gen_funcs.sh: expand_file(): Outsource embedded Python call

This will allow us to set proper shebang for dev-lang/python-exec[-native-symlinks]
support.

Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

2 files changed, 19 insertions, 1 deletions

diff --git a/gen_funcs.sh b/gen_funcs.sh
index ab7a7cea..72572299 100755
--- a/gen_funcs.sh
+++ b/gen_funcs.sh
@@ -1952,7 +1952,7 @@ expand_file() {
 	local file="${1}"
 	local expanded_file=
 
-	expanded_file=$(python -c "import os; print(os.path.expanduser('${file}'))" 2>/dev/null)
+	expanded_file=$("${GK_SHARE}/path_expander.py" "${file}" 2>/dev/null)
 	if [ -z "${expanded_file}" ]
 	then
 		# if Python failed for some reason, just reset
diff --git a/path_expander.py b/path_expander.py
new file mode 100755
index 00000000..82accad8
--- /dev/null
+++ b/path_expander.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+
+def main(argv):
+	if len(argv) != 1:
+		print(
+			"%s expects exactly one argument but %s were given!"
+			% (os.path.basename(__file__), len(argv)),
+			file=sys.stderr
+		)
+		sys.exit(1)
+
+	print(os.path.expanduser(argv[0]))
+
+if __name__ == "__main__":
+	main(sys.argv[1:])