ipdb on Exception AutoMagically!, Launch pdb or ipdb when an exception happens automatically.

ipdb_on_exception.py

def pdb_on_exception(debugger="pdb", limit=100):
    """Install handler attach post-mortem pdb console on an exception."""
    pass

    def pdb_excepthook(exc_type, exc_val, exc_tb):
        traceback.print_tb(exc_tb, limit=limit)
        __import__(str(debugger).strip().lower()).post_mortem(exc_tb)

    sys.excepthook = pdb_excepthook

ipdb_on_exception = lambda: pdb_on_exception("ipdb")
# ptpdb_on_exception = lambda: pdb_on_exception("ptpdb")  # See https://github.com/jonathanslenders/ptpdb/issues/14

> /home/juan/code/test.py (54) <module>

---> 54 ipdb_on_exception()
     55 0 / 0  # division by zero

ipdb>