add auto refresh of status and run status_update in thread

timebot/gui.py

@@ -1,9 +1,23 @@
 from PyQt5 import QtGui
+from PyQt5.QtCore import QTimer, QObject, pyqtSignal, QThread
 from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton, QLabel
 
 from timebot.timebot import TimeBot
 
 
+class Worker(QObject):
+    sendmsg = pyqtSignal(object)
+    finished = pyqtSignal()
+
+    def __init__(self, timebot: TimeBot):
+        super().__init__()
+        self.timebot = timebot
+
+    def run(self):
+        self.sendmsg.emit(self.timebot.status())
+        self.finished.emit()
+
+
 class TimebotMain(QWidget):
     def __init__(self, timebot: TimeBot, parent=None):
         super().__init__(parent)
@@ -15,23 +29,47 @@ class TimebotMain(QWidget):
         self.setWindowIcon(QtGui.QIcon.fromTheme('face-devilish'))
         self.resize(300, 270)
 
-        self.text_box = QLabel()
+        self.text_box_update_status = QLabel()
-        self.btnPress1 = QPushButton("Show / Refresh Status")
+        self.btn_update_status = QPushButton("Show / Refresh Status")
         self.btnPress2 = QPushButton("Button 2")
 
         layout = QVBoxLayout()
-        layout.addWidget(self.text_box)
+        layout.addWidget(self.text_box_update_status)
-        layout.addWidget(self.btnPress1)
+        layout.addWidget(self.btn_update_status)
         layout.addWidget(self.btnPress2)
         self.setLayout(layout)
 
-        self.btnPress1.clicked.connect(self.show_status)
+        self.btn_update_status.clicked.connect(self.update_status)
         self.btnPress2.clicked.connect(self.btnPress2_Clicked)
 
-        self.show_status()
+        self.status_timer = QTimer()
+        self.status_timer.timeout.connect(self.update_status)
+        self.status_timer.start(5000)
+
+        self.update_status_running = False
+
+    def update_status_started(self):
+        self.btn_update_status.setEnabled(False)
+        self.update_status_running = True
+
+    def update_status_finished(self):
+        self.btn_update_status.setEnabled(True)
+        self.update_status_running = False
 
-    def show_status(self):
+    def update_status(self):
-        self.text_box.setText(self.timebot.status())
+        if self.update_status_running:
+            return
+        self.status_thread = QThread()
+        self.status_worker = Worker(self.timebot)
+        self.status_worker.moveToThread(self.status_thread)
+        self.status_thread.started.connect(self.status_worker.run)
+        self.status_worker.finished.connect(self.status_thread.quit)
+        self.status_worker.finished.connect(self.status_worker.deleteLater)
+        self.status_thread.finished.connect(self.status_thread.deleteLater)
+        self.status_thread.finished.connect(lambda: self.update_status_finished())
+        self.status_worker.sendmsg.connect(self.text_box_update_status.setText)
+        self.status_thread.start()
+        self.update_status_started()
 
     def btnPress2_Clicked(self):
         pass