diff --git a/external/detect_site.py b/external/detect_site.py
new file mode 100644
index 0000000..cb4bc37
--- /dev/null
+++ b/external/detect_site.py
@@ -0,0 +1,3 @@
+import sys
+from distutils.sysconfig import get_python_lib
+print(get_python_lib(prefix=sys.argv[1]))