[python-win32] Volume Serial Number [SOLVED]

[Rickey, Kyle W]

Thanks to all for your responses.

I tried both methods from each Tim. :)

> Yes, actually, it does.  The second item in the tuple it returns is
the
> VSN as a 32-bit binary value.

Ahh, now I understand where I messed up, your code example enlightened
me.

> WMI to the rescue?
> <code>
> import wmi
>
> for volume in wmi.WMI ().Win32_LogicalDisk ():
>    print volume.Caption, "=>", volume.VolumeSerialNumber
>
> </code>

This example also worked quite well. In addition to that there's lots of
juicy information available from the 'volume' object. Thanks for that!

> If you want the SN from the drive manufacturer, you will need to issue
an > IOCTL ATA Passthrough command which sends the  ATA Identify Device
command > to the drive. Unless the Winapi has a wrapper for that
functionality, you > can't do that via Python.

Thanks for that as well, although not what I was looking for, I'll save
that for a rainy day. :)

Just for message consistency, I've reposted Tim Robert's example below:

def UnsignedHex( v ):
        if v >= 0: return '%08X' % v
        return '%08X' % (0x100000000 + v )
    print UnsignedHex( win32api.GetVolumeInformation('C:\\')[1] )

Thanks again to everyone for your help.

-Kyle Rickey
-----Original Message-----
From: python-win32-bounces at python.org
[mailto:python-win32-bounces at python.org] On Behalf Of Tim Golden
Sent: Friday, May 16, 2008 12:45 PM
Cc: python-win32 at python.org
Subject: Re: [python-win32] Volume Serial Number

Rickey, Kyle W wrote:
> How do I get the volume serial number for a drive? For example in the 
> cmd prompt issuing this:

WMI to the rescue?

<code>
import wmi

for volume in wmi.WMI ().Win32_LogicalDisk ():
   print volume.Caption, "=>", volume.VolumeSerialNumber

</code>

TJG
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