def __init__(self,
address,
*,
prefix=b"",
deserializer=pickle.loads,
parent=None):
super().__init__(parent)
if isinstance(prefix, str):
raise ValueError("prefix must be bytes, not string")
if b" " in prefix:
raise ValueError("prefix {!r} may not contain b' '".format(prefix))
self._prefix = prefix
if isinstance(address, str):
address = address.split(":", maxsplit=1)
self._deserializer = deserializer
self.address = (address[0], int(address[1]))
self._context = zmq.Context()
self._socket = self._context.socket(zmq.SUB)
url = "tcp://%s:%d" % self.address
self._socket.connect(url)
self._socket.setsockopt_string(zmq.SUBSCRIBE, "")
self._task = None
self.closed = False
self._timer = QTimer(self)
self._dispatcher = Dispatcher()
self.subscribe = self._dispatcher.subscribe
self._waiting_for_start = True
def __init__(self):
# Public dispatcher for callbacks
self.dispatcher = Dispatcher()
# Local caches for internal use
self.seq_count = 0 # Maintain our own sequence count for this stream
self.raw_descriptors = dict() # Store raw descriptors for use later
self._stream_start_uid = None # Generated start doc uid
self._descriptors = dict() # Dictionary of sent descriptors
def __init__(self,
queue,
teleport,
*scan_widgets,
live_widget=None,
**kwargs):
super().__init__(**kwargs)
self.label = label = StartLabel()
self.queue = queue
self.teleport = teleport
self.md_parameters = MetaDataEntry(name='Metadata')
self.md_widget = ParameterTree()
self.md_widget.setParameters(self.md_parameters)
outmost_layout = QtWidgets.QHBoxLayout()
input_layout = QtWidgets.QVBoxLayout()
outmost_layout.addLayout(input_layout)
input_layout.addWidget(label)
self.tabs = TabScanSelector(*scan_widgets)
input_layout.addWidget(self.tabs)
for sw in scan_widgets:
sw.md_parameters = self.md_parameters
self.go_button = QtWidgets.QPushButton('SCAN!')
self.md_button = QtWidgets.QPushButton('edit metadata')
input_layout.addWidget(self.md_button)
input_layout.addWidget(self.go_button)
self.teleport.name_doc.connect(label.doc_consumer)
self.cbr = Dispatcher()
self.bec = BestEffortCallback()
self.teleport.name_doc.connect(
lambda name, doc: self.cbr.process(DocumentNames(name), doc))
self.cbr.subscribe(self.bec)
def runner():
self.queue.put(self.tabs.get_plan())
self.go_button.clicked.connect(runner)
self.md_button.clicked.connect(self.md_widget.show)
if live_widget is None:
live_widget = LivePlaceholder()
self.live_widget = live_widget
self.teleport.name_doc.connect(live_widget.doc_consumer)
outmost_layout.addWidget(live_widget)
self.setLayout(outmost_layout)
def __init__(self, address, *, prefix=b"", deserializer=pickle.loads):
if isinstance(prefix, str):
raise ValueError("prefix must be bytes, not string")
if b" " in prefix:
raise ValueError("prefix {!r} may not contain b' '".format(prefix))
self._prefix = prefix
if isinstance(address, str):
address = address.split(":", maxsplit=1)
self._deserializer = deserializer
self.address = (address[0], int(address[1]))
self.closed = False
self._thread = None
self._process = None
self._result_queue = multiprocessing.Queue()
self._kill_worker = multiprocessing.Queue()
self._dispatcher = Dispatcher()
self.subscribe = self._dispatcher.subscribe
self._waiting_for_start = True