def addCandle(self, open, close, high, low, timestamp):
candlestickSet = QCandlestickSet()
candlestickSet.setOpen(open)
candlestickSet.setClose(close)
candlestickSet.setHigh(high)
candlestickSet.setLow(low)
candlestickSet.setTimestamp(timestamp)
pen = QPen()
candlestickSet.setPen(pen)
self.candleSeries.append(candlestickSet)
def read_candlestick_set(self):
line = self.readLine()
if line.startswith("#") or line is None:
return None
(timestamp, open_, high, low,
close) = line.split(" ") # SkipEmptyParts\
candlestickset = QCandlestickSet(float(timestamp))
candlestickset.setOpen(float(open_))
candlestickset.setHigh(float(high))
candlestickset.setLow(float(low))
candlestickset.setClose(float(close))
return candlestickset
def readCandlestickSet(self):
line = self.readLine()
if line.startswith("#") or not line:
return
strList = line.split(" ")
if len(strList) != 5:
return
timestamp, _open, high, low, close = [float(v) for v in strList]
candlestickSet = QCandlestickSet(timestamp)
candlestickSet.setOpen(_open)
candlestickSet.setHigh(high)
candlestickSet.setLow(low)
candlestickSet.setClose(close)
return candlestickSet
class MainClass(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def getStockData(self):
self.close()
print("HI")
self.mainLayout.removeWidget(self.newChartView)
self.newSeries = QCandlestickSeries()
self.newSeries.setName("Test Chart 2")
self.saucePage = urllib.request.urlopen(
'https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol='
+ self.stockRequestBox.text() +
'&interval=1min&apikey=NOC1N35PNDQOFF1A')
self.output = self.saucePage.read()
self.webContent = self.output.decode(
'utf-8') # Convert from bytes to string
self.writePage = open(
'stock.json', 'w'
) # Write webContent to a html file because otherwise i can't use readlines()
self.writePage.write(
self.webContent) # It's very efficient code trust me
self.writePage.close()
self.sauce = json.load(open('stock.json'))
# print(sauce["Monthly Time Series"]["2018-01-14 20:23:00"]["1. open"])
self.openStocks = {}
for date in self.sauce["Monthly Time Series"]:
self.openStocks[date] = self.sauce["Monthly Time Series"][date][
"1. open"]
self.ordered = collections.OrderedDict(sorted(self.openStocks.items()))
for k, v in self.ordered.items():
dateString = k
dt = datetime.datetime(int(dateString[:4]), int(dateString[5:7]),
int(dateString[8:10]))
self.newSet = QCandlestickSet((time.mktime(dt.timetuple()) * 1000))
self.newSet.setOpen(float(v))
self.newSet.setHigh(
float(self.sauce["Monthly Time Series"][k]["2. high"]))
self.newSet.setLow(
float(self.sauce["Monthly Time Series"][k]["3. low"]))
self.newSet.setClose(
float(self.sauce["Monthly Time Series"][k]["4. close"]))
self.newSeries.append(self.newSet)
self.newChart = QChart()
self.newChart.addSeries(self.newSeries)
self.newChart.setTitle("Test Actual Chart")
self.newChart.createDefaultAxes()
self.newChartView = QChartView(self.newChart)
self.mainLayout.addWidget(self.newChartView)
self.show()
def initUI(self):
self.mainLayout = QVBoxLayout()
self.stockFrame = QFrame()
self.mainLayout.addWidget(self.stockFrame)
self.mainButton = QPushButton("Push Me!")
self.mainButton.clicked.connect(self.getStockData)
self.mainLayout.addWidget(self.mainButton)
self.stockRequestLayout = QHBoxLayout()
self.stockRequestedLabel = QLabel("Stock: ")
self.stockRequestLayout.addWidget(self.stockRequestedLabel)
self.stockRequestBox = QLineEdit()
self.stockRequestLayout.addWidget(self.stockRequestBox)
self.mainLayout.addLayout(self.stockRequestLayout)
self.setLayout(self.mainLayout)
self.newSeries = QCandlestickSeries()
self.newSeries.setName("Test Chart")
# for i in range(1000):
# self.newSet = QCandlestickSet(time.time() * 1000 + (random.randint(-5, 5) * 60000))
# self.newSet.setOpen(random.randint(1, 10))
# self.newSet.setHigh(random.randint(1, 10))
# self.newSet.setLow(random.randint(1, 10))
# self.newSet.setClose(random.randint(1, 10))
# self.newSeries.append(self.newSet)
# self.newSet2 = QCandlestickSet()
# self.newSet2.setOpen(1.00)
# self.newSet2.setHigh(10.00)
# self.newSet2.setLow(0.50)
# self.newSet2.setClose(5.00)
# self.newSeries.append(self.newSet2)
self.saucePage = urllib.request.urlopen(
'https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol=BHP&apikey=NOC1N35PNDQOFF1A'
)
self.output = self.saucePage.read()
self.webContent = self.output.decode(
'utf-8') # Convert from bytes to string
self.writePage = open(
'stock.json', 'w'
) # Write webContent to a html file because otherwise i can't use readlines()
self.writePage.write(
self.webContent) # It's very efficient code trust me
self.writePage.close()
self.sauce = json.load(open('stock.json'))
# print(sauce["Monthly Time Series"]["2018-01-14 20:23:00"]["1. open"])
self.openStocks = {}
for date in self.sauce["Monthly Time Series"]:
self.openStocks[date] = self.sauce["Monthly Time Series"][date][
"1. open"]
self.ordered = collections.OrderedDict(sorted(self.openStocks.items()))
count = 0
for k, v in self.ordered.items():
dateString = k
dt = datetime.datetime(int(dateString[:4]), int(dateString[5:7]),
int(dateString[8:10]))
self.newSet = QCandlestickSet((time.mktime(dt.timetuple()) * 1000))
self.newSet.setOpen(float(v))
self.newSet.setHigh(
float(self.sauce["Monthly Time Series"][k]["2. high"]))
self.newSet.setLow(
float(self.sauce["Monthly Time Series"][k]["3. low"]))
self.newSet.setClose(
float(self.sauce["Monthly Time Series"][k]["4. close"]))
self.newSeries.append(self.newSet)
count = count + 1
# if count > 8:
# break
self.newChart = QChart()
self.newChart.addSeries(self.newSeries)
self.newChart.setTitle("Test Actual Chart")
self.newChart.createDefaultAxes()
self.newChartView = QChartView(self.newChart)
self.mainLayout.addWidget(self.newChartView)
# self.subjectLabel = QLabel()
# self.subjectLabel.setAlignment(Qt.Qt.AlignCenter)
# self.mainLayout.addWidget(self.subjectLabel)
# self.testLabel = QLabel()
# self.testLabel.setAlignment(Qt.Qt.AlignCenter)
# self.mainLayout.addWidget(self.testLabel)
# self.randomButton = QPushButton("Choose")
# self.randomButton.clicked.connect(self.randomDef)
# self.mainLayout.addWidget(self.randomButton)
# self.setLayout(self.mainLayout)
self.setGeometry(300, 300, 300, 300)
self.setWindowTitle("Stocks")
self.show()
def __drawChart(self): ##绘制图表
self.chart.removeAllSeries() #删除所有序列
self.chart.setTitle("股票日线图--" + self.ui.tabWidget.tabText(0))
## 1. 创建蜡烛图
seriesCandle = QCandlestickSeries()
seriesCandle.setName("蜡烛图")
seriesCandle.setIncreasingColor(Qt.red) #暴涨
seriesCandle.setDecreasingColor(Qt.darkGreen) #暴跌
visible = self.ui.chkBox_Outline.isChecked()
seriesCandle.setBodyOutlineVisible(visible)
seriesCandle.setCapsVisible(self.ui.chkBox_Caps.isChecked())
self.chart.addSeries(seriesCandle)
seriesCandle.attachAxis(self.__axisX)
seriesCandle.attachAxis(self.__axisY)
seriesCandle.clicked.connect(self.do_candleClicked)
seriesCandle.hovered.connect(self.do_candleHovered)
## 2. 创建MA曲线
pen = QPen()
pen.setWidth(2)
seriesMA1 = QLineSeries() #不能使用QSplineSeries
seriesMA1.setName("MA5")
pen.setColor(Qt.magenta)
seriesMA1.setPen(pen)
self.chart.addSeries(seriesMA1)
seriesMA1.attachAxis(self.__axisX)
seriesMA1.attachAxis(self.__axisY)
seriesMA2 = QLineSeries()
seriesMA2.setName("MA10")
pen.setColor(Qt.yellow)
seriesMA2.setPen(pen)
self.chart.addSeries(seriesMA2)
seriesMA2.attachAxis(self.__axisX)
seriesMA2.attachAxis(self.__axisY)
seriesMA3 = QLineSeries()
seriesMA3.setName("MA20")
pen.setColor(Qt.cyan)
seriesMA3.setPen(pen)
self.chart.addSeries(seriesMA3)
seriesMA3.attachAxis(self.__axisX)
seriesMA3.attachAxis(self.__axisY)
seriesMA4 = QLineSeries()
seriesMA4.setName("MA60")
pen.setColor(Qt.green) #green
seriesMA4.setPen(pen)
self.chart.addSeries(seriesMA4)
seriesMA4.attachAxis(self.__axisX)
seriesMA4.attachAxis(self.__axisY)
## 3. 填充数据到序列
dataRowCount = self.itemModel.rowCount() #数据点个数
for i in range(dataRowCount):
dateStr = self.itemModel.item(i, 0).text() #日期字符串，如"2017/02/03"
dateValue = QDate.fromString(dateStr, "yyyy/MM/dd") #QDate
dtValue = QDateTime(dateValue) #日期时间 QDateTime
timeStamp = dtValue.toMSecsSinceEpoch() #毫秒数
oneCandle = QCandlestickSet() #QCandlestickSet
oneCandle.setOpen(float(self.itemModel.item(i, 1).text())) #开盘
oneCandle.setHigh(float(self.itemModel.item(i, 2).text())) #最高
oneCandle.setLow(float(self.itemModel.item(i, 3).text())) #最低
oneCandle.setClose(float(self.itemModel.item(i, 4).text())) #收盘
oneCandle.setTimestamp(timeStamp) #时间戳
seriesCandle.append(oneCandle) #添加到序列
M1 = float(self.itemModel.item(i, 5).text())
M2 = float(self.itemModel.item(i, 6).text())
M3 = float(self.itemModel.item(i, 7).text())
M4 = float(self.itemModel.item(i, 8).text())
seriesMA1.append(timeStamp, M1)
seriesMA2.append(timeStamp, M2)
seriesMA3.append(timeStamp, M3)
seriesMA4.append(timeStamp, M4)
## 4. 设置坐标轴范围
minDateStr = self.itemModel.item(0, 0).text() #日期字符串，如"2017/02/03"
minDate = QDate.fromString(minDateStr, "yyyy/MM/dd") #QDate
minDateTime = QDateTime(minDate) #最小日期时间,QDateTime
maxDateStr = self.itemModel.item(dataRowCount - 1,
0).text() #日期字符串，如"2017/05/03"
maxDate = QDate.fromString(maxDateStr, "yyyy/MM/dd")
maxDateTime = QDateTime(maxDate) #最大日期时间
self.__axisX.setRange(minDateTime, maxDateTime) #日期时间范围
dateFormat = self.ui.comboDateFormat.currentText() #格式，如"MM-dd"
self.__axisX.setFormat(dateFormat) #标签格式
self.__axisY.applyNiceNumbers() #自动
for marker in self.chart.legend().markers(): #QLegendMarker类型列表
marker.clicked.connect(self.do_LegendMarkerClicked)