Created
January 29, 2020 09:56
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Peters Petrol pumps. One of my first Python projects. I'll upload this to a proper repo with running instructions at some point.
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| # Jamie Roos | Peter's Petrol Pump's | Required - petrolpump.png in parent directory for window icon | |
| import sys | |
| from PyQt4 import QtGui,QtCore | |
| class Pump(QtGui.QDialog): | |
| def __init__(self,parent = None): | |
| # private variables | |
| self.amountToPay = 0.0 | |
| self.numLitres = 0.0 | |
| self.pricePerLitre = (1.199) # write price in pounds - program converts into pence for display | |
| self.inUse = False | |
| self.pumping = False | |
| # gui stuff | |
| QtGui.QMainWindow.__init__(self) | |
| self.resize(400,320) | |
| self.move(270,50) | |
| self.grid = QtGui.QGridLayout() | |
| self.setWindowIcon(QtGui.QIcon('petrolpump.png')) | |
| self.counter = 0 | |
| self.timer = QtCore.QTimer() | |
| # -------------------------------------------- | |
| self.priceDisplay = QtGui.QLCDNumber(6,self) | |
| self.totalDisplay = QtGui.QLCDNumber(6,self) | |
| self.litreDisplay = QtGui.QLCDNumber(6,self) | |
| self.priceLabel = QtGui.QLabel("Price Per Litre (p)") | |
| self.totalLabel = QtGui.QLabel("Total Price") | |
| self.litreLabel = QtGui.QLabel("No. of Litres") | |
| self.removePumpButton = QtGui.QPushButton("Remove Pump") | |
| self.replacePumpButton = QtGui.QPushButton("Replace Pump") | |
| self.pumpButton = QtGui.QPushButton("Pump Petrol") | |
| self.setWindowTitle("Peter's Petrol Pumps") | |
| self.stopPumpButton = QtGui.QPushButton("Stop Pump") | |
| # -------------------------------------------- | |
| self.grid.addWidget(self.priceDisplay,1,2) | |
| self.grid.addWidget(self.priceLabel,1,1) | |
| self.grid.addWidget(self.totalDisplay,2,2) | |
| self.grid.addWidget(self.totalLabel,2,1) | |
| self.grid.addWidget(self.litreDisplay,3,2) | |
| self.grid.addWidget(self.litreLabel,3,1) | |
| self.grid.addWidget(self.removePumpButton,4,1) | |
| self.grid.addWidget(self.replacePumpButton,5,1) | |
| self.grid.addWidget(self.pumpButton,4,2) | |
| self.grid.addWidget(self.stopPumpButton,5,2) | |
| # -------------------------------------------- | |
| self.setLayout(self.grid) | |
| self.connect(self.removePumpButton,QtCore.SIGNAL("clicked()"),self.setInUse) | |
| self.connect(self.replacePumpButton,QtCore.SIGNAL("clicked()"),self.setNotInUse) | |
| self.connect(self.pumpButton,QtCore.SIGNAL("clicked()"),self.fillUp) | |
| self.connect(self.stopPumpButton,QtCore.SIGNAL("clicked()"),self.stopFillUp) | |
| QtCore.QObject.connect(self.timer,QtCore.SIGNAL("timeout()"),self.fillUp) | |
| # -------------------------------------------- | |
| self.priceDisplay.display(str(self.pricePerLitre*100)) | |
| self.replacePumpButton.setEnabled(False) | |
| self.pumpButton.setEnabled(False) | |
| self.stopPumpButton.setEnabled(False) | |
| # public functions go here | |
| def getAmount(self): | |
| return self.amountToPay | |
| def getNumLitres(self): | |
| return self.numLitres | |
| def getPricePerLitre(self): | |
| return self.pricePerLitre | |
| def stopFillUp(self): | |
| self.timer.stop() | |
| self.pumping = False | |
| self.pumpButton.setEnabled(True) | |
| self.stopPumpButton.setEnabled(False) | |
| self.replacePumpButton.setEnabled(True) | |
| def fillUp(self): | |
| if self.inUse == True: | |
| self.pumpButton.setEnabled(False) | |
| self.stopPumpButton.setEnabled(True) | |
| self.replacePumpButton.setEnabled(False) | |
| self.pumping = True | |
| self.timer.start(106) | |
| self.amountToPay = self.numLitres * self.pricePerLitre | |
| self.amountToPay = round(self.amountToPay,2) | |
| self.numLitres = self.numLitres + 0.1 | |
| if self.numLitres >= 99.9: | |
| self.stopFillUp() | |
| self.inUse = False | |
| if str(self.amountToPay)[-2]==".": | |
| self.amountToPay = str(self.amountToPay)+"0" | |
| self.totalDisplay.display(str(self.amountToPay)) | |
| self.litreDisplay.display(str(self.numLitres)) | |
| main2.Update() | |
| def reset(self): | |
| self.amountToPay = 0.0 | |
| self.numLitres = 0.0 | |
| self.totalDisplay.display(str(self.amountToPay)) | |
| self.litreDisplay.display(str(self.numLitres)) | |
| self.removePumpButton.setEnabled(True) | |
| def getInUse(self): | |
| return self.inUse | |
| def setInUse(self): | |
| self.inUse = True | |
| main2.status.setText("PUMP IN USE") | |
| self.pumpButton.setEnabled(True) | |
| self.removePumpButton.setEnabled(False) | |
| self.replacePumpButton.setEnabled(True) | |
| main2.deactivateButtons() | |
| def setNotInUse(self): | |
| if self.pumping == False: | |
| self.inUse = False | |
| main2.status.setText("PUMP NOT IN USE") | |
| self.removePumpButton.setEnabled(True) | |
| self.replacePumpButton.setEnabled(False) | |
| self.stopPumpButton.setEnabled(False) | |
| self.pumpButton.setEnabled(False) | |
| main2.reactivateButtons() | |
| def Update(self,ppl): | |
| self.pricePerLitre = ppl | |
| self.priceDisplay.display(str(self.pricePerLitre*100)) | |
| class Console(QtGui.QDialog): | |
| def __init__(self,parent = None): | |
| QtGui.QMainWindow.__init__(self) | |
| self.resize(200,320) | |
| self.move(50,50) | |
| self.grid = QtGui.QGridLayout() | |
| self.setWindowIcon(QtGui.QIcon('petrolpump.png')) | |
| self.totalPrice = 0.0 | |
| self.totalLitres = 0.0 | |
| self.totalPriceDay = 0.0 | |
| self.totalLitreDay = 0.0 | |
| self.setWindowTitle("Peter's Petrol Pumps Console") | |
| self.PricePerLitre = main.getPricePerLitre() | |
| self.priceDisplay = QtGui.QLCDNumber(6,self) | |
| self.totalDisplay = QtGui.QLCDNumber(6,self) | |
| self.litreDisplay = QtGui.QLCDNumber(6,self) | |
| self.totalDayPriceDisplay = QtGui.QLCDNumber(6,self) | |
| self.totalDayLitreDisplay = QtGui.QLCDNumber(6,self) | |
| self.changePriceBox = QtGui.QLineEdit("Enter in POUNDS") | |
| self.changePriceButton = QtGui.QPushButton("Change Price") | |
| self.resetButton = QtGui.QPushButton("Reset Pump") | |
| self.priceLabel = QtGui.QLabel("Price Per Litre (p)") | |
| self.totalLabel = QtGui.QLabel("Last Pump Price") | |
| self.litreLabel = QtGui.QLabel("No. of Litres Last Pump") | |
| self.totalDayLabel = QtGui.QLabel("Total Net Income Day") | |
| self.totalLitreLabel = QtGui.QLabel("Total Litres Sold Day") | |
| self.status = QtGui.QLabel("PUMP NOT IN USE") | |
| # -------------------------------------------- | |
| self.grid.addWidget(self.priceDisplay,1,2) | |
| self.grid.addWidget(self.priceLabel,1,1) | |
| self.grid.addWidget(self.changePriceBox,2,1) | |
| self.grid.addWidget(self.changePriceButton,2,2) | |
| self.grid.addWidget(self.totalDisplay,3,2) | |
| self.grid.addWidget(self.totalLabel,3,1) | |
| self.grid.addWidget(self.litreDisplay,4,2) | |
| self.grid.addWidget(self.litreLabel,4,1) | |
| self.grid.addWidget(self.resetButton,5,2) | |
| self.grid.addWidget(self.status,5,1) | |
| self.grid.addWidget(self.totalDayLabel,6,1) | |
| self.grid.addWidget(self.totalLitreLabel,7,1) | |
| self.grid.addWidget(self.totalDayPriceDisplay,6,2) | |
| self.grid.addWidget(self.totalDayLitreDisplay,7,2) | |
| self.setLayout(self.grid) | |
| # -------------------------------------------- | |
| self.connect(self.changePriceButton,QtCore.SIGNAL("clicked()"),self.changePrice) | |
| self.connect(self.resetButton,QtCore.SIGNAL("clicked()"),self.resetPump) | |
| self.priceDisplay.display(str(self.PricePerLitre*100)) | |
| def Update(self): | |
| self.totalPrice = main.amountToPay | |
| self.totalDisplay.display(str(self.totalPrice)) | |
| self.totalLitres = main.numLitres | |
| self.litreDisplay.display(str(self.totalLitres)) | |
| if main.inUse: | |
| self.status.setText("PUMP IN USE") | |
| def deactivateButtons(self): | |
| self.changePriceButton.setEnabled(False) | |
| self.resetButton.setEnabled(False) | |
| def reactivateButtons(self): | |
| if main.numLitres == 0.0: | |
| self.changePriceButton.setEnabled(True) | |
| self.resetButton.setEnabled(True) | |
| def changePrice(self): | |
| self.PricePerLitre = eval(self.changePriceBox.text()) | |
| self.priceDisplay.display(str(self.PricePerLitre*100)) | |
| main.Update(self.PricePerLitre) | |
| def resetPump(self): | |
| if main.inUse == False and main.pumping == False and (main.amountToPay and main.numLitres) != 0.0: | |
| self.totalPrice = main.amountToPay | |
| self.totalDisplay.display(self.totalPrice) | |
| self.totalLitres = main.numLitres | |
| self.litreDisplay.display(self.totalLitres) | |
| main.reset() | |
| self.totalPriceDay = self.totalPriceDay + float(self.totalPrice) | |
| self.totalLitreDay = self.totalLitreDay + float(self.totalLitres) | |
| self.totalDayPriceDisplay.display(str(self.totalPriceDay)) | |
| self.totalDayLitreDisplay.display(str(self.totalLitreDay)) | |
| self.changePriceButton.setEnabled(True) | |
| class infoWindow(QtGui.QDialog): | |
| def __init__(self,parent = None): | |
| QtGui.QMainWindow.__init__(self) | |
| self.resize(620,100) | |
| self.move(50,404) | |
| self.grid = QtGui.QGridLayout() | |
| self.setWindowIcon(QtGui.QIcon('petrolpump.png')) | |
| self.setWindowTitle("Info") | |
| self.quitButton = QtGui.QPushButton("Quit") | |
| self.quitLabel = QtGui.QLabel("Quit button shuts down whole system!") | |
| self.infoBox = QtGui.QLabel("Peter's Petrol Pumps is a simulation of a petrol pump system, featuring one petrol pump.") | |
| self.authorTag = QtGui.QLabel("Created by Jamie Roos.") | |
| self.grid.addWidget(self.quitButton,3,2) | |
| self.grid.addWidget(self.quitLabel,3,1) | |
| self.grid.addWidget(self.infoBox,1,1) | |
| self.grid.addWidget(self.authorTag,2,1) | |
| self.setLayout(self.grid) | |
| self.connect(self.quitButton,QtCore.SIGNAL("clicked()"),self.quitProg) | |
| def quitProg(self): | |
| sys.exit() | |
| app = QtGui.QApplication(sys.argv) | |
| # create all the forms here | |
| main = Pump() | |
| main2 = Console() | |
| infoObject = infoWindow() | |
| main.show() | |
| main2.show() | |
| infoObject.show() | |
| # the next line means wait for something to happen | |
| app.exec_() |
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