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Merge branch 'newkernel' into trunk with all new Qt console work....
Merge branch 'newkernel' into trunk with all new Qt console work. This provides a new main script, ipython-qtconsole, that offers a rich Qt widget capable of multiline editing, inline plots, html help and much more. This branch was developed over the last two months mostly by Evan Patterson, Brian Granger and Fernando Perez, thanks to the support of Enthought, Inc. The code is now in a good prototype stage, and it's being merged into trunk where further work, polishing and stabilization will take place.

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sync_traceback_trap.py
53 lines | 1.7 KiB | text/x-python | PythonLexer
/ IPython / kernel / core / sync_traceback_trap.py
# encoding: utf-8
"""Object to manage sys.excepthook().
Synchronous version: prints errors when called.
"""
__docformat__ = "restructuredtext en"
#-------------------------------------------------------------------------------
# Copyright (C) 2008 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports
#-------------------------------------------------------------------------------
from traceback_trap import TracebackTrap
from IPython.core.ultratb import ColorTB
class SyncTracebackTrap(TracebackTrap):
""" TracebackTrap that displays immediatly the traceback in addition
to capturing it. Useful in frontends, as without this traceback trap,
some tracebacks never get displayed.
"""
def __init__(self, sync_formatter=None, formatters=None,
raiseException=True):
"""
sync_formatter: Callable to display the traceback.
formatters: A list of formatters to apply.
"""
TracebackTrap.__init__(self, formatters=formatters)
if sync_formatter is None:
sync_formatter = ColorTB(color_scheme='LightBG')
self.sync_formatter = sync_formatter
self.raiseException = raiseException
def hook(self, *args):
""" This method actually implements the hook.
"""
self.args = args
if not self.raiseException:
print self.sync_formatter(*self.args)
else:
raise