osc.ch1.t_start.set(-10)
osc.ch1.t_stop.set(10)
osc.ch2.t_start.set(-10)
osc.ch2.t_stop.set(10)
osc.ch3.t_start.set(-10)
osc.ch3.t_stop.set(10)
osc.ch4.t_start.set(-10)
osc.ch4.t_stop.set(10)
amp = 1
PSG1.amp(amp)
PSG2.amp(amp)
station = Station()
station.snapshot()
station.add_component(osc)
# Criar um database
initialise_or_create_database_at("~/teste.db")
exp = load_or_create_experiment(experiment_name='osc realtime intro 2',
sample_name="osc realtime 1")
def calculateGain():
Y = osc.ch3.wavesample()
n_mean = int(len(Y) / 2)
value = 2 * np.mean(Y[n_mean:])
value = 10 * np.log(np.power(value, 2))
class UImain(QtWidgets.QMainWindow):
def __init__(self, parent=None, config_file=None):
super(UImain, self).__init__(parent)
self.ui = Ui_MeasureIt()
self.ui.setupUi(self)
self.setWindowTitle("MeasureIt")
self.ui.scanValue.setText('False')
self.ui.scanValue.setStyleSheet('color: red')
self.ui.scanParameterBox.addItem('time', 'time')
self.sweep_settings = {
'time': {
'start': '',
'end': '',
'step': '',
'step_sec': '',
'continual': False,
'bidirectional': False,
'plot_bin': 1,
'save_data': True,
'plot_data': True,
'ramp_to_start': True
}
}
self.set_param_index = 0
self.init_tables()
self.make_connections()
self.station = None
self.sweep = None
self.sweep_queue = SweepQueue(inter_delay=3)
self.devices = {}
self.track_params = {}
self.set_params = {}
self.shown_follow_params = []
self.shown_set_params = []
self.device_init = {}
self.db = ''
self.exp_name = ''
self.sample_name = ''
self.db_set = False
self.datasets = []
self.update_instrument_menu()
self.load_station_and_connect_instruments(config_file)
self.update_datasets()
self.start_logs()
# Create Queue and redirect sys.stdout to this queue
queue = Queue()
sys.stdout = WriteStream(queue)
self.thread = OutputThread(queue)
self.thread.mysignal.connect(self.append_stdout)
self.thread.start()
self.show()
def init_tables(self):
follow_header = self.ui.followParamTable.horizontalHeader()
follow_header.setSectionResizeMode(0, QHeaderView.ResizeToContents)
follow_header.resizeSection(0, 60)
follow_header.setSectionResizeMode(1, QHeaderView.Fixed)
follow_header.resizeSection(1, 60)
follow_header.setSectionResizeMode(2, QHeaderView.Stretch)
follow_header.setSectionResizeMode(3, QHeaderView.ResizeToContents)
follow_header.setSectionResizeMode(4, QHeaderView.Fixed)
follow_header.resizeSection(4, 40)
output_header = self.ui.outputParamTable.horizontalHeader()
output_header.setSectionResizeMode(0, QHeaderView.ResizeToContents)
output_header.resizeSection(0, 60)
output_header.setSectionResizeMode(1, QHeaderView.Fixed)
output_header.resizeSection(1, 60)
output_header.setSectionResizeMode(2, QHeaderView.Stretch)
output_header.setSectionResizeMode(3, QHeaderView.Fixed)
output_header.resizeSection(3, 40)
output_header.setSectionResizeMode(4, QHeaderView.Fixed)
output_header.resizeSection(4, 40)
def make_connections(self):
self.ui.editParameterButton.clicked.connect(self.edit_parameters)
self.ui.startButton.clicked.connect(self.start_sweep)
self.ui.pauseButton.clicked.connect(self.pause_resume_sweep)
self.ui.flipDirectionButton.clicked.connect(self.flip_direction)
self.ui.endButton.clicked.connect(self.end_sweep)
self.ui.saveButton.clicked.connect(self.setup_save)
self.ui.addSweepButton.clicked.connect(self.add_sweep_to_queue)
self.ui.removeActionButton.clicked.connect(
lambda: self.remove_action_from_queue(self.ui.sequenceWidget.
currentRow()))
self.ui.startSequenceButton.clicked.connect(self.start_sequence)
self.ui.addSaveButton.clicked.connect(self.add_save_to_sequence)
self.ui.upSequenceButton.clicked.connect(
lambda: self.move_action_in_sequence(-1))
self.ui.downSequenceButton.clicked.connect(
lambda: self.move_action_in_sequence(+1))
self.ui.actionSaveStation.triggered.connect(self.save_station)
self.ui.actionLoadStation.triggered.connect(self.load_station)
self.ui.actionQuit.triggered.connect(self.close)
self.ui.actionLoad_Sweep.triggered.connect(self.load_sweep)
self.ui.actionSave_Sweep.triggered.connect(self.save_sweep)
self.ui.actionSave_Sequence.triggered.connect(self.save_sequence)
self.ui.actionLoad_Sequence.triggered.connect(self.load_sequence)
self.ui.sequenceWidget.itemDoubleClicked.connect(
self.edit_sequence_item)
self.ui.scanParameterBox.currentIndexChanged.connect(
self.update_param_combobox)
self.update_param_combobox(0)
def update_param_combobox(self, index):
old_set_param = self.ui.scanParameterBox.itemData(self.set_param_index)
self.sweep_settings[old_set_param] = {
'start': self.ui.startEdit.text(),
'end': self.ui.endEdit.text(),
'step': self.ui.stepEdit.text(),
'step_sec': self.ui.stepsecEdit.text(),
'save_data': self.ui.saveBox.isChecked(),
'plot_data': self.ui.livePlotBox.isChecked(),
'plot_bin': self.ui.plotbinEdit.text(),
'bidirectional': self.ui.bidirectionalBox.isChecked(),
'continual': self.ui.continualBox.isChecked()
}
if index == 0:
self.ui.startEdit.setReadOnly(True)
p = self.ui.startEdit.palette()
p.setColor(self.ui.startEdit.backgroundRole(), Qt.gray)
self.ui.startEdit.setPalette(p)
self.ui.stepEdit.setReadOnly(True)
q = self.ui.stepEdit.palette()
q.setColor(self.ui.stepEdit.backgroundRole(), Qt.gray)
self.ui.stepEdit.setPalette(q)
else:
self.ui.startEdit.setReadOnly(False)
p = self.ui.startEdit.palette()
p.setColor(self.ui.startEdit.backgroundRole(), Qt.white)
self.ui.startEdit.setPalette(p)
self.ui.stepEdit.setReadOnly(False)
q = self.ui.stepEdit.palette()
q.setColor(self.ui.stepEdit.backgroundRole(), Qt.white)
self.ui.stepEdit.setPalette(q)
self.update_sweep_box(
self.sweep_settings[self.ui.scanParameterBox.currentData()])
self.set_param_index = index
def start_logs(self):
self.stdout_filename = os.environ[
'MeasureItHome'] + '\\logs\\stdout\\' + datetime.now().strftime(
"%Y-%m-%d") + '.txt'
self.stderr_filename = os.environ[
'MeasureItHome'] + '\\logs\\stderr\\' + datetime.now().strftime(
"%Y-%m-%d") + '.txt'
self.stdout_file = open(self.stdout_filename, 'a')
sys.stderr = open(self.stderr_filename, 'a')
self.stdout_file.write('Started program at ' +
datetime.now().strftime("%H:%M:%S") + '\n')
print('Started program at ' + datetime.now().strftime("%H:%M:%S"),
file=sys.stderr)
self.stdout_file.close()
start_all_logging()
def load_station(self):
(fileName, x) = QFileDialog.getOpenFileName(
self, "Load Station", os.environ['MeasureItHome'] + "\\cfg\\",
"Stations (*.station.yaml)")
if len(fileName) == 0:
return
for name in list(self.devices.keys()):
self.do_remove_device(name)
self.load_station_and_connect_instruments(fileName)
def load_station_and_connect_instruments(self, config_file=None):
self.station = Station()
try:
self.station.load_config_file(config_file)
except Exception as e:
self.show_error(
"Error",
"Couldn't open the station configuration file. Started new station.",
e)
return
if self.station.config is None:
return
for name, instr in self.station.config['instruments'].items():
try:
dev = self.station.load_instrument(name)
self.devices[str(name)] = dev
except Exception as e:
self.show_error(
'Instrument Error', f'Error connecting to {name}, '
'either the name is already in use or the device is unavailable.',
e)
self.update_instrument_menu()
def save_station(self):
ss_ui = SaveStationGUI(self)
if ss_ui.exec_():
fp = ss_ui.get_file()
default = ss_ui.ui.defaultBox.isChecked()
if len(fp) > 0:
self.do_save_station(fp, default)
def do_save_station(self, filename, set_as_default=False):
def add_field(ss, instr, field, value):
try:
ss[field] = instr[value]
except KeyError:
pass
if '.station.yaml' not in filename:
filename += '.station.yaml'
snap = {'instruments': {}}
for name, instr in self.station.snapshot()['instruments'].items():
snap['instruments'][name] = {}
add_field(snap['instruments'][name], instr, 'type', '__class__')
add_field(snap['instruments'][name], instr, 'address', 'address')
snap['instruments'][name]['enable_forced_reconnect'] = True
if name in self.device_init:
snap['instruments'][name]['init'] = {}
for key, value in self.device_init[name].items():
snap['instruments'][name]['init'][key] = value
# Could also save parameter information here
with open(filename, 'w') as file:
yaml = YAML()
yaml.dump(snap, file)
if set_as_default:
qc.config['station']['default_file'] = filename
qc.config.save_config(os.environ['MeasureItHome'] +
'\\cfg\\qcodesrc.json')
def edit_parameters(self):
param_ui = EditParameterGUI(self.devices, self.track_params,
self.set_params, self)
if param_ui.exec_():
self.track_params = param_ui.new_track_params
self.set_params = param_ui.new_set_params
print('Here are the parameters currently being tracked:')
for name, p in self.track_params.items():
print(name)
print('Here are the parameters available for sweeping:')
for name, p in self.set_params.items():
print(name)
self.update_parameters()
def update_parameters(self):
# Set up the follow parameter table
self.ui.followParamTable.clearContents()
self.ui.followParamTable.setRowCount(0)
for m, (name, p) in enumerate(self.track_params.items()):
self.ui.followParamTable.insertRow(m)
paramitem = QTableWidgetItem(name)
paramitem.setData(32, p)
paramitem.setFlags(Qt.ItemIsSelectable)
self.ui.followParamTable.setItem(m, 0, paramitem)
labelitem = QLineEdit(p.label)
labelitem.editingFinished.connect(
lambda p=p, labelitem=labelitem: self.update_labels(
p, labelitem.text()))
self.ui.followParamTable.setCellWidget(m, 1, labelitem)
valueitem = QTableWidgetItem(str(self.get_param(p)))
self.ui.followParamTable.setItem(m, 2, valueitem)
includeBox = QCheckBox()
includeBox.setChecked(True)
self.ui.followParamTable.setCellWidget(m, 3, includeBox)
updateButton = QPushButton("Get")
updateButton.clicked.connect(
lambda checked, m=m, p=p, valueitem=valueitem: valueitem.
setText(str(self.get_param(p))))
self.ui.followParamTable.setCellWidget(m, 4, updateButton)
# Set up the output parameter table
self.ui.outputParamTable.clearContents()
self.ui.outputParamTable.setRowCount(0)
self.ui.scanParameterBox.clear()
self.ui.scanParameterBox.addItem('time', 'time')
for n, (name, p) in enumerate(self.set_params.items()):
self.ui.outputParamTable.insertRow(n)
paramitem = QTableWidgetItem(name)
paramitem.setData(32, p)
paramitem.setFlags(Qt.ItemIsSelectable)
self.ui.outputParamTable.setItem(n, 0, paramitem)
labelitem = QLineEdit(p.label)
labelitem.editingFinished.connect(
lambda p=p, labelitem=labelitem: self.update_labels(
p, labelitem.text()))
self.ui.outputParamTable.setCellWidget(n, 1, labelitem)
valueitem = QLineEdit(str(self.get_param(p)))
self.ui.outputParamTable.setCellWidget(n, 2, valueitem)
setButton = QPushButton("Set")
setButton.clicked.connect(lambda checked, p=p, valueitem=valueitem:
self.set_param(p, valueitem))
self.ui.outputParamTable.setCellWidget(n, 3, setButton)
getButton = QPushButton("Get")
getButton.clicked.connect(
lambda checked, p=p, valueitem=valueitem: valueitem.setText(
str(self.get_param(p))))
self.ui.outputParamTable.setCellWidget(n, 4, getButton)
self.ui.scanParameterBox.addItem(p.label, p)
if p not in list(self.sweep_settings.keys()):
self.sweep_settings[p] = {
'start': '',
'end': '',
'step': '',
'step_sec': '',
'continual': False,
'bidirectional': False,
'plot_bin': 1,
'save_data': True,
'plot_data': True,
'ramp_to_start': True
}
def set_param(self, p, valueitem):
try:
if "Int" in repr(p.vals) or "Number" in repr(p.vals):
safe_set(p, _value_parser(valueitem.text()))
elif "String" in repr(p.vals):
safe_set(p, str(valueitem.text()))
elif "Bool" in repr(p.vals) or 'False' in repr(p.vals):
value = valueitem.text()
if value == "false" or value == "False" or value == "0":
safe_set(p, False)
elif value == "true" or value == "True" or value == "1":
safe_set(p, True)
else:
safe_set(p, value)
else:
safe_set(p, valueitem.text())
except ParameterException:
self.show_error(
'Error',
f'Could not set {p.label} to {valueitem.text()}. Check the command and try '
'again.')
def get_param(self, p):
try:
return str(safe_get(p))
except ParameterException as e:
self.show_error(
'Error',
f'Could not get {p.label}. Check the exception and try again.',
e)
return ''
def update_labels(self, p, newlabel):
p.label = newlabel
for n, (name, param) in enumerate(list(self.track_params.items())):
self.ui.followParamTable.cellWidget(n, 1).setText(param.label)
for n, (name, param) in enumerate(list(self.set_params.items())):
self.ui.outputParamTable.cellWidget(n, 1).setText(param.label)
for n in range(self.ui.scanParameterBox.count() - 1):
param = self.ui.scanParameterBox.itemData(n + 1)
self.ui.scanParameterBox.setItemText(n + 1, param.label)
def create_sweep(self):
# Check if we're scanning time, then if so, do Sweep0D
if self.ui.scanParameterBox.currentText() == 'time':
stop = _value_parser(self.ui.endEdit.text())
stepsec = _value_parser(self.ui.stepsecEdit.text())
plotbin = self.ui.plotbinEdit.text()
plotbin = int(plotbin)
if plotbin < 1:
self.ui.plotbinEdit.setText('1')
raise ValueError
save = self.ui.saveBox.isChecked()
plot = self.ui.livePlotBox.isChecked()
sweep = Sweep0D(max_time=stop,
inter_delay=1 / stepsec,
save_data=save,
plot_data=plot,
plot_bin=plotbin)
# Set up Sweep1D if we're not sweeping time
else:
start = _value_parser(self.ui.startEdit.text())
stop = _value_parser(self.ui.endEdit.text())
step = _value_parser(self.ui.stepEdit.text())
stepsec = _value_parser(self.ui.stepsecEdit.text())
plotbin = self.ui.plotbinEdit.text()
plotbin = int(plotbin)
if plotbin < 1:
self.ui.plotbinEdit.setText('1')
raise ValueError
set_param = self.ui.scanParameterBox.currentData()
twoway = self.ui.bidirectionalBox.isChecked()
continuous = self.ui.continualBox.isChecked()
save = self.ui.saveBox.isChecked()
plot = self.ui.livePlotBox.isChecked()
sweep = Sweep1D(set_param,
start,
stop,
step,
inter_delay=1.0 / stepsec,
bidirectional=twoway,
continual=continuous,
save_data=save,
plot_data=plot,
x_axis_time=0,
plot_bin=plotbin)
for n in range(self.ui.followParamTable.rowCount()):
if self.ui.followParamTable.cellWidget(n, 3).isChecked():
param = self.ui.followParamTable.item(n, 0).data(32)
if param is not sweep.set_param:
sweep.follow_param(param)
sweep.update_signal.connect(self.receive_updates)
sweep.dataset_signal.connect(self.receive_dataset)
if isinstance(sweep, Sweep0D) and len(
sweep._params) == 0 and sweep.plot_data:
self.show_error(
"Error",
"Can't plot time against nothing. Either select some parameters to follow or "
"unselect \'plot data\'.")
sweep = None
return sweep
def start_sweep(self):
if self.sweep is not None:
if self.sweep.is_running:
alert = QMessageBox()
new_sweep = alert.question(
self, "Warning!",
"A sweep is already running! Stop the current sweep and start a new one?",
alert.Yes | alert.No)
if new_sweep == alert.Yes:
self.sweep.stop()
self.sweep.kill()
self.sweep = None
else:
return
elif self.sweep.set_param == self.ui.scanParameterBox.currentData() \
and self.ui.rampToStartBox.isChecked() is False:
alert = QMessageBox()
new_sweep = alert.question(
self, "Warning!",
"You are about to start a new sweep of the parameter you just swept, "
"without ramping from the current setpoint to the start value. Are you "
"sure you wish to do so?", alert.Yes | alert.No)
if new_sweep == alert.Yes:
self.sweep.kill()
self.sweep = None
else:
return
else:
self.sweep.kill()
try:
self.sweep = self.create_sweep()
if self.sweep is None:
return
except ValueError:
self.show_error(
"Error", "One or more of the sweep input values are invalid. "
"Valid inputs consist of a number optionally followed by "
"suffix f/p/n/u/m/k/M/G.")
return
save = self.ui.saveBox.isChecked()
if save and self.db_set is False:
if not self.setup_save():
self.show_error(
'Error',
"Database was not opened. Set save information before running the sweep again."
)
return
self.sweep.start(ramp_to_start=self.ui.rampToStartBox.isChecked())
def pause_resume_sweep(self):
if self.sweep is None:
return
if self.sweep.is_running:
self.sweep.stop()
self.ui.pauseButton.setText("Resume")
else:
self.sweep.resume()
self.ui.pauseButton.setText("Pause")
def flip_direction(self):
if self.sweep is None:
return
self.sweep.flip_direction()
def end_sweep(self):
if self.sweep is None:
return
print('trying to kill the sweep')
self.sweep.kill()
self.sweep = None
def add_sweep_to_queue(self):
try:
sweep = self.create_sweep()
if sweep is None:
return
except ValueError as e:
self.show_error(
"Error", "One or more of the sweep input values are invalid. "
"Valid inputs consist of a number optionally followed by "
"suffix f/p/n/u/m/k/M/G.", e)
return
self.sweep_queue.append(sweep)
self.update_sequence_table()
def update_sequence_table(self, cursor=-1):
self.ui.sequenceWidget.clear()
for n, action in enumerate(self.sweep_queue.queue):
item = QListWidgetItem(action.__repr__())
item.setData(32, action)
self.ui.sequenceWidget.addItem(item)
self.ui.sequenceWidget.setCurrentRow(cursor)
def remove_action_from_queue(self, action):
if isinstance(action, int) and action >= 0:
self.sweep_queue.delete(action)
self.update_sequence_table()
def move_action_in_sequence(self, change):
row = self.ui.sequenceWidget.currentRow()
if row == -1:
return
action = self.ui.sequenceWidget.currentItem().data(32)
new_pos = self.sweep_queue.move(action, change)
self.update_sequence_table(cursor=new_pos)
def add_save_to_sequence(self):
default_db = self.db
default_exp = self.exp_name
default_sample = self.sample_name
for action in self.sweep_queue.queue:
if isinstance(action, DatabaseEntry):
default_db = action.db
default_exp = action.exp
default_sample = action.samp
save_data_ui = SaveDataGUI(self, default_db, default_exp,
default_sample)
if save_data_ui.exec_():
(db, exp_name, sample_name) = save_data_ui.get_save_info()
db_entry = DatabaseEntry(db, exp_name, sample_name,
self.sweep_queue.begin_next)
self.sweep_queue.append(db_entry)
self.update_sequence_table()
def edit_sequence_item(self, action):
n = -1
for num, item in enumerate(self.sweep_queue.queue):
if action.data(32) is item:
n = num
if n == -1:
return
if isinstance(self.sweep_queue.queue[n], BaseSweep):
edit_sweep_ui = EditSweepGUI(self, self.sweep_queue.queue[n])
r = edit_sweep_ui.exec_()
if r == 1:
self.sweep_queue.replace(n, edit_sweep_ui.return_sweep())
self.update_sequence_table()
elif r == 2:
self.sweep_queue.delete(n)
self.update_sequence_table()
elif isinstance(self.sweep_queue.queue[n], DatabaseEntry):
entry = self.sweep_queue.queue[n]
save_data_ui = SaveDataGUI(self, entry.db, entry.exp, entry.samp)
if save_data_ui.exec_():
(db, exp_name, sample_name) = save_data_ui.get_save_info()
db_entry = DatabaseEntry(db, exp_name, sample_name,
self.sweep_queue.begin_next)
self.sweep_queue.replace(n, db_entry)
self.update_sequence_table()
def start_sequence(self):
if self.sweep is not None:
if self.sweep.is_running:
alert = QMessageBox()
new_sweep = alert.question(
self, "Warning!",
"A sweep is already running! Stop the current sweep and start a new one?",
alert.Yes | alert.No)
if new_sweep == alert.Yes:
self.sweep.stop()
self.sweep.kill()
self.sweep = None
else:
return
else:
self.sweep.kill()
save_configured = False
for s in self.sweep_queue.queue:
if isinstance(s, DatabaseEntry):
save_configured = True
elif isinstance(s, BaseSweep):
if s.save_data is True and save_configured is False:
self.show_error(
'Error',
'A sweep will try to save data before a database location is set. Fix '
'and try again.')
return
self.sweep_queue.newSweepSignal.connect(
lambda sweep: self.new_queue_sweep(sweep))
self.sweep_queue.start()
def new_queue_sweep(self, sweep):
self.sweep = sweep
self.update_sequence_table()
def setup_save(self):
save_data_ui = SaveDataGUI(self, self.db, self.exp_name,
self.sample_name)
if save_data_ui.exec_():
(self.db, self.exp_name,
self.sample_name) = save_data_ui.get_save_info()
try:
initialise_or_create_database_at(self.db)
qc.new_experiment(self.exp_name, self.sample_name)
self.db_set = True
return True
except Exception as e:
self.show_error('Error',
"Error opening up database. Try again.", e)
return False
else:
return False
def save_sweep(self):
if self.sweep is None:
self.sweep = self.create_sweep()
(filename, x) = QFileDialog.getSaveFileName(
self, "Save Sweep as JSON",
f"{os.environ['MeasureItHome']}\\Experiments\\untitled_sweep.json",
"JSON (*.txt *.json)")
if len(filename) > 0:
self.sweep.export_json(filename)
def load_sweep(self):
(filename, x) = QFileDialog.getOpenFileName(
self, "Load Sweep from JSON",
f"{os.environ['MeasureItHome']}\\Experiments\\",
"JSON (*.txt *.json)")
if len(filename) > 0:
try:
new_sweep = BaseSweep.init_from_json(filename, self.station)
self.sweep = new_sweep
settings = {
'start': self.sweep.begin,
'end': self.sweep.end,
'step': self.sweep.step,
'step_sec': 1 / self.sweep.inter_delay,
'save_data': self.sweep.save_data,
'plot_data': self.sweep.plot_data,
'plot_bin': self.sweep.plot_bin,
'bidirectional': self.sweep.bidirectional,
'continual': self.sweep.continuous
}
self.update_sweep_box(settings)
# Load parameters
# TODO: set the set_param box
except Exception as e:
self.show_error('Error', "Could not load the sweep.", e)
def update_sweep_box(self, settings):
self.ui.startEdit.setText(str(settings['start']))
self.ui.endEdit.setText(str(settings['end']))
self.ui.stepEdit.setText(str(settings['step']))
self.ui.stepsecEdit.setText(str(settings['step_sec']))
self.ui.saveBox.setChecked(settings['save_data'])
self.ui.livePlotBox.setChecked(settings['plot_data'])
self.ui.plotbinEdit.setText(str(settings['plot_bin']))
self.ui.bidirectionalBox.setChecked(settings['bidirectional'])
self.ui.continualBox.setChecked(settings['continual'])
def save_sequence(self):
(filename, x) = QFileDialog.getSaveFileName(
self, "Save Sequence as JSON",
f"{os.environ['MeasureItHome']}\\Experiments\\untitled.json",
"JSON (*.txt *.json)")
if len(filename) > 0:
self.sweep_queue.export_json(filename)
def load_sequence(self):
(filename, x) = QFileDialog.getOpenFileName(
self, "Load Sequence from JSON",
f"{os.environ['MeasureItHome']}\\Experiments\\",
"JSON (*.txt *.json)")
if len(filename) > 0:
try:
new_queue = SweepQueue.init_from_json(filename, self.station)
self.sweep_queue = new_queue
self.update_sequence_table()
for sweep in self.sweep_queue.queue:
sweep.dataset_signal.connect(self.receive_dataset)
sweep.update_signal.connect(self.receive_updates)
except Exception as e:
self.show_error('Error', "Could not load the sequence.", e)
def add_device(self):
# TODO:
# Add in ability to pass args and kwargs to the constructor
instrument_ui = AddInstrumentGUI(self)
if instrument_ui.exec_():
d = instrument_ui.get_selected()
try:
d['name'] = _name_parser(d['name'])
except ValueError as e:
self.show_error("Error",
"Instrument name must start with a letter.", e)
return
if instrument_ui.ui.nameEdit.text() in self.devices.keys():
self.show_error(
"Error",
"Already have an instrument with that name in the station."
)
return
# Now, set up our initialization for each device, if it doesn't follow the standard initialization
new_dev = self.connect_device(d['device'], d['class'], d['name'],
d['address'], d['args'], d['kwargs'])
if new_dev is not None:
self.devices[d['name']] = new_dev
self.station.add_component(new_dev, update_snapshot=False)
self.update_instrument_menu()
def connect_device(self,
device,
classtype,
name,
address,
args=[],
kwargs={}):
new_dev = None
if name in Instrument.instances():
self.show_error(
"Error",
f'Instrument name is already in use. Try again with a new name.'
)
return None
try:
if device == 'Dummy' or device == 'Test':
new_dev = classtype(name)
else:
new_dev = classtype(name, address, *args, **kwargs)
if len(kwargs.keys()) > 0:
self.device_init[name] = kwargs
except Exception as e:
self.show_error(
"Error",
f'Couldn\'t connect to the instrument. Check address and try again.',
e)
print(e, file=sys.stderr)
if hasattr(new_dev, 'close'):
new_dev.close()
new_dev = None
return new_dev
def update_instrument_menu(self):
# TODO:
# Add some clickable action to the name hanging out in the device menu
self.ui.menuInstruments.clear()
self.ui.addInstrumentAction = QAction("Add instrument...",
self.ui.menuInstruments)
self.ui.addInstrumentAction.setStatusTip("Connect to a new instrument")
self.ui.addInstrumentAction.triggered.connect(self.add_device)
self.ui.removeInstrumentAction = QAction("Remove instrument...",
self.ui.menuInstruments)
self.ui.removeInstrumentAction.setStatusTip("Disconnect an instrument")
self.ui.removeInstrumentAction.triggered.connect(self.remove_device)
self.ui.menuInstruments.addAction(self.ui.addInstrumentAction)
self.ui.menuInstruments.addAction(self.ui.removeInstrumentAction)
self.ui.menuInstruments.addSeparator()
for name, dev in self.devices.items():
act = self.ui.menuInstruments.addAction(
f"{dev.name} ({dev.__class__.__name__})")
act.setData(dev)
def remove_device(self):
remove_ui = RemoveInstrumentGUI(self.devices, self)
if remove_ui.exec_():
dev = remove_ui.ui.instrumentBox.currentText()
if len(dev) > 0:
self.do_remove_device(dev)
def do_remove_device(self, name):
self.station.remove_component(name)
dev = self.devices.pop(name)
dev.close()
if name in self.device_init.keys():
self.device_init.pop(name)
self.update_instrument_menu()
@pyqtSlot(str)
def append_stdout(self, text):
self.ui.consoleEdit.moveCursor(QTextCursor.End)
self.ui.consoleEdit.insertPlainText(text)
self.stdout_file = open(self.stdout_filename, 'a')
time = datetime.now().strftime("%H:%M:%S")
self.stdout_file.write(time + '\t' + text)
self.stdout_file.close()
@pyqtSlot(dict)
def receive_updates(self, update_dict):
is_running = update_dict['status']
set_param = update_dict['set_param']
setpoint = update_dict['setpoint']
direction = update_dict['direction']
self.ui.scanValue.setText(f'{is_running}')
if is_running:
self.ui.scanValue.setStyleSheet('color: green')
self.ui.pauseButton.setText('Pause')
else:
self.ui.scanValue.setStyleSheet('color: red')
self.ui.pauseButton.setText('Resume')
if set_param == 'time':
self.ui.paramValue.setText('time')
else:
self.ui.paramValue.setText(f'{set_param.label}')
if setpoint is not None:
self.ui.setpointValue.setText(f'{str(setpoint)}')
if direction:
self.ui.directionValue.setText('Backward')
else:
self.ui.directionValue.setText('Forward')
@pyqtSlot(dict)
def receive_dataset(self, dataset):
self.datasets.append(dataset)
self.update_datasets()
def update_datasets(self):
self.ui.menuData.clear()
self.ui.loadDatabaseAction = QAction("Load Database", self)
self.ui.loadDatabaseAction.setStatusTip("Load runs from database")
self.ui.loadDatabaseAction.triggered.connect(self.load_database)
self.ui.exportDatasetAction = QAction("Export All", self)
self.ui.exportDatasetAction.setStatusTip(
"Export all datasets currently loaded to csv")
self.ui.exportDatasetAction.triggered.connect(self.export_all_datasets)
self.ui.removeDatasetAction = QAction("Remove All", self)
self.ui.removeDatasetAction.setStatusTip(
"Remove all datasets currently loaded (does not delete data")
self.ui.removeDatasetAction.triggered.connect(self.remove_all_datasets)
self.ui.menuData.addAction(self.ui.loadDatabaseAction)
self.ui.menuData.addAction(self.ui.exportDatasetAction)
self.ui.menuData.addAction(self.ui.removeDatasetAction)
self.ui.menuData.addSeparator()
for ds in self.datasets:
act = self.ui.menuData.addAction(
f"{ds['run id']} - {ds['exp name']} / {ds['sample name']}")
act.setData(ds)
act.triggered.connect(partial(self.view_dataset, ds))
def load_database(self):
def check_existing_ds(ds):
for old_ds in self.datasets:
if str(ds['run id']) == str(old_ds['run id']) and str(ds['exp name']) == str(old_ds['exp name']) \
and str(ds['sample name']) == str(old_ds['sample name']) and str(ds['db']) == str(old_ds['db']):
return False
return True
gui = SaveDataGUI(self)
if gui.exec_():
(db, exp_name, sample_name) = gui.get_save_info()
initialise_or_create_database_at(db)
exps = experiments()
new_datasets = 0
for exp in exps:
for ds in exp.data_sets():
if len(exp_name) == 0 or ds.exp_name == exp_name:
if len(sample_name
) == 0 or ds.sample_name == sample_name:
new_ds = {}
new_ds['run id'] = ds.run_id
new_ds['exp name'] = ds.exp_name
new_ds['sample name'] = ds.sample_name
new_ds['db'] = ds.path_to_db
if check_existing_ds(new_ds) is True:
self.datasets.append(new_ds)
new_datasets += 1
self.update_datasets()
if new_datasets == 0:
self.show_error(
'Error',
'No (new) data sets found with the specified experiment and sample name!'
)
def view_dataset(self, ds):
dataset_gui = ViewDatasetGUI(self, ds)
dataset_gui.show()
dataset_gui.activateWindow()
def export_all_datasets(self):
directory = QFileDialog.getExistingDirectory(
self, "Save Data to .csv",
f'{os.environ["MeasureItHome"]}\\Origin Files\\')
if len(directory) == 0:
return
unsaved_sets = []
for ds_info in self.datasets:
try:
ds = load_by_run_spec(experiment_name=ds_info['exp name'],
sample_name=ds_info['sample name'],
captured_run_id=ds_info['run id'])
filename = f"{directory}\\{ds.run_id}_{ds.exp_name}_{ds.sample_name}.csv"
save_to_csv(ds, filename)
except:
unsaved_sets.append(
f"{ds.run_id}_{ds.exp_name}_{ds.sample_name}")
if len(unsaved_sets) > 0:
error_text = 'Failed to export the following datasets:\n\n'
for i, ds in enumerate(unsaved_sets):
error_text += ds
if i + 1 != len(unsaved_sets):
error_text += ', '
error_text += '.\n\nThis is possibly due to a file name conflict or due to no data being stored in that run.'
self.show_error('Error', error_text)
def remove_all_datasets(self):
alert = QMessageBox()
removal = alert.question(
self, "Warning!",
"You are about to remove all the currently loaded datasets. This will not delete "
"the data, but you will have to reload each run to access them again here. Are you "
"sure you want to do so?", alert.Yes | alert.No)
if removal == alert.Yes:
self.datasets = []
self.update_datasets()
def show_error(self, title, message, e=None):
msg_box = QMessageBox()
msg_box.setWindowTitle(title)
if e is not None:
message += f'\n\nPython message: {e}'
msg_box.setText(message)
msg_box.setStandardButtons(QMessageBox.Ok)
msg_box.exec_()
def exit(self):
for key, dev in self.devices.items():
dev.close()
if self.sweep is not None:
self.sweep.kill()
self.thread.stop = True
self.thread.exit()
if not self.thread.wait(5000):
self.thread.terminate()
print("Forced stdout thread to terminate.", file=sys.stderr)
self.stdout_file = open(self.stdout_filename, 'a')
self.stdout_file.write("Program exited at " +
datetime.now().strftime("%H:%M:%S") + '\n')
print("Program exited at " + datetime.now().strftime("%H:%M:%S"),
file=sys.stderr)
self.stdout_file.close()
app = QtGui.QGuiApplication.instance()
app.closeAllWindows()
def closeEvent(self, event):
are_you_sure = QMessageBox()
close = are_you_sure.question(
self, "Exit",
"Are you sure you want to close all windows and exit the application?",
are_you_sure.Yes | are_you_sure.No)
if close == are_you_sure.Yes:
self.exit()
event.accept()
else:
event.ignore()
return
