class LogFilePositionSource(QGeoPositionInfoSource):
def __init__(self, parent):
QGeoPositionInfoSource.__init__(self, parent)
self.logFile = QFile(self)
self.timer = QTimer(self)
self.timer.timeout.connect(self.readNextPosition)
self.logFile.setFileName(translate_filename('simplelog.txt'))
assert self.logFile.open(QIODevice.ReadOnly)
self.lastPosition = QGeoPositionInfo()
def lastKnownPosition(self, fromSatellitePositioningMethodsOnly):
return self.lastPosition
def minimumUpdateInterval(self):
return 100
def startUpdates(self):
interval = self.updateInterval()
if interval < self.minimumUpdateInterval():
interval = self.minimumUpdateInterval()
self.timer.start(interval)
def stopUpdates(self):
self.timer.stop()
def requestUpdate(self, timeout):
# For simplicity, ignore timeout - assume that if data is not available
# now, no data will be added to the file later
if (self.logFile.canReadLine()):
self.readNextPosition()
else:
self.updateTimeout.emit()
def readNextPosition(self):
line = self.logFile.readLine().trimmed()
if not line.isEmpty():
data = line.split(' ')
hasLatitude = True
hasLongitude = True
timestamp = QDateTime.fromString(str(data[0]), Qt.ISODate)
latitude = float(data[1])
longitude = float(data[2])
if timestamp.isValid():
coordinate = QGeoCoordinate(latitude, longitude)
info = QGeoPositionInfo(coordinate, timestamp)
if info.isValid():
self.lastPosition = info
# Currently segfaulting. See Bug 657
# http://bugs.openbossa.org/show_bug.cgi?id=657
self.positionUpdated.emit(info)
class LogFilePositionSource(QGeoPositionInfoSource):
def __init__(self, parent):
QGeoPositionInfoSource.__init__(self, parent)
self.logFile = QFile(self)
self.timer = QTimer(self)
self.timer.timeout.connect(self.readNextPosition)
self.logFile.setFileName(translate_filename('simplelog.txt'))
assert self.logFile.open(QIODevice.ReadOnly)
self.lastPosition = QGeoPositionInfo()
def lastKnownPosition(self, fromSatellitePositioningMethodsOnly):
return self.lastPosition
def minimumUpdateInterval(self):
return 100
def startUpdates(self):
interval = self.updateInterval()
if interval < self.minimumUpdateInterval():
interval = self.minimumUpdateInterval()
self.timer.start(interval)
def stopUpdates(self):
self.timer.stop()
def requestUpdate(self, timeout):
# For simplicity, ignore timeout - assume that if data is not available
# now, no data will be added to the file later
if (self.logFile.canReadLine()):
self.readNextPosition()
else:
self.updateTimeout.emit()
def readNextPosition(self):
line = self.logFile.readLine().trimmed()
if not line.isEmpty():
data = line.split(' ')
hasLatitude = True
hasLongitude = True
timestamp = QDateTime.fromString(str(data[0]), Qt.ISODate)
latitude = float(data[1])
longitude = float(data[2])
if timestamp.isValid():
coordinate = QGeoCoordinate(latitude, longitude)
info = QGeoPositionInfo(coordinate, timestamp)
if info.isValid():
self.lastPosition = info
# Currently segfaulting. See Bug 657
# http://bugs.openbossa.org/show_bug.cgi?id=657
self.positionUpdated.emit(info)
def testHuge(self):
handle = QFile(":manychars.txt")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "manychars.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
def testAlias(self):
handle = QFile(":jack")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "shining.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
def testSimple(self):
handle = QFile(":words.txt")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "words.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
def testHuge(self):
handle = QFile(":manychars.txt")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "manychars.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
def testAlias(self):
handle = QFile(":jack")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "shining.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
def testSimple(self):
handle = QFile(":words.txt")
handle.open(QFile.ReadOnly)
original = open(os.path.join(self.testdir, "words.txt"), "r")
self.assertEqual(handle.readLine(), original.readline())
