From 4f87ebdf0a3e20f14559fa6a87b888091ca37454 Mon Sep 17 00:00:00 2001
From: Nephiel <nephiel@nephiel.net>
Date: Wed, 24 Oct 2018 00:20:44 +0200
Subject: [PATCH] Recognize pip installs of RPi.GPIO (#1934)

Fixes "[warn] rpi-gpio : Cannot find Pi RPi.GPIO python library" when it is installed with pip using the default prefix (/usr/local).
---
 nodes/core/hardware/36-rpi-gpio.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/nodes/core/hardware/36-rpi-gpio.js b/nodes/core/hardware/36-rpi-gpio.js
index 0a21f578a..9afcd40dd 100644
--- a/nodes/core/hardware/36-rpi-gpio.js
+++ b/nodes/core/hardware/36-rpi-gpio.js
@@ -24,8 +24,12 @@ module.exports = function(RED) {
                 try {
                     fs.statSync("/usr/lib/python2.7/dist-packages/RPi/GPIO"); // test on Hypriot
                 } catch(err) {
-                    RED.log.warn("rpi-gpio : "+RED._("rpi-gpio.errors.libnotfound"));
-                    allOK = false;
+                    try {
+                        fs.statSync("/usr/local/lib/python2.7/dist-packages/RPi/GPIO"); // installed with pip
+                    } catch(err) {
+                        RED.log.warn("rpi-gpio : "+RED._("rpi-gpio.errors.libnotfound"));
+                        allOK = false;
+                    }
                 }
             }
         }