def __init__(self, parent, parent_logger):
QObject.__init__(self, parent)
logger = NicosLogger('client')
logger.parent = parent_logger
NicosClient.__init__(self, logger.warning)
self._reg_keys = {}
self._event_mask = ['livedata']
self.cache.connect(self.on_cache_event)
self.connected.connect(self.on_connected_event)
def main(argv):
global log # pylint: disable=global-statement
userpath = path.join(path.expanduser('~'), '.config', 'nicos')
# Set up logging for the GUI instance.
initLoggers()
log = NicosLogger('gui')
log.parent = None
log.setLevel(logging.INFO)
log.addHandler(ColoredConsoleHandler())
log.addHandler(
NicosLogfileHandler(path.join(userpath, 'log'),
'gui',
use_subdir=False))
# set up logging for unhandled exceptions in Qt callbacks
def log_unhandled(*exc_info):
traceback.print_exception(*exc_info)
log.exception('unhandled exception in QT callback', exc_info=exc_info)
sys.excepthook = log_unhandled
app = QApplication(argv, organizationName='nicos', applicationName='gui')
opts = parseargs()
if opts.configfile is None:
try:
config.apply()
except RuntimeError:
pass
# If "demo" is detected automatically, let the user choose their
# instrument configuration.
need_dialog = config.instrument is None or \
(config.setup_package == 'nicos_demo' and
config.instrument == 'demo' and
'INSTRUMENT' not in os.environ)
if need_dialog:
opts.configfile = InstrSelectDialog.select(
'Your instrument could not be automatically detected.')
if opts.configfile is None:
return
else:
opts.configfile = path.join(config.setup_package_path,
config.instrument, 'guiconfig.py')
with open(opts.configfile, 'rb') as fp:
configcode = fp.read()
gui_conf = processGuiConfig(configcode)
gui_conf.stylefile = ''
if gui_conf.options.get('facility') in ['ess', 'sinq']:
gui_conf.stylefile = f"{config.nicos_root}" \
f"/nicos/clients/flowui/guiconfig.qss"
stylefiles = [
path.join(userpath, 'style-%s.qss' % sys.platform),
path.join(userpath, 'style.qss'),
path.splitext(opts.configfile)[0] + '-%s.qss' % sys.platform,
path.splitext(opts.configfile)[0] + '.qss',
]
for stylefile in [gui_conf.stylefile] or stylefiles:
if path.isfile(stylefile):
try:
with open(stylefile, 'r', encoding='utf-8') as fd:
app.setStyleSheet(fd.read())
gui_conf.stylefile = stylefile
break
except Exception:
log.warning('Error setting user style sheet from %s',
stylefile,
exc=1)
mainwindow_cls = _mainwindow_cls.get(
gui_conf.options.get('facility', 'default'))
mainwindow = mainwindow_cls(log, gui_conf, opts.viewonly, opts.tunnel)
log.addHandler(DebugHandler(mainwindow))
if opts.connect:
parsed = parseConnectionString(opts.connect, DEFAULT_PORT)
if parsed:
cdata = ConnectionData(**parsed)
cdata.viewonly = opts.viewonly
mainwindow.setConnData(cdata)
if cdata.password is not None:
# we have a password, connect right away
mainwindow.client.connect(mainwindow.conndata)
else:
# we need to ask for password, override last preset (uses given
# connection data) and force showing connect window
mainwindow.lastpreset = ''
mainwindow.autoconnect = True
mainwindow.startup()
return app.exec_()