_clientcookie.py 文件源码

def reraise_unmasked_exceptions(unmasked=()):
    # There are a few catch-all except: statements in this module, for
    # catching input that's bad in unexpected ways.
    # This function re-raises some exceptions we don't want to trap.
    import mechanize, warnings
    if not mechanize.USE_BARE_EXCEPT:
        raise
    unmasked = unmasked + (KeyboardInterrupt, SystemExit, MemoryError)
    etype = sys.exc_info()[0]
    if issubclass(etype, unmasked):
        raise
    # swallowed an exception
    import traceback, StringIO
    f = StringIO.StringIO()
    traceback.print_exc(None, f)
    msg = f.getvalue()
    warnings.warn("mechanize bug!\n%s" % msg, stacklevel=2)