c61f6237a4
D-Bus bridge is now working again, using the new AsyncIO version. To make it work, the GLib loop is run in a separated thread. Loops have been moved to the `loops` module.
145 lines
5.1 KiB
Python
145 lines
5.1 KiB
Python
#!/usr/bin/env python3
|
|
|
|
# jp: a SAT command line tool
|
|
# Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
|
|
|
|
# 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 <http://www.gnu.org/licenses/>.
|
|
|
|
import sys
|
|
import asyncio
|
|
import logging as log
|
|
from sat.core.i18n import _
|
|
from sat_frontends.jp.constants import Const as C
|
|
|
|
log.basicConfig(level=log.WARNING,
|
|
format='[%(name)s] %(message)s')
|
|
|
|
USER_INTER_MSG = _("User interruption: good bye")
|
|
|
|
|
|
class QuitException(BaseException):
|
|
"""Quitting is requested
|
|
|
|
This is used to stop execution when host.quit() is called
|
|
"""
|
|
|
|
|
|
def getJPLoop(bridge_name):
|
|
if 'dbus' in bridge_name:
|
|
import signal
|
|
import threading
|
|
from gi.repository import GLib
|
|
|
|
class JPLoop:
|
|
|
|
def run(self, jp, args, namespace):
|
|
signal.signal(signal.SIGINT, self._on_sigint)
|
|
self._glib_loop = GLib.MainLoop()
|
|
threading.Thread(target=self._glib_loop.run).start()
|
|
loop = asyncio.get_event_loop()
|
|
loop.run_until_complete(jp.main(args=args, namespace=namespace))
|
|
loop.run_forever()
|
|
|
|
def quit(self, exit_code):
|
|
loop = asyncio.get_event_loop()
|
|
loop.stop()
|
|
self._glib_loop.quit()
|
|
sys.exit(exit_code)
|
|
|
|
def call_later(self, delay, callback, *args):
|
|
"""call a callback repeatedly
|
|
|
|
@param delay(int): delay between calls in s
|
|
@param callback(callable): method to call
|
|
if the callback return True, the call will continue
|
|
else the calls will stop
|
|
@param *args: args of the callbac
|
|
"""
|
|
loop = asyncio.get_event_loop()
|
|
loop.call_later(delay, callback, *args)
|
|
|
|
def _on_sigint(self, sig_number, stack_frame):
|
|
"""Called on keyboard interruption
|
|
|
|
Print user interruption message, set exit code and stop reactor
|
|
"""
|
|
print("\r" + USER_INTER_MSG)
|
|
self.quit(C.EXIT_USER_CANCELLED)
|
|
else:
|
|
import signal
|
|
from twisted.internet import asyncioreactor
|
|
asyncioreactor.install()
|
|
from twisted.internet import reactor, defer
|
|
|
|
class JPLoop:
|
|
|
|
def __init__(self):
|
|
# exit code must be set when using quit, so if it's not set
|
|
# something got wrong and we must report it
|
|
self._exit_code = C.EXIT_INTERNAL_ERROR
|
|
|
|
def run(self, jp, *args):
|
|
self.jp = jp
|
|
signal.signal(signal.SIGINT, self._on_sigint)
|
|
defer.ensureDeferred(self._start(jp, *args))
|
|
try:
|
|
reactor.run(installSignalHandlers=False)
|
|
except SystemExit as e:
|
|
self._exit_code = e.code
|
|
sys.exit(self._exit_code)
|
|
|
|
async def _start(self, jp, *args):
|
|
fut = asyncio.ensure_future(jp.main(*args))
|
|
try:
|
|
await defer.Deferred.fromFuture(fut)
|
|
except BaseException:
|
|
import traceback
|
|
traceback.print_exc()
|
|
jp.quit(1)
|
|
|
|
def quit(self, exit_code):
|
|
self._exit_code = exit_code
|
|
reactor.stop()
|
|
|
|
def _timeout_cb(self, args, callback, delay):
|
|
try:
|
|
ret = callback(*args)
|
|
# FIXME: temporary hack to avoid traceback when using XMLUI
|
|
# to be removed once create_task is not used anymore in
|
|
# xmlui_manager (i.e. once sat_frontends.tools.xmlui fully supports
|
|
# async syntax)
|
|
except QuitException:
|
|
return
|
|
if ret:
|
|
reactor.callLater(delay, self._timeout_cb, args, callback, delay)
|
|
|
|
def call_later(self, delay, callback, *args):
|
|
reactor.callLater(delay, self._timeout_cb, args, callback, delay)
|
|
|
|
def _on_sigint(self, sig_number, stack_frame):
|
|
"""Called on keyboard interruption
|
|
|
|
Print user interruption message, set exit code and stop reactor
|
|
"""
|
|
print("\r" + USER_INTER_MSG)
|
|
self._exit_code = C.EXIT_USER_CANCELLED
|
|
reactor.callFromThread(reactor.stop)
|
|
|
|
|
|
if bridge_name == "embedded":
|
|
raise NotImplementedError
|
|
# from sat.core import sat_main
|
|
# sat = sat_main.SAT()
|
|
|
|
return JPLoop
|