def __init__(self):
super(MyWindow, self).__init__()
loader.loadUi('flows_and_temperatures.ui', self)
self.show()
# Initialize internal parameters
self.log_messages = deque(maxlen=10)
self.log('GUI loaded')
# Bind changes in flow widgets to flow change
self.bindings_to_disconnect = []
for name in names('setpoint', 6):
widget = getattr(self, name)
# Make the widgets pass their name as the first argument in the callback
callback = partial(self.flow_change, name)
widget.editingFinished.connect(callback)
self.bindings_to_disconnect.append(
(widget.editingFinished, callback))
self.log('Flow call backs setup')
# Bind buttons
self.load_flow_file_btn.clicked.connect(self.load_flow_file)
self.start_flow_file_btn.clicked.connect(self.start_flow_file)
self.stop_flow_file_btn.clicked.connect(self.stop_flow_file)
# Reload gui values
try:
with open('gui_memory.json') as file_:
gui_memory = json.loads(file_.read())
for name, description in gui_memory.items():
getattr(self, name).setText(description)
self.flow_file.setText(gui_memory['flow_file'])
self.log('Gui memory reloaded from json file')
except IOError:
pass
# Initialize the core
self.flow_temp_core = FlowTempCore(self)
# Start update flows timer
self.flows_timer = QtCore.QTimer(self)
self.flows_timer.timeout.connect(self.update_flows)
self.flows_timer.start(100)
def __init__(self):
super(MyWindow, self).__init__()
loader.loadUi('flows_and_temperatures.ui', self)
self.show()
# Initialize internal parameters
self.log_messages = deque(maxlen=10)
self.log('GUI loaded')
# Bind changes in flow widgets to flow change
self.bindings_to_disconnect = []
for name in names('setpoint', 6):
widget = getattr(self, name)
# Make the widgets pass their name as the first argument in the callback
callback = partial(self.flow_change, name)
widget.editingFinished.connect(callback)
self.bindings_to_disconnect.append((widget.editingFinished, callback))
self.log('Flow call backs setup')
# Bind buttons
self.load_flow_file_btn.clicked.connect(self.load_flow_file)
self.start_flow_file_btn.clicked.connect(self.start_flow_file)
self.stop_flow_file_btn.clicked.connect(self.stop_flow_file)
# Reload gui values
try:
with open('gui_memory.json') as file_:
gui_memory = json.loads(file_.read())
for name, description in gui_memory.items():
getattr(self, name).setText(description)
self.flow_file.setText(gui_memory['flow_file'])
self.log('Gui memory reloaded from json file')
except IOError:
pass
# Initialize the core
self.flow_temp_core = FlowTempCore(self)
# Start update flows timer
self.flows_timer = QtCore.QTimer(self)
self.flows_timer.timeout.connect(self.update_flows)
self.flows_timer.start(100)
class MyWindow(QtGui.QMainWindow):
"""My Window test class"""
def __init__(self):
super(MyWindow, self).__init__()
loader.loadUi('flows_and_temperatures.ui', self)
self.show()
# Initialize internal parameters
self.log_messages = deque(maxlen=10)
self.log('GUI loaded')
# Bind changes in flow widgets to flow change
self.bindings_to_disconnect = []
for name in names('setpoint', 6):
widget = getattr(self, name)
# Make the widgets pass their name as the first argument in the callback
callback = partial(self.flow_change, name)
widget.editingFinished.connect(callback)
self.bindings_to_disconnect.append((widget.editingFinished, callback))
self.log('Flow call backs setup')
# Bind buttons
self.load_flow_file_btn.clicked.connect(self.load_flow_file)
self.start_flow_file_btn.clicked.connect(self.start_flow_file)
self.stop_flow_file_btn.clicked.connect(self.stop_flow_file)
# Reload gui values
try:
with open('gui_memory.json') as file_:
gui_memory = json.loads(file_.read())
for name, description in gui_memory.items():
getattr(self, name).setText(description)
self.flow_file.setText(gui_memory['flow_file'])
self.log('Gui memory reloaded from json file')
except IOError:
pass
# Initialize the core
self.flow_temp_core = FlowTempCore(self)
# Start update flows timer
self.flows_timer = QtCore.QTimer(self)
self.flows_timer.timeout.connect(self.update_flows)
self.flows_timer.start(100)
def flow_change(self, widget_name):
"""Pass on a flow change to hardware"""
value = getattr(self, widget_name).value()
print(repr(value))
codename = WIDGETS_TO_CODENAMES[widget_name]
self.flow_temp_core.set_flow(codename, value)
self.log('{} changed to {}', widget_name, value)
def closeEvent(self, event):
"""Close the program"""
self.flows_timer.stop()
self.flow_temp_core.stop()
# Write descriptions out to file
gui_memory = {}
for name in names('description', 6):
gui_memory[name] = str(getattr(self, name).text())
gui_memory['flow_file'] = str(self.flow_file.text())
with open('gui_memory.json', 'w') as file_:
file_.write(json.dumps(gui_memory))
self.log('GUI memory written to json file, now close')
# Disconnect flow bindings
for signal, callback in self.bindings_to_disconnect:
signal.disconnect(callback)
event.accept()
def load_flow_file(self):
"""Load a flow file"""
current_dir = os.path.dirname(os.path.realpath(__file__))
filepath = str(QtGui.QFileDialog.getOpenFileName(
self, caption='Open flow file', directory=current_dir,
filter="Flow files (*.flow *.txt)"
))
if filepath == '':
self.log('File load aborted')
return
self.log('File "{}" loaded', filepath)
self.flow_file.setText(os.path.relpath(filepath))
def start_flow_file(self):
"""Start the currently loaded flow file"""
flow_file = str(self.flow_file.text())
if flow_file == '':
QtGui.QDialog('Load flow file first')
return
self.log('Start flow file')
self.flow_temp_core.start_flow_file(os.path.abspath(flow_file))
self.log('Started flow file')
def stop_flow_file(self):
"""Stop the currently running flow file"""
self.log('Stop flow file')
self.flow_temp_core.stop_flow_file()
def log(self, message, *args, **kwargs):
"""Log message to log window
Will be formatted like message.format(*args, **kwargs)
"""
timestamp = time.strftime('%Y-%m-%d %H:%M:%S')
logmessage = '{} {}'.format(timestamp, message.format(*args, **kwargs))
#print(logmessage)
self.log_messages.appendleft(logmessage)
self.logtext.setText('\n'.join(self.log_messages))
def update_flows(self):
"""Updating flows"""
flows = self.flow_temp_core.get_flows()
for key, value in CODENAMES_TO_WIDGETS.items():
# key, value is e.g. '21984878', 'value0'
widget = getattr(self, value)
widget.display(flows[key][1])
class MyWindow(QtGui.QMainWindow):
"""My Window test class"""
def __init__(self):
super(MyWindow, self).__init__()
loader.loadUi('flows_and_temperatures.ui', self)
self.show()
# Initialize internal parameters
self.log_messages = deque(maxlen=10)
self.log('GUI loaded')
# Bind changes in flow widgets to flow change
self.bindings_to_disconnect = []
for name in names('setpoint', 6):
widget = getattr(self, name)
# Make the widgets pass their name as the first argument in the callback
callback = partial(self.flow_change, name)
widget.editingFinished.connect(callback)
self.bindings_to_disconnect.append(
(widget.editingFinished, callback))
self.log('Flow call backs setup')
# Bind buttons
self.load_flow_file_btn.clicked.connect(self.load_flow_file)
self.start_flow_file_btn.clicked.connect(self.start_flow_file)
self.stop_flow_file_btn.clicked.connect(self.stop_flow_file)
# Reload gui values
try:
with open('gui_memory.json') as file_:
gui_memory = json.loads(file_.read())
for name, description in gui_memory.items():
getattr(self, name).setText(description)
self.flow_file.setText(gui_memory['flow_file'])
self.log('Gui memory reloaded from json file')
except IOError:
pass
# Initialize the core
self.flow_temp_core = FlowTempCore(self)
# Start update flows timer
self.flows_timer = QtCore.QTimer(self)
self.flows_timer.timeout.connect(self.update_flows)
self.flows_timer.start(100)
def flow_change(self, widget_name):
"""Pass on a flow change to hardware"""
value = getattr(self, widget_name).value()
print(repr(value))
codename = WIDGETS_TO_CODENAMES[widget_name]
self.flow_temp_core.set_flow(codename, value)
self.log('{} changed to {}', widget_name, value)
def closeEvent(self, event):
"""Close the program"""
self.flows_timer.stop()
self.flow_temp_core.stop()
# Write descriptions out to file
gui_memory = {}
for name in names('description', 6):
gui_memory[name] = str(getattr(self, name).text())
gui_memory['flow_file'] = str(self.flow_file.text())
with open('gui_memory.json', 'w') as file_:
file_.write(json.dumps(gui_memory))
self.log('GUI memory written to json file, now close')
# Disconnect flow bindings
for signal, callback in self.bindings_to_disconnect:
signal.disconnect(callback)
event.accept()
def load_flow_file(self):
"""Load a flow file"""
current_dir = os.path.dirname(os.path.realpath(__file__))
filepath = str(
QtGui.QFileDialog.getOpenFileName(
self,
caption='Open flow file',
directory=current_dir,
filter="Flow files (*.flow *.txt)"))
if filepath == '':
self.log('File load aborted')
return
self.log('File "{}" loaded', filepath)
self.flow_file.setText(os.path.relpath(filepath))
def start_flow_file(self):
"""Start the currently loaded flow file"""
flow_file = str(self.flow_file.text())
if flow_file == '':
QtGui.QDialog('Load flow file first')
return
self.log('Start flow file')
self.flow_temp_core.start_flow_file(os.path.abspath(flow_file))
self.log('Started flow file')
def stop_flow_file(self):
"""Stop the currently running flow file"""
self.log('Stop flow file')
self.flow_temp_core.stop_flow_file()
def log(self, message, *args, **kwargs):
"""Log message to log window
Will be formatted like message.format(*args, **kwargs)
"""
timestamp = time.strftime('%Y-%m-%d %H:%M:%S')
logmessage = '{} {}'.format(timestamp, message.format(*args, **kwargs))
#print(logmessage)
self.log_messages.appendleft(logmessage)
self.logtext.setText('\n'.join(self.log_messages))
def update_flows(self):
"""Updating flows"""
flows = self.flow_temp_core.get_flows()
for key, value in CODENAMES_TO_WIDGETS.items():
# key, value is e.g. '21984878', 'value0'
widget = getattr(self, value)
widget.display(flows[key][1])
