def run(self, args):
if not os.path.exists(args.file):
self.ctx.die(670, "No such file: %s" % args.file)
else:
client = self.ctx.conn(args)
store = SessionsStore()
srv, usr, uuid, port = store.get_current()
props = store.get(srv, usr, uuid)
from omero.scripts import parse_file
from omero.util.temp_files import create_path
path = create_path()
text = """
omero.host=%(omero.host)s
omero.user=%(omero.sess)s
omero.pass=%(omero.sess)s
"""
path.write_text(text % props)
params = parse_file(args.file)
m = self._parse_inputs(args, params)
for k, v in list(m.items()):
if v is not None:
client.setInput(k, v)
p = self.ctx.popen([sys.executable, args.file],
stdout=sys.stdout,
stderr=sys.stderr,
ICE_CONFIG=str(path))
p.wait()
if p.poll() != 0:
self.ctx.die(p.poll(), "Execution failed.")
def run(self, args):
if not os.path.exists(args.file):
self.ctx.die(670, "No such file: %s" % args.file)
else:
client = self.ctx.conn(args)
store = SessionsStore()
srv, usr, uuid = store.get_current()
props = store.get(srv, usr, uuid)
from omero.scripts import parse_file
from omero.util.temp_files import create_path
path = create_path()
text = """
omero.host=%(omero.host)s
omero.user=%(omero.sess)s
omero.pass=%(omero.sess)s
"""
path.write_text(text % props)
params = parse_file(args.file)
m = self._parse_inputs(args, params)
for k, v in m.items():
if v is not None:
client.setInput(k, v)
p = self.ctx.popen([sys.executable, args.file], stdout=sys.stdout,
stderr=sys.stderr, ICE_CONFIG=str(path))
p.wait()
if p.poll() != 0:
self.ctx.die(p.poll(), "Execution failed.")
def get_params_from_session():
store = SessionsStore()
session_props = store.get_current()
host, username, suuid, port = session_props
# If there is no suuid, there is no session
if suuid is None:
return None
return {'host': host, 'username': username, 'suuid': suuid, 'port': port}
def __init__(self, config_file=None):
# Set the connection as not established
self.conn = None
self.SUUID = None
self.HOST = None
self.PORT = None
self.USERNAME = None
self.PASSWORD = None
# If config_file not specified, first see if there's an active OMERO
# CLI session.
if config_file is None:
store = SessionsStore()
session_props = store.get_current()
self.HOST, self.USERNAME, self.SUUID, self.PORT = session_props
# config_file specified, or no active session. Continue with reading
# connection params from the config file.
if config_file is not None or self.SUUID is None:
# Normalize file path.
if config_file is None:
config_file = '~/.omero/config'
config_file = os.path.expanduser(config_file)
# Check config file exists.
if not (os.path.exists(config_file)
and os.path.isfile(config_file)):
sys.stderr.write('No active OMERO CLI session and '
'configuration file {} does not '
'exist\n'.format(config_file))
sys.exit(1)
# Check permisisons on config file.
if os.stat(config_file).st_mode & 0077:
sys.stderr.write('Configuration file contains private '
'credentials and must not be accessible by '
'other users. Please run:\n\n'
' chmod 600 {}\n\n'.format(config_file))
sys.exit(1)
# Read the credentials file.
config = ConfigParser.RawConfigParser()
config.read(config_file)
self.HOST = config.get('OMEROCredentials', 'host')
self.PORT = config.getint('OMEROCredentials', 'port')
self.USERNAME = config.get('OMEROCredentials', 'username')
self.PASSWORD = config.get('OMEROCredentials', 'password')
class QGateWay(QObject):
status = Signal(str)
connected = Signal(BlitzGateway)
disconnected = Signal()
error = Signal(object)
# singletons
_conn: Optional[BlitzGateway] = None
_host: Optional[str] = None
_port: Optional[str] = None
_user: Optional[str] = None
def __init__(self, parent=None):
super().__init__(parent)
self.store = SessionsStore()
self.destroyed.connect(self.close)
atexit.register(self.close)
self.worker: Optional[WorkerBase] = None
self._next_worker: Optional[WorkerBase] = None
@property
def conn(self):
return QGateWay._conn
@conn.setter
def conn(self, val):
QGateWay._conn = val
@property
def host(self):
return QGateWay._host
@host.setter
def host(self, val):
QGateWay._host = val
@property
def port(self):
return QGateWay._port
@port.setter
def port(self, val):
QGateWay._port = val
@property
def user(self):
return QGateWay._user
@user.setter
def user(self, val):
QGateWay._user = val
def isConnected(self):
return self.conn and self.conn.isConnected()
def close(self, hard=False):
if self.isConnected():
self.conn.close(hard=hard)
try:
self.disconnected.emit()
except RuntimeError:
# if called during atexit the C/C++ object may be deleted
pass
def connect(self):
if not self.conn:
raise ValueError("No gateway to connect")
if not self.conn.isConnected():
if not self.conn.c:
self.conn._resetOmeroClient()
if self.conn.connect():
self.connected.emit(self.conn)
def get_current(self) -> Tuple[str, str, str, str]:
return self.store.get_current()
def _start_next_worker(self):
if self._next_worker is not None:
self.worker = self._next_worker
self._next_worker = None
self.worker.start()
else:
self.worker = None
def _submit(self,
func: Callable,
*args,
_wait=True,
**kwargs) -> WorkerBase:
new_worker = create_worker(func, *args, _start_thread=False, **kwargs)
new_worker.finished.connect(self._start_next_worker)
if self.worker and self.worker.is_running:
self._next_worker = new_worker
if not _wait:
self.worker.quit()
else:
self.worker = new_worker
self.worker.start()
return new_worker
def try_restore_session(self):
return self._submit(self._try_restore_session)
def _try_restore_session(self) -> Optional[SessionStats]:
host, username, uuid, port = self.get_current()
host = self.host or host
username = self.user or username
port = self.port or port
if uuid and self.store.exists(host, username, uuid):
try:
self.status.emit("connecting...")
session = self.store.attach(host, username, uuid)
return self._on_new_session(session)
except Exception as e:
self.status.emit("Error")
self.error.emit(e)
return None
def create_session(self, host: str, port: str, username: str,
password: str):
return self._submit(self._create_session, host, port, username,
password)
def _create_session(self, host: str, port: str, username: str,
password: str):
self.status.emit("connecting...")
try:
props = {
"omero.host": host,
"omero.user": username,
}
if port:
props['omero.port'] = port
session = self.store.create(username, password, props)
return self._on_new_session(session)
except Exception as e:
self.status.emit("Error")
self.error.emit(e)
def _on_new_session(self, session: SessionStats):
client = session[0]
if not client:
return
self.conn = BlitzGateway(client_obj=client)
self.host = client.getProperty("omero.host")
self.port = client.getProperty("omero.port")
self.user = client.getProperty("omero.user")
self.connected.emit(self.conn)
self.status.emit("")
return self.conn
def getObjects(self, name: str,
**kwargs) -> Generator[BlitzObjectWrapper, None, None]:
if not self.isConnected():
raise RuntimeError("No connection!")
yield from self.conn.getObjects(name, **kwargs)
