python3.7 - how to open a new thread and close the old each click on a button?

Sat Sep 15 12:54:11 EDT 2018

hii all,
python3.7 - how to open a new thread and close the old each click on a button?
here is my code:
 # -*- coding: utf-8 -*-

 # Form implementation generated from reading ui file 'AlonStockMarket.ui'
 #
 # Created by: PyQt5 UI code generator 5.11.2
 #
 # WARNING! All changes made in this file will be lost!

 import time
 import sys
 import requests
 from lxml import html
 import requests
 import urllib.request, urllib.error, urllib.parse
 import _thread
 from PyQt5 import QtCore, QtGui, QtWidgets

 import threading 
 global flag
 global loopexit

 flag=0
 loopexit=0

 def get_quote(str):
 url="https://api.iextrading.com/1.0/stock/"+str+"/price"
 resource = urllib.request.urlopen(url)
 content = resource.read().decode(resource.headers.get_content_charset())
 print (content)
 content=float(content)
 return content

 def myfunction():
 global flag
 global loopexit
 print ("Executing myfunction in thread: ")
 print("hello, world")
 while loopexit!=1:
 if (loopexit==1):
 break
 time.sleep(15)
 f=open("flag.txt", "r")
 if f.mode == 'r': 
 flag =f.read()
 timeHour = int(time.strftime('%H'))
 print("keep alive")
 print (time.strftime('%H:%M:%S'))
 while ((timeHour>16) and (timeHour<23) and loopexit!=1):
 if (loopexit==1):
 break
 print(time.strftime('%H:%M:%S'))
 price=get_quote(UserSymbol)
 time.sleep(5)
 if flag!=time.strftime("%d/%m/%Y") and price>UserStockPrice and (RadioButtonAbove==True):
 print ("send SMS")
 import requests
 requests.post('https://textbelt.com/text', {
 'phone': '+972541234567',
 'message': "Hi Alon Najman,EVOK value: "+price,
 'key': 'secret',
 }) 
 #write to file
 with open("flag.txt", "w") as text_file:
 text_file.write(format(time.strftime("%d/%m/%Y")))
 #read from file
 f=open("flag.txt", "r")
 if f.mode == 'r': 
 flag =f.read()

 if flag!=time.strftime("%d/%m/%Y") and price<UserStockPrice and (RadioButtonBellow==True):
 print ("send SMS")
 import requests
 requests.post('https://textbelt.com/text', {
 'phone': '+972546233257',
 'message': "Hi Alon Najman,EVOK value: "+price,
 'key': 'secret',
 }) 
 #write to file
 with open("flag.txt", "w") as text_file:
 text_file.write(format(time.strftime("%d/%m/%Y")))
 #read from file
 f=open("flag.txt", "r")
 if f.mode == 'r': 
 flag =f.read() 

 from PyQt5 import QtCore, QtGui, QtWidgets

 class Ui_Dialog(object):
 def setupUi(self, Dialog):
 Dialog.setObjectName("Dialog")
 Dialog.resize(666, 571)
 self.radioButton = QtWidgets.QRadioButton(Dialog)
 self.radioButton.setGeometry(QtCore.QRect(80, 190, 191, 24))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.radioButton.setFont(font)
 self.radioButton.setObjectName("radioButton")
 self.buttonGroup_2 = QtWidgets.QButtonGroup(Dialog)
 self.buttonGroup_2.setObjectName("buttonGroup_2")
 self.buttonGroup_2.addButton(self.radioButton)
 self.checkBox = QtWidgets.QCheckBox(Dialog)
 self.checkBox.setGeometry(QtCore.QRect(290, 450, 131, 17))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.checkBox.setFont(font)
 self.checkBox.setObjectName("checkBox")
 self.checkBox_2 = QtWidgets.QCheckBox(Dialog)
 self.checkBox_2.setGeometry(QtCore.QRect(290, 480, 141, 17))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.checkBox_2.setFont(font)
 self.checkBox_2.setObjectName("checkBox_2")
 self.radioButton_2 = QtWidgets.QRadioButton(Dialog)
 self.radioButton_2.setGeometry(QtCore.QRect(300, 190, 186, 24))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.radioButton_2.setFont(font)
 self.radioButton_2.setObjectName("radioButton_2")
 self.buttonGroup_2.addButton(self.radioButton_2)
 self.pushButton = QtWidgets.QPushButton(Dialog)
 self.pushButton.setGeometry(QtCore.QRect(60, 460, 72, 31))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.pushButton.setFont(font)
 self.pushButton.setObjectName("pushButton")
 self.radioButton_3 = QtWidgets.QRadioButton(Dialog)
 self.radioButton_3.setGeometry(QtCore.QRect(80, 250, 191, 24))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.radioButton_3.setFont(font)
 self.radioButton_3.setObjectName("radioButton_3")
 self.buttonGroup = QtWidgets.QButtonGroup(Dialog)
 self.buttonGroup.setObjectName("buttonGroup")
 self.buttonGroup.addButton(self.radioButton_3)
 self.radioButton_4 = QtWidgets.QRadioButton(Dialog)
 self.radioButton_4.setGeometry(QtCore.QRect(300, 250, 186, 24))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.radioButton_4.setFont(font)
 self.radioButton_4.setObjectName("radioButton_4")
 self.buttonGroup.addButton(self.radioButton_4)
 self.pushButton_2 = QtWidgets.QPushButton(Dialog)
 self.pushButton_2.setGeometry(QtCore.QRect(30, 20, 72, 31))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.pushButton_2.setFont(font)
 self.pushButton_2.setObjectName("pushButton_2")
 self.textEdit_4 = QtWidgets.QTextEdit(Dialog)
 self.textEdit_4.setGeometry(QtCore.QRect(310, 383, 221, 38))
 font = QtGui.QFont()
 font.setPointSize(16)
 self.textEdit_4.setFont(font)
 self.textEdit_4.setObjectName("textEdit_4")
 self.textEdit_5 = QtWidgets.QTextEdit(Dialog)
 self.textEdit_5.setGeometry(QtCore.QRect(310, 340, 221, 38))
 font = QtGui.QFont()
 font.setPointSize(16)
 self.textEdit_5.setFont(font)
 self.textEdit_5.setObjectName("textEdit_5")
 self.label = QtWidgets.QLabel(Dialog)
 self.label.setGeometry(QtCore.QRect(150, 80, 111, 16))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.label.setFont(font)
 self.label.setObjectName("label")
 self.label_2 = QtWidgets.QLabel(Dialog)
 self.label_2.setGeometry(QtCore.QRect(410, 80, 131, 16))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.label_2.setFont(font)
 self.label_2.setObjectName("label_2")
 self.label_3 = QtWidgets.QLabel(Dialog)
 self.label_3.setGeometry(QtCore.QRect(160, 350, 121, 20))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.label_3.setFont(font)
 self.label_3.setObjectName("label_3")
 self.label_4 = QtWidgets.QLabel(Dialog)
 self.label_4.setGeometry(QtCore.QRect(140, 390, 171, 20))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.label_4.setFont(font)
 self.label_4.setObjectName("label_4")
 self.splitter = QtWidgets.QSplitter(Dialog)
 self.splitter.setGeometry(QtCore.QRect(80, 120, 512, 31))
 self.splitter.setOrientation(QtCore.Qt.Horizontal)
 self.splitter.setObjectName("splitter")
 self.textEdit_2 = QtWidgets.QTextEdit(self.splitter)
 self.textEdit_2.setObjectName("textEdit_2")
 self.textEdit_3 = QtWidgets.QTextEdit(self.splitter)
 self.textEdit_3.setObjectName("textEdit_3")
 self.label_5 = QtWidgets.QLabel(Dialog)
 self.label_5.setGeometry(QtCore.QRect(170, 30, 351, 31))
 font = QtGui.QFont()
 font.setFamily("Arial")
 font.setPointSize(18)
 self.label_5.setFont(font)
 self.label_5.setObjectName("label_5")
 self.pushButton_3 = QtWidgets.QPushButton(Dialog)
 self.pushButton_3.setGeometry(QtCore.QRect(150, 460, 72, 31))
 font = QtGui.QFont()
 font.setPointSize(14)
 self.pushButton_3.setFont(font)
 self.pushButton_3.setObjectName("pushButton_3")
 self.retranslateUi(Dialog)
 QtCore.QMetaObject.connectSlotsByName(Dialog)
 self.pushButton.clicked.connect(self.printMessage)
 self.radioButton.toggled.connect(self.myradioButton1_function)
 self.radioButton_2.toggled.connect(self.myradioButton2_function)

 def myradioButton1_function(self):
 if self.radioButton.isChecked():
 print ('myradioButton1 is Checked') 

 def myradioButton2_function(self):
 if self.radioButton_2.isChecked():
 print ('myradioButton2 is Checked')

 def printMessage(self):
 global UserSymbol
 global UserStockPrice
 UserSymbol=self.textEdit_2.toPlainText()
 UserSymbol=str(UserSymbol)
 print (UserSymbol)
 UserStockPrice=self.textEdit_3.toPlainText()
 UserStockPrice=float(UserStockPrice)
 t = threading.Thread(target=myfunction)
 t.start()

 def retranslateUi(self, Dialog):
 _translate = QtCore.QCoreApplication.translate
 Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
 self.radioButton.setText(_translate("Dialog", "Above Price (x>)"))
 self.checkBox.setText(_translate("Dialog", "SMS ALERT"))
 self.checkBox_2.setText(_translate("Dialog", "GMAIL ALERT"))
 self.radioButton_2.setText(_translate("Dialog", "Bellow Price (x<)"))
 self.pushButton.setText(_translate("Dialog", "START"))
 self.radioButton_3.setText(_translate("Dialog", "get alert once a day"))
 self.radioButton_4.setText(_translate("Dialog", "get alert every time"))
 self.pushButton_2.setText(_translate("Dialog", "EXIT"))
 self.textEdit_4.setHtml(_translate("Dialog", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
 "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
 "p, li { white-space: pre-wrap; }\n"
 "</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:16pt; font-weight:400; font-style:normal;\">\n"
 "<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>"))
 self.textEdit_5.setHtml(_translate("Dialog", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
 "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
 "p, li { white-space: pre-wrap; }\n"
 "</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:16pt; font-weight:400; font-style:normal;\">\n"
 "<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>"))
 self.label.setText(_translate("Dialog", "SYMBOL:"))
 self.label_2.setText(_translate("Dialog", "PRICE :"))
 self.label_3.setText(_translate("Dialog", "User of Gmail:"))
 self.label_4.setText(_translate("Dialog", "Password of Gmail:"))
 self.textEdit_2.setHtml(_translate("Dialog", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
 "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
 "p, li { white-space: pre-wrap; }\n"
 "</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:18pt; font-weight:400; font-style:normal;\">\n"
 "<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>"))
 self.textEdit_3.setHtml(_translate("Dialog", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
 "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
 "p, li { white-space: pre-wrap; }\n"
 "</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:18pt; font-weight:400; font-style:normal;\">\n"
 "<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>"))
 self.label_5.setText(_translate("Dialog", "ALON STOCK MARKET APP"))
 self.pushButton_3.setText(_translate("Dialog", "STOP"))

 if __name__ == "__main__":
 import sys
 app = QtWidgets.QApplication(sys.argv)
 Dialog = QtWidgets.QDialog()
 ui = Ui_Dialog()
 ui.setupUi(Dialog)
 Dialog.show()
 sys.exit(app.exec_())