's unknown. It's
like never knowing whether you've fixed the last bug in a program.
--
http:
On Mon, 22 Aug 2011 11:08 pm John O'Hagan wrote:
> On Mon, 22 Aug 2011 15:27:36 +1000
> Steven D'Aprano wrote:
[...]
>> # Untested
>> class MySeq(object):
>> methods_to_delegate = ('__getitem__', '__len__', ...)
>> pitches = ... # make sure pitches is defined
>> def __getattr__(self,
On Mon, Aug 22, 2011 at 4:39 PM, Miki Tebeka wrote:
> You can check if there is a "non-allowed variable" and then return HTTP error.
> if set(form) - set(allowedVariables):
> print('Status: 406\n\n')
> raise SystemExit()
>
I'd be disinclined to do this; ignore unrecognized query variables,
On Tue, Aug 23, 2011 at 8:21 AM, Paul Rubin wrote:
> Chris Angelico writes:
>> Ehh, granted. Definitely a case of "should". But certainly, there
>> won't be an infinite number of new exceptions invented;
>
> Right, the number is finite, but the issue is that it's unknown. It's
> like never knowi
On 22/08/2011 20:42, Bob Greschke wrote:
Several people have been hacking away on this computer we are testing
on, so I'm not sure what settings -- other than all of them -- have been
messed with, but popen("time ...") seems to work, but system("time ...")
does not. I'm going to restore the machi
On Mon, 22 Aug 2011 04:26 am Paul Rubin wrote:
> The Erlang approach is tempting. Don't catch the exception at all--just
> let the process crash, and restart it. But that's a more heavyweight
> operation in Python.
You might be interested in this paper:
http://usenix.org/events/hotos03/tech/fu
On Tuesday, August 23, 2011 04:42:04 AM Chris Angelico did opine:
> On Tue, Aug 23, 2011 at 8:21 AM, Paul Rubin
wrote:
> > Chris Angelico writes:
> >> Ehh, granted. Definitely a case of "should". But certainly, there
> >> won't be an infinite number of new exceptions invented;
> >
> > Right, t
On Tue, Aug 23, 2011 at 9:43 AM, gene heskett wrote:
> OTOH, ChrisA, I have it on good authority that no program is ever finished,
> until someone shoots the programmer. :)
>
Correct, although I've had projects that were killed by changes to
requirements - such as my fantastic system for writing
People have illusion that it is faster to visit the attribute defined
by __slots__ .
http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
That is wrong. The following tests show it is slower.
__slots__ are implemented at the class level by creating descriptors
(Implementing Descrip
Jack wrote:
> People have illusion that it is faster to visit the attribute defined
> by __slots__ .
> http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
>
> That is wrong. The following tests show it is slower.
Not so fast. Here's what I get (python2.6.4, 64 bit):
$ python -
On Tue, Aug 23, 2011 at 12:26 PM, Peter Otten <__pete...@web.de> wrote:
> Jack wrote:
>
> > People have illusion that it is faster to visit the attribute defined
> > by __slots__ .
> > http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
> >
> > That is wrong. The following tests s
On Aug 23, 5:48 am, Jack wrote:
> People have illusion that it is faster to visit the attribute defined
> by __slots__
> .http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
>
> That is wrong. The following tests show it is slower.
No, they don't really show anything. The defau
i have heard that function invocation in python is expensive, but make
lots of functions are a good design habit in many other languages, so
is there any principle when writing python function?
for example, how many lines should form a function?
--
http://mail.python.org/mailman/listinfo/python-li
smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
> for example, how many lines should form a function?
Five ;)
--
http://mail.p
smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
It's hard to discuss in the abstract. A function should perform a
recognizabl
In article ,
smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
> for example, how many lines should form a function?
Enough lin
In article , Peter Otten <__pete...@web.de>
wrote:
> smith jack wrote:
>
> > i have heard that function invocation in python is expensive, but make
> > lots of functions are a good design habit in many other languages, so
> > is there any principle when writing python function?
> > for example,
smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
> for example, how many lines should form a function?
Don't compromise the desig
I accidentally sent below mail only to roy. Resending to groups.
-- Yönlendirilmiş ileti --
Kimden: Yaşar Arabacı
Tarih: 23 Ağustos 2011 16:19
Konu: Re: is there any principle when writing python function
Kime: Roy Smith
I don't see myself a good python programmer or anything,
I am making QR codes that cell phone users scan in order
to make use of an application. Part of the information
is a token that needs to be passed on to the server, but
I'd rather not allow a person examining the QR code to
be able to see that plain bit of information. I'd like
to scramble up th
Hi All,
PyDev 2.2.2 has been released
Details on PyDev: http://pydev.org
Details on its development: http://pydev.blogspot.com
Release Highlights:
---
**IPython / Interactive console**
* IPython (0.10 or 0.11) is now used as the interactive console
backend if Py
Am 22.08.2011 15:07, schrieb johnny.venter:
> Chris, thank you for the information. Focusing on Active Directory, I
> reviewed the info at the following site:
> http://technet.microsoft.com/en-us/library/cc961766.aspx
>
> Based on this, I need to find a module that implements the LDAP APIs. By
I have created an egg file with one source file in it, hello.py (I
just want to go through the entire uild/install/execute cycle using
egg files). I create it fine, and now I want to execute the eg file
directly (i.e. run it without unpacking or easy_install'ing it). So
when I invoke it from the di
but i can invoke it in eclipse, what's wrong?
the script refered to another python script in eclipse project.
f:\project\src\a.py
f:\project\src\lib\b.py
there is such lines in a.py
from lib import b
i can invoke a.py very well in eclipse
but failed when using python f:\project\src\a.py, what's
Hi Python users,
I just realize that my post yesterday shouldn't be specifically for mechanize.
It should be a general question for file-like objects.
>>> f = open('my_file.txt')
>>> print f.readlines()
( prints a list of strings
>>> print f.readlines()
[]
There are quite a few methods
In smith jack
writes:
> but i can invoke it in eclipse, what's wrong?
> the script refered to another python script in eclipse project.
> f:\project\src\a.py
> f:\project\src\lib\b.py
> there is such lines in a.py
> from lib import b
> i can invoke a.py very well in eclipse
> but failed whe
On Tue, Aug 23, 2011 at 3:03 PM, smith jack wrote:
> but failed when using python f:\project\src\a.py, what's wrong?
> (the error msg shows a.py cannot find b.py) , what should i do in
> order to run a.py using command line?
>
>From the sound of things, your working directory is not
f:\project\sr
How many of these codes do you need, and do they only need to be decrypted
at a central server? You might be able to just create random strings of
whatever form you want and associate them with the tokens in a database.
Then they will be completely opaque.
--
http://mail.python.org/mailman/listinf
hello,
I am zsing py2exe to compile exe files. I would like to incorporate png and
icon file into exe and then use it during program run (to show it in about
dialog and system tray). How can I do it?
For example now I
use self.staticon.set_from_file(os.path.join(module_path(), "icon.ico")) but
I
smith jack wrote:
> i have heard that function invocation in python is expensive,
It's expensive, but not *that* expensive. Compare:
[steve@sylar ~]$ python3.2 -m timeit 'x = "abc".upper()'
100 loops, best of 3: 0.31 usec per loop
[steve@sylar ~]$ python3.2 -m timeit -s 'def f():
return "ab
On Aug 23, 9:21 am, Yingjie Lin wrote:
> Hi Python users,
>
> I just realize that my post yesterday shouldn't be specifically for
> mechanize. It should be a general question for file-like objects.
>
> >>> f = open('my_file.txt')
> >>> print f.readlines()
>
> ( prints a list of strings>>>
On 08/23/2011 08:08 AM, Ian Kelly wrote:
How many of these codes do you need, and do they only need to be
decrypted at a central server? You might be able to just create random
strings of whatever form you want and associate them with the tokens in
a database. Then they will be completely opaque.
Am 23.08.2011 16:21, schrieb Yingjie Lin:
Hi Python users,
[snip]
There are quite a few methods for file-like objects that can only be used once
on one object. If I prefer to use some of these methods on one object, one
after another, like:
f.readlines()
f.read()
...
What should I do? Than
Yingjie Lin wrote:
> Hi Python users,
>
> I just realize that my post yesterday shouldn't be specifically for
> mechanize. It should be a general question for file-like objects.
>
f = open('my_file.txt')
print f.readlines()
> ( prints a list of strings
print f.readlines()
> []
On
Hi,
I would like to create/find a Python 3.x distribution that can be
redeployed simply by copying a directory of required files; i.e.
without the need for actually "installing" an MSI, modifying Windows
registry entries, etc. First of all, will Python even work on Windows
simply by copying files
I haven't tried it myself yet, but might http://www.portablepython.com/
be what you're looking for?
--
http://mail.python.org/mailman/listinfo/python-list
Hello,
please how can i set space between program name/version and logo in this
code? thanks
about = gtk.AboutDialog()
about.set_program_name("name")
about.set_version("0.0.1")
about.set_logo(gtk.gdk.pixbuf_new_from_file("file.png"))
--
http://mail.python.org/mailman/listinfo/python-list
smith jack wrote:
> but i can invoke it in eclipse, what's wrong?
> the script refered to another python script in eclipse project.
>
> f:\project\src\a.py
> f:\project\src\lib\b.py
>
> there is such lines in a.py
> from lib import b
>
> i can invoke a.py very well in eclipse
>
> but failed wh
On 2011-08-23 02:26:38 -0600, Tim Golden said:
On 22/08/2011 20:42, Bob Greschke wrote:
Several people have been hacking away on this computer we are testing
on, so I'm not sure what settings -- other than all of them -- have been
messed with, but popen("time ...") seems to work, but system("t
On 2011-08-23, Steven D'Aprano wrote:
> Yingjie Lin wrote:
>
>> Hi Python users,
>>
>> I just realize that my post yesterday shouldn't be specifically for
>> mechanize. It should be a general question for file-like objects.
>>
> f = open('my_file.txt')
> print f.readlines()
>> ( prints a
On 2011.08.23 10:29 AM, Eric Lemings wrote:
> Hi,
>
> I would like to create/find a Python 3.x distribution that can be
> redeployed simply by copying a directory of required files; i.e.
> without the need for actually "installing" an MSI, modifying Windows
> registry entries, etc. First of all,
I want to log a string but only the first bunch of it, and add "..."
to the end if it got truncated. This certainly works:
log_message = message
if len(log_message) >= 50:
log_message = log_message[:50] + '...'
logger.error("FAILED: '%s', '%s', %s, %s" %
On Aug 23, 9:31 am, Redcat wrote:
> I haven't tried it myself yet, but mighthttp://www.portablepython.com/
> be what you're looking for?
Almost except it contains additional Python packages that I'm not
interested in.
--
http://mail.python.org/mailman/listinfo/python-list
Tobiah wrote:
> I really need some sort of
> algorithm that will let me take an unknown string and generate
> the encrypted bit on the fly.
Google broken for you? *wink*
Seriously, there are about a bazillion algorithms for encrypting and
obfuscating strings. Depending on your security requireme
On 08/23/2011 09:55 AM, Steven D'Aprano wrote:
Tobiah wrote:
I really need some sort of
algorithm that will let me take an unknown string and generate
the encrypted bit on the fly.
Google broken for you? *wink*
I had some requirements in the OP that I could not
find a solution for.
Seriou
On 2011-08-23, smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
Lots of them. None of them have to do with performance.
> for
On Aug 23, 6:59 am, smith jack wrote:
> i have heard that function invocation in python is expensive, but make
> lots of functions are a good design habit in many other languages, so
> is there any principle when writing python function?
> for example, how many lines should form a function?
Every
On Tue, Aug 23, 2011 at 9:29 AM, Roy Smith wrote:
> I want to log a string but only the first bunch of it, and add "..."
> to the end if it got truncated. This certainly works:
>
> log_message = message
> if len(log_message) >= 50:
> log_message = log_message[:50] + '
gene heskett writes:
> OTOH, ChrisA, I have it on good authority that no program is ever finished,
> until someone shoots the programmer. :)
The way I heard it was "software is never finished until the last user
is dead".
--
http://mail.python.org/mailman/listinfo/python-list
On Aug 21, 2011 1:34 PM, "Max" wrote:
> > a[0:11][::-1]
> > # Instead of a[10:-1:-1], which looks like it should work, but doesn't.
>
> It works nicely, but it is 1.3 times slower in my code (I am surprised
> the interpreter doesn't optimize this).
Have you tried reverse()? I haven't timed it, bu
On 8/23/2011 7:59 AM, smith jack wrote:
i have heard that function invocation in python is expensive,
That comes into play when chosing between
list2 = map(lambda x: 2*x, list1) # versus
list2 = [2*x for x in list1]
It also comes into play when choosing between looping with recursion
(functi
On 8/23/2011 11:22 AM, Steven D'Aprano wrote:
Even 7±2 is probably excessive: I find that I'm most comfortable with
functions that perform 4±1 chunks of work. An example from one of my
classes:
def find(self, prefix):
"""Find the item that matches prefix."""
prefix = pref
Hi.
I`ve been trying to copy a long text from one file to another but it always
copied me just a small part.
I would be glad if you can help me or explain which is my error.
Thanks
--
def runMenu():
print "\nMENU"
On 8/23/11 8:29 AM, Eric Lemings wrote:
> I would like to create/find a Python 3.x distribution that can be
> redeployed simply by copying a directory of required files; i.e.
Just take the default installer, install it, and then check the Python
directory: does it have the python DLL? If not, go l
Hello,
My company an ISP is looking to build an administrative webapp
dashboard for our underlying systems. We are looking to hire a
developer(s) immediately. We would prefer the application be built on
python with a popular framework such as pyramid. This position is a
contract position paid hour
On Aug 23, 1:29 pm, Terry Reedy wrote:
> In terms of different functions performed (see my previous post), I see
> attribute lookup
> assignment
> enumerate
> sequence unpacking
> for-looping
> if-conditioning
> lower
> startswith
> return
> That is 9, which is enough.
On Aug 22, 1:57 pm, Steven D'Aprano wrote:
> The relationship between type and object is somewhat special, and needs to
> be bootstrapped by the CPython virtual machine.
Since you are talking about CPython, I'm wondering how it is
bootstraped since you can easly reference PyType in PyObject tha
On 2011-08-23, Roy Smith wrote:
> I want to log a string but only the first bunch of it, and add "..."
> to the end if it got truncated. This certainly works:
> logger.error("FAILED: '%s{50}', '%s', %s, %s" % (message,
> route, params, e.code))
> does anything like this exist?
%.50s
On Aug 22, 5:41 pm, Stephen Hansen wrote:
> > 3) object's type is type : object.__class__ is type
> > 4) type parent object is object : type.__bases__ == (object,)
>
> Saying "type" and "parent" and the like for new-style classes is
> something of a misnomer. For "type" and "object", these things
Seebs wrote:
On 2011-08-23, Roy Smith wrote:
I want to log a string but only the first bunch of it, and add "..."
to the end if it got truncated. This certainly works:
logger.error("FAILED: '%s{50}', '%s', %s, %s" % (message,
route, params, e.code))
does anything like this exis
On Aug 23, 1:52 pm, Stephen Hansen wrote:
> On 8/23/11 8:29 AM, Eric Lemings wrote:
>
> > I would like to create/find a Python 3.x distribution that can be
> > redeployed simply by copying a directory of required files; i.e.
>
> Just take the default installer, install it, and then check the Pytho
On 2011-08-23, Ethan Furman wrote:
> Seebs wrote:
>> On 2011-08-23, Roy Smith wrote:
>>> logger.error("FAILED: '%s{50}', '%s', %s, %s" % (message,
>>> route, params, e.code))
>>> does anything like this exist?
>> %.50s
> That's not working in 2.7 or 3.2.
Huh.
Python 2.6.1 (
What is recommended for upgrading python for windows? Do I just install the new
versionDo I edit my system path? Should I uninstall the old version. Right now
I have 2.7 and3.1 and 3.2 and I keep editing my system path when I install a
new version but I'm notsure that's the right way to go.
Mathew writes:
> We are looking to hire a developer(s) immediately.
Please don't use this Python discussion for recruitment.
Instead, please use the Python Jobs Board for that purpose
http://www.python.org/community/jobs/>.
--
\ “It's a good thing we have gravity or else when birds
On 8/23/2011 6:09 PM, Ronald Reynolds wrote:
What is recommended for upgrading python for windows? Do I just install
the new version
I put each version in its own Pythonxy directory, as the installer
wants. x.y.z bug fix releases replace the previous x.y release.
Do I edit my system path?
Seebs wrote:
On 2011-08-23, Ethan Furman wrote:
Seebs wrote:
On 2011-08-23, Roy Smith wrote:
logger.error("FAILED: '%s{50}', '%s', %s, %s" % (message,
route, params, e.code))
does anything like this exist?
%.50s
That's not working in 2.7 or 3.2.
Huh.
Python 2.6.
On 8/23/2011 5:56 PM, Eric Lemings wrote:
On Aug 23, 1:52 pm, Stephen Hansen wrote:
On 8/23/11 8:29 AM, Eric Lemings wrote:
I would like to create/find a Python 3.x distribution that can be
redeployed simply by copying a directory of required files; i.e.
Just take the default installer, ins
Seebs wrote:
> Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49)
> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> print "%.5s" % ("hello there, truncate me!")
> hello
Well, whadda you know, I learned something new :)
Terry Reedy wrote:
> On 8/23/2011 11:22 AM, Steven D'Aprano wrote:
>
>> Even 7±2 is probably excessive: I find that I'm most comfortable with
>> functions that perform 4±1 chunks of work. An example from one of my
>> classes:
>>
>> def find(self, prefix):
>> """Find the item that ma
Hello all,
Does anyone have any good resources for learning Python? I know basic
Java and basic Python (loops, data types, if-then statements, etc), but
I want to delve into Python further. If anyone knows of any good books,
video tutorials, etc it would be greatly appreciated.
Thanks,
User
--
rantingrick wrote:
> Everyone here who is suggesting that function bodies should be
> confined to ANY length is an idiot.
Or, more likely, is the sort of coder who has worked with other coders
in the past and understands the value of readable code.
> Don't worry if it too small or too big. It's
rantingrick wrote:
> https://sites.google.com/site/thefutureofpython/
"Very soon I will be hashing out a specification for python 4000."
AHAHAHAHAhahahahahahahAHAHAHAHahahahahaaa. So rich. Anyone willing
to bet serious money we won't see this before 4000AD?
"Heck even our leader seems as a
On 01/-10/-28163 02:59 PM, Adrián Monkas wrote:
Hi.
I`ve been trying to copy a long text from one file to another but it always
copied me just a small part.
I would be glad if you can help me or explain which is my error.
Thanks
---
On Wed, 24 Aug 2011 12:46 pm User wrote:
> Hello all,
> Does anyone have any good resources for learning Python?
http://duckduckgo.com/?q=python+tutorial
--
Steven
--
http://mail.python.org/mailman/listinfo/python-list
Radio Free Python is a new monthly podcast focused on Python and its
community.
Episode 1 has just been released! It features a panel discussion with
the PythonLabs team:
* Barry Warsaw,
* Fred Drake,
* Guido van Rossum,
* Roger Masse,
* and Tim Peters.
You can find it at
On Tue, Aug 23, 2011 at 9:05 PM, Dave Angel wrote:
> On 01/-10/-28163 02:59 PM, Adrián Monkas wrote:
>> print "Abro Archivo Origen"
>> archivo=open("D:\Boot.txt","r")
> Your filenames are incorrect, since you use the backslash without escaping
> it. So the source file ha
On 2011-08-23, Ethan Furman wrote:
> Ah -- that's only part of it -- the OP wants '...' to print as well. :)
O. Hmm.
That's harder. I can't think of a pretty way, so I think I'd probably
write a "prettytrunc(string, len)" or something similar.
-s
--
Copyright 2011, all wrongs reversed.
If you need an int isn't better to use input() instead of raw_input() ?
On Tue, Aug 23, 2011 at 10:00 PM, Adrián Monkas wrote:
> Hi.
> I`ve been trying to copy a long text from one file to another but it always
> copied me just a small part.
> I would be glad if you can help me or explain which i
On Tue, Aug 23, 2011 at 11:29 PM, Muresan Alexandru Mihai
wrote:
> If you need an int isn't better to use input() instead of raw_input() ?
Absolutely not! input() does an eval(), which is very dangerous
security-wise and can also lead to rather strange behavior.
input() is so bad that it was remo
http://greenteapress.com/thinkpython/
On Aug 23, 2011, at 10:46 PM, User wrote:
> Hello all,
> Does anyone have any good resources for learning Python? I know basic Java
> and basic Python (loops, data types, if-then statements, etc), but I want to
> delve into Python further. If anyone knows o
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