Source code for habitat.utils.quick_traceback

# Copyright 2013 (C) Daniel Richman
# This file is part of habitat.
# habitat is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# habitat is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with habitat.  If not, see <>.

"""Quick traceback module shortcuts for logging"""

import sys
import traceback

[docs]def oneline(exc_value=None): """ Return a single line describing 'exc_value' *exc_value* shold be either an Exception instance, for example, acquired via 'except ValueError as e:'; or None, in which case the exception currently being handled is used. The string returned is the last line of Python's normal traceback; something like 'ValueError: some message', with no newline. """ if exc_value is None: (exc_type, exc_value, discard_tb) = sys.exc_info() else: exc_type = type(exc_value) exc_tb = traceback.format_exception_only(exc_type, exc_value) info = exc_tb[-1].strip() return info