Package: python3-networkmanager
Version: 2.1-2
Severity: serious
Justification: Incompatibility with bullseye NM causes crashes enumerating
devices etc.
Dear Maintainer,
I'm experiencing python3-networkmanager crashing with a simple test
program like this:
$ cat /tmp/test.py
#!/usr/bin/python3
import NetworkManager
for dev in NetworkManager.NetworkManager.Devices:
if dev.DeviceType == NetworkManager.NM_DEVICE_TYPE_WIFI:
print(dev)
print("Program finished")
$ python3 /tmp/test.py
Traceback (most recent call last):
File "/tmp/test.py", line 6, in <module>
for dev in NetworkManager.NetworkManager.Devices:
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 174, in get_func
return fixups.to_python(klass, 'Get', name, data, attrib['type'])
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 555, in
to_python
val = fixups.base_to_python(val)
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 612, in
base_to_python
return [fixups.base_to_python(x) for x in val]
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 612, in
<listcomp>
return [fixups.base_to_python(x) for x in val]
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 625, in
base_to_python
return globals()[classname](val)
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 353, in __new__
klass = device_class(obj.Get('org.freedesktop.NetworkManager.Device',
'DeviceType', dbus_interface='org.freedesktop.DBus.Properties'))
File "/usr/lib/python3/dist-packages/NetworkManager.py", line 373, in
device_class
return {
KeyError: dbus.UInt32(30, variant_level=1)
The reason appears to be that NM in bullseye supports and returns a
(disconnected=30) wifi p2p interface on my device.
Here's some info from the affected system:
$ nmcli d
DEVICE TYPE STATE CONNECTION
wlan0 wifi connected FOOBAR
p2p-dev-wlan0 wifi-p2p disconnected --
lo loopback unmanaged --
The mere existance of p2p-dev-wlan0 causes the crash and the needed constant
values in python3-networkmanager was added in new upstream release 2.2.
FWIW the problem is also reproducible on a buster system with a partial
update to NM (and deps) from bullseye. The p2p feature is thus not a new
kernel feature or similar, simply new info exposed by NM.
As mentioned, this is fixed in upstream release 2.2.
I've also filed a pre-approval request to update to 2.2 during freeze,
see Bug#984925
Regards,
Andreas Henriksson
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