On 12/11/2017 02:53 AM, Oliver Rath wrote:
Hi list,
Im playing around with the dbus-daemon, which shows me some strange
behaviours:
* lvmdbusd doesnt run with the message
# lvmdbusd
Traceback (most recent call last):
File "/sbin/lvmdbusd", line 13, in <module>
from lvmdbusd import main
ModuleNotFoundError: No module named 'lvmdbusd'
*but* the module seems to be installed:
# find /usr/lib/ -iname "lvmdbusd"
/usr/lib/python3.6/site-packages/lvmdbusd
/usr/lib/python3.5/site-packages/lvmdbusd
Hmmm, what does `/usr/bin/env python3` return?
I have fixed a bug usptream: lvmdbusd must use python 3 interpreter
detected by configure script not the python3 found in $PATH.
Btw, lvmdbusd seems not to be installed for python2
That's true, it is not. It is python3 only.
* lvmdbusd is a python-script, but the installer says "python is
deprecated, use dbus instead". Can I use the dbus-interface (Im
working on some examples in Rust for this) without the lvmdbusd?
It says "python bindings". It is those python2 and python3 bindings we
plan to remove in future - it never worked really well, had problems
with configuration - and lvmdbusd is the intended replacement.
D-Bus daemon is written in python(3). And it should not require python
bindings (and actually neither the applib - I fixed that bogus error
upstream.)
It may see and rewrite to a compiled language, if that happened to be a
bottleneck.
Is lvm via dbus possibly out of date and not longer useable?
It should not be.
My system is ubuntu 17.10 with lvm2-git installed:
# lvdisplay --version
LVM version: 2.02.177(2)-git (2017-11-03)
Library version: 1.02.146-git (2017-11-03)
Driver version: 4.37.0
Configuration: ./configure --enable-lvmetad --enable-lvmpolld
--enable-dmfilemapd --enable-cmdlib --enable-applib
--enable-dbus-service --enable-notify-dbus --enable-python2_bindings
TfH
Oliver
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