def location()

in pci_lib/pci_lib.py [0:0]

• 24 lines of code
• 7 McCabe index (conditional complexity)

    def location(self):
        """
        A string describing how this device is connected to the system

        None if this is a built-in device
        """
        path = self.get_path()
        slotmap = get_dmidecode_pci_slots()
        connection = path[1:]
        if connection:
            pathels = []
            for dev in connection:
                pathpart = []
                dmislot = slotmap.get(dev.device_name)
                if dmislot:
                    pathels.append(dmislot['designation'])
                    continue
                explink = dev.express_link
                exptype = dev.express_type
                slot = dev.express_slot
                if slot:
                    pathpart.append('slot {}'.format(slot.slot))
                if explink:
                    pathpart.append('{}'.format(exptype))
                if pathpart:
                    pathels.append(', '.join(pathpart))
            return ' -> '.join(pathels)
        else:
            return None