class DesktopFile(object):
def __init__(self, fileName=None):
self._settings = None # QSharedPointer<QSettings>
if fileName is not None:
self._settings = QSettings(fileName, QSettings.IniFormat)
self._settings.setIniCodec('UTF-8')
self._settings.beginGroup('Desktop Entry')
def fileName(self):
if self._settings:
return self._settings.fileName()
else:
return ''
def name(self):
self.value('Name', True)
def comment(self):
return self.value('Comment', True)
def type(self):
return self.value('Type')
def icon(self):
return self.value('Icon')
def value(self, key, localized=False):
if not self._settings:
return None
if localized:
locale = QLocale.system()
localeKey = '%s[%s]' % (key, locale.name())
if self._settings.contains(localeKey):
return self._settings.value(localeKey)
localeKey = '%s[%s]' % (key, locale.bcp47Name())
if self._settings.contains(localeKey):
return self._settings.value(localeKey)
idx = locale.name().index('_')
if idx > 0:
localeKey = '%s[%s]' % (key, locale.name()[:idx])
if self._settings.contains(localeKey):
return self._settings.value(localeKey)
return self._settings.value(key)
def tryExec(self):
if not self._settings:
return False
exec_ = self._settings.value('TryExec')
if not exec_:
return True
if QStandardPaths.findExecutable(exec_):
return True
return False
def set_user_settings(self, group_name, category, value):
"""
Saves user settings for a given group and category.
group_name -- The group in which to save the settings value.
category -- The category in which to save the settings value.
value -- The value to save.
"""
settings = QSettings(self.user_settings_file, QSettings.IniFormat)
settings.beginGroup(group_name)
settings.setValue(str(category), value)
settings.endGroup()
def get_user_settings(self, group_name, category):
"""
Retrieves user settings for the given group and category.
group_name -- The group for which to retrieve settings values.
category -- The category for which to retrieve settings values.
"""
settings = QSettings(self.user_settings_file, QSettings.IniFormat)
settings.beginGroup(group_name)
savedValue = settings.value(str(category))
settings.endGroup()
return savedValue
def setConfig(self, info):
self._serialConfig.port = info.port
self._serialConfig.baudRate = info.baudRate
self._serialConfig.dataBits = info.dataBits
self._serialConfig.parity = info.parity
self._serialConfig.stopBits = info.stopBits
#
settings = QSettings(self)
settings.beginGroup("Settings/" + self.objectName() + "/SerialPort")
settings.setValue("port", self._serialConfig.port)
settings.setValue("info", self.__str__())
settings.endGroup()
def __init__(self, parent=None):
super(SerialPortProxy, self).__init__(parent)
self.setObjectName("SerialPortProxy")
#
self._currIndex = 0
self._currFrameId = 0
self._frameSize = 0
self._streamBuff = []
self._newBuff = [0] * 4096
self._pkgBuff = [0] * 100
self._serialRecv = SerialRecv()
self._serialConfig = SerialPortConfig()
self._serialPort = QSerialPort(self)
#
self._serialPort.error.connect(self.onSerialPortError)
self._serialPort.readyRead.connect(self.readData)
#
self._serialSimulate = None # SerialSimulate(self)
# read configuration
settings = QSettings(self)
# group - serialport properties
settings.beginGroup("Settings/" + self.objectName() + "/SerialPort")
self._serialConfig.port = settings.value("port", "COM1")
infolist = settings.value("info", "115200-8-N-1").split("-")
self._serialConfig.baudRate = int(infolist[0])
dataBits = int(infolist[1])
self._serialConfig.dataBits = (
QSerialPort.Data5
if dataBits == 5
else QSerialPort.Data6
if dataBits == 6
else QSerialPort.Data7
if dataBits == 7
else QSerialPort.Data8
if dataBits == 8
else QSerialPort.Data8
)
parity = infolist[2][0].upper()
self._serialConfig.parity = (
QSerialPort.NoParity
if parity == "N"
else QSerialPort.EvenParity
if parity == "E"
else QSerialPort.OddParity
if parity == "O"
else QSerialPort.SpaceParity
if parity == "S"
else QSerialPort.MarkParity
if parity == "M"
else QSerialPort.NoParity
)
stopBits = int(float(infolist[3]) * 10)
self._serialConfig.stopBits = (
QSerialPort.OneStop
if stopBits == 10
else QSerialPort.OneAndHalfStop
if stopBits == 15
else QSerialPort.TwoStop
if stopBits == 20
else QSerialPort.OneStop
)
settings.endGroup()
