boinccpu.py

#!/usr/bin/python
import sys
import os
import subprocess
from lxml import objectify, etree


if os.path.exists('/var/lock/boinccpu.lock'):
    print("Masked")
    sys.exit()
with open("/var/lib/boinc/global_prefs_override.xml", mode="r+") as f:
    xml_conf = objectify.fromstring(f.read())
    xml_conf.cpu_usage_limit = float(sys.argv[1])
    objectify.deannotate(xml_conf, cleanup_namespaces=True)
    f.seek(0)
    f.write(etree.tostring(xml_conf, pretty_print=True).decode())
    f.truncate()
with open("/var/lib/boinc/gui_rpc_auth.cfg") as f:
    passwd = f.read()
subprocess.run(["boinccmd", "--passwd", passwd, "--read_global_prefs_override"])