clean exit of curses console

src/bitmessagecurses/__init__.py

@@ -1,7 +1,9 @@
-"""
+# -*- coding: UTF-8 -*-
+# kate: syntax Python ;
+'''
 src/bitmessagecurses/__init__.py
 ================================
-"""
+'''
 
 # Copyright (c) 2014 Luke Montalvo <lukemontalvo@gmail.com>
 # This file adds a alternative commandline interface, feel free to critique and fork
@@ -145,8 +147,8 @@ def resetlookups():
 
 
 def drawtab(stdscr):                         # pylint: disable=too-many-branches, too-many-statements
-    """Method for drawing different tabs"""
-    if menutab in range(1, len(menu) + 1):
+    '''Method for drawing different tabs'''
+    if menutab in range(1, len(menu) + 1):   # pylint: disable=too-many-nested-blocks
         if menutab == 1:		# Inbox
             stdscr.addstr(3, 5, "To", curses.A_BOLD)
             stdscr.addstr(3, 40, "From", curses.A_BOLD)
@@ -253,6 +255,7 @@ def drawtab(stdscr):        # pylint: disable=too-many-branches, too-many-statem
             stdscr.addstr(6, 18, "Connections", curses.A_BOLD)
             stdscr.hline(7, 6, '-', 23)
             streamcount = []
+            try:
                 for host, stream in connected_hosts:
                     if stream >= len(streamcount):
                         streamcount.append(1)
@@ -265,7 +268,8 @@ def drawtab(stdscr):        # pylint: disable=too-many-branches, too-many-statem
                         else:
                             stdscr.addstr(8 + i, 6, str(i))
                         stdscr.addstr(8 + i, 18, str(item).ljust(2))
-
+            except:
+                pass
             # Uptime and processing data
             stdscr.addstr(6, 35, "Since startup on " + l10n.formatTimestamp(startuptime, False))
             stdscr.addstr(7, 40, "Processed " + str(
@@ -1202,7 +1206,11 @@ def runwrapper():
     curses.curs_set(0)
     stdscr.timeout(1000)
 
+    try:
         curses.wrapper(run)
+    except BaseException:
+        pass
+    finally:
         doShutdown()
 
 
@@ -1259,5 +1267,5 @@ def doShutdown():
     shutdown.doCleanShutdown()
     sys.stdout = sys.__stdout__
     sys.stderr = sys.__stderr__
-
+    curses.endwin()
     os._exit(0)         # pylint: disable=protected-access