Add python3 support

pisi-cli

@@ -13,7 +13,6 @@
 import sys
 import errno
 import traceback
-import exceptions
 import signal
 
 import pisi
@@ -24,21 +23,24 @@ import gettext
 gettext.bindtextdomain('pisi', "/usr/share/locale")
 gettext.textdomain('pisi')
 __trans = gettext.translation('pisi', fallback=True)
-_ = __trans.ugettext
+_ = __trans.gettext
+
 
 def sig_handler(sig, frame):
     if sig == signal.SIGTERM:
         exit()
 
+
 def exit():
     sys.exit(1)
 
+
 def handle_exception(exception, value, tb):
     signal.signal(signal.SIGINT, signal.SIG_IGN)   # disable further interrupts
-    ui = pisi.cli.CLI() # make a temporary UI
+    ui = pisi.cli.CLI()  # make a temporary UI
     show_traceback = False
 
-    if exception == exceptions.KeyboardInterrupt:
+    if exception == KeyboardInterrupt:
         ui.error(_("Keyboard Interrupt: Exiting..."))
         exit()
     elif isinstance(value, pisi.Error):
@@ -73,6 +75,7 @@ def handle_exception(exception, value, tb):
 
     exit()
 
+
 if __name__ == "__main__":
     sys.excepthook = handle_exception