Add a xpak-helper.py script, so that shell code always calls python via

a shebang.

svn path=/main/trunk/; revision=14575

2 files changed, 71 insertions, 1 deletions

diff --git a/bin/misc-functions.sh b/bin/misc-functions.sh
index 671a06935..ef8b0a54a 100755
--- a/bin/misc-functions.sh
+++ b/bin/misc-functions.sh
@@ -711,7 +711,8 @@ dyn_package() {
 		bzip2 -cf > "$PORTAGE_BINPKG_TMPFILE"
 	assert "failed to pack binary package: '$PORTAGE_BINPKG_TMPFILE'"
 	EPYTHON= PYTHONPATH=${PORTAGE_PYM_PATH}${PYTHONPATH:+:}${PYTHONPATH} \
-	python -c "from portage import xpak; t=xpak.tbz2('${PORTAGE_BINPKG_TMPFILE}'); t.recompose('${PORTAGE_BUILDDIR}/build-info')"
+		"$PORTAGE_BIN_PATH"/xpak-helper.py recompose \
+		"$PORTAGE_BINPKG_TMPFILE" "$PORTAGE_BUILDDIR/build-info"
 	if [ $? -ne 0 ]; then
 		rm -f "${PORTAGE_BINPKG_TMPFILE}"
 		die "Failed to append metadata to the tbz2 file"
diff --git a/bin/xpak-helper.py b/bin/xpak-helper.py
new file mode 100755
index 000000000..e6e8680e0
--- /dev/null
+++ b/bin/xpak-helper.py
@@ -0,0 +1,69 @@
+#!/usr/bin/python
+# Copyright 2009 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+import optparse
+import sys
+import portage
+from portage import os
+
+def command_recompose(args):
+
+	usage = "usage: recompose <binpkg_path> <metadata_dir>\n"
+
+	if len(args) != 2:
+		sys.stderr.write(usage)
+		sys.stderr.write("2 arguments are required, got %s\n" % len(args))
+		return 1
+
+	binpkg_path, metadata_dir = args
+
+	if not os.path.isfile(binpkg_path):
+		sys.stderr.write(usage)
+		sys.stderr.write("Argument 1 is not a regular file: '%s'\n" % \
+			binpkg_path)
+		return 1
+
+	if not os.path.isdir(metadata_dir):
+		sys.stderr.write(usage)
+		sys.stderr.write("Argument 2 is not a directory: '%s'\n" % \
+			metadata_dir)
+		return 1
+
+	t = portage.xpak.tbz2(binpkg_path)
+	t.recompose(metadata_dir)
+	return os.EX_OK
+
+def main(argv):
+
+	if argv and sys.hexversion < 0x3000000 and not isinstance(argv[0], unicode):
+		for i, x in enumerate(argv):
+			argv[i] = portage._unicode_decode(x, errors='strict')
+
+	valid_commands = ('recompose',)
+	description = "Perform metadata operations on a binary package."
+	usage = "usage: %s COMMAND [args]" % \
+		os.path.basename(argv[0])
+
+	parser = optparse.OptionParser(description=description, usage=usage)
+	options, args = parser.parse_args(argv[1:])
+
+	if not args:
+		parser.error("missing command argument")
+
+	command = args[0]
+
+	if command not in valid_commands:
+		parser.error("invalid command: '%s'" % command)
+
+	if command == 'recompose':
+		rval = command_recompose(args[1:])
+	else:
+		raise AssertionError("invalid command: '%s'" % command)
+
+	return rval
+
+if __name__ == "__main__":
+	rval = main(sys.argv[:])
+	sys.exit(rval)