NethVoice Wizard fails to fetch Timezone on Debian 13

[DavidePrincipi]

The TimeZone field cannot be selected in NethVoice cluster-admin wizard on Debian 13. The underlying get-defaults action fails.

Steps to reproduce

• Try to configure NethVoice on Debian 13 with the wizard procedure

Expected behavior

I can select the TimeZone field value and complete the wizard procedure.

Actual behavior

• Task error are immediately visible: the get-defaults has a Python stack trace.
• TimeZone has no available values. Configuration cannot be completed.

Task error details:

Traceback (most recent call last):
  File "/home/nethvoice1/.config/actions/get-defaults/10defaults", line 17, in <module>
    accepted_timezone_list = subprocess.check_output(command, cwd=timezones_directory, text=True, shell=True).splitlines()
                             ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/subprocess.py", line 472, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
           ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
               **kwargs).stdout
               ^^^^^^^^^
  File "/usr/lib/python3.13/subprocess.py", line 554, in run
    with Popen(*popenargs, **kwargs) as process:
         ~~~~~^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/subprocess.py", line 1039, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
    ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                        pass_fds, cwd, env,
                        ^^^^^^^^^^^^^^^^^^^
    ...<5 lines>...
                        gid, gids, uid, umask,
                        ^^^^^^^^^^^^^^^^^^^^^^
                        start_new_session, process_group)
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/subprocess.py", line 1972, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: '/usr/share/zoneinfo/posix/'

Components

• Debian Trixie
• NethVoice 1.6.6

See also

• Discussion https://mattermost.nethesis.it/nethesis/pl/sx38axy9t7y1f89n3zeqapythc

[DavidePrincipi]

FileNotFoundError: [Errno 2] No such file or directory: '/usr/share/zoneinfo/posix/'

I suspect the reason is directory layout differs from Rocky Linux. This command should be cross-distro compatible:

timedatectl list-timezones