Macintosh Python crash course
This set of documents provides an introduction to various aspects of
Python programming on the Mac. It is assumed that the reader is
already familiar with Python and, to some extent, with MacOS Toolbox
programming. Other readers may find something interesting here too,
your mileage may vary.
As the previous paragraph reveals to the careful observer these examples
are dated, most of them were writting before OSX and haven't been updated
afterwards. They still show how to use the Carbon wrappers but aren't
necessarily the best way to use the Carbon API's in OSX.
Another set of Macintosh-savvy examples, more aimed at beginners, is
maintained by Joseph Strout, at Python Tidbits in
http://www.strout.net/python/.
The Python Library
Reference contains a section on Macintosh-specific
modules that you should also read. Documentation is also available
in PostScript and other forms, see the documentation section on the
webserver.
The W widget set by Just van Rossum, does not have complete documentation as
of this writing, but Corran Webster has documented most of it on his
Python Page.
There are also some documentation links, as well as other MacPython-related
pages, in the
Open Directory.
Table of contents
Note:
Some of these documents were actually written a long time ago and have seen
little maintainance, so use with care.
-
Using python to create Macintosh applications,
part zero whets your appetite by showing you how to ask the user
for a filename, and how to display a message. It explains about end-of-line
confusion while doing so.
-
Using python to create Macintosh applications,
part one explains how to create a simple modal-dialog application
in Python. It also takes a glance at using the toolbox modules Res and
Dlg, and EasyDialogs for simple question-dialogs.
-
Using python to create Macintosh applications,
part two turns the previous example program into a more complete
mac application, using a modeless dialog, menus, etc. It also explains
how to create applets, standalone applications written in Python.
-
Freezing Python programs extends on this concept,
and shows you how to create applications that can be used on machines without
a full Python installed. This one is probably best skipped on first contact
with MacPython.
-
Using FrameWork and TextEdit shows you
how to use
FrameWork
application framework and the
TextEdit
toolbox to build a text editor.
-
Creating a C extension module on the Macintosh
is meant for the hardcore programmer, and shows how to create an
extension module in C. It also handles using Modulator to create the
boilerplate for your module, and creating dynamically-loadable modules
on PowerPC Macs. It assumes you use CodeWarrior for you development.
-
Creating C extension modules using MPW
is a companion document, written by Corran Webster, which explains how you
can develop Python extensions using Apple's free MPW compiler environment.
-
Using Open Scripting Architecture from Python explains
how to create a Python module interfacing to a scriptable application,
and how to use that module in your python program.
-
Using python to create CGI scripts is a preliminary
introduction to writing CGI scripts in Python and to writing scriptable applications
in Python.
-
Building Mac Python from source explains
how to build a PPC or 68K interpreter from a source distribution.
-
Embedding Python on the Mac is a minimal example of
how to embed Python in other Mac applications.
The Python distribution contains a few more examples, all unexplained:
-
PICTbrowse is an application that locates PICT
resources and displays them, it demonstrates some quickdraw and the
resource and list managers. In the same folder you will find the very
similar scripts ICONbrowse and cicnbrowse. oldPICTbrowse is the same program
but form the pre-Appearance era, it uses a dialog with a user item and
creates and manages its own List object.
-
Imgbrowse displays image files in
many different formats (gif, tiff, pbm, etc). It shows how to use the
img modules on the mac.
-
Quicktime has the standard
MovieInWindow
and
VerySimplePlayer
examples, re-coded in Python.
-
Resources, Sound and Speech have some examples
on using the respective managers. In the Mac:Lib folder you
will also find modules that do useful things with the Communications
Toolbox, the Finder interface, etc.
-
Printing has an example on using the Printing module to, you guessed
it, print from Python. The code is somewhat self-documenting. Donated
by Just van Rossum, who also donated the Printing module itself.
At some point in the (possibly distant) future, I will add chapters on
how to use bgen to create modules completely automatic and how to make
your Python program scriptable, but that will have to wait.
Please let me know if you miss critical information in this
document. I am quite sure that I will never find the time to turn it
into a complete MacPython programmers guide (which would probably be a
400-page book instead of 10 lousy html-files), but it should contain
at least the information that is neither in the standard Python
documentation nor in Inside Mac or other Mac programmers
documentation.
Jack Jansen,
jack@cwi.nl, 22-Apr-00.