Merge pull request #3817 from viirya/check-home-dir

theano/gof/compiledir.py

@@ -241,7 +241,14 @@ def get_home_dir():
 if sys.platform == 'win32' and os.getenv('LOCALAPPDATA') is not None:
     default_base_compiledir = os.path.join(os.getenv('LOCALAPPDATA'), 'Theano')
 else:
-    default_base_compiledir = os.path.join(get_home_dir(), '.theano')
+    home_dir = get_home_dir()
+    if not os.access(home_dir, os.W_OK):
+        home_dir = '/tmp'
+        user = os.getenv('USER')
+        if user is not None:
+            home_dir = os.path.join(home_dir, user)
+
+    default_base_compiledir = os.path.join(home_dir, '.theano')
 
 
 AddConfigVar(