Is device Connected Windows?

[placid]

Tim Golden wrote:
> [placid]
>
> | Just wondering is there a way (not brute force) to check if a usb
> | storage device is connected?
>
> Hmmm. How do you identify "a usb storage device" to know that
> it is or isn't connected?
>
> You can certainly do something useful with wmi. eg,
>
> <code>
> import wmi
>
> c = wmi.WMI ()
> for usb_disk in c.Win32_DiskDrive (InterfaceType="USB"):
>   print usb_disk.Caption
>   print usb_disk.PNPDeviceID
>
> </code>
>
> Now, assuming that the PNPDeviceID is unique enough for
> your purpose, you could probably do something with it
> to keep hold of it and then check later whether the
> same device is still inserted. One possibility is
> to use a WMI watcher to spot when devices are removed:
>
> <code>
> import wmi
>
> c = wmi.WMI ()
> usb_watcher = c.watch_for (
>   notification_type="Deletion",
>   wmi_class="Win32_DiskDrive",
>   delay_secs=2,
>   InterfaceType="USB"
> )
>
> while True:
>   usb_removed = usb_watcher () # can optionally timeout
>   print usb_removed.PNPDeviceID
>
> </code>
>

Thanks mate, this is what i was after, i can work my way through here.