On Thu, Oct 13, 2011 at 11:17 AM, Stanislav Ochotnicky <sochotnicky@xxxxxxxxxx> wrote: > Excerpts from Richard Shaw's message of Thu Oct 13 16:13:00 +0200 2011: >> On Wed, Oct 12, 2011 at 8:16 PM, Dan Williams <dcbw@xxxxxxxxxx> wrote: >> > udev replaced HAL, along with some additional helpers. udev has a >> > database too, much like HAL. You can use libudev or libgudev (if you >> > use glib) to talk to udev and get information. >> >> Ok, I found python-gudev which lets me talk to udev! >> >> And I thought the documentation on UDisks was poor. The only >> documentation in the package is a README file with a bad link and a >> test program. >> > > You can use [1] (or look in your kernel source directory) for gudev > API documentation. The python wrapper basically does 1:1 copy of the > functions. Thanks! I'll take a look. >> >> I've worked around that for testing the property >> >> "DriveMediaCompatibility" > 0 since it returns an array but this would >> >> also pick up flash card readers, zip, and jaz drives. I'll have to >> >> modify that to look for "optical" on the front of any members of the >> >> array. https://bugs.freedesktop.org/show_bug.cgi?id=41752 >> >> Second, I can not find any property that reports the disc capacity. >> >> The only property that looked close is "DriveSize" but for a blank >> >> disc this reports the same as the SectorSize, 2048. >> > >> > UDISKS_PARTITION_SIZE >> >> I'm thinking the equivalent in the python wrapper is "PartitionSize". >> The problem is that it AND "DeviceSize" both report 2048... > > There is still a possibility there is a bug (or a missing feature) in > udisks. Maybe have a look at udisks/udev bug tracker? https://bugs.freedesktop.org/show_bug.cgi?id=41753 >> Right now I'm using the test program provided with python-gudev and I >> think I'm making headway. It has a property "ID_TYPE" that is "cd" for >> optical drives so that's one problem down. Now I just have to figure >> out how to: >> >> 1. Get the drive capacity. >> 2. Get the media state. >> 3. Detect and properly handle media changes. > > Good luck finding what you are looking for, Thanks! Richard -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
