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#! /bin/sh
#############################################################################
#
# MODULE: python wrapper
# AUTHOR(S): William Kyngesburye - kyngchaos@kyngchaos.com
# PURPOSE: handle arch options on OSX for running python.
# COPYRIGHT: (C) 2000-2008 by the GRASS Development Team
#
# This program is free software under the GNU General Public
# License (>=v2). Read the file COPYING that comes with GRASS
# for details.
#
#############################################################################
# wxpython-based scripts must be started from pythonw. And depending on the
# installed wxpython, it may only be available in 32bits, while python may
# at the same time run 64bit by default. Newer systems may also reexec python
# as pythonw automatically as needed, except they don't respond to the arch
# command (and that's an Apple-only thing, and only when /usr/bin/python is
# used, yet /usr/bin/pythonw2.6 DOES respond to arch). The most universal
# and reliable method is probably to not depend on Apple's customizations and
# execute pythonw directly, 32bit if necessary.
if [ -z "$GISBASE" ] ; then
echo "You must be in GRASS GIS to run this program." >&2
exit 1
fi
SYSARCH=`uname -p`
SYSVER=`uname -r | cut -d . -f 1`
if [ ! "$GRASS_PYTHONWX" ] ; then
GRASS_PYTHONWX="pythonw"
fi
# can't run python 64bit if wx not 64bit, assume OSX 10.5+ possible 64bit
if [ $(($SYSVER)) -gt 5 ] && [ "$GRASS_WX64BIT" = "0" ] ; then
case $SYSARCH in
powerpc) pyarch="-ppc" ;;
i386) pyarch="-i386" ;;
*) pyarch="" ;;
esac
exec /usr/bin/arch $pyarch "$GRASS_PYTHONWX" "$@"
else
exec "$GRASS_PYTHONWX" "$@"
fi
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