e848f86514
This means one can run meta-dbus-runner.py effectively mocking everything relevant except logind itself, meaning one can run from a TTY and get permission to mode set etc, while still mocking things like gsd-color, colord, etc. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2618>
48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
import dbus
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import os
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import re
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import sys
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host_system_bus_connection = None
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def ensure_system_bus(address):
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global host_system_bus_connection
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if host_system_bus_connection is None:
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bus = dbus.bus.BusConnection(address)
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host_system_bus_connection = bus
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return host_system_bus_connection
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def open_file_direct(major, minor):
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sysfs_uevent_path = '/sys/dev/char/{}:{}/uevent'.format(major, minor)
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sysfs_uevent = open(sysfs_uevent_path, 'r')
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devname = None
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for line in sysfs_uevent.readlines():
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match = re.match('DEVNAME=(.*)', line)
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if match:
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devname = match[1]
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break
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sysfs_uevent.close()
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if not devname:
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raise dbus.exceptions.DBusException(f'Device file {major}:{minor} doesn\\\'t exist',
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major=major, minor=minor)
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fd = os.open('/dev/' + devname, os.O_RDWR | os.O_CLOEXEC)
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unix_fd = dbus.types.UnixFd(fd)
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os.close(fd)
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return (unix_fd, False)
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def call_host(address, object_path, interface, method, typesig, args):
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bus = ensure_system_bus(address)
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return bus.call_blocking('org.freedesktop.login1',
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object_path,
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interface,
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method,
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typesig,
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args)
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