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Changes in 2.1 since 2.0
--------------------------
These release notes refer to Mac-specific changes only. See NEWS (in the Misc folder)
for machine-independent changes. Changes since 2.1b2 are
marked with [*] and at the bottom of the list.
- This release is optionally Carbon-based, so it runs natively on MacOS 8.1 or
later and MacOSX. (Note that on MacOSX MacPython will run as a normal Mac application,
if you want to run Python from the BSD commandline get a unix-Python distribution
from www.python.org).
- Alternatively there is a classic PPC interpreter as well. There are two reasons you
might want to use this: (a) you have a pre-MacOS9 system and don't want to install
CarbonLib, or (b) you need Tkinter, for which no Carbon version is available yet.
- Distutils is included and seems to work. On 8.1 you may want to get Apple's
CarbonLib installer even if you plan to run classic, it contains the newer Appearance
Mgr which Python needs (according to rumour).
- There's a new module (package, actually) mkcwproject which builds CodeWarrior
projects from simple templates. See Distutils or :Mac:scripts:genpluginprojects.py
for examples of use.
- The Numerical extension has moved to :Lib:site-python from :Extensions. As Numerical
is now distutils-based you can easily install newer versions when they become
available.
- The Help and ctb modules are not available under Carbon because that functionality is
not in Carbon.
- Windows and Dialogs can now be different beasts, so you may have to call
dlg.GetDialogWindow() where you used to be able to call window methods straight
on the dialog. This also has consequences for code using FrameWork.DialogWindow.
THIS IS AN INCOMPATIBLE CHANGE.
- ctl.GetControlDataHandle() has been renamed to GetControlData_Handle(), and similarly
for the other variants of GetControlData and SetControlData. This was needed
because Carbon defines a completely different routine with the name GetControlDataHandle.
THIS IS AN INCOMPATIBLE CHANGE.
- Method mac.xstat() has disappeared. THIS IS AN INCOMPATIBLE CHANGE.
- Menu.SetPopupData() and GetPopupData() are gone. Use SetPopupMenuHandle() and
SetPopupMenuID() (and the getters) in stead. THIS IS AN INCOMPATIBLE CHANGE.
- Various methods have disappeared when running under Carbon. The script
:Mac:scripts:missingcarbonmethods.py can check your sources, but you need unix to run
it. Or use it as documentation and search by hand. THIS IS AN INCOMPATIBLE CHANGE.
- The good news is that "direct access to toolbox structs" still works from Python,
so Python programmers have a lot less to fix than C programmers.
That's because the lowlevel code simply uses the accessors internally. The accessors
are available both in Carbon and Classic MacPython.
- Scrap under Carbon is, you guessed it, the Carbon Scrap Manager. Some workarounds are
provided, though. THIS IS AN INCOMPATIBLE CHANGE.
- The Internet Config routines that are missing from Carbon have been removed. This
is no problem if you use the "ic" module, but may be if you use "icglue" directly.
THIS IS AN INCOMPATIBLE CHANGE.
- Various old toolbox names (CountMItems, EnableItem, etc) have disappeared. Use the
new forms (CountMenuItems, EnableMenuItem, etc). THIS IS AN INCOMPATIBLE CHANGE.
- Waste now uses Waste 2.0.
- The default memory size for the interpreter has been upped again.
- The MacOS error messages have been updated to reflect the current state of
things. This was long overdue.
- The crash in BuildApplication has been fixed.
- struct.pack related problems (in Audio_Mac, for example) have been fixed.
- (src/dev/cvs only): The project files now use the .mcp extension in stead of .prj.
Projects for almost all plugins and the img modules are automatically generated
with :Mac:scripts:genpluginprojects.py (also called by fullbuild). The .mcp files
are not in the repository, if you don't want to use genpluginprojects you can import
the .mcp.xml files in CodeWarrior.
- ConfigurePython has been replace by two applets: ConfigurePythonClassic and
ConfigurePythonCarbon. These will select either execution model for machines
supporting both, and it will also build all the standard applets.
- PythonInterpreterCarbon and PythonInterpreterClassic are now files of type "Atmp", not
"APPL", so there should not be any confusion as to what the real application is
(PythonInterpreter).
- A BBEdit language module by Chris Stern is included in the :Mac:Contrib folder.
- The ConfigurePython applets will now detect if the preference file refers to a different
folder than where they live. They offer to remove the preference file in this case.
- Import case-check was broken in 2.1b1, this is fixed.
- A side-effect of the previous fix is that getpass works again.
- BuildApplication was broken under Carbon. Fixed.
- Morefindertools functionality integrated into findertools. [*]
- ped.py from Mac:Demo crashed, this has been fixed by making Win.WhichWindow more robust. [*]
- Tkinter mainloop is now a little less aggressive in eating events. [*]
- The Python console window is raised to the front when input is read. This fixes a hang
(for Carbon only) when crashing with a modal dialog open. [*]
- The menu bar is (again) restored when Python is terminating. [*]
What is not in this distribution
--------------------------------
- The garbage collection mods have not been enabled, mainly due to lack of test-time.
- Stackless Python/microthreads hasn't been ported to 2.1 yet. If/when it becomes available
Just will undoubtedly announce it on pythonmac-sig and the MacPython homepage.
Known problems
--------------
This list is probably incomplete, more problems may be listed on the MacPython homepage,
http://www.cwi.nl/~jack/macpython.html.
- Tkinter does not work under Carbon.
- The IDE and Tkinter do not work together. Run tkinter programs under PythonInterpreter.
- Tkinter file events do not work, unless you have opened the file through Tcl (but then
you cannot access it from Python).
- Aliases may not work in sys.path entries.
- Under Carbon on OS9 only you may occasionally see a spurious KeyboardInterrupt. I have absolutely
no clue as to what is causing this.
- PythonInterpreter used interactively will eat a lot of processor cycles. You should use
PythonIDE for interactive work and PythonInterpreter for scripts only. This is especially
true under OSX.
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