class Terminal(QtWidgets.QMainWindow):
"""
Central host to a fleet of :class:`.Pilot` s and user-facing
:mod:`~.core.gui` objects.
Called as a module with the -f flag to give the location of a prefs file, eg::
python terminal.py -f prefs_file.json
if the -f flag is not passed, looks in the default location for prefs
(ie. `/usr/autopilot/prefs.json`)
**Listens used by the internal :class:`.Net_Node` **
+---------------+--------------------------------+--------------------------------------------------------+
| Key | Method | Description |
+===============+================================+========================================================+
| `'STATE'` | :meth:`~.Terminal.l_state` | A Pi has changed state |
+---------------+--------------------------------+--------------------------------------------------------+
| `'PING'` | :meth:`~.Terminal.l_ping` | Someone wants to know if we're alive |
+---------------+--------------------------------+--------------------------------------------------------+
| `'DATA'` | :meth:`~.Terminal.l_data` | Receiving data to store |
+---------------+--------------------------------+--------------------------------------------------------+
| `'HANDSHAKE'` | :meth:`~.Terminal.l_handshake` | Pilot first contact, telling us it's alive and its IP |
+---------------+--------------------------------+--------------------------------------------------------+
** Prefs needed by Terminal **
Typically set by :mod:`.setup.setup_terminal`
* **BASEDIR** - Base directory for all local autopilot data, typically `/usr/autopilot`
* **MSGPORT** - Port to use for our ROUTER listener, default `5560`
* **DATADIR** - `os.path.join(params['BASEDIR'], 'data')`
* **SOUNDDIR** - `os.path.join(params['BASEDIR'], 'sounds')`
* **PROTOCOLDIR** - `os.path.join(params['BASEDIR'], 'protocols')`
* **LOGDIR** - `os.path.join(params['BASEDIR'], 'logs')`
* **REPODIR** - Path to autopilot git repo
* **PILOT_DB** - Location of `pilot_db.json` used to populate :attr:`~.Terminal.pilots`
Attributes:
node (:class:`~.networking.Net_Node`): Our Net_Node we use to communicate with our main networking object
networking (:class:`~.networking.Terminal_Station`): Our networking object to communicate with the outside world
subjects (dict): A dictionary mapping subject ID to :class:`~.subject.Subject` object.
layout (:class:`QtWidgets.QGridLayout`): Layout used to organize widgets
control_panel (:class:`~.gui.Control_Panel`): Control Panel to manage pilots and subjects
data_panel (:class:`~.plots.Plot_Widget`): Plots for each pilot and subject.
logo (:class:`QtWidgets.QLabel`): Label holding our beautiful logo ;X
logger (:class:`logging.Logger`): Used to log messages and network events.
"""
def __init__(self):
# type: () -> None
super(Terminal, self).__init__()
# store instance
globals()['_TERMINAL'] = self
# networking
self.node = None
self.networking = None
self.heartbeat_dur = 10 # check every n seconds whether our pis are around still
# data
self.subjects = {} # Dict of our open subject objects
# gui
self.layout = None
self.widget = None
self.file_menu = None
self.tool_menu = None
self.control_panel = None
self.data_panel = None
self.logo = None
# property private attributes
self._pilots = None
# logging
self.logger = init_logger(self)
# Listen dictionary - which methods to call for different messages
# Methods are spawned in new threads using handle_message
self.listens = {
'STATE': self.l_state, # A Pi has changed state
'PING': self.l_ping, # Someone wants to know if we're alive
'DATA': self.l_data,
'CONTINUOUS':
self.l_data, # handle continuous data same way as other data
'STREAM': self.l_data,
'HANDSHAKE':
self.l_handshake # a pi is making first contact, telling us its IP
}
# Make invoker object to send GUI events back to the main thread
# self.invoker = Invoker()
self.invoker = get_invoker()
# prefs.add('INVOKER', self.invoker)
self.initUI()
# Start Networking
# Networking is in two parts,
# "internal" networking for messages sent to and from the Terminal object itself
# "external" networking for messages to and from all the other components,
# The split is so the external networking can run in another process, do potentially time-consuming tasks
# like resending & confirming message delivery without blocking or missing messages
self.node = Net_Node(id="_T",
upstream='T',
port=prefs.get('MSGPORT'),
listens=self.listens)
self.logger.info("Net Node Initialized")
# Start external communications in own process
# Has to be after init_network so it makes a new context
self.networking = Terminal_Station(self.pilots)
self.networking.start()
self.logger.info("Station object Initialized")
# send an initial ping looking for our pilots
self.node.send('T', 'INIT')
# start beating ur heart
# self.heartbeat_timer = threading.Timer(self.heartbeat_dur, self.heartbeat)
# self.heartbeat_timer.daemon = True
# self.heartbeat_timer.start()
#self.heartbeat(once=True)
self.logger.info('Terminal Initialized')
def initUI(self):
"""
Initializes graphical elements of Terminal.
Including...
* Toolbar
* :class:`.gui.Control_Panel`
* :class:`.plots.Plot_Widget`
"""
# set central widget
self.widget = QtWidgets.QWidget()
self.setCentralWidget(self.widget)
# Start GUI
self.layout = QtWidgets.QGridLayout()
self.layout.setSpacing(0)
self.layout.setContentsMargins(0, 0, 0, 0)
self.widget.setLayout(self.layout)
self.setWindowTitle('Terminal')
#self.menuBar().setFixedHeight(40)
# Main panel layout
#self.panel_layout.setContentsMargins(0,0,0,0)
# Init toolbar
# File menu
# make menu take up 1/10 of the screen
winsize = app.desktop().availableGeometry()
if sys.platform == 'darwin':
bar_height = 0
else:
bar_height = (winsize.height() / 30) + 5
self.menuBar().setFixedHeight(bar_height)
self.file_menu = self.menuBar().addMenu("&File")
self.file_menu.setObjectName("file")
new_pilot_act = QtWidgets.QAction("New &Pilot",
self,
triggered=self.new_pilot)
new_prot_act = QtWidgets.QAction("New Pro&tocol",
self,
triggered=self.new_protocol)
#batch_create_subjects = QtWidgets.QAction("Batch &Create subjects", self, triggered=self.batch_subjects)
# TODO: Update pis
self.file_menu.addAction(new_pilot_act)
self.file_menu.addAction(new_prot_act)
#self.file_menu.addAction(batch_create_subjects)
# Tools menu
self.tool_menu = self.menuBar().addMenu("&Tools")
subject_weights_act = QtWidgets.QAction("View Subject &Weights",
self,
triggered=self.subject_weights)
update_protocol_act = QtWidgets.QAction(
"Update Protocols", self, triggered=self.update_protocols)
reassign_act = QtWidgets.QAction("Batch Reassign Protocols",
self,
triggered=self.reassign_protocols)
calibrate_act = QtWidgets.QAction("Calibrate &Water Ports",
self,
triggered=self.calibrate_ports)
self.tool_menu.addAction(subject_weights_act)
self.tool_menu.addAction(update_protocol_act)
self.tool_menu.addAction(reassign_act)
self.tool_menu.addAction(calibrate_act)
# Plots menu
self.plots_menu = self.menuBar().addMenu("&Plots")
psychometric = QtGui.QAction("Psychometric Curve",
self,
triggered=self.plot_psychometric)
self.plots_menu.addAction(psychometric)
# Tests menu
self.tests_menu = self.menuBar().addMenu("Test&s")
bandwidth_test_act = QtWidgets.QAction("Test Bandwidth",
self,
triggered=self.test_bandwidth)
self.tests_menu.addAction(bandwidth_test_act)
## Init main panels and add to layout
# Control panel sits on the left, controls pilots & subjects
self.control_panel = Control_Panel(pilots=self.pilots,
subjects=self.subjects,
start_fn=self.toggle_start)
# Data panel sits on the right, plots stuff.
self.data_panel = Plot_Widget()
self.data_panel.init_plots(self.pilots.keys())
# Logo goes up top
# https://stackoverflow.com/questions/25671275/pyside-how-to-set-an-svg-icon-in-qtreewidgets-item-and-change-the-size-of-the
#
# pixmap_path = os.path.join(os.path.dirname(prefs.get('AUTOPILOT_ROOT')), 'graphics', 'autopilot_logo_small.svg')
# #svg_renderer = QtSvg.QSvgRenderer(pixmap_path)
# #image = QtWidgets.QImage()
# #self.logo = QtSvg.QSvgWidget()
#
#
# # set size, preserving aspect ratio
# logo_height = round(44.0*((bar_height-5)/44.0))
# logo_width = round(139*((bar_height-5)/44.0))
#
# svg_renderer = QtSvg.QSvgRenderer(pixmap_path)
# image = QtGui.QImage(logo_width, logo_height, QtGui.QImage.Format_ARGB32)
# # Set the ARGB to 0 to prevent rendering artifacts
# image.fill(0x00000000)
# svg_renderer.render(QtGui.QPainter(image))
# pixmap = QtGui.QPixmap.fromImage(image)
# self.logo = QtWidgets.QLabel()
# self.logo.setPixmap(pixmap)
if sys.platform != 'darwin':
self.menuBar().setCornerWidget(self.logo, QtCore.Qt.TopRightCorner)
self.menuBar().adjustSize()
#self.logo.load(pixmap_path)
# Combine all in main layout
#self.layout.addWidget(self.logo, 0,0,1,2)
self.layout.addWidget(self.control_panel, 0, 0, 1, 1)
self.layout.addWidget(self.data_panel, 0, 1, 1, 1)
self.layout.setColumnStretch(0, 1)
self.layout.setColumnStretch(1, 3)
# Set size of window to be fullscreen without maximization
# Until a better solution is found, if not set large enough, the pilot tabs will
# expand into infinity. See the Expandable_Tabs class
#pdb.set_trace()
screensize = app.desktop().screenGeometry()
winsize = app.desktop().availableGeometry()
# want to subtract bounding title box, our title bar, and logo height.
# our y offset will be the size of the bounding title box
# Then our tilebar
# multiply by three to get the inner (file, etc.) bar, the top bar (min, maximize, etc)
# and then the very top system tray bar in ubuntu
#titleBarHeight = self.style().pixelMetric(QtWidgets.QStyle.PM_TitleBarHeight,
# QtWidgets.QStyleOptionTitleBar(), self) * 3
title_bar_height = screensize.height() - winsize.height()
#titleBarHeight = bar_height*2
# finally our logo
logo_height = bar_height
winheight = winsize.height(
) - title_bar_height - logo_height # also subtract logo height
winsize.setHeight(winheight)
self.max_height = winheight
self.setGeometry(winsize)
self.setSizePolicy(QtWidgets.QSizePolicy.Maximum,
QtWidgets.QSizePolicy.Maximum)
# Set heights on control panel and data panel
# move to primary display and show maximized
primary_display = app.desktop().availableGeometry(0)
self.move(primary_display.left(), primary_display.top())
# self.resize(primary_display.width(), primary_display.height())
#
self.control_panel.setMaximumHeight(winheight)
self.data_panel.setMaximumHeight(winheight)
# set stylesheet for main window
self.setStyleSheet(styles.TERMINAL)
# set fonts to antialias
self.setFont(self.font().setStyleStrategy(QtGui.QFont.PreferAntialias))
self.show()
logging.info('UI Initialized')
def reset_ui(self):
"""
Clear Layout and call :meth:`~.Terminal.initUI` again
"""
# type: () -> None
self.layout = QtWidgets.QGridLayout()
self.layout.setSpacing(0)
self.layout.setContentsMargins(0, 0, 0, 0)
self.widget.setLayout(self.layout)
self.setCentralWidget(self.widget)
self.initUI()
################
# Properties
@property
def pilots(self) -> odict:
"""
A dictionary mapping pilot ID to its attributes, including a list of its subjects assigned to it, its IP, etc.
Returns:
dict: like ``self.pilots['pilot_id'] = {'subjects': ['subject_0', 'subject_1'], 'ip': '192.168.0.101'}``
"""
# try to load, if none exists make one
if self._pilots is None:
pilot_db_fn = Path(prefs.get('PILOT_DB'))
# if pilot file doesn't exist, make blank one
if not pilot_db_fn.exists():
self.logger.warning(
f'No pilot_db.json file was found at {pilot_db_fn}, creating a new one'
)
self._pilots = odict()
with open(pilot_db_fn, 'w') as pilot_file:
json.dump(self._pilots, pilot_file)
# otherwise, try to load it
else:
try:
# Load pilots db as ordered dictionary
with open(pilot_db_fn, 'r') as pilot_file:
self._pilots = json.load(pilot_file,
object_pairs_hook=odict)
self.logger.info(
f'successfully loaded pilot_db.json file from {pilot_db_fn}'
)
self.logger.debug(pformat(self._pilots))
except Exception as e:
self.logger.exception((
f"Exception opening pilot_db.json file at {pilot_db_fn}, got exception: {e}.\n",
"Not proceeding to prevent possibly overwriting corrupt pilot_db.file"
))
raise e
return self._pilots
@property
def protocols(self) -> list:
"""
List of protocol names available in ``PROTOCOLDIR``
Returns:
list: list of protocol names in ``prefs.get('PROTOCOLDIR')``
"""
# get list of protocol files
protocols = os.listdir(prefs.get('PROTOCOLDIR'))
protocols = [
os.path.splitext(p)[0] for p in protocols if p.endswith('.json')
]
return protocols
@property
def subject_protocols(self) -> dict:
"""
Returns:
subject_protocols (dict): a dictionary of subjects: [protocol, step]
"""
# get subjects and current protocols
subjects = self.subject_list
subjects_protocols = {}
for subject in subjects:
if subject not in self.subjects.keys():
self.subjects[subject] = Subject(subject)
subjects_protocols[subject] = [
self.subjects[subject].protocol_name,
self.subjects[subject].step
]
return subjects_protocols
@property
def subject_list(self) -> list:
"""
Get a list of all subject IDs
Returns:
list: list of all subject IDs present in :attr:`.Terminal.pilots`
"""
subjects = []
for pilot, vals in self.pilots.items():
subjects.extend(vals['subjects'])
# use sets to get a unique list
subjects = list(set(subjects))
return subjects
##########################3
# Listens & inter-object methods
def heartbeat(self, once=False):
"""
Perioducally send an ``INIT`` message that checks the status of connected pilots
sent with frequency according to :attr:`.Terminal.heartbeat_dur`
Args:
once (bool): if True, do a single heartbeat but don't start a thread to do more.
"""
self.node.send('T', 'INIT', repeat=False, flags={'NOREPEAT': True})
if not once:
self.heartbeat_timer = threading.Timer(self.heartbeat_dur,
self.heartbeat)
self.heartbeat_timer.daemon = True
self.heartbeat_timer.start()
def toggle_start(self, starting, pilot, subject=None):
"""Start or Stop running the currently selected subject's task. Sends a
message containing the task information to the concerned pilot.
Each :class:`Pilot_Panel` is given a lambda function that calls this
one with the arguments specified See :class:`Pilot_Button`, as it is
what calls this function.
Args:
starting (bool): Does this button press mean we are starting (True)
or stopping (False) the task?
pilot: Which Pilot is starting or stopping?
subject: Which Subject is currently selected?
"""
# stopping is the enemy of starting so we put them in the same function to learn about each other
if starting is True:
# Get Weights
start_weight, ok = QtWidgets.QInputDialog.getDouble(
self, "Set Starting Weight", "Starting Weight:")
if ok:
# Ope'nr up if she aint
if subject not in self.subjects.keys():
self.subjects[subject] = Subject(subject)
task = self.subjects[subject].prepare_run()
task['pilot'] = pilot
self.subjects[subject].update_weights(
start=float(start_weight))
self.node.send(to=pilot, key="START", value=task)
# also let the plot know to start
self.node.send(to="P_{}".format(pilot),
key="START",
value=task)
else:
# pressed cancel, don't start
return
else:
# Get Weights
stop_weight, ok = QtWidgets.QInputDialog.getDouble(
self, "Set Stopping Weight", "Stopping Weight:")
if ok:
# Send message to pilot to stop running,
# it should initiate a coherence checking routine to make sure
# its data matches what the Terminal got,
# so the terminal will handle closing the subject object
self.node.send(to=pilot, key="STOP")
# also let the plot know to start
self.node.send(to="P_{}".format(pilot), key="STOP")
# TODO: Start coherence checking ritual
# TODO: Auto-select the next subject in the list.
self.subjects[subject].stop_run()
self.subjects[subject].update_weights(stop=float(stop_weight))
else:
# pressed cancel
return
############################
# MESSAGE HANDLING METHODS
def l_data(self, value):
"""
A Pilot has sent us data.
`value` field of message should have `subject` and `pilot` added to dictionary for identification.
Any key in `value` that matches a column in the subject's trial data table will be saved.
If the subject graduates after receiving this piece of data, stop the current
task running on the Pilot and send the new one.
Args:
value (dict): A dict of field-value pairs to save
"""
# A Pi has sent us data, let's save it huh?
subject_name = value['subject']
self.subjects[subject_name].save_data(value)
if self.subjects[subject_name].did_graduate.is_set() is True:
self.node.send(to=value['pilot'],
key="STOP",
value={'graduation': True})
self.subjects[subject_name].stop_run()
self.subjects[subject_name].graduate()
task = self.subjects[subject_name].prepare_run()
task['pilot'] = value['pilot']
self.node.send(to=value['pilot'], key="START", value=task)
def l_ping(self, value):
"""
TODO:
Reminder to implement heartbeating.
Note:
Currently unused, as Terminal Net_Node stability hasn't been
a problem and no universal system of heartbeating has been
established (global stability has not been an issue).
Args:
value: (unused)
"""
# Only our Station object should ever ping us, because
# we otherwise want it handling any pings on our behalf.
# self.send_message('ALIVE', value=b'T')
pass
def l_state(self, value):
"""A Pilot has changed state, keep track of it.
Args:
value (dict): dict containing `state` .
"""
# TODO: If we are stopping, we enter into a cohere state
# TODO: If we are stopped, close the subject object.
# TODO: Also tell the relevant dataview to clear
# update the pilot button
if value['pilot'] in self.pilots.keys():
if 'state' not in self.pilots[value['pilot']].keys():
self.pilots[value['pilot']]['state'] = value['state']
#self.control_panel.panels[value['pilot']].button.set_state(value['state'])
elif value['state'] != self.pilots[value['pilot']]['state']:
#self.control_panel.panels[value['pilot']].button.set_state(value['state'])
self.pilots[value['pilot']]['state'] = value['state']
def l_handshake(self, value):
"""
Pilot is sending its IP and state on startup.
If we haven't heard of this pilot before, make a new entry in :attr:`~.Terminal.pilots`
and :meth:`.gui.Control_Panel.update_db` .
Args:
value (dict): dict containing `ip` and `state`
"""
if value['pilot'] in self.pilots.keys():
if 'ip' in value.keys():
self.pilots[value['pilot']]['ip'] = value['ip']
if 'state' in value.keys():
self.pilots[value['pilot']]['state'] = value['state']
else:
self.new_pilot(name=value['pilot'], ip=value['ip'])
# update the pilot button
if value['pilot'] in self.control_panel.panels.keys():
self.control_panel.panels[value['pilot']].button.set_state(
value['state'])
self.control_panel.update_db()
#############################
# GUI & etc. methods
def new_pilot(self, ip='', name=None):
"""
Make a new entry in :attr:`.Terminal.pilots` and make appropriate
GUI elements.
Args:
ip (str): Optional. if given, stored in db.
name (str): If None, prompted for a name, otherwise used for entry in pilot DB.
"""
if name is None:
name, ok = QtWidgets.QInputDialog.getText(self, "Pilot ID",
"Pilot ID:")
# make sure we won't overwrite ourself
if name in self.pilots.keys():
# TODO: Pop a window confirming we want to overwrite
pass
if name != '':
new_pilot = {name: {'subjects': [], 'ip': ip}}
self.control_panel.update_db(new=new_pilot)
self.reset_ui()
else:
# Idk maybe pop a dialog window but i don't really see why
pass
def new_protocol(self):
"""
Open a :class:`.gui.Protocol_Wizard` to create a new protocol.
Prompts for name of protocol, then saves in `prefs.get('PROTOCOLDIR')`
"""
self.new_protocol_window = Protocol_Wizard()
self.new_protocol_window.exec_()
if self.new_protocol_window.result() == 1:
steps = self.new_protocol_window.steps
# The values useful to the step functions are stored with a 'value' key in the param_dict
save_steps = []
for s in steps:
param_values = {}
for k, v in s.items():
if 'value' in v.keys():
param_values[k] = v['value']
elif k == 'stim':
# TODO: Super hacky - don't do this. Refactor params already.
param_values[k] = {}
for stimtype, stim in v.items():
param_values[k][stimtype] = stim
save_steps.append(param_values)
# Name the protocol
name, ok = QtWidgets.QInputDialog.getText(self, "Name Protocol",
"Protocol Name:")
if ok and name != '':
protocol_file = os.path.join(prefs.get('PROTOCOLDIR'),
name + '.json')
with open(protocol_file, 'w') as pfile_open:
json.dump(save_steps,
pfile_open,
indent=4,
separators=(',', ': '),
sort_keys=True)
elif name == '' or not ok:
placeholder_name = 'protocol_created_{}'.format(
datetime.date.today().isoformat())
protocol_file = os.path.join(prefs.get('PROTOCOLDIR'),
placeholder_name + '.json')
with open(protocol_file, 'w') as pfile_open:
json.dump(save_steps,
pfile_open,
indent=4,
separators=(',', ': '),
sort_keys=True)
def subject_weights(self):
"""
Gets recent weights from all :attr:`~.Terminal.subjects` and
open a :class:`.gui.Weights` window to view or set weights.
"""
subjects = self.subject_list
# open objects if not already
for subject in subjects:
if subject not in self.subjects.keys():
self.subjects[subject] = Subject(subject)
# for each subject, get weight
weights = []
for subject in subjects:
weight = self.subjects[subject].get_weight(include_baseline=True)
weight['subject'] = subject
weights.append(weight)
self.weight_widget = Weights(weights, self.subjects)
self.weight_widget.show()
def update_protocols(self):
"""
If we change the protocol file, update the stored version in subject files
"""
#
# get list of protocol files
protocols = os.listdir(prefs.get('PROTOCOLDIR'))
protocols = [p for p in protocols if p.endswith('.json')]
updated_subjects = []
subjects = self.subject_list
for subject in subjects:
if subject not in self.subjects.keys():
self.subjects[subject] = Subject(subject)
protocol_bool = [
self.subjects[subject].protocol_name == os.path.splitext(p)[0]
for p in protocols
]
if any(protocol_bool):
which_prot = np.where(protocol_bool)[0][0]
protocol = protocols[which_prot]
self.subjects[subject].assign_protocol(
os.path.join(prefs.get('PROTOCOLDIR'), protocol),
step_n=self.subjects[subject].step)
updated_subjects.append(subject)
msgbox = QtWidgets.QMessageBox()
msgbox.setText("Subject Protocols Updated for:")
msgbox.setDetailedText("\n".join(sorted(updated_subjects)))
msgbox.exec_()
def reassign_protocols(self):
"""
Batch reassign protocols and steps.
Opens a :class:`.gui.Reassign` window after getting protocol data,
and applies any changes made in the window.
"""
reassign_window = Reassign(self.subject_protocols, self.protocols)
reassign_window.exec_()
if reassign_window.result() == 1:
subject_protocols = reassign_window.subjects
for subject, protocol in subject_protocols.items():
step = protocol[1]
protocol = protocol[0]
# since assign_protocol also changes the step, stash the step number here to tell if it's changed
subject_orig_step = self.subjects[subject].step
if self.subjects[subject].protocol_name != protocol:
self.logger.info(
'Setting {} protocol from {} to {}'.format(
subject, self.subjects[subject].protocol_name,
protocol))
protocol_file = os.path.join(prefs.get('PROTOCOLDIR'),
protocol + '.json')
self.subjects[subject].assign_protocol(protocol_file, step)
if subject_orig_step != step:
self.logger.info('Setting {} step from {} to {}'.format(
subject, subject_orig_step, step))
step_name = self.subjects[subject].current[step][
'step_name']
#update history also flushes current - aka it also actually changes the step number
self.subjects[subject].update_history(
'step', step_name, step)
def calibrate_ports(self):
"""
Calibrate :class:`.hardware.gpio.Solenoid` objects.
See :class:`.gui.Calibrate_Water`.
After calibration routine, send results to pilot for storage.
"""
calibrate_window = Calibrate_Water(self.pilots)
calibrate_window.exec_()
if calibrate_window.result() == 1:
for pilot, p_widget in calibrate_window.pilot_widgets.items():
p_results = p_widget.volumes
# p_results are [port][dur] = {params} so running the same duration will
# overwrite a previous run. unnest here so pi can keep a record
unnested_results = {}
for port, result in p_results.items():
unnested_results[port] = []
# result is [dur] = {params}
for dur, inner_result in result.items():
inner_result['dur'] = dur
unnested_results[port].append(inner_result)
# send to pi
self.node.send(to=pilot,
key="CALIBRATE_RESULT",
value=unnested_results)
msgbox = QtWidgets.QMessageBox()
msgbox.setText("Calibration results sent!")
msgbox.exec_()
def test_bandwidth(self):
"""
Test bandwidth of Pilot connection with variable sized arrays as paylods
See :class:`.gui.Bandwidth_Test`
"""
# turn off logging while we run
prev_networking_loglevel = self.networking.logger.level
prev_node_loglevel = self.node.logger.level
self.networking.logger.setLevel(logging.ERROR)
self.node.logger.setLevel(logging.ERROR)
bandwidth_test = Bandwidth_Test(self.pilots)
bandwidth_test.exec_()
self.networking.logger.setLevel(prev_networking_loglevel)
self.node.logger.setLevel(prev_node_loglevel)
def plot_psychometric(self):
"""
Select subject, step, and variables to plot a psychometric curve
"""
if not IMPORTED_VIZ:
_ = pop_dialog("Vizualisation function couldn't be imported!",
"error", VIZ_ERROR)
return
psychometric_dialog = Psychometric(self.subject_protocols)
psychometric_dialog.exec_()
# if user cancels, return
if psychometric_dialog.result() != 1:
return
chart = viz.plot_psychometric(psychometric_dialog.plot_params)
text, ok = QtGui.QInputDialog.getText(self, 'save plot?',
'what to call this thing')
if ok:
chart.save(text)
#chart.serve()
#viz.plot_psychometric(self.subjects_protocols)
#result = psychometric_dialog.exec_()
def closeEvent(self, event):
"""
When Closing the Terminal Window, close any running subject objects,
'KILL' our networking object.
Since the `:class:`.Net_Node` keeping us alive is a `daemon`, no need
to explicitly kill it.
"""
# TODO: Check if any subjects are currently running, pop dialog asking if we want to stop
# Close all subjects files
for m in self.subjects.values():
if m.running is True:
m.stop_run()
# Stop networking
# send message to kill networking process
self.node.send(key="KILL")
event.accept()
def __init__(self):
# type: () -> None
super(Terminal, self).__init__()
# store instance
globals()['_TERMINAL'] = self
# networking
self.node = None
self.networking = None
self.heartbeat_dur = 10 # check every n seconds whether our pis are around still
# data
self.subjects = {} # Dict of our open subject objects
# gui
self.layout = None
self.widget = None
self.file_menu = None
self.tool_menu = None
self.control_panel = None
self.data_panel = None
self.logo = None
# property private attributes
self._pilots = None
# logging
self.logger = init_logger(self)
# Listen dictionary - which methods to call for different messages
# Methods are spawned in new threads using handle_message
self.listens = {
'STATE': self.l_state, # A Pi has changed state
'PING': self.l_ping, # Someone wants to know if we're alive
'DATA': self.l_data,
'CONTINUOUS':
self.l_data, # handle continuous data same way as other data
'STREAM': self.l_data,
'HANDSHAKE':
self.l_handshake # a pi is making first contact, telling us its IP
}
# Make invoker object to send GUI events back to the main thread
# self.invoker = Invoker()
self.invoker = get_invoker()
# prefs.add('INVOKER', self.invoker)
self.initUI()
# Start Networking
# Networking is in two parts,
# "internal" networking for messages sent to and from the Terminal object itself
# "external" networking for messages to and from all the other components,
# The split is so the external networking can run in another process, do potentially time-consuming tasks
# like resending & confirming message delivery without blocking or missing messages
self.node = Net_Node(id="_T",
upstream='T',
port=prefs.get('MSGPORT'),
listens=self.listens)
self.logger.info("Net Node Initialized")
# Start external communications in own process
# Has to be after init_network so it makes a new context
self.networking = Terminal_Station(self.pilots)
self.networking.start()
self.logger.info("Station object Initialized")
# send an initial ping looking for our pilots
self.node.send('T', 'INIT')
# start beating ur heart
# self.heartbeat_timer = threading.Timer(self.heartbeat_dur, self.heartbeat)
# self.heartbeat_timer.daemon = True
# self.heartbeat_timer.start()
#self.heartbeat(once=True)
self.logger.info('Terminal Initialized')