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736fc567b2
There is an issue with custom icons on directories in the 2.5c2 installer, don't set a custom icon on "/Applications/MacPython 2.5" for now. Also make sure that the installer doesn't crap out when the Makefile in the system's python installation has other customizations than we expect.
130 lines
4.5 KiB
Python
130 lines
4.5 KiB
Python
#!/usr/bin/python
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"""fixapplepython23 - Fix Apple-installed Python 2.3 (on Mac OS X 10.3)
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Python 2.3 (and 2.3.X for X<5) have the problem that building an extension
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for a framework installation may accidentally pick up the framework
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of a newer Python, in stead of the one that was used to build the extension.
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This script modifies the Makefile (in .../lib/python2.3/config) to use
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the newer method of linking extensions with "-undefined dynamic_lookup"
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which fixes this problem.
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The script will first check all prerequisites, and return a zero exit
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status also when nothing needs to be fixed.
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"""
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import sys
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import os
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import gestalt
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MAKEFILE='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/Makefile'
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CHANGES=((
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'LDSHARED=\t$(CC) $(LDFLAGS) -bundle -framework $(PYTHONFRAMEWORK)\n',
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'LDSHARED=\t$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
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),(
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'BLDSHARED=\t$(CC) $(LDFLAGS) -bundle -framework $(PYTHONFRAMEWORK)\n',
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'BLDSHARED=\t$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
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),(
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'CC=\t\tgcc\n',
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'CC=\t\t/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-gcc\n'
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),(
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'CXX=\t\tc++\n',
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'CXX=\t\t/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-g++\n'
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))
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GCC_SCRIPT='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-gcc'
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GXX_SCRIPT='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-g++'
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SCRIPT="""#!/bin/sh
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export MACOSX_DEPLOYMENT_TARGET=10.3
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exec %s "${@}"
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"""
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def findline(lines, start):
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"""return line starting with given string or -1"""
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for i in range(len(lines)):
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if lines[i][:len(start)] == start:
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return i
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return -1
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def fix(makefile, do_apply):
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"""Fix the Makefile, if required."""
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fixed = False
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lines = open(makefile).readlines()
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for old, new in CHANGES:
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i = findline(lines, new)
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if i >= 0:
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# Already fixed
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continue
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i = findline(lines, old)
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if i < 0:
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print 'fixapplepython23: Python installation not fixed (appears broken)'
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print 'fixapplepython23: missing line:', old
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return 2
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lines[i] = new
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fixed = True
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if fixed:
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if do_apply:
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print 'fixapplepython23: Fix to Apple-installed Python 2.3 applied'
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os.rename(makefile, makefile + '~')
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open(makefile, 'w').writelines(lines)
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return 0
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else:
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print 'fixapplepython23: Fix to Apple-installed Python 2.3 should be applied'
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return 1
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else:
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print 'fixapplepython23: No fix needed, appears to have been applied before'
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return 0
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def makescript(filename, compiler):
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"""Create a wrapper script for a compiler"""
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dirname = os.path.split(filename)[0]
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if not os.access(dirname, os.X_OK):
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os.mkdir(dirname, 0755)
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fp = open(filename, 'w')
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fp.write(SCRIPT % compiler)
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fp.close()
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os.chmod(filename, 0755)
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print 'fixapplepython23: Created', filename
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def main():
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# Check for -n option
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if len(sys.argv) > 1 and sys.argv[1] == '-n':
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do_apply = False
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else:
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do_apply = True
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# First check OS version
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if sys.byteorder == 'little':
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# All intel macs are fine
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print "fixapplypython23: no fix is needed on MacOSX on Intel"
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sys.exit(0)
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if gestalt.gestalt('sysv') < 0x1030:
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print 'fixapplepython23: no fix needed on MacOSX < 10.3'
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sys.exit(0)
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if gestalt.gestalt('sysv') >= 0x1040:
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print 'fixapplepython23: no fix needed on MacOSX >= 10.4'
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sys.exit(0)
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# Test that a framework Python is indeed installed
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if not os.path.exists(MAKEFILE):
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print 'fixapplepython23: Python framework does not appear to be installed (?), nothing fixed'
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sys.exit(0)
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# Check that we can actually write the file
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if do_apply and not os.access(MAKEFILE, os.W_OK):
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print 'fixapplepython23: No write permission, please run with "sudo"'
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sys.exit(2)
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# Create the shell scripts
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if do_apply:
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if not os.access(GCC_SCRIPT, os.X_OK):
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makescript(GCC_SCRIPT, "gcc")
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if not os.access(GXX_SCRIPT, os.X_OK):
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makescript(GXX_SCRIPT, "g++")
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# Finally fix the makefile
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rv = fix(MAKEFILE, do_apply)
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#sys.exit(rv)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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