mirror of https://github.com/python/cpython
80 lines
4.5 KiB
Plaintext
80 lines
4.5 KiB
Plaintext
Changes in 2.2c1 since 2.1.1
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----------------------------
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These release notes refer to Mac-specific changes only. See NEWS (in the Misc folder)
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for machine-independent changes. Changes that are new in 2.2c1 are flagged as such.
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- The main change is that all toolbox modules have moved to a package called Carbon.
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So things like "import Res" should be changed to "from Carbon import Res", and
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"from Res import *" to "from Carbon.Res import *". Please see the readme file for
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some open questions and join the discussions on pythonmac-sig if you have anything
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to contribute. Aside from reducing clutter this change will also benefit the
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port to Mach-O/OSX Python later.
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- All toolbox modules have been updated to Universal Headers 3.4. [2.2c1]
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- Toolbox modules are weaklinked against InterfaceLib (for PPC builds) and raise
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an exception when you call an unimplemented one on an old MacOS. [2.2c1]
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- On input MacPython now accepts either \n (unix style) or \r (mac style) newlines
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for text files. This behaviour can be turned off with a preference.
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This is an experimental feature; again: feedback is requested.
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- The IDE looks better on OS X, but still not as good as on OS9. [2.2c1]
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- Command-dot handling has been improved a lot: scripts are now much easier to interrupt,
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and they only scan for cmd-. while in the foreground.
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- "Copy" from the MacPython console window was always disabled. Fixed.
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- This release should run on MacOS 8.1 again.
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- A new, rather different GUSI I/O library is used.
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- time.time() returns positive values again. [2.2c1]
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- There is a new module macresource which makes it easier to open a resource file
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accompanying your script when the script is not (yet) converted to an applet.
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This module will later also do the right thing in Mach-O/OSX Python.
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- (Carbon only) experimental modules Carbon.CG (CoreGraphics) and CarbonEvt have
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been added. [2.2c1]
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- A new, experimental module hfsplus is included, which gives access to some of the
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functionality of the HFS+ API.
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- A new, experimental module gives access to Carbon Events. [2.2c1]
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- Threads had a stack that was too small for many serious Python applications (20K).
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They now get 64K. There is still no overflow check, though.
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- Garbage collection and the gc module have (finally) been enabled.
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- EasyDialogs.ProgressBar now has indeterminate progressbars if you specify maxval=0.
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This is also the new default. Patch supplied by Dean Draayer.
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- There are new preferences for enabling old-style division warnings and for
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accepting unix-style newlines in text input files. These can also be set during
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startup, and in addition you can select very verbose import tracing.
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- The NavServices override for StandardFile has moved from early startup to the
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time you import macfs. This speeds up MacPython startup.
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- Various outdated scripts have been moved to :Mac:Unsupported.
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- Various outdated items from :Mac:Lib:test have been removed.
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- C Developers: you know have control over the Python console if you are embedding
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MacPython in another application, thanks to Alexandre Parenteau. :Mac:Demo:embed.html
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has very minimal documentation.
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- BuildCGIApplet works again.
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- The CodeWarrior OSA suite missed quit(). It is back.
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- Contrib:morefindertools is gone, the functionality has been integrated into
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the standard module findertools.py.
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What is not in this distribution
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--------------------------------
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- The toolbox modules have not all been updated to Universal Header 3.4 or CarbonLib 1.4 yet.
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Known problems
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--------------
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This list is probably incomplete, more problems may be listed on the MacPython homepage,
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http://www.cwi.nl/~jack/macpython.html.
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- MacPython 2.2 (and MacPython 2.1) will not run correctly on a multiprocessor MacOS X
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machine, it will quickly deadlock during I/O operations. The GUSI I/O library is suspected,
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hints/clues/workarounds are solicited.
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- Tkinter does not work under Carbon.
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- The IDE and Tkinter do not work together. Run tkinter programs under PythonInterpreter.
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- Tkinter file events do not work, unless you have opened the file through Tcl (but then
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you cannot access it from Python).
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- The IDE object and class browser look funny on OSX, but they work fine.
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- Aliases may not work in sys.path entries.
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- PythonInterpreter used interactively will eat a lot of processor cycles. You should use
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PythonIDE for interactive work and PythonInterpreter for scripts only. This is especially
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true under OSX.
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- AliasMenu 2.2 conflicts with the Carbon version of Python. This is most likely a problem
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with AliasMenu (which is from 1999, and thus predates Carbon altogether).
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