io_helpers.py 文件源码

def api(self, destfile=None):
        """
        Prints application programming interface (API) information and returns.

        """
        localdef_dest = False
        if destfile == None:
            localdef_dest = True
            destfile = cStringIO.StringIO()

        print >>destfile, "Component " + self.__class__.__name__ + " :"
        PortSupplier.api(self, destfile=destfile)

        if localdef_dest:
            pydoc.pager(destfile.getvalue())
            destfile.close()