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authorJack Jansen <jack.jansen@cwi.nl>2002-12-23 11:25:49 (GMT)
committerJack Jansen <jack.jansen@cwi.nl>2002-12-23 11:25:49 (GMT)
commitae3cb6cf29ff339bd23ed8703e14d6f7a7a2f90e (patch)
tree62d2d3a167d35e9379c8d6aadef4aaf451a6b18c /Mac/Relnotes
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-Changes in 2.2 since 2.1.1
-----------------------------
-
-These release notes refer to Mac-specific changes only. See NEWS (in the Misc folder)
-for machine-independent changes.
-
-
-- The main change is that all toolbox modules have moved to a package called Carbon.
- So things like "import Res" should be changed to "from Carbon import Res", and
- "from Res import *" to "from Carbon.Res import *". Please see the readme file for
- some open questions and join the discussions on pythonmac-sig if you have anything
- to contribute. Aside from reducing clutter this change will also benefit the
- port to Mach-O/OSX Python later.
-- All toolbox modules have been updated to Universal Headers 3.4.
-- Toolbox modules are weaklinked against InterfaceLib (for PPC builds) and raise
- an exception when you call an unimplemented one on an old MacOS.
-- On input MacPython now accepts either \n (unix style) or \r (mac style) newlines
- for text files. This behaviour can be turned off with a preference.
- This is an experimental feature; again: feedback is requested.
-- The IDE looks better on OS X, but still not as good as on OS9.
-- Command-dot handling has been improved a lot: scripts are now much easier to interrupt,
- and they only scan for cmd-. while in the foreground.
-- "Copy" from the MacPython console window was always disabled. Fixed.
-- This release should run on MacOS 8.1 again.
-- A new, rather different GUSI I/O library is used.
-- time.time() returns positive values again.
-- There is a new module macresource which makes it easier to open a resource file
- accompanying your script when the script is not (yet) converted to an applet.
- This module will later also do the right thing in Mach-O/OSX Python.
-- (Carbon only) experimental modules Carbon.CG (CoreGraphics) and CarbonEvt have
- been added.
-- A new, experimental module hfsplus is included, which gives access to some of the
- functionality of the HFS+ API.
-- A new, experimental module gives access to Carbon Events.
-- Threads had a stack that was too small for many serious Python applications (20K).
- They now get 64K. There is still no overflow check, though.
-- Garbage collection and the gc module have (finally) been enabled.
-- EasyDialogs.ProgressBar now has indeterminate progressbars if you specify maxval=0.
- This is also the new default. Patch supplied by Dean Draayer.
-- There are new preferences for enabling old-style division warnings and for
- accepting unix-style newlines in text input files. These can also be set during
- startup, and in addition you can select very verbose import tracing.
-- The NavServices override for StandardFile has moved from early startup to the
- time you import macfs. This speeds up MacPython startup.
-- Various outdated scripts have been moved to :Mac:Unsupported.
-- Various outdated items from :Mac:Lib:test have been removed.
-- C Developers: you know have control over the Python console if you are embedding
- MacPython in another application, thanks to Alexandre Parenteau. :Mac:Demo:embed.html
- has very minimal documentation.
-- BuildCGIApplet works again.
-- The CodeWarrior OSA suite missed quit(). It is back.
-- Contrib:morefindertools is gone, the functionality has been integrated into
- the standard module findertools.py.
-
-Known problems
---------------
-
-This list is probably incomplete, more problems may be listed on the MacPython homepage,
-http://www.cwi.nl/~jack/macpython.html.
-
-- MacPython 2.2 (and MacPython 2.1) will not run correctly on a multiprocessor MacOS X
- machine, it will quickly deadlock during I/O operations. The GUSI I/O library is suspected,
- hints/clues/workarounds are solicited. This problem also occurs intermittently on fast
- OS X single-processor machines.
-- 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).
-- The IDE object and class browser look funny on OSX, but they work fine.
-- Aliases may not work in sys.path entries.
-- 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.
-- AliasMenu 2.2 conflicts with the Carbon version of Python. This is most likely a problem
- with AliasMenu (which is from 1999, and thus predates Carbon altogether).