ArcBall.py 文件源码

def _test ():
    # This will run doctest's unit testing capability.
    # see http://www.python.org/doc/current/lib/module-doctest.html
    #
    # doctest introspects the ArcBall module for all docstrings
    # that look like interactive python sessions and invokes
    # the same commands then and there as unit tests to compare
    # the output generated. Very nice for unit testing and
    # documentation.
    import doctest, ArcBall
    return doctest.testmod (ArcBall)