[Libguestfs] any read/write raw image function or API in Python?

[Richard W.M. Jones]

On Wed, Jul 12, 2017 at 04:45:35PM +0800, 陳培泓 wrote:
> I know there's lots of functions that can access/modify the internal fs of
> img or qcow2 through libguestfs.
> 
> I want to know is there any library can modify the raw/qcow2 image directly
> in Python?

libguestfs can do this, eg. using:
http://libguestfs.org/guestfs.3.html#guestfs_pread_device
http://libguestfs.org/guestfs.3.html#guestfs_pwrite_device

Another way might be to use the ‘qemu-io’ utility from qemu.

Rich.

> For example, there's function called read_qcow2(), and I can know the
> content of tmp.qcow2 through the function read_qcow2().

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