Pythonスクリプトを走らせたときに，エラーになったらデバッガに入ってほしいときに使うと便利な関数メモ ref: http://qiita.com/LittleWat/items/79741b26a080c2dfb2f7

set_debugger.py

import sys

def set_debugger_org():
    if not sys.excepthook == sys.__excepthook__:
        from IPython.core import ultratb
        sys.excepthook = ultratb.FormattedTB(call_pdb=True)

def set_debugger_org_frc():
    from IPython.core import ultratb
    sys.excepthook = ultratb.FormattedTB(call_pdb=True)

def set_trace():
    from IPython.core.debugger import Pdb
    Pdb(color_scheme='Linux').set_trace(sys._getframe().f_back)