test_pylabtools.py 文件源码

def test_inline_twice(self):
        "Using '%matplotlib inline' twice should not reset formatters"

        ip = self.Shell()
        gui, backend = ip.enable_matplotlib('inline')
        nt.assert_equal(gui, 'inline')

        fmts =  {'png'}
        active_mimes = {_fmt_mime_map[fmt] for fmt in fmts}
        pt.select_figure_formats(ip, fmts)

        gui, backend = ip.enable_matplotlib('inline')
        nt.assert_equal(gui, 'inline')

        for mime, f in ip.display_formatter.formatters.items():
            if mime in active_mimes:
                nt.assert_in(Figure, f)
            else:
                nt.assert_not_in(Figure, f)