Re: closure = decorator?

In article <5257c3dd$0$29984$c3e8da3$54964...@news.astraweb.com>, Steven D'Aprano wrote: > On Fri, 11 Oct 2013 10:14:29 +0300, Jussi Piitulainen wrote: > > > Roy Smith writes: > >> In article , > >> Piet van Oostrum wrote: > >> > >> > I usually say that a closure is a package, containing a fu

Re: Functional Programming and python

In article , rusi wrote: > Combining your two questions -- Recently: > What minimum should a person know before saying "I know Python" > > And earlier this > On Sunday, August 4, 2013 10:00:35 PM UTC+5:30, Aseem Bansal wrote: > > If there is an issue in place for improving the lambda forms then

Python toplevel in a Web page

Hello, I wonder if I can find some source code example of a Python 3 toplevel box in a Web page. Something simple, no mySQL, no Django hammer, etc. Just the basics of the technology to get the content of a small text editor in which the user writes some Python script, to be analyzed (eval'ed) then

Re: ANN: Python training "text movies"

In article , Mitya Sirenef wrote: > > - To use the software outside Python, we need to have proper indentation > > as real spaces. We should be able to distinguish Arial type for usual > > text and fixed font for code. > > > Not sure I understand about indentation.. You mean like wrapping >

Re: ANN: Python training "text movies"

Ok I can make my way with jstmovie. Some remarks and questions : - Use encoding='utf-8' inside open of method __init__ of class Tutorial in jstmovie.py. Otherwise foreign languages are stuck. - To use the software outside Python, we need to have proper indentation as real spaces. We should b

Re: ANN: Python training "text movies"

In article , Franck Ditter wrote: > In article , > Franck Ditter wrote: > > > In article , > > Mitya Sirenef wrote: > > > > > On 01/19/2013 04:32 AM, Franck Ditter wrote: > > > > In article , > > > > Mitya Sirenef wrote:

Re: ANN: Python training "text movies"

In article , Franck Ditter wrote: > In article , > Mitya Sirenef wrote: > > > On 01/19/2013 04:32 AM, Franck Ditter wrote: > > > In article , > > > Mitya Sirenef wrote: > > > > > >> On 01/14/2013 01:34 AM, Franck Ditter wrote:

Re: ANN: Python training "text movies"

In article , Mitya Sirenef wrote: > On 01/19/2013 04:32 AM, Franck Ditter wrote: > > In article , > > Mitya Sirenef wrote: > > > >> On 01/14/2013 01:34 AM, Franck Ditter wrote: > >>> In article , > >>>Jason Friedman wrote: > &

Re: ANN: Python training "text movies"

In article , Mitya Sirenef wrote: > On 01/14/2013 01:34 AM, Franck Ditter wrote: > > In article , > > Jason Friedman wrote: > > > >>> That is right; I would also add that it may be overwhelming for a newbie > >>> to be reading through a large &quo

Re: ANN: Python training "text movies"

In article , Jason Friedman wrote: > > That is right; I would also add that it may be overwhelming for a newbie > > to be reading through a large "wall of text" -- here you have blank > > space after the current paragraph so the attention is focused even more > > on the last few lines. > > > > A

Re: Problem with Unicode char in Python 3.3.0

In article , marduk wrote: > On Sun, Jan 6, 2013, at 11:43 AM, Franck Ditter wrote: > > Hi ! > > I work on MacOS-X Lion and IDLE/Python 3.3.0 > > I can't get the treble key (U1D11E) ! > > > > >>> "\U1D11E" > > SyntaxError: (

Problem with Unicode char in Python 3.3.0

Hi ! I work on MacOS-X Lion and IDLE/Python 3.3.0 I can't get the treble key (U1D11E) ! >>> "\U1D11E" SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 0-6: end of string in escape sequence How can I display musical keys ? Thanks, franck -- http://mail.pytho

getting the state of an object

Hi ! Another question. When writing a class, I have often to destructure the state of an object as in : def foo(self) : (a,b,c,d) = (self.a,self.b,self.c,self.d) ... big code with a,b,c,d ... So I use the following method : def state(self) : return (self.a,self.b,self.c,self.d) so

question on log as an instance method

Hi ! Here is Python 3.2.3, MacOSX-Lion Question : I may consider + as an hidden instance method , as 1+2 is equivalent to (1).__add__(2) ? I also consider __abs__ as an instance method : >>> (-2).__abs__() 2 Question 1 : could the parser cope with the mandatory space in 1 .__add__(2) ? Question

print or write on a text file ?

Hi ! Here is Python 3.3 Is it better in any way to use print(x,x,x,file='out') or out.write(x) ? Any reason to prefer any of them ? There should be a printlines, like readlines ? Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list

Re: Reading a file in IDLE 3 on Mac-Lion

In article <505ccdc5$0$6919$e4fe5...@news2.news.xs4all.nl>, Hans Mulder wrote: > On 21/09/12 16:29:55, Franck Ditter wrote: > > I create a text file utf-8 encoded in Python 3 with IDLE (Mac Lion). > > It runs fine and creates the disk file, visible with > > TextWra

Reading a file in IDLE 3 on Mac-Lion

Hello, I create a text file utf-8 encoded in Python 3 with IDLE (Mac Lion). It runs fine and creates the disk file, visible with TextWrangler or another. But I can't open it with IDLE (its name is greyed). IDLE is supposed to read utf-8 files, no ? This works on Windows-7. Thanks for the tip,

sum works in sequences (Python 3)

Hello, I wonder why sum does not work on the string sequence in Python 3 : >>> sum((8,5,9,3)) 25 >>> sum([5,8,3,9,2]) 27 >>> sum('rtarze') TypeError: unsupported operand type(s) for +: 'int' and 'str' I naively thought that sum('abc') would expand to 'a'+'b'+'c' And the error message is somewhat

Re: is implemented with id ?

aplan wrote: > On Tue, Sep 4, 2012 at 11:30 PM, Franck Ditter wrote: > > Hi ! > > a is b <==> id(a) == id(b) in builtin classes. > > Is that true ? > > Thanks, > > > > franck > > No. It is true that if a is b then id(a) == id(b) but the re

is implemented with id ?

Hi ! a is b <==> id(a) == id(b) in builtin classes. Is that true ? Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list

How to program test(expr) ?

Hi ! I use Python 3.2.3 + Idle. Is it possible to program test(e) which takes an expression e and whose execution produces at the toplevel an echo of e and the effects and result of its evaluation ? # file foo.py def foo(x) : print('x =',x) return x+1 test(foo(5)) # RUN ! # produces at the

when an iterable object is exhausted or not

Two similar iterable objects but with a different behavior : $$$ i = range(2,5) $$$ for x in i : print(x,end=' ') 2 3 4 $$$ for x in i : print(x,end=' ')# i is not exhausted 2 3 4 - Compare with : $$$ i = filter(lambda c : c.isdigit(), 'a1b2c3') $$$ for x in i : print(x,en

Re: lambda in list comprehension acting funny

In article , Daniel Fetchinson wrote: > > funcs = [ lambda x: x**i for i in range( 5 ) ] > > print funcs[0]( 2 ) > > print funcs[1]( 2 ) > > print funcs[2]( 2 ) > > > > This gives me > > > > 16 > > 16 > > 16 > > > > When I was excepting > > > > 1 > > 2 > > 4 > > > > Does anyone know why? In Pyt

How to launch idle -n on windows ?

I have some problems with Python 3.2 on Windows. I want to use the turtle package, works fine, but I can't close the turtle windows. On MacOS-X, I launch idle -n and it's fine. How can I do that on Windows ? Thanks, fd -- http://mail.python.org/mailman/listinfo/python-list

Installing pygame on MacOS-X Lion with Python 3.3

I can't get it working : "No pygame module"... Tried without success : pygame-1.9.2pre-py2.7-macosx10.7.mpkg.zip pygame-1.9.1release-python.org-32bit-py2.7-macosx10.3.dmg I am using Python 3 last version on MacOS-X Lion. Where is a step-by-step installation procedure ? Thanks, franck --

Re: Question on Python 3 shell restarting

In article <19745339.1683.1333981625966.JavaMail.geo-discussion-forums@yncc41>, Miki Tebeka wrote: > > How may I get a fresh Python shell with Idle 3.2 ? > Open the configuration panel (Options -> Configure IDLE). > Look in the "Keys" tab for the shortcut to "restart-shell" Fine, thanks, but

Question on Python 3 shell restarting

How may I get a fresh Python shell with Idle 3.2 ? I have to run the same modules several times with all variables cleared. Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list

Re: Buffering in Wing and IDLE 3

In article , Ned Deily wrote: > http://www.activestate.com/activetcl/downloads GREAT ! It seems to work. At least, I can now get the ~ char in France from within IDLE. A big step for manking :-) Thanks folks, franck -- http://mail.python.org/mailman/listinfo/python-list

Complexity question on Python 3 lists

What is the cost of calling primes(n) below ? I'm mainly interested in knowing if the call to append is O(1), even amortized. Do lists in Python 3 behave like ArrayList in Java (if the capacity is full, then the array grows by more than 1 element) ? def sdiv(n) : # n >= 2 """returns the sm

Stopping a looping computation in IDLE 3.2.x

How do you stop a looping computation with IDLE 3.2.x on MacOS-X Lion ? It hangs with the colored wheel... Ctl-C does not work. Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list

Buffering in Wing and IDLE 3

Hi, I'm using Python 3.2.x with beginners. If I try the following in IDLE 3, it works as expected : from time import sleep import sys for i in range(4) : sys.stdout.write(str(i)) sys.stdout.flush() sleep(1) but with Wing-101, it write 0123 after the total sleep time. Why ??? I would

Re: Can't get tilde character with IDLE 3.2.2 on French Mac Lion

wrote: > In article , > Franck Ditter wrote: > > All is in the subject. I'm starting to use Python with Idle 3.2.2 > > on MacOS-X Lion (French). I can't get "Option-N space" to provide > > the ~ char. > > I tried to go into the Keys preferences b

Can't get tilde character with IDLE 3.2.2 on French Mac Lion

Hi ! All is in the subject. I'm starting to use Python with Idle 3.2.2 on MacOS-X Lion (French). I can't get "Option-N space" to provide the ~ char. I tried to go into the Keys preferences but I can't find "Option-N space" to modify its meaning. Its actual behavior is to merge lines of a paragrap

Re: PyPad 2.7.1 Update 4 (Python on iPad and iPhone)

Any Python 3 planned ? franck In article , AlienBaby wrote: > On Jun 23, 2:07 pm, Jon Dowdall > wrote: > > Hi All, > > > > I'm pleased to announce that PyPad (Python environment for iOS) 2.7.1 > > Update 4 is now available in the iTunes App Store. New in this version > > is the ability t

Python and Lisp : car and cdr

Hi, I'm just wondering about the complexity of some Python operations to mimic Lisp car and cdr in Python... def length(L) : if not L : return 0 return 1 + length(L[1:]) Should I think of the slice L[1:] as (cdr L) ? I mean, is the slice a copy of a segment of L, or do I actually get a point

Python in CS1

Except at MIT, who knows some good CS1 references for teaching Python ? Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list

Noob question on 2 vs 3 Python releases

Pardon my noobness (?) but why is there a 2.x and 3.x development teams working concurrently in Python ? I hardly saw that in other languages. Which one should I choose to start with, to cope with the future ? Isn't 3.x supposed to extend 2.y ? This situation is very strange... Thanks for your expl

Re: [RELEASE] Python 2.7 release candidate 1 released

Just an advice as I see that "old" Python is maintained. When starting with Python (simple programs and GUIs) should I start with Python 3.x ? If it has a decent implementation on Mac/Linux/Windows of course... Thanks, franck -- http://mail.python.org/mailman/listinfo/python-list