Disable UI if an error occurs and if an export module is enabled #2589

2 files changed, 17 insertions, 4 deletions

diff --git a/glances/outputs/glances_curses.py b/glances/outputs/glances_curses.py
index e078e9b1..ea6da7cd 100644
--- a/glances/outputs/glances_curses.py
+++ b/glances/outputs/glances_curses.py
@@ -139,10 +139,19 @@ class _GlancesCurses(object):
         self.space_between_line = 2
 
         # Init the curses screen
-        self.screen = curses.initscr()
-        if not self.screen:
-            logger.critical("Cannot init the curses library.\n")
-            sys.exit(1)
+        try:
+            self.screen = curses.initscr()
+            if not self.screen:
+                logger.critical("Cannot init the curses library.\n")
+                sys.exit(1)
+        except Exception as e:
+            if args.export:
+                logger.info("Cannot init the curses library, quiet mode on and export.")
+                args.quiet = True
+                return
+            else:
+                logger.critical("Cannot init the curses library ({})".format(e))
+                sys.exit(1)
 
         # Load the 'outputs' section of the configuration file
         # - Init the theme (default is black)
diff --git a/glances/standalone.py b/glances/standalone.py
index 8ea5400a..a1e62e59 100644
--- a/glances/standalone.py
+++ b/glances/standalone.py
@@ -105,6 +105,10 @@ class GlancesStandalone(object):
             # Init screen
             self.screen = GlancesCursesStandalone(config=config, args=args)
 
+            # If an error occur during the screen init, continue if export option is set
+            # It is done in the screen.init function
+            self._quiet = args.quiet
+
         # Check the latest Glances version
         self.outdated = Outdated(config=config, args=args)