Mailman 3 February 1997 - Pythonmac-SIG

Re: [PYTHONMAC-SIG] regarding sys.path (was: Anyone using $(APPLICATION) in sys.path preferences?)
by Jack Jansen April 18, 1997

April 18, 1997

Recently, "jeffrey P. Shell" <jeff(a)cynapses.com> said: > [on losing parts of sys.path set through EditPythonPrefs] > > i can append stuff to sys.path from a script or from the interpreter, > but after a certain point i can't add any more inside EditPythonPrefs Found it! It turns out that SetDialogItemText() cannot handle more than 255 chars, which is to be expected but which I forgot. The workaround, for now: if you need more than 255 chars in your sys.path initializer use ResEdit to edit "Python 1.4 Preferences" by hand, and modify the STR# resource. For the future I will implement a different EditPythonPrefs. Some time ago Just sent me a first stab at a much nicer EditPythonPrefs, and I also want to make the functionality available to python programs anyway so this is probably the moment to do the rewrite. -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)cwi.nl | ++++ if you agree copy these lines to your sig ++++ http://www.cwi.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm ================= PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org =================

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serial communications
by Jesse Bregman Feb. 28, 1997

Feb. 28, 1997

I know this must be possible, but I haven't found information anywhere about how to do serial communications using Python. I am used to Basic's method of treating the serial port as a file, then just reading or writing to it as if it were any other file. Does anyone know of a similarly easy way to do this with Python? Thanks in advance. -Jesse Bregman jbregman(a)mail.arc.nasa.gov _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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Re: [PYTHONMAC-SIG] netCDF module for the Mac?
by Jack Jansen Feb. 23, 1997

Feb. 23, 1997

> I would like to develop some code which reads netCDF files. > [...] > I have played around a little with CodeWarrior but have not done any > really serious development with it. Most of the info you need for building extension modules is in Mac:Demo:plugins.html in the 1.4 distribution. Some of the info is out-of-date (i.e. it's much better to get the Mac source distribution than twiddle with the machine-independent source distribution). -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)cwi.nl | ++++ if you agree copy these lines to your sig ++++ http://www.cwi.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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netCDF module for the Mac?
by James Boyle Feb. 20, 1997

Feb. 20, 1997

I would like to develop some code which reads netCDF files. I have used the netCDF modules developed by Konrad Hinsen, Bill Noon and Kyle Schaum on my Unix box but I have not added a module to the Mac side of Python. I see that the Numpy stuff is implemented using shared libraries and I guess I should take an analogous path for the netCDF stuff. But I need a little direction on where to find the path. I have played around a little with CodeWarrior but have not done any really serious development with it. Thanks for any help. Jim _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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Re: [PYTHONMAC-SIG] MacPython IDE?
by just＠knoware.nl Feb. 20, 1997

Feb. 20, 1997

Hi, At 12:39 PM 2/20/97, Mark Guzdial wrote: >I was looking through my archive of PythonMac-SIG email, and came across this: >15 Sep 1996, Just van Rossum -- > > Well, I have an attempt at such a thing going, but it's not *near* > beta. Integrated editor (supports collapsing!) and run > command is there, Jack's working on a graphical debugger, so > somehow I believe there'll be something very nice at some > point. I don't know yet how to do syntax highlighting > efficiently. > >Could Just or Jack post a report on current status? Sounds exciting and >was curious to hear if this was something that we might play with yet. Update: I have a new attempt at such a thing going, but it's not ready yet... Integrated editor (does not support collapsing :-(, but works ;-) and run command is there as well. Jack has a graphical debugger (TWIT), so somehow I believe there'll be something very nice at some point. Syntax highlighting should somehow be possible (I'm using waste). There is a nice (doubleclickable) traceback window. I'll try and put something together soon-ish. >(Actually, what I was looking for in the archive is the BBEdit extension to >run Python scripts. I found Just's message, but can't find the archive. >Is it posted somewhere? Thanks!) It's included in the 1.4 distribution: $(PYTHON):Mac:Tools:BBPy: Just _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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MacPython IDE?
by guzdial＠cc.gatech.edu Feb. 20, 1997

Feb. 20, 1997

I was looking through my archive of PythonMac-SIG email, and came across this: 15 Sep 1996, Just van Rossum -- Well, I have an attempt at such a thing going, but it's not *near* beta. Integrated editor (supports collapsing!) and run command is there, Jack's working on a graphical debugger, so somehow I believe there'll be something very nice at some point. I don't know yet how to do syntax highlighting efficiently. Could Just or Jack post a report on current status? Sounds exciting and was curious to hear if this was something that we might play with yet. (Actually, what I was looking for in the archive is the BBEdit extension to run Python scripts. I found Just's message, but can't find the archive. Is it posted somewhere? Thanks!) Mark -------------------------- Mark Guzdial : Georgia Tech : College of Computing : Atlanta, GA 30332-0280 (404) 894-5618 : Fax (404) 894-0673 : guzdial(a)cc.gatech.edu http://www.cc.gatech.edu/gvu/people/Faculty/Mark.Guzdial.html _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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U vraagt, wij draaien: calling C routines from Python
by Jack Jansen Feb. 17, 1997

Feb. 17, 1997

Folks, as there seemed to be quite a lot of interest in a way to call random toolbox routines and I had a bit of spare time anyway I went and implemented a first try. The calldll module allows you to give a sort-of prototype for a C routine, and then lets you call it from Python dynamically. It is currently PowerPC only, I would definitely like it if any of the cfm68k users looked at porting it to that platform. The distribution contains the dynamically loadable module for Python 1.4, and also the source, the project file and (minimal) test and example code. (as an aside: if you want to do the cfm68k port: the relevant info on 68K C calling sequences is best described in IM: PowerPC software, of all places:-) Download the code via http://www.cwi.nl/~jack/macpython.html or ftp://ftp.cwi.nl/pub/jack/python/mac, as usual. Don't use the module in production yet (hehe:-), but please give it a test run and tell me which features are missing, and whether there's anything I should change in the interface (the parameter specification comes to mind). Guido: I expect that with this module you'll have Grail supporting Netscape plugins by the end of the week, is that reasonable? :-) I am now off to try and cure the terrible headache those 20-odd lines in cdc_call() have caused, -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)cwi.nl | ++++ if you agree copy these lines to your sig ++++ http://www.cwi.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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Controlling Netscape from Python -- portably?
by guzdial＠cc.gatech.edu Feb. 13, 1997

Feb. 13, 1997

I'd like to be able to tell Netscape what URL to look at, from Python. I'm asking here because I have at least a clue how to do that on a Mac: Netscape understands a bunch of AppleEvents and I could tell it to do a getURL command. I'm not EXACTLY sure how to do it from Mac Python, but I'm hoping that somebody here does. But more generally, I think that there are ways of doing this on UNIX and Windows boxes. Does anyone know of a *portable* Python module that would let me control Netscape via whatever inter-application communication mechanisms exist on each platform? Thanks! Mark -------------------------- Mark Guzdial : Georgia Tech : College of Computing : Atlanta, GA 30332-0280 (404) 894-5618 : Fax (404) 894-0673 : guzdial(a)cc.gatech.edu http://www.cc.gatech.edu/gvu/people/Faculty/Mark.Guzdial.html _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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Re: [PYTHONMAC-SIG] Calling any toolbox routine from Python
by Jack Jansen Feb. 12, 1997

Feb. 12, 1997

> Doesn't Visual Basic have a similar escape into the C world? I > believe I've seen include files that declared a bunch of entry points > with their address and the type of the arguments. It seemed obvious > that by specifying the wrong address or type you could blow up the > system but of course the include files that are part of the > distribution can be trusted in the same sense that you can trust > Python extension modules. Yes, that's the other option but it is a bit more work. The "luxury" version I was thinking of would have something like FooBar = dllcaller('FooBar', formatstring) where formatstring would somehow describe the arguments and return values. dllcaller would then return a callable object with the correct calling sequence, and it would perform argument checking. -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)cwi.nl | ++++ if you agree copy these lines to your sig ++++ http://www.cwi.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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Calling any toolbox routine from Python
by Jack Jansen Feb. 12, 1997

Feb. 12, 1997

Folks, there is a way to make it possible to call *any* toolbox routine from Python, at least on PPC and CFM68K. Since the toolboxes are completely in shared libraries on those architectures it should be doable to create an interface that allows python programmers access to them. The interface, however, would be *very* error-prone (no typechecking whatsoever) and probably rather convoluted (for instance, I think that the only reasonable way to implement return parameters passed by address is to pass in an a 1-element array of the right type). The advantage, of course, is that I hope everyone on the list will quickly create Python wrappers with decent interfaces (and possibly type-checking) around their favorite toolboxes and make them available. The disadvantage, as stated above, is that the interface will be clumsy and error-prone, thereby possibly giving MacPython a bad name. What do y'all think? If I did the interface, would you use it? -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)cwi.nl | ++++ if you agree copy these lines to your sig ++++ http://www.cwi.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm _______________ PYTHONMAC-SIG - SIG on Python for the Apple Macintosh send messages to: pythonmac-sig(a)python.org administrivia to: pythonmac-sig-request(a)python.org _______________

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