Pyrolite 1.1 - lightweight Pyro client library for Java and .NET

2011-07-28 Thread Irmen de Jong
I'd like to announce Pyrolite 1.1, a lightweight Pyro client library for Java and .NET what is a java/.net library doing in this Python newsgroup? If you've got a Python application and you find yourself wanting to access it from the harsh world of java or .net, Pyrolite could be of help. This

PyCon Australia 2011: Registration Back Online

2011-07-28 Thread Ryan Kelly
Hi Everyone, After a brief hiatus, registrations for PyCon Australia 2011 are back online! We have extended some registration deadlines to compensate for the outage. PyCon Australia is Australia's only conference dedicated exclusively to the Python programming language, and will be held at

Re: Programming Python for Absolute Beginners

2011-07-28 Thread harrismh777
Billy Mays wrote: No one cares and don't spam the list. ... ouch, now I feel really bad... has someone not had their coffee this morning? kind regards, -- m harris FSF ...free as in freedom/ http://webpages.charter.net/harrismh777/gnulinux/gnulinux.htm --

Re: PEP 8 and extraneous whitespace

2011-07-28 Thread OKB (not okblacke)
Thomas 'PointedEars' Lahn wrote: Automatic word-wrap, where available, really is not a solution; it is a bad workaround to a problem caused by the original author of the source code that can be easily avoided by them taking more care while coding. I think exactly the opposite. The

Re: Pipe in the return statement

2011-07-28 Thread Thomas 'PointedEars' Lahn
Ethan Furman wrote: Billy Mays wrote: On 07/25/2011 10:16 AM, Archard Lias wrote: On Jul 25, 2:03 pm, Ian Collinsian-n...@hotmail.com wrote: On 07/26/11 12:00 AM, Archard Lias wrote: Still I dont get how I am supposed to understand the pipe and its task/ idea/influece on control flow, of:

Approximate comparison of two lists of floats

2011-07-28 Thread Christian Doll
Hello, i have e little performance problem with my code... i have to compare many lists of very much floats. at moment i have nested for-loops for a in range( len(lists) ): for b in range( a+1 , len(lists) ): for valuea in lists[a]: equal=False for valueb in

Approximate comparison of two lists of floats

2011-07-28 Thread Christian
Hello, i have e little performance problem with my code... i have to compare many lists of very much floats. at moment i have nested for-loops for a in range( len(lists) ): for b in range( a+1 , len(lists) ): for valuea in lists[a]: equal=False for valueb in

Re: Approximate comparison of two lists of floats

2011-07-28 Thread Peter Otten
Christian Doll wrote: i have e little performance problem with my code... i have to compare many lists of very much floats. at moment i have nested for-loops for a in range( len(lists) ): for b in range( a+1 , len(lists) ): for valuea in lists[a]: equal=False

multilanguage application - step by step

2011-07-28 Thread miamia
Hello guys, I would like to translate all strings in my application for several languages (eng, es, de, etc) and user should be able to switch app from one language to another. I am still newbie with python so is there any step-by-step tutorial how to to this? thanks for help --

multilanguage application - step by step

2011-07-28 Thread Peter Irbizon
Hello guys, I would like to translate all strings in my application for several languages (eng, es, de, etc) and user should be able to switch app from one language to another. I am still newbie with python so is there any step-by-step tutorial how to to this? thanks for help --

Re: multilanguage application - step by step

2011-07-28 Thread Chris Rebert
On Thu, Jul 28, 2011 at 2:11 AM, Peter Irbizon peterirbi...@gmail.com wrote: Hello guys, I would like to translate all strings in my application for several languages (eng, es, de, etc) and user should be able to switch app from one language to another. I am still newbie with python so is

Re: PyWart: PEP8: A cauldron of inconsistencies.

2011-07-28 Thread Chris Angelico
On Thu, Jul 28, 2011 at 8:34 AM, rantingrick rantingr...@gmail.com wrote: -- Encodings (PEP 263) Code in the core Python distribution should always use the ASCII or Latin-1 encoding (a.k.a. ISO-8859-1).  For Python 3.0 and beyond, UTF-8

monotonically increasing memory usage

2011-07-28 Thread Pedro Larroy
Hi pickling Just crossposting this from stackoverflow: http://stackoverflow.com/questions/6857006/python-monotonically-increasing-memory-usage-leak Any hints? Pedro. -- Pedro Larroy Tovar   |    http://pedro.larroy.com/ -- http://mail.python.org/mailman/listinfo/python-list

unexpected regexp behaviour using 'A|B|C.....'

2011-07-28 Thread AlienBaby
When using re patterns of the form 'A|B|C|...' the docs seem to suggest that once any of A,B,C.. match, it is captured and no further patterns are tried. But I am seeing, st=' Id NameProv Type CopyOf BsId Rd -Detailed_State-Adm Snp Usr VSize'

Re: multilanguage application - step by step

2011-07-28 Thread Peter Irbizon
Hello, thank you for reply. I tried this: # -*- coding: utf-8 -*- import gettext gettext.bindtextdomain('multilanguage', 'E:\folder') gettext.textdomain('multilanguage') _ = gettext.gettext # ... lang1 = gettext.translation('multilanguage', languages=['sk']) lang1.install() print _('This is a

Re: multilanguage application - step by step

2011-07-28 Thread Andrew Berg
On 2011.07.28 05:12 AM, Peter Irbizon wrote: P.S. sorry for double posting but when I post my message on googlegroups I can't see it in googlegroups (don't know why) Last time I looked at this newsgroup (which was not that long ago) on Google Groups, it was 2 days behind. -- CPython 3.2.1 |

notify when a process exits

2011-07-28 Thread Ryan
Is there anyway in python to get a notification when a process exits? To be completely clear, I am looking for a notification solution, similar to pyinotify, not a polling one (I know I can poll a process using os.kill(pid, 0)). BTW, pyinotify will not work on /proc/pid as a solution. I have

Re: unexpected regexp behaviour using 'A|B|C.....'

2011-07-28 Thread Peter Otten
AlienBaby wrote: When using re patterns of the form 'A|B|C|...' the docs seem to suggest that once any of A,B,C.. match, it is captured and no further patterns are tried. But I am seeing, st=' Id NameProv Type CopyOf BsId Rd -Detailed_State-Adm

Is it bad practise to write __all__ like that

2011-07-28 Thread Karim
Hello, __all__ = 'api db input output tcl'.split() or __all__ = api db input output tcl .split() for lazy boy ;o). It is readable as well. What do you think? Cheers Karim --

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread Ben Finney
Karim karim.liat...@free.fr writes: Hello, __all__ = 'api db input output tcl'.split() or __all__ = api db input output tcl .split() Maybe this: __all__ = [x.__name__ for x in [

Re: How do I access IDLE in Win7

2011-07-28 Thread W. eWatson
On 7/27/2011 9:46 PM, Dennis Lee Bieber wrote: On Wed, 27 Jul 2011 17:28:38 -0700, W. eWatson wolftra...@invalid.com declaimed the following in gmane.comp.python.general: For junk.py, I tried Open With-Choose default program. I selected idle.pyw. When I tried the new default for getting to

Re: How do I access IDLE in Win7

2011-07-28 Thread Thomas Jollans
On 2011-07-28 13:56, W. eWatson wrote: On 7/27/2011 9:46 PM, Dennis Lee Bieber wrote: {and that was captured by aright-click in the command window, select all, anotherright-click to capture, then move to the newreader and ctrl-v to paste} I'm quite willing to do this in the command window,

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread Thomas Rachel
Am 28.07.2011 13:32 schrieb Karim: Hello, __all__ = 'api db input output tcl'.split() or __all__ = api db input output tcl .split() for lazy boy ;o). It is readable as well. What do you think? Why not? But you could even do class AllList(list): list which can be called in order to

Re: multilanguage application - step by step

2011-07-28 Thread Thomas Jollans
I used gettext in xmm2tray. You can have a look at the code as an example: http://code.jollybox.de/hg/xmms2tray/file/04443c59a7a1/src/xmms2tray/__init__.py On 2011-07-28 12:12, Peter Irbizon wrote: I tried this: # -*- coding: utf-8 -*- import gettext gettext.bindtextdomain('multilanguage',

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread Karim
On 07/28/2011 02:29 PM, Thomas Rachel wrote: __all__ = AllList() Hello Thomas, Very beautiful and elegant code. Having both at the same time an instance and a method... With this 'small' topic, you taught me something today on property application! Cheers Karim --

Re: How do I access IDLE in Win7

2011-07-28 Thread Jerry Hill
On Wed, Jul 27, 2011 at 5:26 PM, W. eWatson wolftra...@invalid.com wrote: .py=Python.File .pyw=Python.NoConFile Python.File=C:\Python25\python.exe %1 %* Python.File=C:\Python25\python.exe %1 %* Python.NoConFile=C:\Python25\pythonw.exe %1 %* That all looks good. I cannot copy from the cmd

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread mark ferguson
HI Thomas, I've not really got the hang of decorators yet, so I was wondering why one might use your approach rather than just using Karim's original method? I only really use python for smallish, utility programs, so I suppose I haven't come across an issue complex enough to see a clear

gettext localize strings with variables

2011-07-28 Thread miamia
Hello, I have variable OUHH and print _('This is %(OUHH)s a translatable string.' % locals()) how can I translate this ? -- http://mail.python.org/mailman/listinfo/python-list

Re: gettext localize strings with variables

2011-07-28 Thread Thomas Jollans
On 28/07/11 15:33, miamia wrote: Hello, I have variable OUHH and print _('This is %(OUHH)s a translatable string.' % locals()) how can I translate this ? Get the translation first, insert values second. _('This string contains a variable: {0}. Amazing').format(OUHH) Depending on what the

Can Epydoc be used to document decorated function in Python?

2011-07-28 Thread Victor Khangulov
Hello, is there a way to use epydoc to document a Python function that has been decorated? @decorator def func1(): My function func1 print In func1 The resulting output of epydoc is that func1 gets listed as a variable with no description. I am using Epydoc v3.0.1. Thanks

Re: How do I access IDLE in Win7

2011-07-28 Thread W. eWatson
On 7/28/2011 6:19 AM, Jerry Hill wrote: On Wed, Jul 27, 2011 at 5:26 PM, W. eWatsonwolftra...@invalid.com wrote: .py=Python.File .pyw=Python.NoConFile Python.File=C:\Python25\python.exe %1 %* Python.File=C:\Python25\python.exe %1 %* Python.NoConFile=C:\Python25\pythonw.exe %1 %* That all

Re: How do I access IDLE in Win7

2011-07-28 Thread W. eWatson
On 7/28/2011 8:10 AM, W. eWatson wrote: On 7/28/2011 6:19 AM, Jerry Hill wrote: On Wed, Jul 27, 2011 at 5:26 PM, W. eWatsonwolftra...@invalid.com wrote: .py=Python.File .pyw=Python.NoConFile Python.File=C:\Python25\python.exe %1 %* Python.File=C:\Python25\python.exe %1 %*

NoneType and new instances

2011-07-28 Thread Ethan Furman
Consider: Python 3.2 (r32:88445, Feb 20 2011, 21:29:02) [MSC v.1500 32 bit (Intel)] on win32 Type help, copyright, credits or license for more information. -- for ins in ({0:'0'}, (1,), set([2, 3]), [4, 5], 6, 'seven', ... 8.0, True, None): ... print(type(ins)) ... type(ins)() ... class

Re: NoneType and new instances

2011-07-28 Thread Billy Mays
On 07/28/2011 11:39 AM, Ethan Furman wrote: class 'NoneType' Traceback (most recent call last): File stdin, line 3, in module TypeError: cannot create 'NoneType' instances Why is NoneType unable to produce a None instance? I realise that None is a singleton, but so are True and False, and bool

Re: Seeking an example on using Queue to update variable while threading

2011-07-28 Thread Kushal Kumaran
On Thu, Jul 28, 2011 at 11:13 AM, Danny Wong (dannwong) dannw...@cisco.com wrote: Hi Python experts,        I'm trying to use a dict structure to store and update information from X number of threads. How do I share this dict structure between threads? I heard of using a queue, but I'm not

Re: shlex parsing

2011-07-28 Thread Karim
Hello You have you feet on earth Web Dreamer! Very clever! Beautiful hack! Many Thanks Karim On 07/28/2011 05:48 PM, Web Dreamer wrote: Karim a écrit ce mercredi 27 juillet 2011 21:30 dansmailman.1538.1311795072.1164.python-l...@python.org : Hello All, I would like to parse this TCL

Re: shlex parsing

2011-07-28 Thread Nobody
On Thu, 28 Jul 2011 17:48:34 +0200, Web Dreamer wrote: I would like to parse this TCL command line with shlex: '-option1 [get_rule A1 B2] -option2 $VAR -option3 TAG' s = s.replace('[','[') s = s.replace(']',']') Note that this approach won't work if you have nested brackets or braces.

Fw: Programming Python for Absolute Beginners

2011-07-28 Thread Patty
I replied to 'm' but I really wanted to reply to the whole group - Patty Here it is: - Original Message - From: Patty pa...@cruzio.com To: har...@member.fsf.org Sent: Thursday, July 28, 2011 8:10 AM Subject: Re: Programming Python for Absolute Beginners - Original Message

Re: monotonically increasing memory usage

2011-07-28 Thread Nobody
On Thu, 28 Jul 2011 11:52:25 +0200, Pedro Larroy wrote: pickling Just crossposting this from stackoverflow: http://stackoverflow.com/questions/6857006/ Any hints? AFAIK, it's because the Pickler object keeps a reference to each object so that pointer-sharing works; if you write the

Re: NoneType and new instances

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 9:39 AM, Ethan Furman et...@stoneleaf.us wrote: Why is NoneType unable to produce a None instance?  I realise that None is a singleton, but so are True and False, and bool is able to handle returning them: The bool constructor works (actually just returns one of the

Re: shlex parsing

2011-07-28 Thread Karim
Just a little modification: tuple([(option, value) for option,value in zip(optionlist[0::2],optionlist[1::2])]) == tuple(zip(optionlist[0::2],optionlist[1::2])) True Indeed: tuple(zip(optionlist[0::2],optionlist[1::2])) shorter than: tuple([(option, value) for option,value in

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 7:22 AM, mark ferguson markf...@gmail.com wrote: I've not really got the hang of decorators yet, so I was wondering why one might use your approach rather than just using Karim's original method? The advantage of Thomas's decorator here is that it lets you place the

Re: Approximate comparison of two lists of floats

2011-07-28 Thread Dan Stromberg
You'd probably better explain in English which things truly need to be compared with what. Right now, your first version is, I believe, an O(n^4) algorithm, which is extremely expensive, while your second (set-based) version appears to be O(n^3), which is quite a bit better, but still not

list comprehension to do os.path.split_all ?

2011-07-28 Thread gry
[python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' -- ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] os.path.split gives me a tuple of dirname,basename, but there's no os.path.split_all function.

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Stefaan Himpe
Hi, [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' -- ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] Not sure what your exact requirements are, but the following seems to work: pathname

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Neil Cerutti
On 2011-07-28, gry georgeryo...@gmail.com wrote: [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' -- ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] os.path.split gives me a tuple of

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 2:18 PM, gry georgeryo...@gmail.com wrote: [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.:   '/home/gyoung/hacks/pathhack/foo.py'  --  ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] os.path.split gives me a

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Alan Meyer
On 7/28/2011 4:18 PM, gry wrote: [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' -- ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] os.path.split gives me a tuple of dirname,basename, but

Re: NoneType and new instances

2011-07-28 Thread Ethan Furman
Ian Kelly wrote: On Thu, Jul 28, 2011 at 9:39 AM, Ethan Furman et...@stoneleaf.us wrote: Why is NoneType unable to produce a None instance? I realise that None is a singleton, but so are True and False, and bool is able to handle returning them: The bool constructor works (actually just

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 2:44 PM, Ian Kelly ian.g.ke...@gmail.com wrote: path = '/home/gyoung/hacks/pathhack/foo.py' parts = [part for path, part in iter(lambda: os.path.split(path), ('/', ''))] parts.reverse() print parts But that's horrendously ugly.  Just write a generator with a while

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Ethan Furman
Neil Cerutti wrote: If an elegant solution doesn't occur to me right away, then I first compose the most obvious solution I can think of. Finally, I refactor it until elegance is either achieved or imagined. +1 QOTW -- http://mail.python.org/mailman/listinfo/python-list

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 2:47 PM, Ian Kelly ian.g.ke...@gmail.com wrote: On Thu, Jul 28, 2011 at 2:44 PM, Ian Kelly ian.g.ke...@gmail.com wrote: path = '/home/gyoung/hacks/pathhack/foo.py' parts = [part for path, part in iter(lambda: os.path.split(path), ('/', ''))] parts.reverse() print parts

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Alexander Kapps
On 28.07.2011 22:44, Ian Kelly wrote: On Thu, Jul 28, 2011 at 2:18 PM, grygeorgeryo...@gmail.com wrote: [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' --['home', 'gyoung', 'hacks',

Any suggestion to start more threads at the same time?

2011-07-28 Thread smith jack
I start many threads in order to make the work done, when the concurrent number is set to 300, all thing just works fine, but when the number is set to 350 or higher, error just comes out? what's wrong ? the error info is just as follows: failed to start . I am confused, does this have

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Emile van Sebille
On 7/28/2011 1:18 PM gry said... [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.: '/home/gyoung/hacks/pathhack/foo.py' -- ['home', 'gyoung', 'hacks', 'pathhack', 'foo.py'] os.path.split gives me a tuple of dirname,basename, but

Re: NoneType and new instances

2011-07-28 Thread Chris Angelico
On Fri, Jul 29, 2011 at 7:03 AM, Ethan Furman et...@stoneleaf.us wrote: I'll use a lambda to get around it, but that's not very elegant.  Why shouldn't NoneType be able to return the singleton None? Why a lambda? def ThisFunctionWillReturnNone(): pass Although, since the returning of None

Re: list comprehension to do os.path.split_all ?

2011-07-28 Thread Ian Kelly
On Thu, Jul 28, 2011 at 3:15 PM, Emile van Sebille em...@fenx.com wrote: On 7/28/2011 1:18 PM gry said... [python 2.7] I have a (linux) pathname that I'd like to split completely into a list of components, e.g.:    '/home/gyoung/hacks/pathhack/foo.py'  --   ['home', 'gyoung', 'hacks',

Re: @PyNoobs: The Fundamental Five Built-in Functions, and Beyond!

2011-07-28 Thread rantingrick
On Jul 26, 9:53 pm, Terry Reedy tjre...@udel.edu wrote: On 7/26/2011 8:01 PM, rantingrick wrote: Most new user think that printing an object to stdout is all they'll ever need. However when you call print -- or sys.stdout.write(object) -- you are only seeing a friendly version of the

Re: NoneType and new instances

2011-07-28 Thread Ben Finney
Ethan Furman et...@stoneleaf.us writes: Why is NoneType unable to produce a None instance? I realise that None is a singleton That answers your question. Because None is a singleton, the job of its type is to make sure there are no other instances. but so are True and False, and bool is able

Re: NoneType and new instances

2011-07-28 Thread Ethan Furman
Chris Angelico wrote: On Fri, Jul 29, 2011 at 7:03 AM, Ethan Furman et...@stoneleaf.us wrote: I'll use a lambda to get around it, but that's not very elegant. Why shouldn't NoneType be able to return the singleton None? Why a lambda? def ThisFunctionWillReturnNone(): pass Although,

Re: NoneType and new instances

2011-07-28 Thread Ethan Furman
Ben Finney wrote: Ethan Furman et...@stoneleaf.us writes: Why is NoneType unable to produce a None instance? I realise that None is a singleton That answers your question. Because None is a singleton, the job of its type is to make sure there are no other instances. Which it can do quite

Re: Any suggestion to start more threads at the same time?

2011-07-28 Thread Irmen de Jong
On 28-7-2011 23:07, smith jack wrote: I start many threads in order to make the work done, when the concurrent number is set to 300, all thing just works fine, but when the number is set to 350 or higher, error just comes out? what's wrong ? the error info is just as follows: failed to start

PyWart: PEP8: a seething cauldron of inconsistencies.

2011-07-28 Thread rantingrick
I believe the current Python style guide is inconsistent. The author again allowed his emotion to get in the way of logic. I will be posting blocks of text from the PEP8 and commenting below them. -- One of Guido's key insights is that

Re: NoneType and new instances

2011-07-28 Thread Ben Finney
Ethan Furman et...@stoneleaf.us writes: Ben Finney wrote: Ethan Furman et...@stoneleaf.us writes: This feels like a violation of 'Special cases aren't special enough to break the rules.' In the case of ‘bool’, the rule was broken before being introduced. I think we disagree on what

Re: Any suggestion to start more threads at the same time?

2011-07-28 Thread Dan Stromberg
You could try Jython. Other than that, you probably want a threadpool, or perhaps to try multiprocessing - but that much forking could be a problem as well. On Thu, Jul 28, 2011 at 2:07 PM, smith jack thinke...@gmail.com wrote: I start many threads in order to make the work done, when the

Re: PyWart: PEP8: a seething cauldron of inconsistencies.

2011-07-28 Thread harrismh777
rantingrick wrote: I believe the current Python style guide is inconsistent. The author again allowed his emotion to get in the way of logic. Well, does not PEP8 state, A Foolish Consistency is the Hobgoblin of Little Minds ? Your parody is witty, and not without serious commentary;

Re: Any suggestion to start more threads at the same time?

2011-07-28 Thread Christian Heimes
Am 28.07.2011 23:07, schrieb smith jack: I start many threads in order to make the work done, when the concurrent number is set to 300, all thing just works fine, but when the number is set to 350 or higher, error just comes out? what's wrong ? the error info is just as follows: failed to

Re: NoneType and new instances

2011-07-28 Thread Steven D'Aprano
Ethan Furman wrote: Why is NoneType unable to produce a None instance? I realise that None is a singleton, but so are True and False, and bool is able to handle returning them: I've asked this question myself. As I recall the answer, it's just a matter of personal preference. Some people

gettext switch language on the fly

2011-07-28 Thread Peter Irbizon
hello, I am using gettext fo localization local_path=os.path.join(module_path(), lang_folder) gettext.bindtextdomain(lang_name, local_path) gettext.textdomain(lang_name) # Get the language to use lang = gettext.translation(lang_name, local_path,

Re: NoneType and new instances

2011-07-28 Thread Steven D'Aprano
Ian Kelly wrote: Why would you ever need to instantiate NoneType? Well, you probably wouldn't deliberately, but if you have code like this: types = [type(x) for x in list_of_objects] # later on... for t in types: instance = t() do_something_with(instance) it would be nice if it

Re: NoneType and new instances

2011-07-28 Thread Steven D'Aprano
Chris Angelico wrote: On Fri, Jul 29, 2011 at 7:03 AM, Ethan Furman et...@stoneleaf.us wrote: I'll use a lambda to get around it, but that's not very elegant.  Why shouldn't NoneType be able to return the singleton None? Why a lambda? def ThisFunctionWillReturnNone(): pass This is

Re: NoneType and new instances

2011-07-28 Thread Terry Reedy
On 7/28/2011 5:03 PM, Ethan Furman wrote: I'm glad you asked! I'm using dictionaries to describe fields and what their return values should be. There happen to be two special cases: empty and Null. So a portion of the dictionary looks like: fielddef = { 'empty':some_func, 'null':some_func }

Re: gettext switch language on the fly

2011-07-28 Thread Chris Rebert
On Thu, Jul 28, 2011 at 6:20 PM, Peter Irbizon peterirbi...@gmail.com wrote: hello, I am using gettext fo localization snip Now I would like to switch all texts in my app when I click on item in menu. Unfortunatelly this not switch texts immediately. How can I do this? Which GUI toolkit are

Re: How do I access IDLE in Win7

2011-07-28 Thread W. eWatson
I've given this problem over to the Python Tutor mail-list. I can capture screens more easily than manipulate in cmd.exe. It may be a preference problem on who owns what. SYSTEM seems to be the owner, and not me. -- http://mail.python.org/mailman/listinfo/python-list

Re: Is it bad practise to write __all__ like that

2011-07-28 Thread Erik Max Francis
Thomas Rachel wrote: Why not? But you could even do class AllList(list): list which can be called in order to be used as a __all__-adding decorator def __call__(self, obj): for decorators self.append(obj.__name__) return obj __all__ = AllList() @__all__ def

[issue11564] pickle not 64-bit ready

2011-07-28 Thread Jorgen Skancke
Jorgen Skancke jor...@nt.ntnu.no added the comment: I recently ran into this problem when I tried to multiprocess jobs with large objects (3-4 GB). I have plenty of memory for this, but multiprocessing hangs without error, presumably because pickle hangs without error when multiprocessing

[issue12636] IDLE ignores -*- coding -*- with -r option

2011-07-28 Thread ledave123
ledave123 ledave...@yahoo.fr added the comment: The problem can be fixed with tokenize : I'm sorry I never submitted a path and I have no access to the source tree from here, if someone cares to do it, do not hesitate. def execfile(self, filename, source=None): Execute an existing

[issue6721] Locks in python standard library should be sanitized on fork

2011-07-28 Thread Nir Aides
Nir Aides n...@winpdb.org added the comment: Hi Gregory, Gregory P. Smith g...@krypto.org added the comment: No Python thread is ever fork safe because the Python interpreter itself can never be made fork safe. Nor should anyone try to make the interpreter itself safe. It is too complex

[issue12636] IDLE ignores -*- coding -*- with -r option

2011-07-28 Thread STINNER Victor
STINNER Victor victor.stin...@haypocalc.com added the comment: Yes, tokenize.open() should fix this issue, but you should close the file after using it. Use for example with tokenize.open(): Can you write a patch? You can download the source code using Mercurial or download it manually

[issue12648] Wrong import module search order on Windows

2011-07-28 Thread kota
New submission from kota nospam.kotarou.d...@gmail.com: There seems to be a wrong import module search order (http://docs.python.org/tutorial/modules.html#the-module-search-path) on Windows. Python seems to be loading the built-in module instead of the python code with the same name as the

[issue3605] Py_FatalError causes infinite loop

2011-07-28 Thread Neil Aspinall
Neil Aspinall m...@neilaspinall.co.uk added the comment: Would it be possible for this issue's fix (PyErr_Occurred() returning null when the thread state is null) to be applied to the 2.7 branch? -- nosy: +naspinal ___ Python tracker

[issue3605] Py_FatalError causes infinite loop

2011-07-28 Thread Ralf Schmitt
Changes by Ralf Schmitt python-b...@systemexit.de: -- nosy: +schmir ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3605 ___ ___ Python-bugs-list

[issue12649] email.Header corupts international email header and ignores maxlinelen in some cases

2011-07-28 Thread dandre
New submission from dandre andr...@gmx.net: Hello there, first of all, thank you all for Python. I didn't know it was so great; otherwise I'd have checked it out before. Using 2.7.2 MSC v.1500 32 Intel bit for now. Playing with email.header, I came across an odd behaviour. Attached please

[issue670664] HTMLParser.py - more robust SCRIPT tag parsing

2011-07-28 Thread Éric Araujo
Éric Araujo mer...@netwok.org added the comment: HTML5 being a spec that builds on HTML 4.01 and real-world ways to deal with non-compliant input, I don’t object to fixes that follow the HTML5 spec. Regarding backward compatibility, we can break it if we decide that the behavior we’re

[issue10639] reindent.py should not convert newlines

2011-07-28 Thread Éric Araujo
Changes by Éric Araujo mer...@netwok.org: -- stage: commit review - committed/rejected ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue10639 ___ ___

[issue9968] Let cgi.FieldStorage have named uploaded file

2011-07-28 Thread Éric Araujo
Éric Araujo mer...@netwok.org added the comment: where does the 1ko barrier come from? Was it only chosen out of performance considerations [...] Most certainly. I’ll look at the history of the file later to try to find the developer who decided that. Guido van Rossum made the changes.

[issue12649] email.Header ignores maxlinelen when wrapping encoded words

2011-07-28 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: You are using Header incorrectly. It should look more like this: th = _e_header.Header(maxlinelen=200, header_name='To') th.append(tfc[:-1]) th.append(wtc[:-1], charset='utf-8') th.append(tem) This results in: To:

[issue10968] threading.Timer should be a class so that it can be derived

2011-07-28 Thread Éric Araujo
Éric Araujo mer...@netwok.org added the comment: I’ve committed the cleanup to my 3.3 clone and will push this week. Here’s a doc patch. Before my patch, the various classes were documented in two parts: one entry with the factory function (e.g. Thread), without index reference, and one

[issue12649] email.Header ignores maxlinelen when wrapping encoded words

2011-07-28 Thread R. David Murray
Changes by R. David Murray rdmur...@bitdance.com: -- assignee: - r.david.murray ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12649 ___ ___

[issue12650] Subprocess leaks fd upon kill()

2011-07-28 Thread gabriele.trombetti
New submission from gabriele.trombetti g.trombe...@plasmacore.com: There seems to be a file descriptor (fd) leak in subprocess upon call to kill() and then destroying the current subprocess object (e.g. by scope exit) if the pipe functionality is being used. This is a reproducer: (Linux

[issue12641] Remove -mno-cygwin from distutils

2011-07-28 Thread Éric Araujo
Éric Araujo mer...@netwok.org added the comment: May I ask for a reconsideration to commit a fix for this for Python 2.7 at least? With the version check it doesn't hurt anyone There’s a misunderstanding: I explained why 2.5, 2.6 and 3.1 can’t be fixed, but if you look at the versions at the

[issue12650] Subprocess leaks fd upon kill()

2011-07-28 Thread R. David Murray
Changes by R. David Murray rdmur...@bitdance.com: -- nosy: +gregory.p.smith ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12650 ___ ___

[issue670664] HTMLParser.py - more robust SCRIPT tag parsing

2011-07-28 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: Unless someone else has picked it up, BeautifulSoup is a no longer an issue since its author has abandoned it. That doesn't change the fact that IMO it would be nice for our library to handle input generously. --

[issue12649] email.Header ignores maxlinelen when wrapping encoded words

2011-07-28 Thread dandre
dandre andr...@gmx.net added the comment: Thank you for pointing out my wrong usage of Header. Does this mean I should call Header.append() for each token, with tokens being separated by WS, or probably rather COMMASPACE in the case of To:? Or does it mean I should call Header.append() for

[issue10968] threading.Timer should be a class so that it can be derived

2011-07-28 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: You ought to be able to use either a context directive (I forget its name and syntax), or the full reference syntax (:meth:`~threading.Thread.run`) to make those links work without moving things around. --

[issue10968] threading.Timer should be a class so that it can be derived

2011-07-28 Thread Éric Araujo
Éric Araujo mer...@netwok.org added the comment: You ought to be able to use either a context directive (I forget its name and syntax), Hm, do you mean something similar to currentmodule? or the full reference syntax (:meth:`~threading.Thread.run`) to make those links work without moving

[issue12641] Remove -mno-cygwin from distutils

2011-07-28 Thread Jon
Jon jon.for...@gmail.com added the comment: and, does it matter whether you're building on win for win, or cross compiling for win from nix? I’m afraid I don’t know enough about Windows and MinGW to answer that. If we can’t be sure about versions and consequences here, I’ll go to the MinGW

[issue12649] email.Header ignores maxlinelen when wrapping encoded words

2011-07-28 Thread R. David Murray
R. David Murray rdmur...@bitdance.com added the comment: They probably ought to be discussed in our docs :( The only thing that may be encoded in an address is the display name (the first part returned by parseaddr). (Actually the domain name could be IDNA encoded, but we don't support that

[issue12649] email.Header ignores maxlinelen when wrapping encoded words

2011-07-28 Thread dandre
dandre andr...@gmx.net added the comment: Thanks again for the clarification. I may not look like it ;), but my fanciness has to go even further. So, for the sake of completeness, it appears that the world is now up to UTF-8 local parts of email addresses, and punycode for the domain?

[issue11439] subversion keyword breakage

2011-07-28 Thread Roundup Robot
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset f15442543e24 by Senthil Kumaran in branch '2.7': Fix closes Issue11439 - Handle the SVN Keywords in 2.7 by replacing them with a high number so that code relying on them does not break.

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