mirror of https://github.com/python/cpython
195 lines
8.0 KiB
Plaintext
195 lines
8.0 KiB
Plaintext
How to install Python 2.0 on your Macintosh
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If this is your first encounter with Python: you definitely need the
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common user documentation (common to all platforms). You can find this
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(in various forms) on www.pythonlabs.com, www.python.org and
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ftp.python.org. Through there, or via
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http://www.cwi.nl/~jack/macpython.html you can also find the most recent
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MacPython distribution.
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Mac-specific documentation is included in this distribution in folder
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Mac:Demo. The documentation is sparse, but it will have to serve for
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now. The documentation is in HTML format, start with index.html.
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Caveats
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-------
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This is a final candidate version, so use with caution, and please report
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problems as soon as possible, to pythonmac-sig@python.org.
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Aside from the general new Python 2.0 features (compared to 1.5.2, there
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was no 1.6 for the macintosh) like unicode support the main new features
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of this MacPython release is support for multithreading. This has had
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some preliminary testing, but please report any success or failure on
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the mailing list.
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This installer installs MacPython for PowerPC only, if you really want
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68k support you will have to stay with 1.5.2. Or, if you are willing to
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invest the time and have access to CodeWarrior you are welcome to try
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and build a 68k distribution, most of the projects and sources are
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reasonably up to date (May 2000). Contact me for details.
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This version of Python expects a recent version of Appearance, so it may
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be that users with pre MacOS 8.5 systems have trouble running it. If
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that is the case try getting CarbonLib from Apple, I am told this
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includes Appearance and NavServices. You may also have to disable the
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"Use navservices" preference for best results.
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What to install
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---------------
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This installer is PPC only: too many new MacOS features are not
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available on 68K, and doing workarounds, even just #ifdeffing in the
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code, is too much work for me right now. If someone wants to revive
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68K-MacPython: please do so. The project files still contain the 68K
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targets (they're simply skipped by the build process) so all that is
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needed is CodeWarrior, a source distribution and commitment.
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The optional parts in this distribution are
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- TK+PIL: Tkinter and support modules, plus Imaging, the Python image manipulation
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package (allows you to read, write and display images and do lots of operations on them).
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- img: another imaging package. Has more file format support and is faster
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than imaging, but has only limited operations on images. There is a bridge
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between the packages.
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- Numeric: the LLNL Numeric Python extension. All sorts of nifty operations
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on matrices and such. This is the most recent version from the sourceforge archive.
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- Developers kit: all header files and some tools and sample projects to get you started on
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writing Python extensions if you have CodeWarrior.
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All these except the DevKit are installed with Easy Install.
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After the installer finishes it automatically launches the
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ConfigurePython applet, to finish configuration of your Python.
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If you have previously installed another copy of 2.0 you should manually
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remove your preference file first (but no such action is needed for installing
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beside older MacPythons, and they will live together happily).
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If you don't have enough memory: the sizes choosen are somewhat
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arbitrary. Try lowering the application sizes in the finder "get info"
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window, and seeing whether the resulting python is still usable. Some
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modules (Tkinter comes to mind) need a lot of memory, so it may also be
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necessary to increase the application size.
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After installing
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----------------
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It is probably a good idea to run the automatic tests. Start
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Python and "import test.autotest".
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Three tests will fail on the mac, all with MemoryErrors: test_sha, test_longexp
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and test_zlib. If you increase the PythonInterpreter memory partition size they
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will pass.
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It will, however, print some messages about optional features
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not supported. Also, if you didn't run compileall before autotesting
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you may run out of memory the first time you run the
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tests. test_socket may also fail if you have no internet
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connection. Please also read the Relnotes file for other minor
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problems with this distribution.
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Using Python is most easily done from the IDE, which has a builtin editor,
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debugger and other goodies. The alternative is to use PythonInterpreter,
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which is the lowlevel interpreter with a console-window only (similar to Unix
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Python).
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If your program uses Tkinter you MUST run it under PythonInterpreter, Tkinter
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and IDE are incompatible and your program will fail in strange ways.
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Uninstalling
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------------
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Two items are installed in the system folder: the interpreter shared
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library "PythonCore 2.0" lives in the Extensions folder and the
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"Python 2.0 Preferences" file in the Python subfolder in the
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Preferences folder. All the rest of Python lives in the folder you
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installed in.
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Things to see
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-------------
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Start off at Mac:Demo:index.html. Read at least the first few sections.
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There are also some interesting files in the "Relnotes" folder that may
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contain useful information. There is also a first stab at documentation
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(plus examples) in the Mac:Demo folder. The toplevel Demo folder has
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machine-independent demos.
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The Mac:Lib:test folder also has some programs that show simple
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capabilities of various modules.
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The ":Mac:scripts" folder has some sample scripts. Some are useful, some are
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just interesting to look at to see how various things work. The MkDistr,
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mkapplet and fullbuild scripts (plus the ones mentioned above) may help
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you to understand how to use AppleEvents and various other toolboxes
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from python.
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Other mac-specific goodies can be found in :Mac:Tools, of which the IDE sources
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and a CGI framework deserve special mention.
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The 'img' group of modules, which handles I/O of many different image
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formats is included, but without documentation. You can find docs at
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ftp://ftp.cwi.nl/pub/jack/python/img (or somewhere around there).
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Finally there is a Mac:Contrib folder which contains some contributed
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software.
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Upgrading from older Python releases
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------------------------------------
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Since release 1.4 Python releases are independent of each other, with
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separate Preferences files, shared library names, etc. The good news is
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that this means you can keep your older version around if you are unsure
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whether to upgrade. The bad news is that your old preference settings
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are lost and you have to set them again.
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After you are satisfied that 2.0 works as expected you can trash
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anything in the system folder that has "python" in the name and not
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"2.0".
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The installer
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-------------
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The installer for this product was created using Installer VISE
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from MindVision Software. For more information on Installer VISE,
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contact:
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MindVision Software
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7201 North 7th Street
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Lincoln, NE 68521-8913
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Voice: 402-477-3269
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Fax: 402-477-1395
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Internet: mindvision@mindvision.com
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http://www.mindvision.com
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Just van Rossum <just@letterror.nl> created the initial version of the
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installer (with Installer Vise Lite), and Jack worked from there.
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Thanks!
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-------
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Thanks go to the whole Python community with Guido in the lead, of
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course. Mac-specific thanks go to the pythonmac-sig, Just van Rossum,
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Corran Webster, Tony Ingraldi, Erik van Blokland, Bill Bedford, Chris
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Stern, Gordon Worley, Oliver Steele, M. Papillon, Steven Majewski, David
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Goodger, Chris Barker, Luc Lefebvre, Tattoo Mabonzo K., Russell Finn,
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Tom Bridgman and all the other people who provided feedback, code or both!
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MacPython includes waste, a TextEdit replacement which is (c) 1998 Marco Piovanelli.
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Feedback
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--------
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Send bug reports, suggestions, contributions and fanmail to
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<jack@cwi.nl>. However, a better way to discuss MacPython is to join the
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<pythonmac-sig@python.org> mailing list, which is explicitly meant for
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this purpose.
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Alternatively, you can try sending to comp.lang.python or
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python-list@cwi.nl, but since I read the newsgroup, not the mailinglist,
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I may miss it there (but other people may know quite a bit more than me
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anyway:-).
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Jack Jansen
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Oratrix Development BV
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Valeriusplein 30
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Amsterdam
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the Netherlands
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<jack@cwi.nl>, http://www.cwi.nl/~jack
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