def f_main():
"""主程序，保证程序单实例运行"""
app = QtWidgets.QApplication(sys.argv)
app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
servername = "TransTools"
socket = QLocalSocket()
socket.connectToServer(servername)
if socket.waitForConnected(500):
# 程序只允许单例运行
showmsg("程序已运行！")
return(app.quit())
# 没有实例运行，创建服务器
localServer = QLocalServer()
localServer.listen(servername)
try:
main = Main()
main.show()
sys.exit(app.exec_())
except Exception as e:
showmsg(str(e), type=QMessageBox.Critical)
finally:
localServer.close()
def manual(self):
"""手动传输"""
try:
self._manual = TransManual(self.transinfo_list)
self._manual.show()
except Exception as e:
showmsg(str(e), type=QMessageBox.Critical)
def run(self):
"""异步获取，获取运行时信息"""
_provider = TransDataProvider() # 数据库数据提供对象
try:
translist = _provider.get_trans_list() # 获取传输列表
translog = _provider.get_trans_log(self.translog_parm)
signal = dict(translist=translist, translog=translog)
self.trigger.emit(signal)
except Exception as e:
showmsg(str(e), type=QMessageBox.Critical)
def display_post(self, signal):
if not signal:
return
try:
translist = signal.get("translist", None)
translog = signal.get("translog", None)
if translist:
# 设置传输列表
self.set_transinfo(translist)
if translog:
# 设置传输日志
self.set_translog(translog_list=translog)
except Exception as e:
showmsg(str(e))
def closeEvent(self, event):
"""关闭事件，只有窗口隐藏状态下才能关闭串口"""
if not self.isHidden():
self.hide()
self.trayicon.show()
event.ignore()
else:
try:
ret = showmsg("程序正在运行，是否关闭？", type=QMessageBox.Question)
if ret != QMessageBox.Ok:
event.ignore()
else:
event.accept()
except Exception as e:
showmsg(str(e), QMessageBox.Critical)
def trans(self):
"""手动传输"""
if not self.listviews:
return True, ''
for listview in self.listviews:
for i in range(listview.count()):
item = listview.item(i)
if not item.checkState():
continue
sheetid = item.data(1)
try:
begin_task(sheetid)
except Exception as e:
print(str(e))
showmsg("传输完成")
def save(self):
"""保存设置"""
try:
transtype_list = []
for transgroupbox in self.transgroupbox_list:
transgroupbox.save()
transtype_list.append(transgroupbox.transtype)
result, data = self._provider.set_trans_list(transtype_list)
if result:
showmsg("保存成功")
else:
showmsg(data)
except Exception as e:
showmsg(repr(e))