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
@@ -9,7 +11,7 @@ src/bitmessagecurses/__init__.py
 # This has only been tested on Arch Linux and Linux Mint
 # Dependencies:
 #  * from python2-pip
-#     * python2-pythondialog
+#  * python2-pythondialog
 #  * dialog
 
 import ConfigParser
@@ -144,9 +146,9 @@ def resetlookups():
     Timer(1, resetlookups, ()).start()
 
 
-def drawtab(stdscr):        # pylint: disable=too-many-branches, too-many-statements
-    """Method for drawing different tabs"""
-    if menutab in range(1, len(menu) + 1):
+def drawtab(stdscr):                         # pylint: disable=too-many-branches, too-many-statements
+    '''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)
@@ -253,19 +255,21 @@ 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 = []
-            for host, stream in connected_hosts:
-                if stream >= len(streamcount):
-                    streamcount.append(1)
-                else:
-                    streamcount[stream] += 1
-            for i, item in enumerate(streamcount):
-                if i < 4:
-                    if i == 0:
-                        stdscr.addstr(8 + i, 6, "?")
+            try:
+                for host, stream in connected_hosts:
+                    if stream >= len(streamcount):
+                        streamcount.append(1)
                     else:
-                        stdscr.addstr(8 + i, 6, str(i))
-                    stdscr.addstr(8 + i, 18, str(item).ljust(2))
-
+                        streamcount[stream] += 1
+                for i, item in enumerate(streamcount):
+                    if i < 4:
+                        if i == 0:
+                            stdscr.addstr(8 + i, 6, "?")
+                        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(
@@ -1202,8 +1206,12 @@ def runwrapper():
     curses.curs_set(0)
     stdscr.timeout(1000)
 
-    curses.wrapper(run)
-    doShutdown()
+    try:
+        curses.wrapper(run)
+    except BaseException:
+        pass
+    finally:
+        doShutdown()
 
 
 def run(stdscr):
@@ -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