interfaces.py 文件源码

def __init__(self, xface):
        self.xface = xface

        if xface.is_installed():
            if xface.version_flag:
                v = xface.get_installed_version()
            else:
                v = INSTALLED
        else:
            v = MISSING

        self.maintext = ipy.HTML(
                ('<span class="nbv-table-row nbv-width-med nbv-monospace">'
                 '           {xface.name}</span> '
                 '<span class="nbv-table-row nbv-monospace nbv-width-sm">'
                 '                {localversion}</span> '
                 '<span class="nbv-table-row nbv-monospace nbv-width-sm">'
                 '                {xface.expectedversion}</span>'
                 '<span class="nbv-width-sm nbv-table-row">&nbsp;</span>'  # empty space
                 )
                    .format(xface=xface, localversion=v))

        self.selector = ipy.ToggleButtons(options=['in docker', 'locally'],
                                          value='in docker',
                                          button_style='info')
        self.selector.add_class('nbv-width-lg')
        self.selector.add_class("nbv-table-row")

        self.selector.observe(self._toggle, 'value')
        self.path = ipy.HTML(layout=ipy.Layout(width='150px', font_size='x-small'),
                              value=xface.path if xface.path is not None else '',)

        self.save_button = ipy.Button(description='Make default', layout=ipy.Layout(width='100px'))
        self.save_button.on_click(self.save_selection)
        self.save_button.add_class('nbv-table-row')

        children = [self.maintext, self.selector, self.save_button]

        super().__init__(children=children,
                         layout=ipy.Layout(width='100%', align_items='flex-end'))