🌐 Mailman 3 October 1999 - Pythonmac-SIG - python.org

Is the menu enabled?
by James B. Wilkinson Nov. 22, 1999

Nov. 22, 1999

Is there a way to get the toolbox to tell me whether a given menu is enabled or not at a given time. I'd prefer not to have to redraw the menu bar if I haven't actually made any changes in that property. Right now the only thing I can think of is to keep an instance variable in the application that gets set every time the enabled/disabled status of a menu changes. That would probably work, but I worry about having the variable somehow get out of step with what it's supposed to be tracking, and I'd prefer to have direct access to the real truth. I see that the Menu module implements the GetMenuHandle() function, but I have no idea how to use it in Python. In C, I think I could use the handle to get to the MenuInfo record and look at the enableFlags. How to do that in Python is beyond me, and I don't know how to learn anything beyond what I've done: type "import Menu" and "dir(Menu)". That tells me that GetMenuHandle() is there, but not how to use it. Is there a good way to answer questions like this, or do you just have to know? Thanks. ------------------------------------------------------------- Jimmy Wilkinson | Perfesser of Computer Science jimmy(a)cs.CofC.edu | The College of Charleston (843) 953-8160 | Charleston SC 29424 If there is one word to describe me, that word would have to be "profectionist".

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Re: [Pythonmac-SIG] Re: "Build Applet" not Drag and drop anymore?
by Jack Jansen Nov. 22, 1999

Nov. 22, 1999

Recently, Chris Barker <cbarker(a)jps.net> said: > >Have you tried rebuilding the desktop? Often drag-and-drop apps that > >won't accept drops just means tha the Finder needs a kick in the > >pants... > > Bingo! I guess dispite what Apple wants you to think, there really is a > lot of tricky little stuff you have to learn on a Mac. I think I am to blame for this, because I see this problem (having to rebuild the desktop to get an applet to work) a lot more with Python than with anything else. I think I don't fully understand either how to kick the finder after BuildApplet has created a new application or exactly how BNDL resources, the Inited finfo bit and all these other thingies work together. So if someone wants to have a look at BuildApplet and friends and make a fool of me in public: by all means, be my guest:-) -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)oratrix.com | ++++ if you agree copy these lines to your sig ++++ www.oratrix.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm

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Creator of text files created by Python scripts
by Chris Barker Oct. 29, 1999

Oct. 29, 1999

Hi, I've found that when I create a new text file in a script that I'm running from the IDE, it gets created with creator type "PYTH". If I run the same script by dropping it on the Python interpreter, it gets created with creator "ttxt", which is not ideal, but is a better option. having various text files around that are not python scripts, but have creator type "PYTH" is a pain. Can I change this behavioe in the IDE? -Thanks, -Chris -- Christopher Barker, Ph.D. cbarker(a)jps.net --- --- --- http://www.jps.net/cbarker -----@@ -----@@ -----@@ ------@@@ ------@@@ ------@@@ Water Resources Engineering ------ @ ------ @ ------ @ Coastal and Fluvial Hydrodynamics ------- --------- -------- ------------------------------------------------------------------------ ------------------------------------------------------------------------

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Re: [Pythonmac-SIG] C module creation on MacPython
by Jack Jansen Oct. 27, 1999

Oct. 27, 1999

Wow, I'm really impressed that building extensions with MrC seems to work so well! What I would really like is to extend the plugins.html document to include instructions for building plugins using MrC, and having a Makefile for xxmodule. The only point is that plugins.html uses the long-useless and untestable InterSLIP as its example. If someone could take the plugins documentation and rewrite it around an example interface that actually works on all Macintoshes that would be very helpful. Something like (parts of) the Shutdown Manager, or tGetDateTime or some such comes to mind. -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)oratrix.com | ++++ if you agree copy these lines to your sig ++++ www.oratrix.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm

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Re: [Pythonmac-SIG] C module creation on MacPython
by Jack Jansen Oct. 25, 1999

Oct. 25, 1999

> > What is needed to create a c module in MacPython? > > Doug Wyatt gave some pointers for compiling with CodeWarrior. If you > don't have CodeWarrior, you can download MPW from Apple's ftp site for > free and compile using that. Corran, I'm very surprised that your recipe works, as it mixes MPW libraries (in the extension module) with CodeWarrior libraries (in PythonCore). I would expect all sort of trouble with I/O, malloc/free, and possibly loads of other places. If you're actually using this method, could you post a bit of information on what works, what doesn't work and whether there are specific things you should do (like calling printf, I can imagine)? -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)oratrix.com | ++++ if you agree copy these lines to your sig ++++ www.oratrix.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm

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Gadfly SQL on Mac?
by Richard Gordon Oct. 25, 1999

Oct. 25, 1999

I just ran across Aaron Watters' Gadfly (http://www.chordate.com/kwParsing/gadfly.html) while looking for something else and am interested in playing with it, but thought I'd ask if anyone happens to know if this runs ok on Mac or not? Also, it's the only SQL engine that I've come across that seems to be entirely ram-based and while that should make it amazingly fast, I wonder how practical it would be to use unless you had hordes of memory to allocate to MacPython? Thanks. Richard Gordon -------------------- Gordon Consulting & Design Database Design/Scripting Languages mailto:richard@richardgordon.net http://www.richardgordon.net 770.971.6887 (voice) 770.216.1829 (fax)

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Re: [Pythonmac-SIG] parameters to Scrap.GetScrap( ??, ??)
by Jack Jansen Oct. 25, 1999

Oct. 25, 1999

> Is there some place I should be able to find stuff like that for myself? I > didn't see anything like that in libmac.pdf, and I haven't found any other > docs for MacPython. If someone wants to pick up working on MacPython documentation: please, be my guest. I know the docs are very incomplete and outdated, but I don't have time to work on it.... > Here's the end of the traceback I get if I start up the program right after > zeroing the scrap: > > TE.TEFromScrap() > Mac OS Error: (-102, 'No object of that type in scrap') > > This looks like the relevant line in macerrors.py: > noTypeErr = -102 #No object of that type in scrap > > My code at that point is > > try: > TE.TEFromScrap() > except macerrors.noTypeErr: > print "Caught it!" #For debugging > pass The values in macerrors.py are the values you will be passed in the *argument* to the exception. The exception you get for all (or, at least, almost all) toolbox errors is MacOS.Error. This exception is also known as TE.Error, Res.Error, etc etc etc. -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)oratrix.com | ++++ if you agree copy these lines to your sig ++++ www.oratrix.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm

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Re: [Pythonmac-SIG] suggestion: use Internet Config for file creation types
by Jack Jansen Oct. 25, 1999

Oct. 25, 1999

> I think MacPython (both the IDE and the interpreter) should use Internet > Config, to compute the type and creator of files that they create. I thought about this at some point in the past, but decided against it. It tightly couples extensions to filetypes, as is done on Windows, and I think this is a bad thing in general. What I could live with is if you did this optionally. I.e. if you do import autotyper autotyper.install() somewhere in your script you get this behaviour. If you want to implement this I'll gladly accept it and add it to the distribution. Note, by the way, that you don't need to write any C for this: there is in Internet config interface available, and you can hook into the standard open call with something like import __builtin__ _builtin_open = __builtin__.open def _open_with_typer(*args): rv = apply(_builtin_open, args) # do typer magic return rv def install(): __builtin__.open = _open_with_typer -- Jack Jansen | ++++ stop the execution of Mumia Abu-Jamal ++++ Jack.Jansen(a)oratrix.com | ++++ if you agree copy these lines to your sig ++++ www.oratrix.nl/~jack | see http://www.xs4all.nl/~tank/spg-l/sigaction.htm

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parameters to Scrap.GetScrap( ??, ??)
by James B. Wilkinson Oct. 24, 1999

Oct. 24, 1999

I'm trying to call Scrap.GetScrap, and I'm having trouble giving it parameters that it likes. I want the second parameter to be 'TEXT', but I can't find a way to tell it that. I'm passing None for the first parameter, thinking that that might give me the result of passing NIL (Inside Mac V 1). It's not complaining about that, so maybe it's ok. Inside Mac says the second parameter should be ResType, a 4-byte string. I've tried giving it 'TEXT', and I've tried converting those four bytes to the equivalent integer. I don't know what to try next. Can somebody give me a clue? Here's what I get when I try it: length, offset = Scrap.GetScrap(None, 'TEXT') TypeError: Resource required Thanks. ------------------------------------------------------------- Jimmy Wilkinson | Perfesser of Computer Science jimmy(a)cs.CofC.edu | The College of Charleston (843) 953-8160 | Charleston SC 29424 If there is one word to describe me, that word would have to be "profectionist".

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CommandHistoryPatch update
by Oliver Steele Oct. 23, 1999

Oct. 23, 1999

Thanks for your suggestions, everyone! I've changed the previous history key to ctl-uparrow (option-p was indeed a holdover from my MCL days); added ctl-downarrow for next history; and added the feature where typing on a previous line appends that line to the current input. Enter/Return just appends the text of the line the selection is on (so press Return twice to execute it). Any other non-navigation key appends the text, repositions the selection, and then types the key. This sounds complicated, but I think it works well; try it, and tell me what you think. The new patch is available from <http://www.cs.brandeis.edu/~steele/sources/python.html>, as <http://www.cs.brandeis.edu/~steele/sources/CommandHistoryPatch.py>. PatchUtils.py does the right thing, so you can just drop CommandHistoryPatch.py on the interpreter, and it will ask you if you want to update the old one. By the way, I extended (by subclassing) PatchUtils.Patch with a ReplaceLines command, since I needed to replace multiple lines. I wouldn't mind if this code were moved into PatchUtils.py.

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