__init__.py 文件源码

def main():
    '''Run module as a script

    Uses :py:func:`pdb.main` function directly, but prior to that it mocks 
    :py:class:`pdb.Pdb` class with powerline-specific class instance.
    '''
    orig_pdb = pdb.Pdb

    @use_powerline_prompt
    class Pdb(pdb.Pdb, object):
        def __init__(self):
            orig_pdb.__init__(self)

    pdb.Pdb = Pdb

    return pdb.main()