Add instructions for Python home-directory installation

diff --git a/python/README b/python/README
index baee6c9f6d5fa272b6b2fcbe4f1ec90c4fd72a81..4c744e4582d438209fa01f9d9cc3f729fa2f5fa8 100644 (file)
--- a/python/README
+++ b/python/README
@@ -63,6 +63,14 @@ and system-wide installation.
 
     > pip install -e .
 
+    or
+
+    > pip install --user -e .
+
+    The option --user would install the package in the home directory
+    instead of the system directory, and thus does not require the
+    root privilege.
+
     Please note that you must keep the sources after the installation.
 
     For Windows, to run the above command, Microsoft Visual C++ and