Make display module compatible to all systems which supports .environ()

pupy/modules/display.py

@@ -4,7 +4,7 @@ from pupylib.utils.rpyc_utils import obtain
 
 __class_name__="Display"
 
-@config(compat="linux", cat="admin")
+@config(compat="posix", cat="admin")
 class Display(PupyModule):
     """ Set display variable """
 

pupy/packages/posix/all/display.py

@@ -93,7 +93,11 @@ def guess_displays():
     userinfos = {}
 
     for process in psutil.process_iter():
-        info = process.as_dict(['username', 'environ'])
+        try:
+            info = process.as_dict(['username', 'environ'])
+        except:
+            continue
+
         if info['username'] and info['environ']:
             if not 'DISPLAY' in info['environ']:
                 continue