110 lines
2.9 KiB
Python
110 lines
2.9 KiB
Python
# piker: trading gear for hackers
|
|
# Copyright (C) Tyler Goodlet (in stewardship for piker0)
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
"""
|
|
Notifications utils.
|
|
|
|
"""
|
|
import os
|
|
import platform
|
|
import subprocess
|
|
|
|
import trio
|
|
|
|
from ..log import get_logger
|
|
from ..clearing._messages import (
|
|
Status,
|
|
)
|
|
|
|
log = get_logger(__name__)
|
|
|
|
|
|
_dbus_uid: str | None = ''
|
|
|
|
|
|
async def notify_from_ems_status_msg(
|
|
msg: Status,
|
|
duration: int = 3000,
|
|
is_subproc: bool = False,
|
|
|
|
) -> None:
|
|
'''
|
|
Send a linux desktop notification.
|
|
|
|
Handle subprocesses by discovering the dbus user id
|
|
on first call.
|
|
|
|
'''
|
|
if platform.system() != "Linux":
|
|
return
|
|
|
|
# TODO: this in another task?
|
|
# not sure if this will ever be a bottleneck,
|
|
# we probably could do graphics stuff first tho?
|
|
|
|
if is_subproc:
|
|
global _dbus_uid
|
|
su = os.environ.get('SUDO_USER')
|
|
if (
|
|
not _dbus_uid
|
|
and su
|
|
):
|
|
|
|
# TODO: use `trio` but we need to use nursery.start()
|
|
# to use pipes?
|
|
# result = await trio.run_process(
|
|
result = subprocess.run(
|
|
[
|
|
'id',
|
|
'-u',
|
|
su,
|
|
],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
# check=True
|
|
)
|
|
_dbus_uid = result.stdout.decode("utf-8").replace('\n', '')
|
|
|
|
os.environ['DBUS_SESSION_BUS_ADDRESS'] = (
|
|
f'unix:path=/run/user/{_dbus_uid}/bus'
|
|
)
|
|
|
|
try:
|
|
result = await trio.run_process(
|
|
[
|
|
'notify-send',
|
|
'-u', 'normal',
|
|
'-t', f'{duration}',
|
|
'piker',
|
|
|
|
# TODO: add in standard fill/exec info that maybe we
|
|
# pack in a broker independent way?
|
|
f"'{msg.pformat()}'",
|
|
],
|
|
capture_stdout=True,
|
|
capture_stderr=True,
|
|
check=False,
|
|
)
|
|
if result.returncode != 0:
|
|
log.warn(f'Notification daemon crashed stderr: {result.stderr}')
|
|
|
|
log.runtime(result)
|
|
|
|
except FileNotFoundError:
|
|
log.warn(
|
|
'Tried to send a notification but \'notify-send\' not present'
|
|
)
|