#MUDPyE - (M)ulti-(U)ser (D)imension (Py)thon (E)ngine
#Copyright (C) 2005  Corey Staten

#This program 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 2
#of the License, or (at your option) any later version.

#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#Send feedback/questions to MUDPyE@gmail.com

import sys
import traceback

def format_exc(limit=None):
  """Like print_exc(), but returns a string.  Copied here for Python 2.3 compatibility."""
  try:
    etype, value, tb = sys.exc_info()
    return ''.join(traceback.format_exception(etype, value, tb, limit))
  finally:
    etype = value = tb = None
    
def format_exc_mud(limit=None):
  """Skips intermediate lines caused by lambdadized MudObject functions."""
  try:
    etype, value, tb = sys.exc_info()
    excList = traceback.format_exception(etype, value, tb, limit)
    excList = [excStr for excStr in excList if not((excStr.find("in __call__") != -1) and
               (excStr.find("return self.func(*args, **kwargs)") != -1))]
    return ''.join(excList)
  finally:
    etype = value = tb = None


def mud_traceback(mudWorld):
  mudWorld.mudTraceback.reverse()
  returnStr = "".join(("".join(mudWorld.mudTraceback), format_exc_mud()))
  mudWorld.mudTraceback = []
  return returnStr