Re: Numeric, vectorization

2006-05-01 Thread David Isaac
"RonnyM" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > e.g. y = [ 1, 2, 3, 4, 5, 6 ,7 ,8, 9 ] > ybar = [ 1, (1 + 3)*.5,(2 + 4)*.5,(3 + 5)*.5,..., (n-1 + n+1)*.5 ], n = > 1,...len(y) -1 > How do I make a vectorized version of this, I will prefer not to > utilize Map or similar funct

Re: list*list

2006-05-01 Thread David Isaac
"Diez B. Roggisch" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > it's considered bad style to use range if all you want is a > enumeration of indices, as it will actually create a list of the size you > specified. Use xrange in such cases. I'm pretty sure this distinction goes away

Re: simultaneous assignment

2006-05-02 Thread David Isaac
"John Salerno" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Is there a way to assign multiple variables to the same value, but so > that an identity test still evaluates to False? Make sure the value is not a singleton. Assign them one at a time. >>> w=1000 >>> x=1000 >>> w==x Tr

Re: Tabs are *MISUNDERSTOOD*, end of discussion. (Re: Tabs versus Spaces in Source Code)

2006-05-17 Thread David Isaac
> Andy Sy wrote: > >Don't be evil - always configure your editor to > >convert tabs to true spaces. "achates" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Yet another space-indenter demonstrates that problem actually lies with > people who think that tab == some spaces. Exactl

__slots__

2006-03-22 Thread David Isaac
1. "Without a __dict__ variable, instances cannot be assigned new variables not listed in the __slots__ definition." So this seemed an interesting restriction to impose in some instances, but I've noticed that this behavior is being called by some a side effect the reliance on which is considered

Re: __slots__

2006-03-23 Thread David Isaac
"Ziga Seilnacht" <[EMAIL PROTECTED]> wrote: > If you want to restrict attribute asignment, you should use the > __setattr__ special method, see: > http://docs.python.org/ref/attribute-access.html That "should" is what I am asking about. If I understand, in the simplest case, you want me to say so

Re: __slots__

2006-03-25 Thread David Isaac
"Aahz" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Because __slots__ breaks with inheritance. I believe that was the point of Ziga's example, which I acknowledged as a good one in my reply. So there still appears to be this single reason, which applies if your class may be subcla

Re: Comparisons and singletons

2006-03-25 Thread David Isaac
"Ziga Seilnacht" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > >>> a = 1 > >>> b = 1 > >>> a == b > True > >>> a is b > False Two follow up questions: 1. I wondered about your example, and noticed >>> a = 10 >>> b = 10 >>> a is b True Why the difference? 2. If I really w

Re: Comparisons and singletons

2006-03-26 Thread David Isaac
Alan asked: > > 2. If I really want a value True will I ever go astray with the test: > > if a is True: > > >>> a = True > > >>> b = 1. > > >>> c = 1 > > >>> a is True, b is True, c is True > > (True, False, False) "Ziga Seilnacht" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I th

access mbx files?

2006-03-26 Thread David Isaac
Should I be able to access mail messages in Mahogany mail's mbx format using the Python mailbox module? If so, can someone please post a working example? If not, can you please point me to documentation of the file format or better yet Python code to parse it? Thanks, Alan Isaac -- http://

Re: access mbx files?

2006-03-26 Thread David Isaac
"Alan Isaac" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Should I be able to access mail messages in Mahogany mail's mbx > format using the Python mailbox module? If so, can someone > please post a working example? If not, can you please > point me to documentation of the file for

Re: access mbx files?

2006-03-27 Thread David Isaac
Donn Cave, [EMAIL PROTECTED] > I suppose it isn't supported by the mailbox module basically because > it isn't all that commonly encountered. It may be more common on mail > servers, but there it's email net protocol data, POP or IMAP. If > Mahogany has been using this format for `local' folders

Re: HELP PLEASE: What is wrong with this?

2006-04-14 Thread David Isaac
"Ralph H. Stoos Jr." <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > HELP PLEASE: What is wrong with this?File "autotp.py", line 21 > ready = raw_input("Ready to proceed ? TYPE (y)es or (n)o: ") > ^ Probably the parenthesis you forgot to close on the preceding line ... C

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