From e9fe2856eca6695c40f9db366d76dcc9e6da5ce9 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Tue, 26 Jun 2018 01:33:12 +0300
Subject: [PATCH] Export PIOPYSITEDIR to system environment

---
 platformio/managers/core.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platformio/managers/core.py b/platformio/managers/core.py
index 3aa37fe7..c28de98b 100644
--- a/platformio/managers/core.py
+++ b/platformio/managers/core.py
@@ -107,6 +107,7 @@ def pioplus_call(args, **kwargs):
     pythonexe_path = util.get_pythonexe_path()
     os.environ['PYTHONEXEPATH'] = pythonexe_path
     os.environ['PYTHONPYSITEDIR'] = get_core_package_dir("contrib-pysite")
+    os.environ['PIOPYSITEDIR'] = dirname(util.get_source_dir() or "")
     os.environ['PATH'] = (os.pathsep).join(
         [dirname(pythonexe_path), os.environ['PATH']])
     util.copy_pythonpath_to_osenv()