Fixes for Qt console

IPython/qt/console/ansi_code_processor.py

@@ -106,7 +106,7 b' class AnsiCodeProcessor(object):'
                 self.actions = []
             start = match.end()
 
-            groups = filter(lambda x: x is not None, match.groups())
+            groups = [g for g in match.groups() if (g is not None)]
             g0 = groups[0]
             if g0 == '\a':
                 self.actions.append(BeepAction('beep'))
@@ -129,7 +129,7 b' class AnsiCodeProcessor(object):'
                 if g0.startswith('['):
                     # Case 1: CSI code.
                     try:
-                        params = map(int, params)
+                        params = list(map(int, params))
                     except ValueError:
                         # Silently discard badly formed codes.
                         pass

IPython/qt/console/console_widget.py

@@ -21,7 +21,6 b' from IPython.config.configurable import LoggingConfigurable'
 from IPython.core.inputsplitter import ESC_SEQUENCES
 from IPython.qt.rich_text import HtmlExporter
 from IPython.qt.util import MetaQObjectHasTraits, get_font
-from IPython.utils.py3compat import with_metaclass
 from IPython.utils.text import columnize
 from IPython.utils.traitlets import Bool, Enum, Integer, Unicode
 from .ansi_code_processor import QtAnsiCodeProcessor
@@ -70,7 +69,7 b' def is_letter_or_number(char):'
 # Classes
 #-----------------------------------------------------------------------------
 
-class ConsoleWidget(with_metaclass(MetaQObjectHasTraits, type('NewBase', (LoggingConfigurable, QtGui.QWidget), {}))):
+class ConsoleWidget(MetaQObjectHasTraits('NewBase', (LoggingConfigurable, QtGui.QWidget), {})):
     """ An abstract base class for console-type widgets. This class has
         functionality for:
 
@@ -221,9 +220,9 b" class ConsoleWidget(with_metaclass(MetaQObjectHasTraits, type('NewBase', (Loggin"
 
     # The shortcuts defined by this widget. We need to keep track of these to
     # support 'override_shortcuts' above.
-    _shortcuts = set(_ctrl_down_remap.keys() +
-                     [ QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O,
-                       QtCore.Qt.Key_V ])
+    _shortcuts = set(_ctrl_down_remap.keys()) | \
+                     { QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O,
+                       QtCore.Qt.Key_V }
 
     _temp_buffer_filled = False