thermostat/pytec/tec_qt.py

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from PyQt6 import QtWidgets, uic
from PyQt6.QtCore import QThread, QThreadPool, pyqtSignal, QRunnable, QObject, QSignalBlocker, pyqtSlot, QDeadlineTimer
from pyqtgraph import PlotWidget
from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem, registerParameterType
import pyqtgraph as pg
import sys
import argparse
import logging
import asyncio
import atexit
from pytec.client import Client
from qasync import QEventLoop
# pyuic6 -x tec_qt.ui -o ui_tec_qt.py
from ui_tec_qt import Ui_MainWindow
tec_client: Client = None
# ui = None
ui: Ui_MainWindow = None
queue = None
connection_watcher = None
client_watcher = None
app: QtWidgets.QApplication = None
def get_argparser():
parser = argparse.ArgumentParser(description="ARTIQ master")
parser.add_argument("--connect", default=None, action="store_true",
help="Automatically connect to the specified Thermostat in IP:port format")
parser.add_argument('IP', metavar="ip", default=None, nargs='?')
parser.add_argument('PORT', metavar="port", default=None, nargs='?')
parser.add_argument("-l", "--log", dest="logLevel", choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
help="Set the logging level")
return parser
def wrap_client_task(func, *args, **kwargs):
loop = asyncio.get_event_loop()
task = ClientTask(func, *args, **kwargs)
asyncio.ensure_future(queue.put(task), loop=loop)
async def process_client_tasks():
global queue
if queue is None:
queue = asyncio.Queue()
loop = asyncio.get_event_loop()
while True:
task = await queue.get()
await task.run()
queue.task_done()
class ClientTask:
def __init__(self, func, *args, **kwargs):
self.func = func
self.args = args
self.kwargs = kwargs
super().__init__()
async def run(self):
try:
lock = asyncio.Lock()
async with lock:
self.func(*self.args, **self.kwargs)
except (TimeoutError, OSError):
logging.warning("Client connection error, disconnecting", exc_info=True)
if connection_watcher:
#thread_pool.clear() # clearing all next requests
connection_watcher.client_disconnected()
class WatchConnectTask(QObject):
connected = pyqtSignal(bool)
hw_rev = pyqtSignal(dict)
connecting = pyqtSignal()
fan_update = pyqtSignal(object)
def __init__(self, parent, ip, port):
self.ip = ip
self.port = port
super().__init__(parent)
def run(self):
global tec_client
try:
if tec_client:
tec_client.disconnect()
tec_client = None
self.connected.emit(False)
else:
self.connecting.emit()
tec_client = Client(host=self.ip, port=self.port, timeout=30)
self.connected.emit(True)
wrap_client_task(lambda: self.hw_rev.emit(tec_client.hw_rev()))
# wrap_client_task(lambda: self.fan_update.emit(tec_client.fan()))
except Exception as e:
logging.error(f"Failed communicating to the {self.ip}:{self.port}: {e}")
self.connected.emit(False)
@pyqtSlot()
def client_disconnected(self):
global tec_client
if tec_client:
tec_client.disconnect()
tec_client = None
self.connected.emit(False)
class ClientWatcher(QObject):
fan_update = pyqtSignal(object)
pwm_update = pyqtSignal(object)
report_update = pyqtSignal(object)
pid_update = pyqtSignal(object)
def __init__(self, parent, update_s):
self.update_s = update_s
self.running = True
super().__init__(parent)
async def run(self):
while self.running:
wrap_client_task(lambda: self.update_params())
await asyncio.sleep(int(self.update_s * 1000))
def update_params(self):
self.fan_update.emit(tec_client.fan())
@pyqtSlot()
def stop_watching(self):
self.running = False
#deadline = QDeadlineTimer()
#deadline.setDeadline(100)
#self.wait(deadline)
#self.terminate()
@pyqtSlot()
def set_update_s(self):
self.update_s = ui.report_refresh_spin.value()
def on_connection_changed(result):
global client_watcher, connection_watcher
ui.graph_group.setEnabled(result)
ui.hw_rev_lbl.setEnabled(result)
ui.fan_group.setEnabled(result)
ui.report_group.setEnabled(result)
ui.ip_set_line.setEnabled(not result)
ui.port_set_spin.setEnabled(not result)
ui.status_lbl.setText("Connected" if result else "Disconnected")
ui.connect_btn.setText("Disconnect" if result else "Connect")
if not result:
ui.hw_rev_lbl.setText("Thermostat vX.Y")
ui.fan_group.setStyleSheet("")
if client_watcher:
client_watcher.stop_watching()
client_watcher = None
elif client_watcher is None:
client_watcher = ClientWatcher(ui.main_widget, ui.report_refresh_spin.value())
client_watcher.fan_update.connect(fan_update)
ui.report_apply_btn.clicked.connect(client_watcher.set_update_s)
app.aboutToQuit.connect(client_watcher.stop_watching)
wrap_client_task(client_watcher.run)
def hw_rev(hw_rev_d: dict):
logging.debug(hw_rev_d)
ui.hw_rev_lbl.setText(f"Thermostat v{hw_rev_d['rev']['major']}.{hw_rev_d['rev']['major']}")
ui.fan_group.setEnabled(hw_rev_d["settings"]["fan_available"])
if hw_rev_d["settings"]["fan_pwm_recommended"]:
ui.fan_group.setStyleSheet("")
ui.fan_group.setToolTip("")
else:
ui.fan_group.setStyleSheet("background-color: yellow")
ui.fan_group.setToolTip("Changing the fan settings of not recommended")
def fan_update(fan_settings):
logging.debug(fan_settings)
if fan_settings is None:
return
with QSignalBlocker(ui.fan_power_slider) as _:
ui.fan_power_slider.setValue(fan_settings["fan_pwm"])
ui.fan_power_slider.setEnabled(not fan_settings["auto_mode"])
with QSignalBlocker(ui.fan_auto_box) as _:
ui.fan_auto_box.setChecked(fan_settings["auto_mode"])
def fan_set():
global tec_client
if tec_client is None or ui.fan_auto_box.isChecked():
return
wrap_client_task(lambda: tec_client.set_param("fan", ui.fan_power_slider.value()))
def fan_auto_set(enabled):
global tec_client
if tec_client is None:
return
ui.fan_power_slider.setEnabled(not enabled)
if enabled:
wrap_client_task(lambda: tec_client.set_param("fan", "auto"))
else:
wrap_client_task(lambda: tec_client.set_param("fan", ui.fan_power_slider.value()))
def connect():
global connection_watcher
connection_watcher = WatchConnectTask(ui.main_widget, ui.ip_set_line.text(), ui.port_set_spin.value())
connection_watcher.connected.connect(on_connection_changed)
connection_watcher.connecting.connect(lambda: ui.status_lbl.setText("Connecting..."))
connection_watcher.hw_rev.connect(hw_rev)
connection_watcher.fan_update.connect(fan_update)
wrap_client_task(connection_watcher.run)
#app.aboutToQuit.connect(connection_watcher.terminate)
def main():
global ui, app, queue
args = get_argparser().parse_args()
if args.logLevel:
logging.basicConfig(level=getattr(logging, args.logLevel))
app = QtWidgets.QApplication(sys.argv)
loop = QEventLoop(app)
asyncio.set_event_loop(loop)
atexit.register(loop.close)
loop.create_task(process_client_tasks())
main_window = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(main_window)
# ui = uic.loadUi('tec_qt.ui', main_window)
ui.connect_btn.clicked.connect(lambda _checked: connect())
ui.fan_power_slider.valueChanged.connect(fan_set)
ui.fan_auto_box.stateChanged.connect(fan_auto_set)
if args.connect:
if args.IP:
ui.ip_set_line.setText(args.IP)
if args.PORT:
ui.port_set_spin.setValue(int(args.PORT))
ui.connect_btn.click()
main_window.show()
loop.run_until_complete(app.exec())
if __name__ == '__main__':
main()