fixed #1587

1 files changed, 31 insertions, 1 deletions

diff --git a/src/common.py b/src/common.py
index 4406e4cb..456f73e5 100644
--- a/src/common.py
+++ b/src/common.py
@@ -43,9 +43,39 @@ import curses
 import sys
 import select
 import errno
-import xmpp
 import time
 
+class MyStdErr(object):
+    def __init__(self, fd):
+        """
+        Change sys.stderr to something like /dev/null
+        to disable any printout on the screen that would
+        mess everything
+        """
+        self.old_stderr = sys.stderr
+        sys.stderr = fd
+    def restaure(self):
+        """
+        Restaure the good ol' sys.stderr, because we need
+        it in order to print the tracebacks
+        """
+        sys.stderr = self.old_stderr
+
+my_stderr = MyStdErr(open('/dev/null', 'a'))
+
+def exception_handler(type_, value, trace):
+    """
+    on any traceback: exit ncurses and print the traceback
+    then exit the program
+    """
+    my_stderr.restaure()
+    curses.endwin()
+    curses.echo()
+    traceback.print_exception(type_, value, trace, None, sys.stderr)
+    sys.exit(2)
+
+import xmpp
+
 def debug(string):
     """
     Print a string in a file.