exception_hook - fix traceback to show last <limit> lines instead of first

[erebus.git] / modules / exception_hook.py

# Erebus IRC bot - Author: Erebus Team
# vim: fileencoding=utf-8
# This file is released into the public domain; see http://unlicense.org/

# module info
modinfo = {
	'author': 'Erebus Team',
	'license': 'public domain',
	'compatible': [0], # compatible module API versions
	'depends': [], # other modules required to work properly?
	'softdeps': [], # modules which are preferred but not required
}

# preamble
import modlib
lib = modlib.modlib(__name__)
modstart = lib.modstart
modstop = lib.modstop

# module code
import traceback

@lib.hookexception(Exception)
def got_exception(bot, exc, source, *args, **kwargs):
	dest = lib.parent.cfg.get('exception_hook', 'destination')
	if dest is not None:
		bot.msg(dest, '%s exception: %r %r' % (source, args, kwargs))
		for line in traceback.format_exc(limit=-lib.parent.cfg.getint('exception_hook', 'limit', 5)).split("\n"):
			bot.msg(dest, (' '*4) + line)