>From: tutor-request <at> python.org >Reply-To: tutor <at> python.org >To: tutor <at> python.org >Subject: Tutor digest, Vol 1 #1807 - 10 msgs >Date: Thu, 01 Aug 2002 12:00:05 -0400 > >Send Tutor mailing list submissions to > tutor <at> python.org > >To subscribe or unsubscribe via the World Wide Web, visit > http://mail.python.org/mailman/listinfo/tutor >or, via email, send a message with subject or body 'help' to > tutor-request <at> python.org > >You can reach the person managing the list at > tutor-admin <at> python.org > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of Tutor digest..." > > >Today's Topics: > > 1. Re: listdir, ispath and unicode (followup question) (Danny Yoo) > 2. Re: Use? Abuse? Amusement? Amendments? (Kalle Svensson) > 3. Problem - how to solve it ? (A) > 4. Re: Problem - how to solve it ? (Matthew Sherborne) > 5. Re: Use? Abuse? Amusement? Amendments? (Gregor Lingl) > 6. SCP / SFTP (Aris Santillan) > 7. Re: Tkinter Editor (Dan Shafer) > 8. Skipping elements from inside generator loops (Scot W. Stevenson) > 9. Re: Skipping elements from inside generator loops (ibraheem umaru-mohammed) > 10. Meeester bell. (Doug.Shawhan <at> gecits.ge.com) > >--__--__-- > >Message: 1 >Date: Wed, 31 Jul 2002 15:04:44 -0700 (PDT) >From: Danny Yoo >To: Poor Yorick >cc: tutor <at> python.org >Subject: Re: [Tutor] listdir, ispath and unicode (followup question) > > > >On Wed, 31 Jul 2002, Poor Yorick wrote: > > > I am running Windows 2000 English edition. The filename contains > > cyrillic characters typed with a standard Windows 2000 IME when I > > created the file. Here is the result of your suggestion: > > > > filename = os.path.join(os.getcwd(), os.listdir(os.getcwd())[0]) > > > > >>> filename > > 'd:\\tmp2\\???????' > > >>> os.stat(filename) > > Traceback (most recent call last): > > File "", line 1, in ? > > os.stat(filename) > > OSError: [Errno 2] No such file or directory: 'd:\\tmp2\\???????' > > >Hmmm... now I'm suspecting that the cyrillic characters might be making a >difference. I did a scan through the Python Enhancement Proposal 277: > > http://www.python.org/peps/pep-0277.html > >which implies that Unicode filenames might not work out-of-the-box. If >your locale at that point where you're running the Python script isn't >Cyrillic, that can potentially cause problems. > > >The PEP above provides an implementation that's supposed to handle Unicode >filenames properly, without the intermediate LOCALE translation stuff; can >you see if this works for you? Sorry about the roundabout way of >answering your question. > > > >--__--__-- > >Message: 2 >Date: Thu, 1 Aug 2002 00:26:41 +0200 >From: Kalle Svensson >To: tutor <at> python.org >Subject: Re: [Tutor] Use? Abuse? Amusement? Amendments? > >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > >[Sean 'Shaleh' Perry] > > where does one get turtle? > >It seems to be a part of the standard library. >http://www.python.org/doc/current/lib/module-turtle.html > >Peace, > Kalle >- -- >Kalle Svensson, http://www.juckapan.org/~kalle/ >Student, root and saint in the Church of Emacs. >-----BEGIN PGP SIGNATURE----- >Version: GnuPG v1.0.7 (GNU/Linux) >Comment: Processed by Mailcrypt 3.5.6 > >iD8DBQE9SGQadNeA1787sd0RAngkAKCdbxhdNJd6J4zawWLAYVhbh9vWDwCgtIA4 >acTGCIaZTaeik061IPDr6BM= >=GtY4 >-----END PGP SIGNATURE----- > > >--__--__-- > >Message: 3 >From: "A" >To: python-list <at> python.org, tutor <at> python.org, > activepython <at> listserv.activestate.com, python-help <at> python.org >Reply-to: printers <at> sendme.cz >Date: Wed, 31 Jul 2002 20:54:41 +0200 >Subject: [Tutor] Problem - how to solve it ? > >Hi, >I have a program that I compiled( with Installer) into exe for using >on Win32 systems. It works well on Windows Me, Windows 9x but >on some computers with Windows 2000 it causes General >Protection Error and the programs is finished. It would be nice if the >program wrote a line number or something similar that could help a >user find out which command caused that General Protection >Error. Is there any solution for that? >Thank you for help >Ladislav > > >_______________________________________________ >ActivePython mailing list >ActivePython <at> listserv.ActiveState.com >To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs >Other options: http://listserv.ActiveState.com/mailman/listinfo/ActivePython > > > >--__--__-- > >Message: 4 >Date: Thu, 01 Aug 2002 10:08:16 +1200 >From: Matthew Sherborne >To: printers <at> sendme.cz >Cc: python-list <at> python.org, tutor <at> python.org, > activepython <at> listserv.activestate.com, python-help <at> python.org >Subject: [Tutor] Re: Problem - how to solve it ? > >GPFs are fired when some C code crashes not python code. In the error it >should give the name of a DLL or say python.exe. > >To find what part of your code is causing the error, do print messages, >or write to a log file in the area around where the program crashes. > >Start in the highest level of the code, print a line before and after >each sub routine is called, where the print outs stop, go to the sub >routine after the last print out and put a bunch of print lines between >all the sections in that and re-run. Keep narrowing it down like this. :) > >It may a bug in some windows DLL, so you could either fix it, or release >a "Known Issues.txt" file with the program, letting them know that they >must update their windows release if this happens. :) > >GBU >Matthew Sherborne > >A wrote: > > >Hi, > >I have a program that I compiled( with Installer) into exe for using > >on Win32 systems. It works well on Windows Me, Windows 9x but > >on some computers with Windows 2000 it causes General > >Protection Error and the programs is finished. It would be nice if the > >program wrote a line number or something similar that could help a > >user find out which command caused that General Protection > >Error. Is there any solution for that? > >Thank you for help > >Ladislav > > > > > >_______________________________________________ > >ActivePython mailing list > >ActivePython <at> listserv.ActiveState.com > >To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs > >Other options: http://listserv.ActiveState.com/mailman/listinfo/ActivePython > > > > > > > > > > > > > > > > >--__--__-- > >Message: 5 >Date: Thu, 01 Aug 2002 06:40:01 +0200 >From: Gregor Lingl >To: Chris Kassopulo , tutor <at> python.org >Subject: Re: [Tutor] Use? Abuse? Amusement? Amendments? > > >Chris Kassopulo schrieb: > > >Running Python 2.0.1 > > > >$ python /home/ckasso/python/turtles.py > > File "/home/ckasso/python/turtles.py", line 7 > > yield 1 > > ^ > >SyntaxError: invalid syntax > > > > > > >Of course, I forgot to mention: trees.py needs Python 2.2 or higher > >This is because it's intention was (among others) to have some visual >representation of how generators work - an those were introduced >in Python only with V2.2 > >Gregor > > > > > >--__--__-- > >Message: 6 >From: "Aris Santillan" >To: >Date: Thu, 1 Aug 2002 13:38:05 +0800 >Subject: [Tutor] SCP / SFTP > >Hello guys! > >im a newbie > >does anyone had a script for wrapping a SCP / SFTP command >in python, coz i want to embed it on a DTML? > >Aris Santillan > > >--__--__-- > >Message: 7 >Date: Wed, 31 Jul 2002 22:49:06 -0700 >From: Dan Shafer >Subject: Re: [Tutor] Tkinter Editor >To: tutor <at> python.org > >Check out PythonCard (http://www.pythoncard.org), a GUI-creation tool being >patterned after the mold of HyperCard and Visual Basic and built on top of >wxWindows. While the current release (0.6.8.1) is not commercial software >and you need to understand Python coding a bit to get the most out of it, >it's quite usable as it is. It comes with a ton of great samples (caveat..I >wrote some of them!) and good (though incomplete) docs (another caveat...I >wrote most of them). > >It has its own mailing list, too. > >Dan Shafer, Chief Scribe and Tablet Keeper >PythonCard Open Source Project >http://pythoncard.sourceforge.net > > > >--__--__-- > >Message: 8 >From: "Scot W. Stevenson" >Organization: Hexenhaus Zepernick >To: Tutor >Date: Thu, 1 Aug 2002 11:15:15 +0200 >Subject: [Tutor] Skipping elements from inside generator loops > >Hello there, > >So here I am playing around with generators, and just for the heck of it I >see if I can get a for-loop to skip one element from inside the loop. To >my surprise, this works (in Python 2.2): > >================================================== >from __future__ import generators > >procession= ['black cat', > 'white cat', > 'grey cat', > 'ALARM!', > 'the evil dog', > 'fat cat', > 'slow cat'] > >def animal_walk(animal_list): > for one_animal in animal_list: > yield one_animal > >cat_parade = animal_walk(procession) > >for animal in cat_parade: > if animal == 'ALARM!': > # Skip one animal on list > cat_parade.next() > else: > print animal >============================================= > >This produces: > >=================== >black cat >white cat >grey cat >fat cat >slow cat >=================== > >Somehow, it doesn't seem right to be able to change what amounts to a loop >counter from the inside, even though it is useful here. Fooling around >some more, I find that you can not do this with "normal" for loops: > >=============================== >for a in range(len(procession)): > if procession[a] == 'ALARM!': > a = a+1 > else: > print procession[a] >=============================== > >lets fido into the fun (in other words, ignores the 'a=a+1'. It only works >with a while-loop and a counter: > >=============================== >counter = 0 >while counter < len(procession): > if procession[counter] == 'ALARM!': > counter = counter+2 > else: > print procession[counter] > counter = counter+1 >=============================== > >Now I'm curious: Is this ability to manipulate generator loops from the >inside considered a bug or a feature? It certainly makes the "normal" for >loop behave differently than the generator for loop, and that alone seems >like a good way to shoot yourself in the foot... > >[While we're at it: I assume that there is a way to solve the problem with >list comprehensions, but I can't figure it out. Note that looking for the >dog directly is considered cheating: All you get to do is skip one list >entry when somebody sounds the alarm.] > >Thanks again for the help, >Y, Scot > >Who is off to feed his own cat > >-- > Scot W. Stevenson -- scot <at> possum.in-berlin.de -- Zepernick, Germany > > > >--__--__-- > >Message: 9 >Date: Thu, 1 Aug 2002 11:06:33 +0100 >From: ibraheem umaru-mohammed >To: tutor <at> python.org >Subject: Re: [Tutor] Skipping elements from inside generator loops > >[Scot W. Stevenson wrote...] >...>-| >-| Somehow, it doesn't seem right to be able to change what amounts to a loop >-| counter from the inside, even though it is useful here. Fooling around >-| some more, I find that you can not do this with "normal" for loops: >-| >-| =============================== >-| for a in range(len(procession)): >-| if procession[a] == 'ALARM!': >-| a = a+1 >-| else: >-| print procession[a] >-| =============================== >-| > >Hmmnn...This works for me: > > ibraheem <at> ignoramus:$ python2.2 > Python 2.2.1 (#1, Apr 25 2002, 14:21:58) > [GCC 2.96 20000731 (Red Hat Linux 7.1 2.96-98)] on linux2 > Type "help", "copyright", "credits" or "license" for more information. > rlcompleter2 0.9.6 activated > >>> procession=['black cat', > >>> ... 'white cat', > >>> ... 'grey cat', > >>> ... 'ALARM!', > >>> ... 'evil dog', > >>> ... 'fat cat', > >>> ... 'slow cat'] > >>> for a in range(len(procession)): > >>> ... if procession[a] == 'ALARM!': > >>> ... a = a + 1 > >>> ... else: > >>> ... print procession[a] > >>> ... > >>> black cat > >>> white cat > >>> grey cat > >>> evil dog > >>> fat cat > >>> slow cat > >>> > >But I guess most people would use a 'continue' instead: > > >>>for a in range(len(procession)): > >>>... if procession[a] == 'ALARM!': > >>>... continue > >>>... else: > >>>... print procession[a] > >>>... > >>>black cat > >>>white cat > >>>grey cat > >>>evil dog > >>>fat cat > >>>slow cat > >>> > >>>procession > >>>['black cat', 'white cat', 'grey cat', 'ALARM!', 'evil dog', 'fat cat', 'slow cat'] > >>> > >...> >Kindest regards, > > --ibs. >-- > ibraheem umaru-mohammed > www.micromuse.com > --0-- > > >-- > ibraheem umaru-mohammed > www.micromuse.com > --0-- > > >--__--__-- > >Message: 10 >From: Doug.Shawhan <at> gecits.ge.com >To: tutor <at> python.org >Date: Thu, 1 Aug 2002 10:40:57 -0400 >Subject: [Tutor] Meeester bell. > >I have been looking through the modules for a text-mode bell that will work >in windows (i.e. not in curses or Tkinter). > >I am postitive I have seen this beastie somewhere... Any clues? > >d > > > >--__--__-- > >_______________________________________________ >Tutor maillist - Tutor <at> python.org >http://mail.python.org/mailman/listinfo/tutor > > >End of Tutor Digest