Re: [Tutor] opening files (fwd)

2006-09-25 Thread Danny Yoo
-- Forwarded message -- Date: Mon, 25 Sep 2006 16:46:02 -0600 From: max . <[EMAIL PROTECTED]> To: Danny Yoo <[EMAIL PROTECTED]> Subject: Re: [Tutor] opening files ok srry i will give a bit more info i am working on a new mac mini :)) im still pretty new to python so allmost all

Re: [Tutor] opening files

2006-09-25 Thread Danny Yoo
> my_file = open('c:\\path\to\file\file.txt', 'r') > my_file.readlines() > my_file.close() > > Really, it's so simple it's hard to come up with directions. Hi John, In that case, we have to figure out why Max is getting stuck: it's not obvious at all at what step he's getting confused. Let's co

Re: [Tutor] opening files

2006-09-25 Thread Danny Yoo
On Mon, 25 Sep 2006, max . wrote: > hello i cant understand how to open text files with python > i have tried tutorials and evrything i just cant get pleas help Hi Max, Which tutorials are you trying? Have you looked at: http://www.freenetpages.co.uk/hp/alan.gauld/ There's a whole sect

Re: [Tutor] opening files

2006-09-25 Thread John Purser
On Mon, 2006-09-25 at 12:55 -0600, max . wrote: > hello i cant understand how to open text files with python > i have tried tutorials and evrything i just cant get pleas help > ___ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/lis

[Tutor] opening files

2006-09-25 Thread max .
hello i cant understand how to open text files with python i have tried tutorials and evrything i just cant get pleas help ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor

Re: [Tutor] Which psyco for Python 2.5?

2006-09-25 Thread Dick Moores
At 10:40 AM 9/25/2006, you wrote: >Dick Moores wrote: > > Damn. Thanks, Kent. I was hoping you'd pooh-pooh the advice. > >I don't really know anything about it other than what I read on the >psyco site, but they should know whether it works or not...there *was* a >change in the __index__ method for

Re: [Tutor] Which psyco for Python 2.5?

2006-09-25 Thread Kent Johnson
Dick Moores wrote: > Damn. Thanks, Kent. I was hoping you'd pooh-pooh the advice. I don't really know anything about it other than what I read on the psyco site, but they should know whether it works or not...there *was* a change in the __index__ method for 2.5rc1, it is listed here: http://www.

Re: [Tutor] Which psyco for Python 2.5?

2006-09-25 Thread Dick Moores
At 09:46 AM 9/25/2006, Kent Johnson wrote: >Dick Moores wrote: > > I installed Python 2.5 yesterday and now want to get psyco for it. At > > http://psyco.sourceforge.net/ there's an item dated 9/25 (today) that > > I'm wondering if the Tutors think is necessary to follow. It would be > > much easie

Re: [Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Dick Moores
At 09:04 AM 9/25/2006, Carroll, Barry wrote: >Hello, Dick. > >Let's compare your final startswith method and the endswith method in >is_image_file: > > >>> >s.startswith("er","q","ty") >filename.endswith(('.gif', '.jpg', '.tiff')) > >>> > >Notice that, while startswith has THREE parameters

Re: [Tutor] Which psyco for Python 2.5?

2006-09-25 Thread Kent Johnson
Dick Moores wrote: > I installed Python 2.5 yesterday and now want to get psyco for it. At > http://psyco.sourceforge.net/ there's an item dated 9/25 (today) that > I'm wondering if the Tutors think is necessary to follow. It would be > much easier for me to get Psyco 1.5.1 from > http://source

[Tutor] Which psyco for Python 2.5?

2006-09-25 Thread Dick Moores
I installed Python 2.5 yesterday and now want to get psyco for it. At http://psyco.sourceforge.net/ there's an item dated 9/25 (today) that I'm wondering if the Tutors think is necessary to follow. It would be much easier for me to get Psyco 1.5.1 from http://sourceforge.net/project/showfiles.p

Re: [Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Carroll, Barry
> -Original Message- > Date: Mon, 25 Sep 2006 02:59:45 -0700 > From: Dick Moores <[EMAIL PROTECTED]> > Subject: [Tutor] Question about startswith() and endswith() in 2.5 > To: tutor@python.org > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset="us-ascii"; format=flowed >

Re: [Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Dick Moores
Thanks, Kent and Andrei! I sure did miss those doubled parentheses. >>> s = "qwerty" >>> >>> s.startswith(("er","z","ty","qw","98768976","uytruytr")) True >>> s.startswith(("er","z","ty","qe","98768976","uytruytr")) False >>> s.startswith(("er","z","rty","qe","98768976","uytruytr"), 2) True

Re: [Tutor] Efficient programming questions. Tuples vs Li sts; Custom Objects vs Lists.

2006-09-25 Thread Andrei
Wesley Brooks gmail.com> writes: > Most of these are issues relating to a mix of speed of execution > for the code, and scripting best practice. Generally speaking, performance bottlenecks can be determined using the profile module. Things often turn out different than you might expect, so talk

Re: [Tutor] Efficient programming questions. Tuples vs Lists; Custom Objects vs Lists.

2006-09-25 Thread Kent Johnson
Wesley Brooks wrote: > Firstly tuples vs lists. I'm guessing that lists use more memory than > tuples as they provide more functions? Are they also more CPU intensive > to use? First the requisite caveats about optimization: 1. Don't optimize until you have a demonstrated performance problem. 2

Re: [Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Andrei
Dick Moores rcblue.com> writes: > endswith( suffix[, start[, end]]) > Return True if the string ends with the specified suffix, otherwise > return False. suffix can also be a tuple of suffixes to look for. > >>> s.startswith("er","q","ty") > > Traceback (most recent call last): >File "",

Re: [Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Kent Johnson
Dick Moores wrote: > >>> s.startswith("er","q","ty") > > Traceback (most recent call last): >File "", line 1, in > s.startswith("er","q","ty") > TypeError: slice indices must be integers or None or have an __index__ method > > On http://docs.python.org/whatsnew/other-lang.html I found

[Tutor] Question about startswith() and endswith() in 2.5

2006-09-25 Thread Dick Moores
http://www.python.org/doc/lib/string-methods.html has = startswith( prefix[, start[, end]]) Return True if string starts with the prefix, otherwise return False. prefix can also be a tuple of suffixes to look for. With optional start, test string beginn

[Tutor] Efficient programming questions. Tuples vs Lists; Custom Objects vs Lists.

2006-09-25 Thread Wesley Brooks
Dear Python-Tutor members,I'm currently in the middle of re-writing a program for my research. I've been using python for the past three years now, my first language since a brief exposure to qbasic ten years ago. There are a couple of things I'm not sure about which I'll need to clear up before I