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#!/usr/bin/env python3
# SPDX-License-Identifier: BSD-3-Clause
# SPDX-FileCopyrightText: 2025 Aleix Pol i Gonzalez <aleixpol@kde.org>
"""
A mock implementation of the sysupdate1 daemon so we can test Discover against
it and test the update process.
Run discover with DISCOVER_TEST_SYSUPDATE=1 so it finds it without running it
as root.
"""
import dbus
import dbus.service
import dbus.mainloop.glib
from gi.repository import GLib
import json
import time
import threading
import uuid
from typing import Dict, Tuple
from pathlib import Path
# D-Bus service and interface names
SERVICE_NAME = "org.freedesktop.sysupdate1"
MANAGER_INTERFACE = "org.freedesktop.sysupdate1.Manager"
TARGET_INTERFACE = "org.freedesktop.sysupdate1.Target"
JOB_INTERFACE = "org.freedesktop.sysupdate1.Job"
class MockJob(dbus.service.Object):
def __init__(self, bus, path, job_id, manager, job_type="update", offline=False):
super().__init__(bus, path)
self._id = job_id
self._type = job_type
self._offline = offline
self._progress = 0
self._cancelled = False
self._path = path
self._manager = manager
# Start progress simulation in a separate thread
self._progress_thread = threading.Thread(target=self._simulate_progress)
self._progress_thread.daemon = True
self._progress_thread.start()
def _simulate_progress(self):
while self._progress < 100 and not self._cancelled:
time.sleep(0.1)
if not self._cancelled:
self._progress = min(100, self._progress + 5)
self.PropertiesChanged(
JOB_INTERFACE,
{"Progress": dbus.UInt32(self._progress)},
[]
)
self._manager.remove_job(self._id)
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ss', out_signature='v')
def Get(self, interface_name, property_name):
if interface_name == JOB_INTERFACE:
if property_name == "Id":
return dbus.UInt64(self._id)
elif property_name == "Type":
return dbus.String(self._type)
elif property_name == "Offline":
return dbus.Boolean(self._offline)
elif property_name == "Progress":
return dbus.UInt32(self._progress)
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.InvalidArgs',
f'Property {property_name} not found in interface {interface_name}'
)
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='s', out_signature='a{sv}')
def GetAll(self, interface_name):
if interface_name == JOB_INTERFACE:
return {
"Id": dbus.UInt64(self._id),
"Type": dbus.String(self._type),
"Offline": dbus.Boolean(self._offline),
"Progress": dbus.UInt32(self._progress)
}
return {}
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ssv')
def Set(self, interface_name, property_name, value):
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.PropertyReadOnly',
f'Property {property_name} is read-only'
)
@dbus.service.method(JOB_INTERFACE)
def Cancel(self):
self._cancelled = True
self._progress = 100
return
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature='sa{sv}as')
def PropertiesChanged(self, interface_name, changed_properties, invalidated_properties):
pass
class MockTarget(dbus.service.Object):
def __init__(self, bus, path, name, target_class="os"):
super().__init__(bus, path)
self._name = name
self._class = target_class
self._path = path
self._current_version = "1.0.0"
self._available_versions = ["1.0.0", "1.1.0", "1.2.0", "2.0.0"]
self._manager = None
self._bus = bus
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ss', out_signature='v')
def Get(self, interface_name, property_name):
if interface_name == TARGET_INTERFACE:
if property_name == "Class":
return dbus.String(self._class)
elif property_name == "Name":
return dbus.String(self._name)
elif property_name == "Path":
return dbus.String(self._path)
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.InvalidArgs',
f'Property {property_name} not found in interface {interface_name}'
)
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='s', out_signature='a{sv}')
def GetAll(self, interface_name):
if interface_name == TARGET_INTERFACE:
return {
"Class": dbus.String(self._class),
"Name": dbus.String(self._name),
"Path": dbus.String(self._path)
}
return {}
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ssv')
def Set(self, interface_name, property_name, value):
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.PropertyReadOnly',
f'Property {property_name} is read-only'
)
@dbus.service.method(TARGET_INTERFACE, in_signature='b', out_signature='as')
def List(self, offline):
return self._available_versions
@dbus.service.method(TARGET_INTERFACE, in_signature='sb', out_signature='s')
def Describe(self, version, offline):
description = f"""{
"version" : "{version}",
"newest" : true,
"available" : true,
"installed" : true,
"obsolete" : false,
"protected" : true,
"incomplete" : false,
"changelogUrls" : [],
"contents" : [
{
"type" : "regular-file",
"path" : "/system/kde-linux_202508240429.erofs",
"mtime" : 1756074882866705,
"mode" : 416
},
{
"type" : "regular-file",
"path" : "/boot/EFI/Linux/kde-linux_202508240429.efi",
"mtime" : 1756082194000000,
"mode" : 384
}
]
}
"""
return description
@dbus.service.method(TARGET_INTERFACE, out_signature='s')
def CheckNew(self):
latest = self._available_versions[-1]
if latest > self._current_version:
return latest
return ""
@dbus.service.method(TARGET_INTERFACE, in_signature='st', out_signature='sto')
def Update(self, new_version, flags):
job_id = int(time.time() * 1000)
job_path = f"/org/freedesktop/sysupdate1/job/{job_id}"
if self._manager:
job = MockJob(self._bus, job_path, job_id, self._manager, "update", bool(flags & 1))
self._manager._jobs[job_id] = (job, job_path)
return (new_version, dbus.UInt64(job_id), dbus.ObjectPath(job_path))
@dbus.service.method(TARGET_INTERFACE, out_signature='u')
def Vacuum(self):
# Simulate removing 2 old versions
return dbus.UInt32(2)
@dbus.service.method(TARGET_INTERFACE, out_signature='as')
def GetAppStream(self):
return [
"https://invent.kde.org/kde-linux/kde-linux/-/raw/master/org.kde.linux.metainfo.xml"
]
@dbus.service.method(TARGET_INTERFACE, out_signature='s')
def GetVersion(self):
return self._current_version
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature='sa{sv}as')
def PropertiesChanged(self, interface_name, changed_properties, invalidated_properties):
pass
class MockSysupdateManager(dbus.service.Object):
def __init__(self, bus, path="/org/freedesktop/sysupdate1"):
super().__init__(bus, path)
self._bus = bus
self._targets: Dict[str, MockTarget] = {}
self._jobs: Dict[int, Tuple[MockJob, str]] = {}
self._create_mock_targets()
def _create_mock_targets(self):
targets_data = [
("os", "os", "/org/freedesktop/sysupdate1/target/os")
]
for name, target_class, path in targets_data:
target = MockTarget(self._bus, path, name, target_class)
target._manager = self
self._targets[name] = target
@dbus.service.method(MANAGER_INTERFACE, out_signature='a(sso)')
def ListTargets(self):
result = []
for name, target in self._targets.items():
result.append((
target._class,
target._name,
dbus.ObjectPath(target._path)
))
return result
@dbus.service.method(MANAGER_INTERFACE, out_signature='a(tsuo)')
def ListJobs(self):
result = []
for job_id, (job, path) in self._jobs.items():
result.append((
dbus.UInt64(job_id),
job._type,
dbus.UInt32(job._progress),
dbus.ObjectPath(path)
))
return result
@dbus.service.method(MANAGER_INTERFACE, out_signature='as')
def ListAppStream(self):
return [
"https://invent.kde.org/kde-linux/kde-linux/-/raw/master/org.kde.linux.metainfo.xml"
]
@dbus.service.signal(MANAGER_INTERFACE, signature='toi')
def JobRemoved(self, job_id, path, status):
pass
@dbus.service.method(dbus.INTROSPECTABLE_IFACE, out_signature='s')
def Introspect(self):
baseDir = Path(__file__).resolve().parent.parent
return (baseDir / "sysupdate1.xml").read_text(encoding="utf-8")
@dbus.service.method(dbus.PEER_IFACE)
def Ping(self):
pass
@dbus.service.method(dbus.PEER_IFACE, out_signature='s')
def GetMachineId(self):
return str(uuid.uuid4())
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ss', out_signature='v')
def Get(self, interface_name, property_name):
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.InvalidArgs',
f'Property {property_name} not found in interface {interface_name}'
)
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='s', out_signature='a{sv}')
def GetAll(self, interface_name):
return {}
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature='ssv')
def Set(self, interface_name, property_name, value):
raise dbus.exceptions.DBusException(
'org.freedesktop.DBus.Error.PropertyReadOnly',
'Properties are read-only'
)
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature='sa{sv}as')
def PropertiesChanged(self, interface_name, changed_properties, invalidated_properties):
pass
def remove_job(self, job_id, status=0):
if job_id in self._jobs:
job, path = self._jobs[job_id]
del self._jobs[job_id]
self.JobRemoved(dbus.UInt64(job_id), dbus.ObjectPath(path), dbus.Int32(status))
def main():
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = dbus.SessionBus()
name = dbus.service.BusName(SERVICE_NAME, bus)
manager = MockSysupdateManager(bus)
print(f"Mock systemd-sysupdate service started on {SERVICE_NAME}")
print("Available targets:")
for target_info in manager.ListTargets():
print(f" - {target_info[1]} (class: {target_info[0]}, path: {target_info[2]})")
mainloop = GLib.MainLoop()
try:
mainloop.run()
except KeyboardInterrupt:
print("\nShutting down mock service...")
mainloop.quit()
if __name__ == "__main__":
main()
|
