File: py-compile

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#!/bin/sh
# called as "py-compile [--basedir DIR] PY_FILES ...

if [ -z "$PYTHON" ]; then
  PYTHON=python
fi

basedir=

case "$1" in
    --basedir)
	basedir=$2
	shift 2
	;;
    --help)
	echo "Usage: py-compile [--basedir DIR] PY_FILES ..."
	echo "Byte compile some python scripts.  This should be performed"
	echo "after they have been moved to the final installation location"
	exit 0
	;;
    --version)
	echo "py-compile version 0.0"
	exit 0
	;;
esac

if [ $# = 0 ]; then
    echo "No files given to $0" 1>&2
    exit 1
fi

# if basedir was given, then it should be prepended to filenames before
# byte compilation.
if [ -z "$basedir" ]; then
    trans="path = file"
else
    trans="path = os.path.join('$basedir', file)"
fi

$PYTHON -c "
import sys, os, string, py_compile

files = '''$*'''
print 'Byte-compiling python modules...'
for file in string.split(files):
    $trans
    if not os.path.exists(path) or not (len(path) >= 3 and path[-3:] == '.py'):
	continue
    print file,
    sys.stdout.flush()
    py_compile.compile(path)
print" || exit $?

# this will fail for python < 1.5, but that doesn't matter ...
$PYTHON -O -c "
import sys, os, string, py_compile

files = '''$*'''
print 'Byte-compiling python modules (optimised versions) ...'
for file in string.split(files):
    $trans
    if not os.path.exists(path) or not (len(path) >= 3 and path[-3:] == '.py'):
	continue
    print file,
    sys.stdout.flush()
    py_compile.compile(path)
print" 2>/dev/null || :