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#!/usr/bin/python
import os
import subprocess
import signal
from gi.repository import SugarRunner
devnull = open("/dev/null")
main_loop = None
def _write_display(display_path):
tmp_display_path = "%s.tmp" % display_path
with open(tmp_display_path, "w") as f:
f.write(os.environ["DISPLAY"])
os.rename(tmp_display_path, display_path)
def _setup_outputs():
"""Sugar doesn't handle multiple outputs properly. To avoid issues
we keep the first output in the list returned by xrandr and turn
off everything else.
"""
outputs = SugarRunner.list_outputs()
if not outputs:
return
on_output = os.environ.get("SUGAR_RUNNER_OUTPUT", outputs[0])
for output in outputs:
if output != on_output:
subprocess.check_call(["xrandr", "--output", output, "--off"])
def _load_xkb_config():
if "SUGAR_RUNNER_XKBCONFIG" not in os.environ:
return
with open(os.environ["SUGAR_RUNNER_XKBCONFIG"]) as f:
config = f.read()
process = subprocess.Popen(["xkbcomp", "-", os.environ["DISPLAY"]],
stdin=subprocess.PIPE, stdout=devnull)
process.communicate(input=config)
def _child_watch_cb(pid, condition):
window_pid = os.environ.get("SUGAR_RUNNER_WINDOW_PID", None)
if window_pid:
os.kill(int(window_pid), signal.SIGTERM)
global main_loop
main_loop.quit()
def _add_output_to_environ(output):
for line in output.strip().split("\n"):
name, value = line.strip().split("=", 1)
os.environ[name] = value
def _start_dbus():
output = subprocess.check_output(["dbus-launch", "--exit-with-session"])
_add_output_to_environ(output)
def _start_keyring():
output = subprocess.check_output(["gnome-keyring-daemon",
"--start", "-d",
"--components=secrets,pkcs11,ssh,gpg"])
_add_output_to_environ(output)
if "SUGAR_RUNNER_DISPLAY_PATH" in os.environ:
_write_display(os.environ["SUGAR_RUNNER_DISPLAY_PATH"])
_setup_outputs()
_load_xkb_config()
_start_dbus()
_start_keyring()
subprocess.check_call(["sugar"])
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