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run.py
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import sys
from threading import Thread
from PyQt5 import QtWidgets, QtGui, QtCore
from lottery import Lottery
from utils import *
class Main(QtWidgets.QMainWindow):
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.engine_status = 2 # 2:未启动，1:启动成功，0:启动失败
self.initUI()
self.initEngine()
def initUI(self):
layout = QtWidgets.QGridLayout()
self.label = ClickableLabel(self)
self.table = QtWidgets.QTableView(self)
self.tips = QtWidgets.QLabel(self)
self.confirm_button = QtWidgets.QPushButton(self)
layout.addWidget(self.label, 0, 0, 5, 5)
layout.addWidget(self.table, 5, 0, 5, 4)
layout.addWidget(self.tips, 5, 4, 4, 1)
layout.addWidget(self.confirm_button, 9, 4, 1, 1)
self.label.setFrameStyle(1)
self.label.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
self.label.setPixmap(QtGui.QPixmap("./icons/add.png").scaled(50, 50))
self.label.clicked_signal_connect(self.open)
self.table.horizontalHeader().hide()
self.tips.setText("Tips: \n请核对识别\n结果，如有\n错误，请在\n表格中修改。\n确认无误后，\n点击下方按\n钮查询中奖\n情况。👇")
self.confirm_button.setText("信息无误\n中奖查询")
self.confirm_button.clicked.connect(self.confirmed)
self.statusBar = self.statusBar()
widget = QtWidgets.QWidget()
widget.setLayout(layout)
self.setCentralWidget(widget)
self.setGeometry(100, 100, 500, 800)
self.setWindowTitle("Hello Lottery!")
self.setWindowIcon(QtGui.QIcon("./icons/lottery.png"))
def initEngine(self):
self.statusBar.showMessage("正在启动识别引擎...")
engine_thread = EngineThread(self)
engine_thread.start()
def engine_started(self, flg):
self.engine_status = flg
if flg:
self.statusBar.showMessage(f"识别引擎({self.engine.device})启动成功！")
else:
self.statusBar.showMessage("识别引擎启动失败！请退出重试！")
def open(self):
filename = QtWidgets.QFileDialog.getOpenFileName(self, 'Open File',".","Images (*.png *.xpm *.jpg *.bmp *.gif)")[0]
if filename:
if self.engine_status == 2:
QtWidgets.QMessageBox.information(self, "Info", "请等待识别引擎启动完成！")
return
elif self.engine_status == 0:
QtWidgets.QMessageBox.information(self, "Warning", "识别引擎启动失败！请退出重试！")
return
self.display_image(filename)
self.process(filename)
def process(self, filename):
self.statusBar.showMessage("识别中...")
self.confirm_button.setEnabled(False)
process_thread = ProcessThread(self.engine, filename)
process_thread.signal.connect(self.display_results)
process_thread.start()
process_thread.exec() # 使线程进入事件循环状态，否则程序直接崩溃
def display_image(self, filename):
pixmap = QtGui.QPixmap(filename)
if pixmap.width() > pixmap.height():
pixmap = QtGui.QPixmap(filename).scaledToWidth(self.label.width(), QtCore.Qt.SmoothTransformation)
else:
pixmap = QtGui.QPixmap(filename).scaledToHeight(self.label.height(), QtCore.Qt.SmoothTransformation)
self.label.setPixmap(pixmap)
def display_results(self, signal):
self.confirm_button.setEnabled(True)
if isinstance(signal, Exception):
QtWidgets.QMessageBox.information(self, "Warning", str(signal))
self.statusBar.clearMessage()
return
if len(signal) == 3:
self.statusBar.showMessage("识别完成，请核对结果！")
else:
self.statusBar.showMessage("查询完成！")
data = Result.fromTuple(signal)
model = TableModel(data, self)
self.table.setModel(model)
self.table.resizeColumnToContents(0)
def confirmed(self):
if not isinstance(self.table.model(), TableModel):
return
confirmed_results = self.table.model().results.toTuple()
self.check(confirmed_results)
def check(self, query):
self.statusBar.showMessage("查询中...")
self.confirm_button.setEnabled(False)
process_thread = CheckThread(self.engine, query)
process_thread.signal.connect(self.display_results)
process_thread.start()
process_thread.exec()
class ClickableLabel(QtWidgets.QLabel):
label_clicked_signal = QtCore.pyqtSignal()
def __init__(self, parent=None):
super().__init__(parent)
def mouseReleaseEvent(self, QMouseEvent):
self.label_clicked_signal.emit()
def clicked_signal_connect(self, func):
self.label_clicked_signal.connect(func)
class EngineThread(Thread):
def __init__(self, obj):
super().__init__()
self.obj = obj
def run(self):
try:
engine = Lottery()
except Exception as e:
self.obj.engine = None
self.obj.engine_started(0)
print(e)
else:
self.obj.engine = engine
self.obj.engine_started(1)
class ProcessThread(QtCore.QThread):
signal = QtCore.pyqtSignal(object)
def __init__(self, engine, filename):
super().__init__()
self.engine = engine
self.filename = filename
def run(self):
try:
results = self.engine(self.filename, recognition_only=True)
if not results:
raise(MissingInfoException("没有识别到彩票信息！请调整图片后重试！"))
except Exception as e:
self.signal.emit(e)
else:
self.signal.emit(results)
class CheckThread(QtCore.QThread):
signal = QtCore.pyqtSignal(object)
def __init__(self, engine, query: tuple):
super().__init__()
self.engine = engine
self.query = query
def run(self):
try:
results = self.engine.check(*self.query)
except Exception as e:
self.signal.emit(e)
else:
self.signal.emit(results)
def main():
app = QtWidgets.QApplication(sys.argv)
main = Main()
main.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()