python 3 only. Fixes all EncodingError bugs :))))

14 files changed, 160 insertions, 185 deletions

diff --git a/launch.sh b/launch.sh
index 9024603e..b4b2384f 100644
--- a/launch.sh
+++ b/launch.sh
@@ -1,4 +1,4 @@
 #!/usr/bin/env sh
 
-cd src/ && python poezio.py "$@"
+cd src/ && python3 poezio.py "$@"
 
diff --git a/src/common.py b/src/common.py
index 75a0b940..dce4b382 100644
--- a/src/common.py
+++ b/src/common.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # some functions coming from gajim sources (thanks)
 
 ## Copyright (C) 2003-2008 Yann Leboulanger <asterix AT lagaule.org>
@@ -188,7 +186,7 @@ def temp_failure_retry(func, *args, **kwargs):
     while True:
         try:
             return func(*args, **kwargs)
-        except (os.error, IOError, select.error), ex:
+        except (os.error, IOError, select.error) as ex:
             if ex.errno == errno.EINTR:
                 continue
             else:
diff --git a/src/config.py b/src/config.py
index 73674711..3756ef56 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2009 chickenzilla
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
@@ -22,7 +20,7 @@ Defines the global config instance, used to get or set (and save) values
 from/to the config file
 """
 
-from ConfigParser import RawConfigParser, NoOptionError
+from configparser import RawConfigParser, NoOptionError
 from os import environ, makedirs, path
 from shutil import copy2
 try:
diff --git a/src/connection.py b/src/connection.py
index 9b315539..b00bc014 100644
--- a/src/connection.py
+++ b/src/connection.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
diff --git a/src/gui.py b/src/gui.py
index 51101a3e..db13d6e4 100644
--- a/src/gui.py
+++ b/src/gui.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -78,7 +76,7 @@ class Gui(object):
         self.ignores = {}
 
         self.commands = {
-            'help': (self.command_help, u'\_o< KOIN KOIN KOIN'),
+            'help': (self.command_help, '\_o< KOIN KOIN KOIN'),
             'join': (self.command_join, _("Usage: /join [room_name][@server][/nick] [password]\nJoin: Join the specified room. You can specify a nickname after a slash (/). If no nickname is specified, you will use the default_nick in the configuration file. You can omit the room name: you will then join the room you\'re looking at (useful if you were kicked). You can also provide a room_name without specifying a server, the server of the room you're currently in will be used. You can also provide a password to join the room.\nExamples:\n/join room@server.tld\n/join room@server.tld/John\n/join room2\n/join /me_again\n/join\n/join room@server.tld/my_nick password\n/join / password")),
             'quit': (self.command_quit, _("Usage: /quit\nQuit: Just disconnect from the server and exit poezio.")),
             'exit': (self.command_quit, _("Usage: /exit\nExit: Just disconnect from the server and exit poezio.")),
@@ -215,7 +213,7 @@ class Gui(object):
             if from_nick not in [user.nick for user in room.users]:
                 new_user = User(from_nick, affiliation, show, status, role)
                 room.users.append(new_user)
-                if from_nick.encode('utf-8') == room.own_nick:
+                if from_nick == room.own_nick:
                     room.joined = True
                     new_user.color = theme.COLOR_OWN_NICK
                     self.add_message_to_room(room, _("Your nickname is %s") % (from_nick))
@@ -333,7 +331,7 @@ class Gui(object):
             msg += _('affiliation: %s,') % affiliation
         if role != user.role:
             msg += _('role: %s,') % role
-        if show != user.show and show in SHOW_NAME.keys():
+        if show != user.show and show in list(SHOW_NAME.keys()):
             msg += _('show: %s,') % SHOW_NAME[show]
         if status != user.status:
             msg += _('status: %s,') % status
@@ -378,7 +376,7 @@ class Gui(object):
         room_from = jid.bare
         room = self.get_room_by_name(jid.full) # get the tab with the private conversation
         if not room: # It's the first message we receive: create the tab
-            room = self.open_private_window(room_from, nick_from.encode('utf-8'), False)
+            room = self.open_private_window(room_from, nick_from, False)
             if not room:
                 return
         body = message['body']
@@ -407,16 +405,12 @@ class Gui(object):
         while True:
             doupdate()
             char=read_char(self.stdscr)
-            try: # if this is not a valide utf-8 char, discard it
-                char.decode('utf-8')
-            except UnicodeDecodeError:
-                continue
             # search for keyboard shortcut
-            if char in self.key_func.keys():
+            if char in list(self.key_func.keys()):
                 self.key_func[char]()
             else:
-                if len(char.decode('utf-8')) > 1:
-                    continue    # ignore non-handled keyboard shortcuts
+                # if len(char) > 1:
+                #     continue    # ignore non-handled keyboard shortcuts
                 self.window.do_command(char)
 
     def current_room(self):
@@ -430,12 +424,8 @@ class Gui(object):
         returns the room that has this name
         """
         for room in self.rooms:
-            try:
-                if room.name.decode('utf-8') == name:
-                    return room
-            except UnicodeEncodeError:
-                if room.name == name:
-                    return room
+            if room.name == name:
+                return room
         return None
 
     def init_curses(self, stdscr):
@@ -485,19 +475,20 @@ class Gui(object):
         """
         Called when Tab is pressed, complete the nickname in the input
         """
-        def compare_users(a, b):
-            """
-            Used to sort users by their last_talked
-            """
-            if not a.last_talked and b.last_talked:
-                return 0
-            elif not b.last_talked and a.last_talked:
-                return 1
-            if a.last_talked <  b.last_talked:
-                return 1
-            else:
-                return -1
-        self.window.input.auto_completion([user.nick for user in sorted(self.current_room().users, compare_users)])
+        # def compare_users(a, b):
+        #     """
+        #     Used to sort users by their last_talked
+        #     """
+        #     if not a.last_talked and b.last_talked:
+        #         return 0
+        #     elif not b.last_talked and a.last_talked:
+        #         return 1
+        #     if a.last_talked <  b.last_talked:
+        #         return 1
+        #     else:
+        #         return -1
+        compare_users = lambda x: x.last_talked
+        self.window.input.auto_completion([user.nick for user in sorted(self.current_room().users, key=compare_users)])
 
     def last_words_completion(self):
         """
@@ -513,7 +504,7 @@ class Gui(object):
                 for char in char_we_dont_want: # remove the chars we don't want
                     word = word.replace(char, '')
                 if len(word) > 5:
-                    words.append(word.encode('utf-8'))
+                    words.append(word)
         self.window.input.auto_completion(words)
 
     def go_to_important_room(self):
@@ -576,7 +567,7 @@ class Gui(object):
         code = error['error']['code']
         body = error['error']['text']
         if not body:
-            if code in ERROR_AND_STATUS_CODES.keys():
+            if code in list(ERROR_AND_STATUS_CODES.keys()):
                 body = ERROR_AND_STATUS_CODES[code]
             else:
                 body = condition or _('Unknown error')
@@ -596,7 +587,7 @@ class Gui(object):
         self.refresh_window()
 
     def open_private_window(self, room_name, user_nick, focus=True):
-        complete_jid = room_name.decode('utf-8')+'/'+user_nick
+        complete_jid = room_name+'/'+user_nick
         for room in self.rooms: # if the room exists, focus it and return
             if room.jid:
                 if room.jid == complete_jid:
@@ -646,7 +637,7 @@ class Gui(object):
         if nick_from == room_from:
             nick_from = None
         room = self.get_room_by_name(room_from)
-        if (self.ignores.has_key(room_from)) and (nick_from in self.ignores[room_from]):
+        if (room_from in self.ignores) and (nick_from in self.ignores[room_from]):
             return
         room = self.get_room_by_name(room_from)
         if not room:
@@ -659,7 +650,7 @@ class Gui(object):
                 self.add_message_to_room(room, _("%(nick)s changed the subject to: %(subject)s") % {'nick':nick_from, 'subject':subject}, time=date)
             else:
                 self.add_message_to_room(room, _("The subject is: %(subject)s") % {'subject':subject}, time=date)
-            room.topic = subject.encode('utf-8').replace('\n', '|')
+            room.topic = subject.replace('\n', '|')
             if room == self.current_room():
                 self.window.topic_win.refresh(room.topic)
         elif body:
@@ -699,7 +690,7 @@ class Gui(object):
             command = line.strip()[:].split()[0][1:]
             arg = line[2+len(command):] # jump the '/' and the ' '
             # example. on "/link 0 open", command = "link" and arg = "0 open"
-            if command in self.commands.keys():
+            if command in list(self.commands.keys()):
                 func = self.commands[command][0]
                 func(arg)
                 return
@@ -708,7 +699,7 @@ class Gui(object):
         elif self.current_room().name != 'Info':
             if self.current_room().jid is not None:
                 muc.send_private_message(self.xmpp, self.current_room().name, line)
-                self.add_message_to_room(self.current_room(), line.decode('utf-8'), None, self.current_room().own_nick.decode('utf-8'))
+                self.add_message_to_room(self.current_room(), line, None, self.current_room().own_nick)
             else:
                 muc.send_groupchat_message(self.xmpp, self.current_room().name, line)
         self.window.input.refresh()
@@ -722,11 +713,11 @@ class Gui(object):
         room = self.current_room()
         if len(args) == 0:
             msg = _('Available commands are: ')
-            for command in self.commands.keys():
+            for command in list(self.commands.keys()):
                 msg += "%s " % command
             msg += _("\nType /help <command_name> to know what each command does")
         if len(args) == 1:
-            if args[0] in self.commands.keys():
+            if args[0] in list(self.commands.keys()):
                 msg = self.commands[args[0]][1]
             else:
                 msg = _('Unknown command: %s') % args[0]
@@ -811,7 +802,7 @@ class Gui(object):
         if self.current_room().name != 'Info':
             if self.current_room().jid is not None:
                 muc.send_private_message(self.xmpp, self.current_room().name, line)
-                self.add_message_to_room(self.current_room(), line.decode('utf-8'), None, self.current_room().own_nick)
+                self.add_message_to_room(self.current_room(), line, None, self.current_room().own_nick)
             else:
                 muc.send_groupchat_message(self.xmpp, self.current_room().name, line)
         self.window.input.refresh()
@@ -942,7 +933,7 @@ class Gui(object):
                          }
         if len(args) < 1:
             return
-        if not args[0] in possible_show.keys():
+        if not args[0] in list(possible_show.keys()):
             self.command_help('show')
             return
         show = possible_show[args[0]]
@@ -966,7 +957,7 @@ class Gui(object):
             return
         roomname = self.current_room().name
         nick = args[0]
-        if not self.ignores.has_key(roomname):
+        if roomname not in self.ignores:
             self.ignores[roomname] = set() # no need for any order
         if nick not in self.ignores[roomname]:
             self.ignores[roomname].add(nick)
@@ -986,7 +977,7 @@ class Gui(object):
             return
         roomname = self.current_room().name
         nick = args[0]
-        if not self.ignores.has_key(roomname) or (nick not in self.ignores[roomname]):
+        if roomname not in self.ignores or (nick not in self.ignores[roomname]):
             self.add_message_to_room(self.current_room(), _("%s was not ignored") % nick)
             return
         self.ignores[roomname].remove(nick)
@@ -1052,11 +1043,11 @@ class Gui(object):
             return
         for user in room.users:
             if user.nick == nick:
-                r = self.open_private_window(room.name, user.nick.decode('utf-8'))
+                r = self.open_private_window(room.name, user.nick)
         if r and len(args) > 1:
             msg = arg[len(nick)+1:]
             muc.send_private_message(r.name, msg)
-            self.add_message_to_room(r, msg.decode('utf-8'), None, r.own_nick)
+            self.add_message_to_room(r, msg, None, r.own_nick)
 
     def command_topic(self, arg):
         """
@@ -1065,7 +1056,7 @@ class Gui(object):
         args = arg.split()
         room = self.current_room()
         if len(args) == 0:
-            self.add_message_to_room(room, _("The subject of the room is: %s") % room.topic.decode('utf-8'))
+            self.add_message_to_room(room, _("The subject of the room is: %s") % room.topic)
             return
         subject = ' '.join(args)
         if not room.joined or room.name == "Info":
diff --git a/src/handler.py b/src/handler.py
index 5542a7a1..dd848061 100644
--- a/src/handler.py
+++ b/src/handler.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # Copyright 2009, 2010 Erwan Briand
 # Copyright 2010, Florent Le Coz <louizatakk@fedoraproject.org>
 
@@ -80,6 +78,6 @@ class Handler(Singleton):
 
     def emit(self, signal, **kwargs):
         """Emit a signal."""
-        if self.__signals__.has_key(signal):
+        if signal in self.__signals__:
             for func in self.__signals__[signal]:
                 func(**kwargs)
diff --git a/src/keyboard.py b/src/keyboard.py
index 9fdef730..06bad196 100644
--- a/src/keyboard.py
+++ b/src/keyboard.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -26,6 +24,9 @@ shortcut, like ^A, M-a or KEY_RESIZE)
 def get_next_byte(s):
     """
     Read the next byte of the utf-8 char
+    ncurses seems to return a string of the byte
+    encoded in latin-1. So what we get is NOT what we typed
+    unless we do the conversion…
     """
     try:
         c = s.getkey()
@@ -33,7 +34,7 @@ def get_next_byte(s):
         return (None, "KEY_RESIZE")
     if len(c) >= 4:
         return (None, c)
-    return (ord(c), c)
+    return (ord(c), c.encode('latin-1')) # returns a number and a bytes object
 
 def read_char(s):
     """
@@ -47,10 +48,10 @@ def read_char(s):
         return "KEY_BACKSPACE"
     if first < 127:  # ASCII char on one byte
         if first <= 26:         # transform Ctrl+* keys
-            char =  "^"+chr(first + 64)
+            return  "^"+chr(first + 64)
         if first == 27:
             (first, c) = get_next_byte(s)
-            char = "M-"+c
+            return "M-"+c
     if 194 <= first:
         (code, c) = get_next_byte(s) # 2 bytes char
         char += c
@@ -60,4 +61,11 @@ def read_char(s):
     if 240 <= first:
         (code, c) = get_next_byte(s) # 4 bytes char
         char += c
-    return char
+    return char.decode('utf-8')# return all the concatened byte objets, decoded
+
+if __name__ == '__main__':
+    import curses
+    s = curses.initscr()
+    curses.noecho()
+    while True:
+        s.addstr('%s\n' % read_char(s))
diff --git a/src/logger.py b/src/logger.py
index 1134244f..2070c2a6 100644
--- a/src/logger.py
+++ b/src/logger.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -69,12 +67,9 @@ class Logger(object):
             fd = open(dir+room, 'a')
         except IOError:
             return
-        try:
-            msg = msg.encode('utf-8')
-        except:
-            pass
+        msg = msg
         if nick:
-            fd.write(datetime.now().strftime('%d-%m-%y [%H:%M:%S] ')+nick.encode('utf-8')+': '+msg+'\n')
+            fd.write(datetime.now().strftime('%d-%m-%y [%H:%M:%S] ')+nick+': '+msg+'\n')
         else:
             fd.write(datetime.now().strftime('%d-%m-%y [%H:%M:%S] ')+'* '+msg+'\n')
         fd.close()
diff --git a/src/message.py b/src/message.py
index 078bc8fd..db355435 100644
--- a/src/message.py
+++ b/src/message.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
diff --git a/src/poezio.py b/src/poezio.py
index 22af358e..27bc359a 100644
--- a/src/poezio.py
+++ b/src/poezio.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python
-# -*- coding:utf-8 -*-
+#!/usr/bin/env python3
 #
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
@@ -42,21 +41,21 @@ class MyStdErr(object):
         sys.stderr.close()
         sys.stderr = self.old_stderr
 
-my_stderr = MyStdErr(open('/dev/null', 'a'))
+# 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)
-    import os                   # used to quit the program even from a thread
-    os.abort()
+# 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)
+#     import os                   # used to quit the program even from a thread
+#     os.abort()
 
-sys.excepthook = exception_handler
+# sys.excepthook = exception_handler
 
 import signal
 
diff --git a/src/room.py b/src/room.py
index 4fd7a799..e8bbd838 100644
--- a/src/room.py
+++ b/src/room.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -70,9 +68,9 @@ class Room(object):
         Set the tab color and returns the txt color
         """
         color = theme.COLOR_NORMAL_TEXT
-        if not time and nickname and nickname.encode('utf-8') != self.own_nick and self.joined: # do the highlight
+        if not time and nickname and nickname != self.own_nick and self.joined: # do the highlight
             try:
-                if self.own_nick in txt.encode('utf-8'):
+                if self.own_nick in txt:
                     self.set_color_state(theme.COLOR_TAB_HIGHLIGHT)
                     color = theme.COLOR_HIGHLIGHT_TEXT
             except UnicodeDecodeError:
@@ -134,7 +132,7 @@ class Room(object):
 
     def get_user_by_name(self, nick):
         for user in self.users:
-            if user.nick == nick.encode('utf-8'):
+            if user.nick == nick:
                 return user
         return None
 
diff --git a/src/theme.py b/src/theme.py
index 862a8655..e8100a62 100644
--- a/src/theme.py
+++ b/src/theme.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -154,7 +152,7 @@ if __name__ == '__main__':
     s = curses.initscr()
     curses.start_color()
     curses.use_default_colors()
-    for i in xrange(80):
+    for i in range(80):
         s.attron(curses.color_pair(i))
         s.addstr(str(i))
         s.attroff(curses.color_pair(i))
diff --git a/src/user.py b/src/user.py
index 646d8bd1..252764ae 100644
--- a/src/user.py
+++ b/src/user.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -22,6 +20,12 @@ from datetime import timedelta, datetime
 import curses
 import theme
 
+ROLE_DICT = {
+    'none':0,
+    'visitor':1,
+    'participant':2,
+    'moderator':3
+    }
 class User(object):
     """
     keep trace of an user in a Room
@@ -29,7 +33,7 @@ class User(object):
     def __init__(self, nick, affiliation, show, status, role):
         from common import debug
         debug('NEW USER: nick:%s, affiliation:%s, show:%s, status:%s, role:%s\n' % (nick, affiliation, show, status, role))
-        self.last_talked = None
+        self.last_talked = datetime(1, 1, 1) # The oldest possible time
         self.update(affiliation, show, status, role)
         self.change_nick(nick)
         self.color = choice(theme.LIST_COLOR_NICKNAMES)
@@ -41,7 +45,7 @@ class User(object):
         self.role = role
 
     def change_nick(self, nick):
-        self.nick = nick.encode('utf-8')
+        self.nick = nick
 
     def set_last_talked(self, time):
         """
@@ -63,3 +67,26 @@ class User(object):
 
     def __repr__(self):
         return ">%s<" % (self.nick.decode('utf-8'))
+
+    def __eq__(self, b):
+        return self.role == b.role and self.nick.lower() == b.nick.lower()
+
+    def __gt__(self, b):
+        if ROLE_DICT[self.role] == ROLE_DICT[b.role]:
+            return self.nick.lower() > b.nick.lower()
+        return ROLE_DICT[self.role] < ROLE_DICT[b.role]
+
+    def __ge__(self, b):
+        if ROLE_DICT[self.role] == ROLE_DICT[b.role]:
+            return self.nick.lower() >= b.nick.lower()
+        return ROLE_DICT[self.role] <= ROLE_DICT[b.role]
+
+    def __lt__(self, b):
+        if ROLE_DICT[self.role] == ROLE_DICT[b.role]:
+            return self.nick.lower() < b.nick.lower()
+        return ROLE_DICT[self.role] > ROLE_DICT[b.role]
+
+    def __le__(self, b):
+        if ROLE_DICT[self.role] == ROLE_DICT[b.role]:
+            return self.nick.lower() <= b.nick.lower()
+        return ROLE_DICT[self.role] >= ROLE_DICT[b.role]
diff --git a/src/window.py b/src/window.py
index 8054903a..b4db51eb 100644
--- a/src/window.py
+++ b/src/window.py
@@ -1,5 +1,3 @@
-# -*- coding:utf-8 -*-
-#
 # Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
 #
 # This file is part of Poezio.
@@ -63,52 +61,31 @@ class UserList(Win):
         self.color_role = {'moderator': theme.COLOR_USER_MODERATOR,
                            'participant':theme.COLOR_USER_PARTICIPANT,
                            'visitor':theme.COLOR_USER_VISITOR,
-                           'none':theme.COLOR_USER_NONE
+                           'none':theme.COLOR_USER_NONE,
+                           '':theme.COLOR_USER_NONE
                            }
         self.color_show = {'xa':theme.COLOR_STATUS_XA,
-                           'None':theme.COLOR_STATUS_NONE,
+                           'none':theme.COLOR_STATUS_NONE,
+                           '':theme.COLOR_STATUS_NONE,
                            'dnd':theme.COLOR_STATUS_DND,
                            'away':theme.COLOR_STATUS_AWAY,
                            'chat':theme.COLOR_STATUS_CHAT
                            }
 
     def refresh(self, users):
-        def compare_user(a, b):
-            try:
-                arole = self.color_role[a.role]
-            except KeyError:
-                arole = 5
-            try:
-                brole = self.color_role[b.role]
-            except KeyError:
-                brole = 5
-            if arole == brole:
-                if a.nick.lower() < b.nick.lower():
-                    return -1
-                return 1
-            return arole - brole
         if not self.visible:
             return
         g_lock.acquire()
         self.win.erase()
         y = 0
-        for user in sorted(users, compare_user):
-            try:
-                role_col = self.color_role[user.role]
-            except KeyError:
-                role_col = theme.COLOR_USER_NONE
-            try:
-                show_col = self.color_show[user.show]
-            except KeyError:
-                show_col = theme.COLOR_STATUS_NONE
+        for user in sorted(users):#sorted(users, compare_user):
+            role_col = self.color_role[user.role]
+            show_col = self.color_show[user.show]
             self.win.attron(curses.color_pair(show_col))
             self.win.addnstr(y, 0, theme.CHAR_STATUS, 1)
             self.win.attroff(curses.color_pair(show_col))
             self.win.attron(curses.color_pair(role_col))
-            try:
-                self.win.addnstr(y, 1, user.nick, self.width-1)
-            except:
-                pass
+            self.win.addnstr(y, 1, user.nick, self.width-1)
             self.win.attroff(curses.color_pair(role_col))
             y += 1
             if y == self.height:
@@ -136,20 +113,17 @@ class Topic(Win):
         g_lock.acquire()
         self.win.erase()
         if not jid:
-            try:
-                self.win.addstr(0, 0, topic, curses.color_pair(theme.COLOR_TOPIC_BAR))
-                while True:
-                    try:
-                        self.win.addch(' ', curses.color_pair(theme.COLOR_TOPIC_BAR))
-                    except:
-                        break
-            except:
-                pass
+            self.win.addnstr(0, 0, topic[:self.width], curses.color_pair(theme.COLOR_TOPIC_BAR))
+            while True:
+                try:
+                    self.win.addch(' ', curses.color_pair(theme.COLOR_TOPIC_BAR))
+                except:
+                    break
         elif jid:
             room = jid.split('/')[0]
             nick = '/'.join(jid.split('/')[1:])
             topic = _('%(nick)s from room %(room)s' % {'nick': nick, 'room':room})
-            self.win.addnstr(0, 0, topic.encode('utf-8') + " "*(self.width-len(topic)), self.width-1
+            self.win.addnstr(0, 0, topic + " "*(self.width-len(topic)), self.width-1
                              , curses.color_pair(theme.COLOR_PRIVATE_ROOM_BAR))
 
         self.win.refresh()
@@ -175,29 +149,24 @@ class RoomInfo(Win):
     def refresh(self, rooms, current):
         if not self.visible:
             return
-        def compare_room(a, b):
-            return a.nb - b.nb
+        def compare_room(a):
+            # return a.nb - b.nb
+            return a.nb
+        comp = lambda x: x.nb
         g_lock.acquire()
         self.win.erase()
         self.win.addnstr(0, 0, "[", self.width
                          ,curses.color_pair(theme.COLOR_INFORMATION_BAR))
-        sorted_rooms = sorted(rooms, compare_room)
+        sorted_rooms = sorted(rooms, key=comp)
         for room in sorted_rooms:
             color = room.color_state
             try:
                 self.win.addstr("%s" % str(room.nb), curses.color_pair(color))
-                self.win.addstr(u"|".encode('utf-8'), curses.color_pair(theme.COLOR_INFORMATION_BAR))
+                self.win.addstr("|", curses.color_pair(theme.COLOR_INFORMATION_BAR))
             except:             # end of line
                 break
         (y, x) = self.win.getyx()
-        try:
-            self.win.addstr(y, x-1, '] '+ current.name, curses.color_pair(theme.COLOR_INFORMATION_BAR))
-        except:
-            try:
-                self.win.addstr(y, x-1, '] '+ current.name.encode('utf-8'), curses.color_pair(theme.COLOR_INFORMATION_BAR))
-            except:
-                pass
-            pass
+        self.win.addstr(y, x-1, '] '+ current.name, curses.color_pair(theme.COLOR_INFORMATION_BAR))
         self.print_scroll_position(current)
         while True:
             try:
@@ -237,7 +206,7 @@ class TextWin(Win):
                 continue
             offset = 11         # length of the time
             if message.nickname and len(message.nickname) >= 30:
-                nick = message.nickname[:30]+u'…'
+                nick = message.nickname[:30]+'…'
             else:
                 nick = message.nickname
             if nick:
@@ -308,7 +277,7 @@ class TextWin(Win):
             if line.time is not None:
                 self.write_time(line.time)
             if line.nickname is not None:
-                self.write_nickname(line.nickname.encode('utf-8'), line.nickname_color)
+                self.write_nickname(line.nickname, line.nickname_color)
             self.write_text(y, line.text_offset, line.text, line.text_color, line.colorized)
             y += 1
         self.win.refresh()
@@ -318,14 +287,14 @@ class TextWin(Win):
         """
         """
         self.win.attron(curses.color_pair(theme.COLOR_NEW_TEXT_SEPARATOR))
-        self.win.addstr(' -'*(self.width/2))
+        self.win.addstr(' -'*(self.width//2))
         self.win.attroff(curses.color_pair(theme.COLOR_NEW_TEXT_SEPARATOR))
 
     def write_text(self, y, x, txt, color, colorized):
         """
         write the text of a line.
         """
-        txt = txt.encode('utf-8')
+        txt = txt
         if not colorized:
             if color:
                 self.win.attron(curses.color_pair(color))
@@ -344,7 +313,7 @@ class TextWin(Win):
                 theme.CHAR_KICK: theme.COLOR_KICK_CHAR,
                 }
             for word in txt.split():
-                if word in special_words.keys():
+                if word in list(special_words.keys()):
                     self.win.attron(curses.color_pair(special_words[word]))
                     self.win.addstr(word)
                     self.win.attroff(curses.color_pair(special_words[word]))
@@ -425,7 +394,7 @@ class Input(Win):
         self.win.leaveok(0)
         self.visible = visible
         self.history = []
-        self.text = u''
+        self.text = ''
         self.clipboard = None
         self.pos = 0            # cursor position
         self.line_pos = 0 # position (in self.text) of
@@ -442,7 +411,7 @@ class Input(Win):
         self._resize(height, width, y, x, stdscr)
         self.win.leaveok(0)
         self.win.clear()
-        self.win.addnstr(0, 0, self.text.encode('utf-8'), self.width-1)
+        self.win.addnstr(0, 0, self.text, self.width-1)
 
     def jump_word_left(self):
         """
@@ -454,7 +423,7 @@ class Input(Win):
         if previous_space == -1:
             previous_space = 0
         diff = self.pos+self.line_pos-previous_space
-        for i in xrange(diff):
+        for i in range(diff):
             self.key_left()
 
     def jump_word_right(self):
@@ -467,7 +436,7 @@ class Input(Win):
         if next_space == -1:
             next_space = len(self.text)
         diff = next_space - (self.pos+self.line_pos)
-        for i in xrange(diff):
+        for i in range(diff):
             self.key_right()
 
     def delete_word(self):
@@ -480,7 +449,7 @@ class Input(Win):
         if previous_space == -1:
             previous_space = 0
         diff = self.pos+self.line_pos-previous_space
-        for i in xrange(diff):
+        for i in range(diff):
             self.key_backspace(False)
         self.rewrite_text()
 
@@ -511,7 +480,7 @@ class Input(Win):
         if not self.clipboard or len(self.clipboard) == 0:
             return
         for letter in self.clipboard:
-            self.do_command(letter.encode('utf-8'))
+            self.do_command(letter)
 
     def key_dc(self):
         """
@@ -549,7 +518,7 @@ class Input(Win):
             self.key_end()
         else:
             self.histo_pos = len(self.history)-1
-            self.text = u''
+            self.text = ''
             self.pos = 0
             self.line_pos = 0
             self.rewrite_text()
@@ -648,7 +617,7 @@ class Input(Win):
         if not self.last_completion:
             # begin is the begining of the nick we want to complete
             if self.text.strip() != '':
-                begin = self.text.split()[-1].encode('utf-8').lower()
+                begin = self.text.split()[-1].lower()
             else:
                 begin = ''
             hit_list = []       # list of matching nicks
@@ -658,15 +627,15 @@ class Input(Win):
             if len(hit_list) == 0:
                 return
             self.hit_list = hit_list
-            end = len(begin.decode('utf-8'))
+            end = len(begin)
         else:
             begin = self.text[-len(after)-len(self.last_completion):-len(after)]
             self.hit_list.append(self.hit_list.pop(0)) # rotate list
-            end = len(begin.decode('utf-8')) + len(after)
+            end = len(begin) + len(after)
         self.text = self.text[:-end]
         nick = self.hit_list[0] # take the first hit
-        self.last_completion = nick.decode('utf-8')
-        self.text += nick.decode('utf-8') +after
+        self.last_completion = nick
+        self.text += nick +after
         self.key_end(False)
 
     def shell_completion(self, user_list):
@@ -679,7 +648,7 @@ class Input(Win):
             after = config.get('after_completion', ',')+" "
         (y, x) = self.win.getyx()
         if self.text != '':
-            begin = self.text.split()[-1].encode('utf-8').lower()
+            begin = self.text.split()[-1].lower()
         else:
             begin = ''
         hit_list = []       # list of matching nicks
@@ -709,14 +678,14 @@ class Input(Win):
                         break
             if end:
                 nick = nick[:-1]
-        x -= len(begin.decode('utf-8'))
-        self.text = self.text[:-len(begin.decode('utf-8'))]
-        self.text += nick.decode('utf-8')
+        x -= len(begin)
+        self.text = self.text[:-len(begin)]
+        self.text += nick
         self.key_end(False)
 
     def do_command(self, key, reset=True):
         self.reset_completion()
-        self.text = self.text[:self.pos+self.line_pos]+key.decode('utf-8')+self.text[self.pos+self.line_pos:]
+        self.text = self.text[:self.pos+self.line_pos]+key+self.text[self.pos+self.line_pos:]
         (y, x) = self.win.getyx()
         if x == self.width-1:
             self.line_pos += 1
@@ -730,20 +699,20 @@ class Input(Win):
         Clear the input and return the text entered so far
         """
         txt = self.text
-        self.text = u''
+        self.text = ''
         self.pos = 0
         self.line_pos = 0
         if len(txt) != 0:
             self.history.append(txt)
             self.histo_pos = len(self.history)-1
-        return txt.encode('utf-8')
+        return txt
 
     def rewrite_text(self):
         """
         Refresh the line onscreen, from the pos and pos_line
         """
         self.clear_text()
-        self.win.addstr(self.text[self.line_pos:self.line_pos+self.width-1].encode('utf-8'))
+        self.win.addstr(self.text[self.line_pos:self.line_pos+self.width-1])
         self.win.move(0, self.pos)
         self.refresh()
 
@@ -776,12 +745,12 @@ class Window(object):
             visible = True
         if visible:
             stdscr.attron(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
-            stdscr.vline(1, 9*(self.width/10), curses.ACS_VLINE, self.height-2)
+            stdscr.vline(1, 9*(self.width//10), curses.ACS_VLINE, self.height-2)
             stdscr.attroff(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
-        self.user_win = UserList(self.height-3, (self.width/10)-1, 1, 9*(self.width/10)+1, stdscr, visible)
+        self.user_win = UserList(self.height-3, (self.width//10)-1, 1, 9*(self.width//10)+1, stdscr, visible)
         self.topic_win = Topic(1, self.width, 0, 0, stdscr, visible)
         self.info_win = RoomInfo(1, self.width, self.height-2, 0, stdscr, visible)
-        self.text_win = TextWin(self.height-3, (self.width/10)*9, 1, 0, stdscr, visible)
+        self.text_win = TextWin(self.height-3, (self.width//10)*9, 1, 0, stdscr, visible)
         self.input = Input(1, self.width, self.height-1, 0, stdscr, visible)
 
     def resize(self, stdscr):
@@ -795,9 +764,9 @@ class Window(object):
             visible = True
         if visible:
             stdscr.attron(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
-            stdscr.vline(1, 9*(self.width/10), curses.ACS_VLINE, self.height-2)
+            stdscr.vline(1, 9*(self.width//10), curses.ACS_VLINE, self.height-2)
             stdscr.attroff(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
-        text_width = (self.width/10)*9;
+        text_width = (self.width//10)*9;
         self.topic_win.resize(1, self.width, 0, 0, stdscr, visible)
         self.info_win.resize(1, self.width, self.height-2, 0, stdscr, visible)
         self.text_win.resize(self.height-3, text_width, 1, 0, stdscr, visible)