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#!/usr/bin/python3
# SPDX-License-Identifier: LGPL-2.1+
"""A simple fwupd frontend"""
import sys
import os
import gi
from gi.repository import GLib
gi.require_version("Fwupd", "2.0")
from gi.repository import Fwupd # pylint: disable=wrong-import-position
class Progress:
"""Class to track the signal changes of progress events"""
def __init__(self):
self.device = None
self.status = None
self.percent = 0
self.erase = 0
def device_changed(self, new_device):
"""Indicate new device string to track"""
if self.device != new_device:
self.device = new_device
print("\nUpdating %s" % self.device)
def status_changed(self, percent, status):
"""Indicate new status string or % complete to track"""
if self.status != status or self.percent != percent:
for i in range(0, self.erase):
sys.stdout.write("\b \b")
self.status = status
self.percent = percent
status_str = "["
for i in range(0, 50):
if i < percent / 2:
status_str += "*"
else:
status_str += " "
status_str += "] %d%% %s" % (percent, status)
self.erase = len(status_str)
sys.stdout.write(status_str)
sys.stdout.flush()
if "idle" in status:
sys.stdout.write("\n")
def parse_args():
"""Parse arguments for this client"""
import argparse
parser = argparse.ArgumentParser(description="Interact with fwupd daemon")
parser.add_argument(
"--allow-older",
action="store_true",
help="Install older payloads(default False)",
)
parser.add_argument(
"--allow-reinstall",
action="store_true",
help="Reinstall payloads(default False)",
)
parser.add_argument(
"command",
choices=["get-devices", "get-details", "install", "refresh"],
help="What to do",
)
parser.add_argument("cab", nargs="?", help="CAB file")
parser.add_argument("deviceid", nargs="?", help="DeviceID to operate on(optional)")
args = parser.parse_args()
return args
def refresh(client):
"""Uses fwupd client to refresh metadata"""
remotes = client.get_remotes()
client.set_user_agent_for_package("simple_client", "1.7.9")
for remote in remotes:
if not remote.get_enabled():
continue
if remote.get_kind() != Fwupd.RemoteKind.DOWNLOAD:
continue
client.refresh_remote(remote)
def get_devices(client):
"""Use fwupd client to fetch devices"""
devices = client.get_devices()
for item in devices:
print(item.to_string())
def get_details(client, cab):
"""Use fwupd client to fetch details for a CAB file"""
devices = client.get_details(cab, None)
for device in devices:
print(device.to_string())
def status_changed(client, spec, progress): # pylint: disable=unused-argument
"""Signal emitted by fwupd daemon indicating status changed"""
progress.status_changed(
client.get_percentage(), Fwupd.status_to_string(client.get_status())
)
def device_changed(client, device, progress): # pylint: disable=unused-argument
"""Signal emitted by fwupd daemon indicating active device changed"""
progress.device_changed(device.get_name())
def install(client, cab, target, older, reinstall):
"""Use fwupd client to install CAB file to applicable devices"""
# FWUPD_DEVICE_ID_ANY
if not target:
target = "*"
flags = Fwupd.InstallFlags.NONE
if older:
flags |= Fwupd.InstallFlags.ALLOW_OLDER
if reinstall:
flags |= Fwupd.InstallFlags.ALLOW_REINSTALL
progress = Progress()
parent = super(client.__class__, client)
parent.connect("device-changed", device_changed, progress)
parent.connect("notify::percentage", status_changed, progress)
parent.connect("notify::status", status_changed, progress)
try:
client.install(target, cab, flags, None)
except GLib.Error as glib_err: # pylint: disable=catching-non-exception
progress.status_changed(0, "idle")
print("%s" % glib_err)
sys.exit(1)
print("\n")
def check_exists(cab):
"""Check that CAB file exists"""
if not cab:
print("Need to specify payload")
sys.exit(1)
if not os.path.isfile(cab):
print("%s doesn't exist or isn't a file" % cab)
sys.exit(1)
if __name__ == "__main__":
ARGS = parse_args()
CLIENT = Fwupd.Client()
if ARGS.command == "get-devices":
get_devices(CLIENT)
elif ARGS.command == "get-details":
check_exists(ARGS.cab)
get_details(CLIENT, ARGS.cab)
elif ARGS.command == "refresh":
refresh(CLIENT)
elif ARGS.command == "install":
check_exists(ARGS.cab)
install(CLIENT, ARGS.cab, ARGS.deviceid, ARGS.allow_older, ARGS.allow_reinstall)