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- How to install Python 1.4 on your Macintosh
- ------------------------------------------------
-
- Even if you don't usually read readme files: please read at least the
- first sections of this file, failure to do so will probably result in
- an unuseable python system. If this warning is too late and you already
- have an non-functional python: it is best to remove all traces and start
- with a fresh distribution. Especially don't forget to remove the
- "python 1.4 preferences" file from the Preferences folder, and possibly
- "PythonCorePPC 1.4" and/or "PythonCoreCFM68K 1.4"
- from the Extensions folder. Before you mail me for help *please*
- try the steps above (cleaning up and re-installing): it should fix most
- common mistakes. If you are installing a CFM68K python also check that
- your installation of CFM68K was done correctly.
-
- If this is your first encounter with Python: you definitely need the common
- user documentation (common to all platforms). You can find this (in various
- forms) on www.python.org and ftp.python.org.
-
- Mac-specific documentation is included in this distribution in folder Mac:Demo.
- The documentation is sparse, but it will have to serve for now. The documentation
- is in HTML format, start with index.html.
-
- If you have a pre-system 7 macintosh: sorry, this release will not work
- on your system. Too many sys7 features are used to make a sys6 python
- easy to create. If you really want one: tell me, maybe I can be convinced.
- Alternatively: get the sources, put in the necessary gestalt() and
- compatability calls yourself and send me the results.
-
- If you don't have enough memory: the sizes choosen are somewhat arbitrary.
- Try lowering them and seeing whether the resulting python is still usable.
- Note, however, that python running out of memory may result in your mac
- freezing. If this happens I would like to hear of it.
-
- Note that if you're using Tk you might want to raise the memory size, tcl
- and tk are quite a memory hog.
-
- A final note to CFM68K (and possibly PPC) users: the Code Fragment Manager
- can (incorrectly) produce "library not found" and other strange error messages
- when it really means that there is not enough room in the system heap. Decreasing
- (yes, *de*creasing) the size of the interpreter and/or enabling virtual memory
- may solve these problems.
-
- PowerPC and CFM68K Macintosh instructions
- -----------------------------------------
-
- For CFM68K you need a Mac with a 68020, 68030 or 68040, and at least System 7.1.1.
- CFM68K Python will not run on PowerPC Macs. Before installing Python you
- should install CFM68K. Put everything from the "CFM68K for System Folder" into the
- Extensions folder and restart.
-
- Run the MkPluginAliases applet. This will create an initial preferences file.
- Next, it will create a number of aliases in the PlugIns folder. Finally
- it will put an alias to your PythonCore in the Extensions folder. The whole
- process should be independent of any previous releases of Python on your disk
- (and these releases should still continue working).
-
- For all these things to work correctly it is vital that you don't move anything
- around before running MkPluginAliases. After you have set things up you may
- move things around to your hearts' desire.
-
- Classic 68K Macintosh instructions
- ----------------------------------
-
- Run Python68K. This will create an initial preferences file. Quit python.
-
- Common instructions
- -------------------
-
- You should now have a functioning python. It is probably a good idea to run
- "testall.py" from :Lib:test at this point, this should not give any errors.
- Running testall.py is done by double-clicking it or dropping it onto the
- interpreter.
- Next, try "compileall.py" from :Lib to create all .pyc files (but this isn't
- really important).
-
- PPC and CFM68K users have a couple of applets in the main folder they may want to try,
- (68K users can use the corresponding scripts from the "scripts" folder):
-
- - EditPythonPrefs allows you to edit the preferences file, to change the
- python home folder or modify the initial sys.path setting.
- The default settings are somewhat arbitrary, you can remove tkinter if
- you don't use it and possibly add Extensions:img:Lib.
- - mkapplet creates a python applet, a tiny application written
- in python. Drop a python source on it and out comes the application. More
- information can be found in the "Mac:Demo" folder.
-
- PPC and CFM68K users will see one more files in the python folder: PythonApplet. This is
- the template for building applets, leave it alone. For the 1.4b3 release the applet is
- specific for your installation, i.e. PPC applets will not run on CFM68K machines and vice
- versa. I hope to fix this soon.
-
- Things to see
- -------------
-
- There are some readme files in the "Read me files" folder that may contain
- useful information. There is also a first stab at documentation (plus examples)
- in the Mac:Demo folder. The toplevel Demo folder has machine-independent demos.
- See the file Readme-mac for mac-specific notes. The Mac:Lib:test folder also
- has some programs that show simple capabilities of various modules.
-
- The "scripts" folder has some sample scripts. Some are useful, some are just
- interesting to look at to see how various things work. The MkDistr, mkapplet
- and fullbuild scripts (plus the ones mentioned above) may help you to understand
- how to use AppleEvents and various other toolboxes from python.
-
- The 'img' group of modules, which handles I/O of many different image formats
- (not pict yet, sigh:-) is included, but without documentation. You can find
- docs at ftp://ftp.cwi.nl/pub/jack/python/img (or somewhere around there).
-
- Upgrading from older Python releases
- ------------------------------------
-
- Since release 1.4 Python releases are independent of each other, with separate
- Preferences files, shared library names, etc. The good news is that this means you
- can keep your older version around if you are unsure whether to upgrade. The bad
- news is that your old preference settings are lost and you have to set them again.
-
- After you are satisfied that 1.4 works as expected you can trash anything in the
- system folder that has "python" in the name and not "1.4".
-
- Feedback
- --------
-
- Send bug reports, suggestions, contributions and fanmail to <jack@cwi.nl>.
- Be warned however that I'm pretty busy, so I may not always
- respond immedeately.
-
- A better way to discuss MacPython is to join the <pythonmac-sig@python.org>
- mailing list, which is explicitly meant for this purpose.
-
- Alternatively, you can try sending to comp.lang.python or python-list@cwi.nl,
- but since I read the newsgroup, not the mailinglist, I may miss it there
- (but other people may know quite a bit more than me anyway:-).
-
- Jack Jansen
- Centrum voor Wiskunde en Informatica
- Kruislaan 413
- 1098 SJ Amsterdam
- the Netherlands
-
- <jack@cwi.nl>, http://www.cwi.nl/~jack
-