class MIndicator(QFrame):
def __init__(self, parent=None):
super(MIndicator, self).__init__(parent)
self.__default_font = QFont('Microsoft Yahei', 8, QFont.Normal)
self.__pic_bg = QPixmap(':resource')
self.displayer = self.MDisplayer(self)
self.timer = QTimer(self)
QObject.connect(self.timer, SIGNAL('timeout()'), self, SLOT('__roll_text()'))
self.timer.setInterval(1000)
self.__text = None
def setText(self, text):
if QFontMetrics(self.__default_font).width(text) + 8 < self.width():
self.__text = QString(text)
if self.timer.isActive():
self.timer.stop()
elif not self.timer.isActive():
self.__text = QString(text + ' ')
self.timer.start()
self.displayer.repaint()
def getText(self):
return self.__text
@pyqtSlot()
def __roll_text(self):
self.__text = self.__text.mid(1) + self.__text.left(1)
self.displayer.repaint()
def setRollingSpeed(self, int_speed):
self.timer.setInterval(int_speed)
def getDefaultFont(self):
return self.__default_font
def paintEvent(self, event):
painter = QPainter(self)
painter.drawPixmap(0, 0, 10, 23, self.__pic_bg, 25, 70, 10, 23)
painter.drawPixmap(10, 0, self.width() - 20, 23, self.__pic_bg, 35, 70, 1, 23)
painter.drawPixmap(self.width() - 10, 0, 10, 23, self.__pic_bg, 36, 70, 10, 23)
def resizeEvent(self, event):
self.displayer.setGeometry(4, 1, event.size().width() - 8, 20)
class MDisplayer(QLabel):
def __init__(self, parent=None):
super(MIndicator.MDisplayer, self).__init__(parent)
self.__parent = parent
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.TextAntialiasing)
painter.setFont(self.__parent.getDefaultFont())
painter.setPen(QColor(250, 250, 250, 250))
painter.drawText(0, 0, self.width(), self.height(), Qt.AlignVCenter | Qt.AlignHCenter,
self.__parent.getText())
class SystemTrayIcon(QSystemTrayIcon):
def __init__(self, icon, altIcon, exe, parent=None):
self.icons = {
'main': QIcon(icon),
'alt': QIcon(altIcon),
}
# Init SystemTrayIcon
QSystemTrayIcon.__init__(self, self.icons['main'], parent)
self.onclick_exec = exe
self.blinker = QTimer()
self.blinker.timeout.connect(self.blink)
# Add signal handler for button click
self.activated.connect(self.onTrayIconActivated)
# Create signal handlers for menu
self.createActions()
# Add menu and set signal handler for mouse clicks
menu = QMenu(parent)
exitAction = menu.addAction(self.quitAction)
self.setContextMenu(menu)
def __getitem__(self, key):
return self.icons[key]
def createActions(self):
self.quitAction = QAction("&Quit", self, triggered=qApp.quit)
def onTrayIconActivated(self, reason):
# If any click other than a right click
if reason != QSystemTrayIcon.Context:
process = QProcess()
process.startDetached(self.onclick_exec)
self.stopBlink()
def blink(self):
QTimer().singleShot(500, lambda: self.setIcon(self.icons['alt']))
QTimer().singleShot(1000, lambda: self.setIcon(self.icons['main']))
def stopBlink(self):
if self.blinker.isActive():
self.blinker.stop()
def sigUSR1(self, signum, frame):
if not self.blinker.isActive():
self.blinker.start(1000)
def sigUSR2(self, signum, frame):
if self.blinker.isActive():
self.blinker.stop()
def get(self, url=None, script=None, key=None):
"""Load given url in webkit and return html when loaded
"""
self.base_url = self.base_url or url # set base URL if not set
html = self.cache.get(key)
if html:
if self.debug: print 'load cache', key
self.setHtml(html, QUrl(self.base_url))
elif url:
self.load(QUrl(url))
elif script:
self.js(script)
loop = QEventLoop()
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
self.loadFinished.connect(loop.quit)
timer.start(self.timeout * 1000)
loop.exec_() # delay here until download finished or timeout
if timer.isActive():
# downloaded successfully
timer.stop()
html = self.current_html()
if key:
self.cache[key] = html
self.inject_jquery()
else:
# didn't download in time
print 'Download timeout'
html = ''
return html
class ErrorMessageFilter(QObject):
"""
In a parallel program, the same error may occur in several threads in close succession.
For example, all slice views will notice a "filter too large" error simultaneously.
This class collects error messages for a certain time (currently: 200ms) and then
displays each unique message only once.
"""
def __init__(self, parent):
super(QObject, self).__init__(parent)
self.messages = {}
self.timer = QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(200)
self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.timeout)
def showErrorMessage(self, caption, text):
if not self.timer.isActive():
self.timer.start()
self.messages[text] = caption
def timeout(self):
for text, caption in self.messages.iteritems():
QMessageBox.critical(self.parent(), caption, text)
self.messages = {}
class Blinker:
def __init__(self, parent, color=Qt.green):
self.parent = parent
self.timer = QTimer(parent)
self.parent.connect(self.timer, SIGNAL("timeout()"), self.blink)
self.defaultColor = self.color = color
self.transfer = 0
def blink(self):
if self.color == self.defaultColor:
self.color = Qt.transparent
else:
self.color = self.defaultColor
self.parent.update()
def update(self, data):
if not data == self.transfer:
self.timer.start(100)
else:
self.stop()
self.transfer = data
def isActive(self):
return self.timer.isActive()
def stop(self):
self.timer.stop()
self.color = Qt.transparent
self.parent.update()
class ErrorMessageFilter(QObject):
"""
In a parallel program, the same error may occur in several threads in close succession.
For example, all slice views will notice a "filter too large" error simultaneously.
This class collects error messages for a certain time (currently: 1000ms) and then
displays each unique message only once.
"""
def __init__(self, parent):
super(QObject, self).__init__(parent)
self.messages = {}
self.timer = QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(1000)
self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.timeout)
def showErrorMessage(self, caption, text):
if not self.timer.isActive():
self.timer.start()
self.messages[caption] = text
def timeout(self):
# Must copy now because the eventloop is allowed to run during QMessageBox.critical, below.
# That is, self.messages might change while the loop is executing (not allowed).
messages = copy.copy(self.messages)
for caption, text in messages.iteritems():
QMessageBox.critical(self.parent(), caption, text)
self.messages = {}
class WebCrawler(QtGui.QMainWindow):
def __init__(self, func):
QtGui.QMainWindow.__init__(self)
self._func = func
def StartReadUrlLoop(self, loopTime, url):
self._url = url
self._delayTime = 0
self._listenWebTimer = QTimer(self)
self._listenWebTimer.setInterval(loopTime * 1000)
self._listenWebTimer.timeout.connect(self.ReadUrl)
self._listenWebTimer.start()
def StopReadUrlLoop(self):
if (self._listenWebTimer.isActive()):
self._listenWebTimer.stop()
def ReadUrl(self):
timer = threading.Timer(self._delayTime, self.ReadUrlInfo)
timer.start()
def ReadUrlInfo(self):
content = urllib.request.urlopen(self._url).read()
if (self._func):
self._func(content)
class ByteView(QTableView):
"""Byte table view."""
def __init__(self, parent=None):
QTableView.__init__(self, parent)
self.autoscroll_toggle = QAction("Autoscroll", self)
self.autoscroll_toggle.setCheckable(True)
self.autoscroll_toggle.setChecked(False)
self.autoscroll_timer = QTimer(self)
self.autoscroll_timer.setSingleShot(True)
self.autoscroll_timer.timeout.connect(self.scrollToBottom)
def contextMenuEvent(self, event):
menu = QMenu()
menu.addAction(self.autoscroll_toggle)
menu.exec_(event.globalPos())
def col_added(self):
self.resizeColumnsToContents()
def row_added(self):
if self.autoscroll_toggle.isChecked() and not self.autoscroll_timer.isActive():
self.autoscroll_timer.start(50)
class Blinker:
def __init__(self, parent, color=Qt.green):
self.parent = parent
self.timer = QTimer(parent)
self.parent.connect(self.timer, SIGNAL("timeout()"), self.blink)
self.defaultColor = self.color = color
self.transfer = 0
def blink(self):
if self.color == self.defaultColor:
self.color = Qt.transparent
else:
self.color = self.defaultColor
self.parent.update()
def update(self, data):
if not data == self.transfer:
self.timer.start(100)
else:
self.stop()
self.transfer = data
def isActive(self):
return self.timer.isActive()
def stop(self):
self.timer.stop()
self.color = Qt.transparent
self.parent.update()
class DelayWidget(WebWidget):
def __init__(self, name, cfg, parent = None):
WebWidget.__init__(self, name, parent)
self.config = cfg
self.url.setUrl(self.config.loadLinks()[str(self.objectName())]['data'])
self.timer = QTimer(self)
self.timer.setInterval(1000)
self.timer.setSingleShot(1)
self.timeoutTimer = QTimer(self)
self.timeoutTimer.setInterval(10000)
self.timeoutTimer.setSingleShot(1)
self.connect(self.timeoutTimer , SIGNAL('timeout()') , self.clear)
self.connect(self.timer , SIGNAL('timeout()') , self.reload_)
self.connect(self , SIGNAL('done()') , self.clear)
def clear(self):
self.config.saveDelayWidgetBusy(False)
def reload_(self):
if not self.isVisible(): return
if not self.timeoutTimer.isActive():
self.timeoutTimer.start()
if self.config.loadDelayWidgetBusy():
self.timer.start()
else:
self.timeoutTimer.stop()
self.config.saveDelayWidgetBusy(True)
WebWidget.reload_(self)
class MusicPosition(plugin.ViewSpacePlugin):
def __init__(self, space):
self._timer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._waittimer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._label = QLabel()
space.status.layout().insertWidget(1, self._label)
self._view = lambda: None
space.viewChanged.connect(self.slotViewChanged)
view = space.activeView()
if view:
self.slotViewChanged(view)
def slotViewChanged(self, view):
old = self._view()
if old:
self.disconnectView(old)
self._view = weakref.ref(view)
self.connectView(view)
self.startTimer()
def connectView(self, view):
view.cursorPositionChanged.connect(self.startTimer)
view.document().contentsChanged.connect(self.startWaitTimer)
def disconnectView(self, view):
view.cursorPositionChanged.disconnect(self.startTimer)
view.document().contentsChanged.disconnect(self.startWaitTimer)
def startWaitTimer(self):
"""Called when the document changes, waits longer to prevent stutter."""
self._waittimer.start(900)
self._timer.stop()
def startTimer(self):
"""Called when the cursor moves."""
if not self._waittimer.isActive():
self._timer.start(100)
def slotTimeout(self):
"""Called when one of the timers fires."""
view = self._view()
if view:
d = view.document()
c = view.textCursor()
import documentinfo
m = documentinfo.music(d)
import ly.duration
if c.hasSelection():
cursortools.strip_selection(c)
length = m.time_length(c.selectionStart(), c.selectionEnd())
text = _("Length: {length}").format(
length=ly.duration.format_fraction(
length)) if length is not None else ''
else:
pos = m.time_position(c.position())
text = _("Pos: {pos}").format(pos=ly.duration.format_fraction(
pos)) if pos is not None else ''
self._label.setText(text)
class MusicPosition(plugin.ViewSpacePlugin):
def __init__(self, space):
self._timer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._waittimer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._label = QLabel()
space.status.layout().insertWidget(1, self._label)
self._view = lambda: None
space.viewChanged.connect(self.slotViewChanged)
view = space.activeView()
if view:
self.slotViewChanged(view)
def slotViewChanged(self, view):
old = self._view()
if old:
self.disconnectView(old)
self._view = weakref.ref(view)
self.connectView(view)
self.startTimer()
def connectView(self, view):
view.cursorPositionChanged.connect(self.startTimer)
view.document().contentsChanged.connect(self.startWaitTimer)
def disconnectView(self, view):
view.cursorPositionChanged.disconnect(self.startTimer)
view.document().contentsChanged.disconnect(self.startWaitTimer)
def startWaitTimer(self):
"""Called when the document changes, waits longer to prevent stutter."""
self._waittimer.start(900)
self._timer.stop()
def startTimer(self):
"""Called when the cursor moves."""
if not self._waittimer.isActive():
self._timer.start(100)
def slotTimeout(self):
"""Called when one of the timers fires."""
view = self._view()
if view:
d = view.document()
c = view.textCursor()
import documentinfo
m = documentinfo.music(d)
import ly.duration
if c.hasSelection():
cursortools.strip_selection(c)
length = m.time_length(c.selectionStart(), c.selectionEnd())
text = _("Length: {length}").format(
length=ly.duration.format_fraction(length)) if length is not None else ''
else:
pos = m.time_position(c.position())
text = _("Pos: {pos}").format(
pos=ly.duration.format_fraction(pos)) if pos is not None else ''
self._label.setText(text)
class Tracker(QObject):
sig_error = pyqtSignal(str)
sig_started = pyqtSignal()
sig_inview = pyqtSignal(bool) # True if in view, else False
def __init__(self, parent):
super(Tracker, self).__init__(parent)
self.name = self.__class__.__name__
# Ros Stuff
self.sub_tf = parent.sub_tf
self.pub_tf = parent.pub_tf
# Timer that checks if we have failed to start
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.failed)
self.timeout = 2000 #ms
self.timer.setInterval(self.timeout)
def started(self):
""" Called when starting was possible """
if self.timer.isActive():
self.timer.stop()
self.sig_started.emit()
rospy.loginfo("Started [%s]" , self.name)
def onStart(self):
pass
def getStartMsg(self):
return "Default start msg.."
def getFailMsg(self):
return "Default fail msg"
def onStop(self):
pass
def start(self):
rospy.loginfo("Starting [%s]", self.name)
self.timer.start()
return self.onStart()
def failed(self, msg=None):
""" Called when starting not possible """
if msg is None:
msg = self.getFailMsg()
self.sig_error.emit(msg)
rospy.logerr("Failed to start [%s]: %s" , self.name, msg)
self.stop()
def stop(self):
self.timer.stop()
rospy.loginfo("Stopping [%s]", self.name)
self.onStop()
class Tracker(QObject):
sig_error = pyqtSignal(str)
sig_started = pyqtSignal()
sig_inview = pyqtSignal(bool) # True if in view, else False
def __init__(self, parent):
super(Tracker, self).__init__(parent)
self.name = self.__class__.__name__
# Ros Stuff
self.sub_tf = parent.sub_tf
self.pub_tf = parent.pub_tf
# Timer that checks if we have failed to start
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.failed)
self.timeout = 2000 #ms
self.timer.setInterval(self.timeout)
def started(self):
""" Called when starting was possible """
if self.timer.isActive():
self.timer.stop()
self.sig_started.emit()
rospy.loginfo("Started [%s]", self.name)
def onStart(self):
pass
def getStartMsg(self):
return "Default start msg.."
def getFailMsg(self):
return "Default fail msg"
def onStop(self):
pass
def start(self):
rospy.loginfo("Starting [%s]", self.name)
self.timer.start()
return self.onStart()
def failed(self, msg=None):
""" Called when starting not possible """
if msg is None:
msg = self.getFailMsg()
self.sig_error.emit(msg)
rospy.logerr("Failed to start [%s]: %s", self.name, msg)
self.stop()
def stop(self):
self.timer.stop()
rospy.loginfo("Stopping [%s]", self.name)
self.onStop()
class Handler(QFrame, Ui_Form):
def __init__(self, Exp):
super(Handler, self).__init__()
self.setupUi(self)
self.I = interface.Interface()
self.timegap = 0
self.looptimer = QTimer()
self.plot = Exp.add2DPlot()
self.plot3d = Exp.add3DPlot()
self.trace = Exp.addCurve(self.plot, "IV", (255, 0, 255))
Exp.setRange(self.plot, 0, 0, 1.0, 1.5e-3)
self.plot.setLabel("bottom", "Voltage -->>", units="V")
self.plot.setLabel("left", "Current -->>", units="A")
def start(self, x=None):
self.Vval = 0.0
self.num = 0
Exp.clearLinesOnPlane(self.plot3d)
self.X = []
self.Y = []
self.scaleX = 20 / 0.6
self.offX = -10
self.scaleY = 20 / 1.0e-3
self.offY = -10
if not self.looptimer.isActive():
self.looptimer = Exp.loopTask(self.timegap, self.acquire, 0)
def acquire(self, chan):
self.I.set_pvs3(self.Vval)
V = self.I.get_average_voltage("CH3")
I = self.I.get_average_voltage("I2V")
self.VLabel.setText("V = %0.2fV" % (V))
self.ILabel.setText("I = %0.2fmA" % (I * 1e3))
self.X.append(V)
self.Y.append(I)
self.progress.setValue(round(self.Vval * 100 / 1.5))
self.Vval += 0.005
self.trace.setData(self.X, self.Y)
if self.Vval > 1.5:
Z = [20 - 20.0 * self.num / 50 - 10] * len(self.X)
Exp.draw3dLine(
self.plot3d,
Z,
np.array(self.X) * self.scaleX + self.offX,
np.array(self.Y) * self.scaleY + self.offY,
(0, 100, 255),
)
self.X = []
self.Y = []
self.Vval = 0
self.I.set_pvs3(self.Vval)
time.sleep(0.1)
self.num += 1
if self.num == 50:
self.looptimer.stop()
class VariableManager(plugin.DocumentPlugin):
"""Caches variables in the document and monitors for changes.
The changed() Signal is emitted some time after the list of variables has been changed.
It is recommended to not change the document itself in response to this signal.
"""
changed = signals.Signal() # without argument
def __init__(self, document):
self._updateTimer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._variables = self.readVariables()
document.contentsChange.connect(self.slotContentsChange)
document.closed.connect(self._updateTimer.stop) # just to be sure
def slotTimeout(self):
variables = self.readVariables()
if variables != self._variables:
self._variables = variables
self.changed()
def slotContentsChange(self, position, removed, added):
"""Called if the document changes."""
if (self.document().findBlock(position).blockNumber() < _LINES
or self.document().findBlock(position + added).blockNumber() >
self.document().blockCount() - _LINES):
self._updateTimer.start(500)
def variables(self):
"""Returns the document variables (cached) as a dictionary. This method is recommended."""
if self._updateTimer.isActive():
# an update is pending, force it
self._updateTimer.stop()
self.slotTimeout()
return self._variables
def readVariables(self):
"""Reads the variables from the document and returns a dictionary. Internal."""
count = self.document().blockCount()
blocks = [self.document().firstBlock()]
if count > _LINES * 2:
blocks.append(self.document().findBlockByNumber(count - _LINES))
count = _LINES
def lines(block):
for i in range(count):
yield block.text()
block = block.next()
variables = {}
for block in blocks:
variables.update(m.group(1, 2) for n, m in positions(lines(block)))
return variables
def get(self, url, html=None, headers=None, data=None):
"""Load given url in webkit and return html when loaded
url: the URL to load
html: optional HTML to set instead of downloading
headers: the headers to attach to the request
data: the data to POST
"""
if isinstance(url, basestring):
# convert string to Qt's URL object
url = QUrl(url)
if html:
# load pre downloaded HTML
self.setContent(html, baseUrl=url)
return html
t1 = time()
loop = QEventLoop()
self.loadFinished.connect(loop.quit)
# need to make network request
request = QNetworkRequest(url)
if headers:
# add headers to request when defined
for header, value in headers:
request.setRawHeader(header, value)
self.page().networkAccessManager().main_url = url
request.setOriginatingObject(self)
if data:
# POST request
super(Browser,
self).load(request, QNetworkAccessManager.PostOperation,
data)
else:
# GET request
super(Browser, self).load(request)
# set a timeout on the download loop
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
timer.start(self.timeout * 1000)
loop.exec_() # delay here until download finished or timeout
if timer.isActive():
# downloaded successfully
timer.stop()
parsed_html = self.current_html()
self.wait(self.delay - (time() - t1))
else:
# did not download in time
common.logger.debug('Timed out: {}'.format(url.toString()))
parsed_html = ''
return parsed_html
class ScrollCounter(QThread):
scrollMeasureSignal = pyqtSignal(int, int)
scrollStartSignal = pyqtSignal()
scrollStopSignal = pyqtSignal()
def __init__(self):
QThread.__init__(self)
self.running = False
self.scrollingTimer = QTimer()
self.scrollingTimer.setSingleShot(True)
self.scrollingTimer.timeout.connect(self.scrollEventStop)
self.time = QTime()
self.counter = 0
def run(self):
self.running = True
while self.running:
QThread.usleep(100)
if self.scrollingTimer.isActive():
self.scrollMeasureSignal.emit(self.time.elapsed(),
self.counter)
self.running = False
def stop(self):
self.running = False
def scrollEvent(self):
if not self.scrollingTimer.isActive():
self.counter = 1
self.time.start()
self.scrollStartSignal.emit()
else:
self.counter += 1
self.scrollingTimer.start(200)
def scrollEventStop(self):
self.scrollMeasureSignal.emit(self.time.elapsed(), self.counter)
self.counter = 0
self.scrollStopSignal.emit()
class VariableManager(plugin.DocumentPlugin):
"""Caches variables in the document and monitors for changes.
The changed() Signal is emitted some time after the list of variables has been changed.
It is recommended to not change the document itself in response to this signal.
"""
changed = signals.Signal() # without argument
def __init__(self, document):
self._updateTimer = QTimer(singleShot=True, timeout=self.slotTimeout)
self._variables = self.readVariables()
document.contentsChange.connect(self.slotContentsChange)
document.closed.connect(self._updateTimer.stop) # just to be sure
def slotTimeout(self):
variables = self.readVariables()
if variables != self._variables:
self._variables = variables
self.changed()
def slotContentsChange(self, position, removed, added):
"""Called if the document changes."""
if (self.document().findBlock(position).blockNumber() < _LINES or
self.document().findBlock(position + added).blockNumber() > self.document().blockCount() - _LINES):
self._updateTimer.start(500)
def variables(self):
"""Returns the document variables (cached) as a dictionary. This method is recommended."""
if self._updateTimer.isActive():
# an update is pending, force it
self._updateTimer.stop()
self.slotTimeout()
return self._variables
def readVariables(self):
"""Reads the variables from the document and returns a dictionary. Internal."""
count = self.document().blockCount()
blocks = [self.document().firstBlock()]
if count > _LINES * 2:
blocks.append(self.document().findBlockByNumber(count - _LINES))
count = _LINES
def lines(block):
for i in range(count):
yield block.text()
block = block.next()
variables = {}
for block in blocks:
variables.update(m.group(1, 2) for n, m in positions(lines(block)))
return variables
class Handler(QFrame, Ui_Form):
def __init__(self, Exp):
super(Handler, self).__init__()
self.setupUi(self)
self.I = interface.Interface()
self.timegap = 0
self.looptimer = QTimer()
self.plot = Exp.add2DPlot()
self.plot3d = Exp.add3DPlot()
self.trace = Exp.addCurve(self.plot, 'IV', (255, 0, 255))
Exp.setRange(self.plot, 0, 0, 1.0, 1.5e-3)
self.plot.setLabel('bottom', 'Voltage -->>', units='V')
self.plot.setLabel('left', 'Current -->>', units='A')
def start(self, x=None):
self.Vval = 0.
self.num = 0
Exp.clearLinesOnPlane(self.plot3d)
self.X = []
self.Y = []
self.scaleX = 20 / 0.6
self.offX = -10
self.scaleY = 20 / 1.0e-3
self.offY = -10
if (not self.looptimer.isActive()):
self.looptimer = Exp.loopTask(self.timegap, self.acquire, 0)
def acquire(self, chan):
self.I.set_pvs2(self.Vval)
V = self.I.get_average_voltage('CH4')
I = self.I.get_average_voltage('CH1') / 441
self.VLabel.setText('V = %0.2fV' % (V))
self.ILabel.setText('I = %0.2fmA' % (I * 1e3))
self.X.append(V)
self.Y.append(I)
self.progress.setValue(round(self.Vval * 100 / 1.5))
self.Vval += 0.005
self.trace.setData(self.X, self.Y)
if (self.Vval > 1.5):
Z = [20 - 20. * self.num / 50 - 10] * len(self.X)
Exp.draw3dLine(self.plot3d, Z,
np.array(self.X) * self.scaleX + self.offX,
np.array(self.Y) * self.scaleY + self.offY,
(0, 100, 255))
self.X = []
self.Y = []
self.Vval = 0
self.num += 1
if (self.num == 50):
self.looptimer.stop()
class Timer(_Runable):
"""
:param str comment: user comment for timer
:param int seconds:
:param str suffix: time value suffix: seconds, minutes, hours
:param int orig_value:
"""
def __init__(self, parse_str):
"""
:param str parse_str:
:raise ValueError: if can't parse string
"""
data = parse_str.split(" ", 1)
if len(data) == 2:
self.comment = data[1]
else:
self.comment = ""
value = data[0] # like 15m, 5s, 1h
self.orig_value = int(value[:-1]) # integer value (raise ValueError)
s = value[-1].lower() # time suffix: s, m, h
if s == 's':
self.suffix = 'seconds'
self.seconds = self.orig_value
elif s == 'm':
self.suffix = 'minutes'
self.seconds = self.orig_value * 60
elif s == 'h':
self.suffix = 'hours'
self.seconds = self.orig_value * 60 * 60
else:
raise ValueError
self._timer = None
def start(self, link_fn):
self._timer = QTimer()
self._timer.timeout.connect(lambda: link_fn(self))
self._timer.start(self.seconds * 1000)
def stop(self):
self._timer.stop()
def isActive(self):
return self._timer and self._timer.isActive()
def open(self, url, timeout=60):
"""Wait for download to complete and return result"""
loop = QEventLoop()
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
self.loadFinished.connect(loop.quit)
self.load(QUrl(url))
timer.start(timeout * 1000)
loop.exec_() # delay here until download finised
if timer.isActive():
#downloaded successfully
timer.stop()
return self.html()
else:
#time out
print('Request timed out:', url)
def get(self, url=None, script=None, num_retries=1, jquery=False):
"""Load given url in webkit and return html when loaded
script is some javasript to exexute that will change the loaded page (eg form submission)
num_retries is how many times to try downloading this URL or executing this script
jquery is whether to inject JQuery into the document
"""
t1 = time()
self.base_url = self.base_url or url # set base URL if not set
#html = self.cache.get(key, {}).get('value')
#if html:
# self.debug('Load cache ' + key)
# self.setHtml(html, QUrl(self.base_url))
#else:
if 1:
loop = QEventLoop()
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
self.loadFinished.connect(loop.quit)
if url:
self.load(QUrl(url))
elif script:
self.js(script)
timer.start(self.timeout * 1000)
loop.exec_() # delay here until download finished or timeout
if timer.isActive():
# downloaded successfully
timer.stop()
parsed_html = self.current_html()
#if key:
# self.cache[key] = html
self.wait(self.delay - (time() - t1))
else:
# didn't download in time
if num_retries > 0:
common.logger.debug('Timeout - retrying')
parsed_html = self.get(url,
script=script,
num_retries=num_retries - 1,
jquery=jquery)
else:
common.logger.debug('Timed out')
parsed_html = ''
return parsed_html
def get(self, url=None, html=None, script=None, num_retries=1, jquery=False):
"""Load given url in webkit and return html when loaded
url:
the URL to load
html:
optional HTML to set instead of downloading
script:
some javasript to exexute that will change the loaded page (eg form submission)
num_retries:
how many times to try downloading this URL or executing this script
jquery:
whether to inject JQuery library into the document
"""
t1 = time()
self.base_url = self.base_url or url # set base URL if not set
loop = QEventLoop()
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
self.loadFinished.connect(loop.quit)
if url:
if html:
self.setHtml(html, QUrl(url))
else:
self.load(QUrl(url))
elif script:
self.js(script)
timer.start(self.timeout * 1000)
loop.exec_() # delay here until download finished or timeout
if timer.isActive():
# downloaded successfully
timer.stop()
parsed_html = self.current_html()
self.wait(self.delay - (time() - t1))
else:
# did not download in time
if num_retries > 0:
common.logger.debug('Timeout - retrying')
parsed_html = self.get(url, script=script, num_retries=num_retries-1, jquery=jquery)
else:
common.logger.debug('Timed out')
parsed_html = ''
return parsed_html
class Alarm(_Runable):
"""
:param str comment: user comment for timer
:param int hour:
:param int minute:
"""
def __init__(self, parse_str):
if ' ' in parse_str:
v, c = parse_str.split(' ', 1)
else:
v, c = parse_str, ''
h, m = v.split(':')
h, m = int(h), int(m)
if not (0 <= h < 24):
raise ValueError
if not (0 <= m < 60):
raise ValueError
self.hour = h
self.minute = m
self.comment = c
self._timer = None
def start(self, link_fn):
self._timer = QTimer()
self._timer.timeout.connect(lambda: link_fn(self))
now = datetime.now()
a = datetime(
year=now.year, month=now.month,
day=self.hour < now.hour and now.day + 1 or now.day,
hour=self.hour, minute=self.minute, tzinfo=now.tzinfo
)
d = a - now
if d.total_seconds() > 1:
self._timer.start(d.total_seconds() * 1000)
def stop(self):
self._timer.stop()
def isActive(self):
return self._timer and self._timer.isActive()
def get(self, url=None, script=None, retries=1, inject=True):
"""Load given url in webkit and return html when loaded
script is some javasript to exexute that will change the loaded page (eg form submission)
retries is how many times to try downloading this URL or executing this script
inject is whether to inject JQuery into the document
"""
t1 = time()
self.base_url = self.base_url or url # set base URL if not set
# html = self.cache.get(key, {}).get('value')
# if html:
# self.debug('Load cache ' + key)
# self.setHtml(html, QUrl(self.base_url))
# else:
if 1:
loop = QEventLoop()
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
self.loadFinished.connect(loop.quit)
if url:
self.load(QUrl(url))
elif script:
self.js(script)
timer.start(self.timeout * 1000)
loop.exec_() # delay here until download finished or timeout
if timer.isActive():
# downloaded successfully
timer.stop()
parsed_html = self.current_html()
# if key:
# self.cache[key] = html
self.wait(self.delay - (time() - t1))
else:
# didn't download in time
if retries > 0:
common.logger.debug("Timeout - retrying")
parsed_html = self.get(url, script=script, retries=retries - 1, inject=inject)
else:
common.logger.debug("Timed out")
parsed_html = ""
return parsed_html
class Handler(QFrame,Ui_Form):
def __init__(self,Exp):
super(Handler, self).__init__()
self.setupUi(self)
self.I = interface.Interface()
self.timegap=0
self.looptimer=QTimer()
self.plot = Exp.add2DPlot()
self.plot3d = Exp.add3DPlot()
self.trace = Exp.addCurve(self.plot,'IV',(255,0,255))
Exp.setRange(self.plot,0,0,1.0,1.5e-3)
self.plot.setLabel('bottom', 'Voltage -->>', units='V')
self.plot.setLabel('left', 'Current -->>', units='A')
def start(self,x=None):
self.Vval=0.
self.num=0
Exp.clearLinesOnPlane(self.plot3d)
self.X=[]
self.Y=[]
self.scaleX=20/0.6;self.offX=-10
self.scaleY=20/1.0e-3;self.offY=-10
if(not self.looptimer.isActive()):self.looptimer=Exp.loopTask(self.timegap,self.acquire,0)
def acquire(self,chan):
self.I.set_pvs2(self.Vval)
V=self.I.get_average_voltage('CH4')
I=self.I.get_average_voltage('CH1')/441
self.VLabel.setText('V = %0.2fV'%(V)); self.ILabel.setText('I = %0.2fmA'%(I*1e3))
self.X.append(V);self.Y.append(I)
self.progress.setValue(round(self.Vval*100/1.5))
self.Vval+=0.005
self.trace.setData(self.X,self.Y)
if(self.Vval>1.5):
Z=[20-20.*self.num/50-10]*len(self.X)
Exp.draw3dLine(self.plot3d,Z,np.array(self.X)*self.scaleX+self.offX,np.array(self.Y)*self.scaleY+self.offY,(0,100,255))
self.X=[]
self.Y=[]
self.Vval=0
self.num+=1
if(self.num==50):
self.looptimer.stop()
class MyListItem(QtGui.QListWidgetItem):
def __init__(self,targetTime,targetPos):
self.targetPos=targetPos
self.targetTimeStamp = targetTime.toTime_t()
self.timer = QTimer()
self.timer.timeout.connect(self.TimerCallBack)
QtGui.QListWidgetItem.__init__(self, targetTime.toString(window._appDataMgr.DataTimeFormat) +" TargetPos" + str(self.targetPos))
self.timer.start((self.targetTimeStamp - window._timeMgr.GetSystemDataTimeStamp())*1000)
def __del__(self):
print("MyListItem __del__")
if (self.targetTimeStamp in window._missionList):
window._missionList.remove(self.targetTimeStamp)
if (self.timer.isActive()):
self.timer.stop()
def TimerCallBack(self):
self.ControlCurtain()
window.ListWidget.takeItem(window.ListWidget.row(self))
def ControlCurtain(self):
window.curtain.ControlCurtainWithTargetPos(self.targetPos)
class GlobalTimer:
"""All parsing and highlighting is done in main loop thread.
If parsing is being done for long time, main loop gets blocked.
Therefore SyntaxHighlighter controls, how long parsign is going, and, if too long,
schedules timer and releases main loop.
One global timer is used by all Qutepart instances, because main loop time usage
must not depend on opened files count
"""
def __init__(self):
self._timer = QTimer(QApplication.instance())
self._timer.setSingleShot(True)
self._timer.timeout.connect(self._onTimer)
self._scheduledCallbacks = []
def isActive(self):
return self._timer.isActive()
def scheduleCallback(self, callback):
if not callback in self._scheduledCallbacks:
self._scheduledCallbacks.append(callback)
self._timer.start()
def unScheduleCallback(self, callback):
if callback in self._scheduledCallbacks:
self._scheduledCallbacks.remove(callback)
if not self._scheduledCallbacks:
self._timer.stop()
def isCallbackScheduled(self, callback):
return callback in self._scheduledCallbacks
def _onTimer(self):
if self._scheduledCallbacks:
callback = self._scheduledCallbacks.pop()
callback()
if self._scheduledCallbacks:
self._timer.start()
class GlobalTimer:
"""All parsing and highlighting is done in main loop thread.
If parsing is being done for long time, main loop gets blocked.
Therefore SyntaxHighlighter controls, how long parsign is going, and, if too long,
schedules timer and releases main loop.
One global timer is used by all Qutepart instances, because main loop time usage
must not depend on opened files count
"""
def __init__(self):
self._timer = QTimer(QApplication.instance())
self._timer.setSingleShot(True)
self._timer.timeout.connect(self._onTimer)
self._scheduledCallbacks = []
def isActive(self):
return self._timer.isActive()
def scheduleCallback(self, callback):
if not callback in self._scheduledCallbacks:
self._scheduledCallbacks.append(callback)
self._timer.start()
def unScheduleCallback(self, callback):
if callback in self._scheduledCallbacks:
self._scheduledCallbacks.remove(callback)
if not self._scheduledCallbacks:
self._timer.stop()
def isCallbackScheduled(self, callback):
return callback in self._scheduledCallbacks
def _onTimer(self):
if self._scheduledCallbacks:
callback = self._scheduledCallbacks.pop()
callback()
if self._scheduledCallbacks:
self._timer.start()
class ErrorMessageFilter(QObject):
"""
In a parallel program, the same error may occur in several threads in close succession.
For example, all slice views will notice a "filter too large" error simultaneously.
This class collects error messages for a certain time (currently: 200ms) and then
displays each unique message only once.
"""
def __init__(self, parent):
super(QObject, self).__init__(parent)
self.messages = {}
self.timer = QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(200)
self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.timeout)
def showErrorMessage(self, caption, text):
if not self.timer.isActive():
self.timer.start()
self.messages[text] = caption
def timeout(self):
for text, caption in self.messages.iteritems():
QMessageBox.critical(self.parent(), caption, text)
self.messages = {}
class BagadresString(QObject):
def __init__(self):
QObject.__init__(self)
self.basewfs = "http://geo.zaanstad.nl/geoserver/wfs?request=GetFeature&version=2.0.0&outputFormat=JSON"
self.manager = QNetworkAccessManager(self)
self.timer = QTimer()
self.loop = QEventLoop()
self.reply = None
def request(self, gebouwnummer):
qurl = QUrl.fromUserInput(self.basewfs)
qurl.addQueryItem('typeName', 'geo:bag_verblijfsobject')
qurl.addQueryItem('filter', "<PropertyIsEqualTo><PropertyName>gebouwnummer</PropertyName><Literal>" + unicode(gebouwnummer) + "</Literal></PropertyIsEqualTo>")
request = QNetworkRequest(qurl)
self.reply = self.manager.get(request)
self.reply.finished.connect(self.loop.quit)
self.timer.start(5000)
self.loop.exec_()
if self.timer.isActive():
self.timer.stop()
r = self.handleReply()
else:
raise Exception("Timeout error.")
return r
def handleReply(self):
reply = self.reply
response_text = reply.readAll().data()
data = json.loads(response_text)
feature = data['features'][0]
reply.deleteLater()
return feature['properties']['adres'] + " (" + feature['properties']['gebruik'] + ")"
class MyWilddog(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
#your_storageyour_storage
self.__wilddog = wilddog.WilddogApplication(
'https://wd6711391518tgqjft.wilddogio.com', None)
result = self.__wilddog.get('/Flagmingo', 'Curtain')
self.__wilddogCallBack = []
def AddWilddogCallback(self, func):
self.__wilddogCallBack.append(func)
def RemoveWilddogCallback(self, func):
self.__wilddogCallBack.remove(func)
def UpdateWilddogNodeValue(self, nodeurl, value):
self.__wilddog.put_async('/Flagmingo', nodeurl, value)
def DeleteWilddogNodeValue(self, nodeurl):
self.__wilddog.delete_async('/Flagmingo', nodeurl)
def StartReadUrlLoop(self, loopTime):
self._listenWebTimer = QTimer(self)
self._listenWebTimer.setInterval(loopTime * 1000)
self._listenWebTimer.timeout.connect(self.__GetUrl)
self._listenWebTimer.start()
def StopReadUrlLoop(self):
if (self._listenWebTimer.isActive()):
self._listenWebTimer.stop()
def __GetUrl(self):
self.__result = self.__wilddog.get('/Flagmingo', None)
for callbackfunc in self.__wilddogCallBack:
callbackfunc(self.__result)
class DataViewerBase(QMainWindow):
"""
Base GUI class for viewing data / images.
This class was made in the purpose of viewing VMI images.
"""
# _name = DataViewerBase().__class__.__name__
def __init__(self, filepath=""):
"""
Initialization.
"""
super().__init__()
self.initInnerParameters(filepath)
self.initGui()
self.initGetDataProcess()
self.initUpdateImageProcess()
self.initCheckWindowProcess()
@footprint
def initInnerParameters(self, filepath):
"""
Initialize the inner parameters.
"""
self._mutex = QMutex()
self._windows = []
self.initData()
self._isUpdatingImage = False
self._font_size_button = 16 # [pixel]
self._font_size_groupbox_title = 12 # [pixel]
self._font_size_label = 11 # [pixel]
self._font_bold_label = True
self._init_window_width = 1600 # [pixel]
self._init_window_height = 700 # [pixel]
self._init_button_color = "#EBF5FB"
self.main_bgcolor = "#FDF2E9"
self._get_data_interval = 1 # [sec]
self._get_data_worker_sleep_interval = self._get_data_interval - 0.1 # [sec]
self._update_image_interval = 2 # [sec]
self._get_update_delay = 1 # [sec]
self._check_window_interval = 1 # [sec]
self._currentDir = os.path.dirname(__file__)
self._online = False
self._closing_dialog = True
if os.path.exists(
os.path.join(os.path.dirname(__file__), "config.json")):
self.loadConfig()
if not os.path.exists(
os.path.join(os.path.dirname(__file__),
"config_getdata.json")):
raise FileNotFoundError("config_getdata.json")
self.loadConfigGetData()
@footprint
@pyqtSlot()
def initData(self):
"""
Initialize inner data.
"""
self.dataset = {
"sig_wl": None,
"sig_wol": None,
"bg_wl": None,
"bg_wol": None
}
self.nbr_of_sig = 0
self.nbr_of_bg = 0
self.sig = None
self.bg = None
self.currentRun = -1
self.startTag = -1
self.endTag = -1
@footprint
def loadConfig(self):
"""
Load a config file.
"""
with open(os.path.join(os.path.dirname(__file__), "config.json"),
'r') as ff:
config = json.load(ff)
if config.get("currentDir") is not None:
if isinstance(config.get("currentDir"), str):
if os.path.exists(config.get("currentDir")):
self._currentDir = config["currentDir"]
if config.get("online") is not None:
if isinstance(config.get("online"), bool):
self._online = config["online"]
if config.get("closing_dialog") is not None:
if isinstance(config.get("closing_dialog"), bool):
self._closing_dialog = config["closing_dialog"]
if config.get("emulate") is not None:
if isinstance(config.get("emulate"), bool):
self._emulate = config["emulate"]
if config.get("font_size_button") is not None:
if isinstance(config.get("font_size_button"), int):
self._font_size_button = config["font_size_button"]
if config.get("font_size_groupbox_title") is not None:
if isinstance(config.get("font_size_groupbox_title"), int):
self._font_size_groupbox_title = config[
"font_size_groupbox_title"]
if config.get("font_size_label") is not None:
if isinstance(config.get("font_size_label"), int):
self._font_size_label = config["font_size_label"]
if config.get("font_bold_label") is not None:
if isinstance(config.get("font_bold_label"), bool):
self._font_bold_label = config["font_bold_label"]
self._config = config
def loadConfigGetData(self):
"""
Load a config file of getDatawithOLPY.
"""
with open(
os.path.join(os.path.dirname(__file__), "config_getdata.json"),
'r') as ff:
config_get_data = json.load(ff)
self._get_data_interval = config_get_data["interval"] # [sec]
self._get_data_worker_sleep_interval = self._get_data_interval - 0.1 # [sec]
self._get_data_ports = config_get_data["port"]
self._get_info_port = config_get_data["port_info"]
self._config_get_data = config_get_data
@footprint
def initGui(self):
"""
Initialize the GUI.
"""
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.initMainWidget()
self.setMenuBar()
self.setWindowTitle("VMI Viewer")
self.resize(self._init_window_width, self._init_window_height)
### RunInfo.
group_runinfo = QGroupBox(self)
group_runinfo.setTitle("RunInfo")
font = group_runinfo.font()
font.setPointSize(self._font_size_groupbox_title)
group_runinfo.setFont(font)
group_runinfo.resize(400, 100)
grid_runinfo = QGridLayout(group_runinfo)
# Run No.
label_run = QLabel(self)
label_run.setText("Run No. : ")
label_run.setAlignment(Qt.AlignRight)
font = label_run.font()
font.setPointSize(self._font_size_label)
font.setBold(self._font_bold_label)
label_run.setFont(font)
self.label_run_number = QLabel(self)
self.label_run_number.setText("Unknown")
pal = QPalette()
pal.setColor(QPalette.Foreground, QColor("#0B5345"))
self.label_run_number.setPalette(pal)
font = self.label_run_number.font()
font.setBold(True)
font.setPointSize(self._font_size_label)
self.label_run_number.setFont(font)
# Tag No.
label_tag = QLabel(self)
label_tag.setText("Tag No. : ")
label_tag.setAlignment(Qt.AlignRight)
font = label_tag.font()
font.setPointSize(self._font_size_label)
font.setBold(self._font_bold_label)
label_tag.setFont(font)
self.label_tag_start = QLabel(self)
self.label_tag_start.setText("None")
font = self.label_tag_start.font()
font.setBold(True)
font.setPointSize(self._font_size_label)
self.label_tag_start.setFont(font)
label_tag_hyphen = QLabel(self)
label_tag_hyphen.setText(" - ")
label_tag_hyphen.setFixedWidth(30)
font = label_tag_hyphen.font()
font.setPointSize(self._font_size_label)
font.setBold(self._font_bold_label)
label_tag_hyphen.setFont(font)
self.label_tag_end = QLabel(self)
self.label_tag_end.setText("None")
font = self.label_tag_end.font()
font.setBold(True)
font.setPointSize(self._font_size_label)
self.label_tag_end.setFont(font)
# Sig / BG.
label_sig = QLabel(self)
label_sig.setText("# of Sig : ")
label_sig.setAlignment(Qt.AlignRight)
font = label_sig.font()
font.setPointSize(self._font_size_label)
font.setBold(self._font_bold_label)
label_sig.setFont(font)
self.label_nbr_of_sig = QLabel(self)
self.label_nbr_of_sig.setText("None")
font = self.label_nbr_of_sig.font()
font.setBold(True)
font.setPointSize(self._font_size_label)
self.label_nbr_of_sig.setFont(font)
label_bg = QLabel(self)
label_bg.setText("# of BG : ")
label_bg.setAlignment(Qt.AlignRight)
font = label_bg.font()
font.setPointSize(self._font_size_label)
font.setBold(self._font_bold_label)
label_bg.setFont(font)
self.label_nbr_of_bg = QLabel(self)
self.label_nbr_of_bg.setText("None")
font = self.label_nbr_of_bg.font()
font.setBold(True)
font.setPointSize(self._font_size_label)
self.label_nbr_of_bg.setFont(font)
# Construct the layout.
grid_runinfo.addWidget(label_run, 0, 0)
grid_runinfo.addWidget(self.label_run_number, 0, 1, 1, 3)
grid_runinfo.addWidget(label_tag, 1, 0)
grid_runinfo.addWidget(self.label_tag_start, 1, 1)
grid_runinfo.addWidget(label_tag_hyphen, 1, 2)
grid_runinfo.addWidget(self.label_tag_end, 1, 3)
grid_runinfo.addWidget(label_sig, 2, 0)
grid_runinfo.addWidget(self.label_nbr_of_sig, 2, 1)
grid_runinfo.addWidget(label_bg, 2, 2)
grid_runinfo.addWidget(self.label_nbr_of_bg, 2, 3)
### Settings.
# group_settings = QGroupBox(self)
# group_settings.setTitle("Settings")
# font = group_settings.font()
# font.setPointSize(self._font_size_groupbox_title)
# group_settings.setFont(font)
# group_settings.resize(400, 100)
# grid_settings = QGridLayout(group_settings)
# # Update interval.
# label_upd_rate = QLabel(self)
# label_upd_rate.setText("Upd. image interval: ")
# font = label_upd_rate.font()
# font.setPointSize(self._font_size_label)
# font.setBold(self._font_bold_label)
# label_upd_rate.setFont(font)
# self.spinbox_upd_img_interval = QDoubleSpinBox(self)
# self.spinbox_upd_img_interval.setValue(self._get_data_interval)
# self.spinbox_upd_img_interval.setFixedWidth(100)
# self.spinbox_upd_img_interval.setAlignment(Qt.AlignRight)
# font = self.spinbox_upd_img_interval.font()
# font.setBold(True)
# font.setPointSize(self._font_size_label)
# self.spinbox_upd_img_interval.setFont(font)
# label_upd_rate_unit = QLabel(self)
# label_upd_rate_unit.setText("sec")
# font = label_upd_rate_unit.font()
# font.setPointSize(self._font_size_label)
# font.setBold(self._font_bold_label)
# label_upd_rate_unit.setFont(font)
# Construct the layout.
# grid_settings.addWidget(label_upd_rate, 0, 0, 1, 3)
# grid_settings.addWidget(self.spinbox_upd_img_interval, 0, 3)
# grid_settings.addWidget(label_upd_rate_unit, 0, 4)
### Function buttons.
group_func = QGroupBox(self)
group_func.setTitle("Function")
font = group_func.font()
font.setPointSize(self._font_size_groupbox_title)
group_func.setFont(font)
group_func.resize(400, 100)
grid_func = QGridLayout(group_func)
grid_func.setSpacing(10)
# Start/Stop main process button.
self.brun = QPushButton(group_func)
self.brun.setText("Start")
font = self.brun.font()
font.setPointSize(self._font_size_button)
self.brun.setFont(font)
self.brun.resize(400, 50)
self.brun.setStyleSheet("background-color:{};".format(
self._init_button_color))
self.brun.clicked.connect(self.runMainProcess)
# Clear data button.
bclear = QPushButton(group_func)
bclear.setText("Clear")
font = bclear.font()
font.setPointSize(self._font_size_button)
bclear.setFont(font)
bclear.resize(400, 50)
bclear.setStyleSheet("background-color:{};".format(
self._init_button_color))
bclear.clicked.connect(self.clearData)
# Save images button.
bsave = QPushButton(group_func)
bsave.setText("Save")
font = bsave.font()
font.setPointSize(self._font_size_button)
bsave.setFont(font)
bsave.resize(400, 50)
bsave.setStyleSheet("background-color:{};".format(
self._init_button_color))
bsave.clicked.connect(self.saveData)
# New window button.
bwindow = QPushButton(group_func)
bwindow.setText("Window")
font = bwindow.font()
font.setPointSize(self._font_size_button)
bwindow.setFont(font)
bwindow.resize(400, 50)
bwindow.setStyleSheet("background-color:{};".format(
self._init_button_color))
bwindow.clicked.connect(self.showWindow)
# Construct the layout of RunInfo groupbox.
grid_func.addWidget(self.brun, 0, 0)
grid_func.addWidget(bclear, 0, 1)
grid_func.addWidget(bsave, 1, 0)
grid_func.addWidget(bwindow, 1, 1)
### Plotting area.
grp1 = QGroupBox(self)
# grp1.setTitle("SIG WL")
grp1.setTitle("SIG")
font = grp1.font()
font.setPointSize(self._font_size_groupbox_title)
grp1.setFont(font)
gp1 = QGridLayout(grp1)
gp1.setSpacing(10)
grp2 = QGroupBox(self)
# grp2.setTitle("SIG WOL")
grp2.setTitle("BG")
font = grp2.font()
font.setPointSize(self._font_size_groupbox_title)
grp2.setFont(font)
gp2 = QGridLayout(grp2)
gp2.setSpacing(10)
grp3 = QGroupBox(self)
# grp3.setTitle("BG WL")
grp3.setTitle("SIg - BG")
font = grp3.font()
font.setPointSize(self._font_size_groupbox_title)
grp3.setFont(font)
gp3 = QGridLayout(grp3)
gp3.setSpacing(10)
# grp4 = QGroupBox(self)
# grp4.setTitle("BG WOL")
# font = grp4.font()
# font.setPointSize(self._font_size_groupbox_title)
# grp4.setFont(font)
# gp4 = QGridLayout(grp4)
# gp4.setSpacing(10)
kwargs = dict(px=False, py=False, ph=False, bp=False)
self.pw1 = PlotWindow(self, **kwargs)
self.pw2 = PlotWindow(self, **kwargs)
self.pw3 = PlotWindow(self, **kwargs)
# self.pw4 = PlotWindow(self, **kwargs)
gp1.addWidget(self.pw1, 0, 0)
gp2.addWidget(self.pw2, 0, 0)
gp3.addWidget(self.pw3, 0, 0)
# gp4.addWidget(self.pw4, 0, 0)
### Construct the layout.
self.grid.addWidget(group_runinfo, 0, 0)
# self.grid.addWidget(group_settings, 0, 1)
self.grid.addWidget(group_func, 0, 1)
self.grid.addWidget(grp1, 1, 0, 2, 1)
self.grid.addWidget(grp2, 1, 1, 2, 1)
self.grid.addWidget(grp3, 1, 2, 2, 1)
# self.grid.addWidget(grp4, 1, 3, 2, 1)
self.main_widget.setFocus()
self.setCentralWidget(self.main_widget)
@footprint
def initMainWidget(self):
"""
Initialize the main widget and the grid.
"""
self.main_widget = QWidget(self)
self.setStyleSheet("background-color:{};".format(self.main_bgcolor))
self.grid = QGridLayout(self.main_widget)
self.grid.setSpacing(10)
self.setWindowIcon(
QIcon(os.path.join(os.path.dirname(__file__), "python.png")))
@footprint
def setMenuBar(self):
"""
Set the contents of the menu bar
"""
## File
file_menu = QMenu('&File', self)
# Open
# file_menu.addAction('&Open', self.openFile,
# QtCore.Qt.CTRL + QtCore.Qt.Key_O)
# Config
file_menu.addAction('&Config', self.setConfig,
QtCore.Qt.CTRL + QtCore.Qt.Key_C)
# Quit
file_menu.addAction('&Quit', self.quitApp,
QtCore.Qt.CTRL + QtCore.Qt.Key_Q)
self.menuBar().addMenu(file_menu)
## Help
# help_menu = QMenu('&Help', self)
# help_menu.addAction('Help', self.showHelp)
# help_menu.addAction('About...', self.showAbout)
self.menuBar().addSeparator()
# self.menuBar().addMenu(help_menu)
######################## Menu bar ########################
@footprint
def openFile(self):
"""
Show a file dialog and select a file
"""
pass
@footprint
def setConfig(self):
"""
Set configuration of this application.
"""
pass
@footprint
def quitApp(self):
"""
Quit this application.
"""
self.close()
@footprint
def showHelp(self):
"""
Show a pop-up dialog showing how to use this application.
"""
pass
@footprint
def showAbout(self):
"""
Show a pop-up dialog describing this application.
"""
pass
######################## Widgets' functions ########################
@footprint
@pyqtSlot()
def showWindow(self):
window = PlotWindow(self, "win{0:02d}".format(len(self._windows) + 1))
window.show()
window.raise_()
window.activateWindow()
self._windows.append(window)
@footprint
@pyqtSlot()
def runMainProcess(self):
if not self._timer_getData.isActive():
self.initData()
for listener in self._worker_getData.listeners.values():
listener.Connect()
self._worker_getData.listener_info.Connect()
# self._update_image_interval = self.spinbox_upd_img_interval.value()
# self.spinbox_upd_img_interval.setEnabled(False)
self._timer_getData.start()
self.brun.setText("Stop")
if not self._timer_updImage.isActive():
time.sleep(self._get_update_delay)
self._timer_updImage.start()
else:
self.brun.setEnabled(False)
self.stopTimer = True
@footprint
@pyqtSlot()
def saveData(self):
now_save = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
now = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
saveDataDir = os.path.join(os.path.dirname(__file__), "data",
"Run{}".format(str(self.currentRun)))
# Data.
if not os.path.exists(saveDataDir):
os.makedirs(saveDataDir)
for _types in self._get_data_ports.keys():
np.save(os.path.join(saveDataDir, "data_{0}_{1}.npy".format(now, _types)), \
self.dataset[_types])
# Image.
# saveScn = os.path.join(saveDataDir, "{}_screenshot.png".format(now))
# QPixmap.grabWindow(self.winId()).save(saveScn, 'png')
# Status.
status = {
"save_datetime": now_save,
"Run": self.label_run_number.text(),
"StartTag": self.label_tag_start.text(),
"CurrentTag": self.label_tag_end.text()
}
with open(os.path.join(saveDataDir, "{}_status.json".format(now)),
"w") as ff:
json.dump(status, ff)
@footprint
@pyqtSlot()
def clearData(self):
self.saveData()
self.initData()
######################## GetDataProcess ########################
@footprint
def initGetDataProcess(self):
self._timer_getData = QTimer()
self._timer_getData.setInterval(int(self._get_data_interval * 1000))
self.stopTimer = False
self._thread_getData = QThread()
self._worker_getData = GetDataWorker3(port=self._get_data_ports,
port_info=self._get_info_port)
self._worker_getData.sleepInterval = self._get_data_worker_sleep_interval
# Start.
self._timer_getData.timeout.connect(self.startGettingDataThread)
self._thread_getData.started.connect(self._worker_getData.process)
self._worker_getData.do_something.connect(self.updateData)
# Finish.
self._worker_getData.finished.connect(self._thread_getData.quit)
self._thread_getData.finished.connect(self.checkIsTimerStopped)
# Move.
self._worker_getData.moveToThread(self._thread_getData)
@footprint
@pyqtSlot()
def startGettingDataThread(self):
if not self._thread_getData.isRunning():
print("start thread by timer.")
self._thread_getData.start()
else:
print("Thread is running.")
@footprint
@pyqtSlot(object)
def updateData(self, obj):
if self._isUpdatingImage is False: # In case.
if obj is not None:
for key in self.dataset.keys():
if self.dataset.get(key) is None and obj.get(
key) is not None:
self.dataset[key] = obj.get(key).copy()
elif obj.get(key) is not None:
self.dataset[key] += obj.get(key).copy()
currentRun = obj.get("currentRun")
self.label_run_number.setText(str(currentRun))
if self.nbr_of_sig == 0:
self.label_tag_start.setText(str(obj.get("startTag")))
self.label_tag_end.setText(str(obj.get("endTag")))
self.nbr_of_sig += obj.get("nbr_sig_wl") + obj.get(
"nbr_sig_wol")
self.nbr_of_bg += obj.get("nbr_bg_wl") + obj.get("nbr_bg_wol")
self.label_nbr_of_sig.setText(str(self.nbr_of_sig))
self.label_nbr_of_bg.setText(str(self.nbr_of_bg))
if self.currentRun != -1 and currentRun != self.currentRun:
self.saveData()
self.initData()
self.currentRun = currentRun
@footprint
@pyqtSlot()
def checkIsTimerStopped(self):
if self.stopTimer:
self._timer_getData.stop()
self._timer_updImage.stop()
print("timer stopped.")
for listener in self._worker_getData.listeners.values():
listener.Close()
self._worker_getData.listener_info.Close()
self.stopTimer = False
self.brun.setEnabled(True)
self.brun.setText("Start")
# self.spinbox_upd_img_interval.setEnabled(True)
######################## updateImageProcess ########################
@footprint
def initUpdateImageProcess(self):
self._timer_updImage = QTimer()
self._timer_updImage.setInterval(
int(self._update_image_interval * 1000))
self._timer_updImage.timeout.connect(self.updateImage)
@footprint
def updateImage(self):
self._isUpdatingImage = True
try:
with QMutexLocker(self._mutex):
sig_wl = self.dataset.get("sig_wl", None)
sig_wol = self.dataset.get("sig_wol", None)
bg_wl = self.dataset.get("bg_wl", None)
bg_wol = self.dataset.get("bg_wol", None)
if self.sig is None or self.bg is None:
self.sig = sig_wl + sig_wol
self.bg = bg_wl + bg_wol
else:
self.sig += sig_wl + sig_wol
self.bg += bg_wl + bg_wol
# print(self.sig.dtype)
# buff1 = self.sig / float(self.nbr_of_sig)
self.pw1.data = self.sig / float(self.nbr_of_sig)
# buff1 = self.bg / float(self.nbr_of_bg)
self.pw2.data = self.bg / float(self.nbr_of_bg)
self.pw3.data = self.pw1.data - self.pw2.data
# self.pw4.data = bg_wol
# if sig_wl is not None and sig_wol is not None:
# self.pw3.data = sig_wl - sig_wol
for window in self._windows:
if not window.is_closed:
window.data = sig_wl
except Exception as ex:
print(ex)
self._isUpdatingImage = False
if self.sig is not None and self.bg is not None:
self.pw1.updateImage()
self.pw2.updateImage()
self.pw3.updateImage()
# self.pw4.updateImage()
######################## CheckWindowProcess ########################
@footprint
def initCheckWindowProcess(self):
"""
Initialize checkWindow process.
"""
self._timer_checkWindow = QTimer()
self._timer_checkWindow.setInterval(
int(self._check_window_interval * 1000))
self._timer_checkWindow.timeout.connect(self.checkWindow)
self._timer_checkWindow.start()
# @footprint
@pyqtSlot()
def checkWindow(self):
"""
Check whether windows are active.
"""
# print(len(self._windows))
N = len(self._windows) * 1
for ii in range(N):
if self._windows[N - ii - 1].is_closed:
del self._windows[N - ii - 1]
# @footprint
# @pyqtSlot()
# def finishWorker(self):
# pass
######################## Closing processes ########################
@footprint
def closeEvent(self, event):
if self._thread_getData.isRunning():
string = "Some threads are still running.\n"
string += "Please wait for their finishing."
confirmObject = QMessageBox.warning(self, "Closing is ignored.",
string, QMessageBox.Ok)
event.ignore()
return
if self._closing_dialog:
confirmObject = QMessageBox.question(
self, "Closing...", "Are you sure to quit?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
if confirmObject == QMessageBox.Yes:
self.makeConfig()
with open(
os.path.join(os.path.dirname(__file__), "config.json"),
"w") as ff:
json.dump(self.config, ff)
self.stopAllTimers()
self.saveData()
event.accept()
else:
event.ignore()
else:
self.makeConfig()
with open(os.path.join(os.path.dirname(__file__), "config.json"),
"w") as ff:
json.dump(self.config, ff, indent=4)
self.saveData()
self.stopAllTimers()
@footprint
def stopAllTimers(self):
if self._timer_getData.isActive():
self._timer_getData.stop()
if self._timer_updImage.isActive():
self._timer_updImage.stop()
if self._timer_checkWindow.isActive():
self._timer_checkWindow.stop()
@footprint
def makeConfig(self):
"""
Make a config dict object to save the latest configration in.
"""
self.config = OrderedDict([
("online", self._online), ("closing_dialog", self._closing_dialog),
("currentDir", self._currentDir), ("emulate", self._emulate),
("font_size_button", self._font_size_button),
("font_size_label", self._font_size_label),
("font_size_groupbox_title", self._font_size_groupbox_title)
])
class MQTTClient(QtCore.QObject):
"""
Wrapper class for Mosquitto MQTT client
Provides inherited helper classes for SingleShot and Test requests
Initial approach was to sub class QThread, but reading revealed that
running the timers within a thread was the preferred approach.
"""
kMaxAttempts = 3
kMinKeepAlive = 5
kResetTimer = 60
mqttOnConnect = pyqtSignal(QObject, QObject, int)
mqttOnDisConnect = pyqtSignal(QObject, QObject, int)
mqttOnMessage = pyqtSignal(QObject, QObject, QObject)
mqttOnPublish = pyqtSignal(QObject, QObject, int)
mqttOnSubscribe = pyqtSignal(QObject, QObject, int, int)
mqttOnLog = pyqtSignal(str, int)
mqttOnTimeout = pyqtSignal(QObject)
mqttConnectionError = pyqtSignal(QObject, str)
# Hmmm new style signals cause problems with multiple parameters
# mqttConnectionError = QtCore.pyqtSignal([str])
# Add username/password
def __init__(self, creator, clientId, broker, cleanSession=True):
super(MQTTClient, self).__init__()
# Load settings
self._creator = creator
# create client id
self._cleanSession = cleanSession
self._resetTimer = QTimer()
self._resetTimer.setSingleShot(True)
self._resetTimer.timeout.connect(self._reset)
self._killTimer = QTimer()
self._killTimer.setSingleShot(True)
self._killTimer.timeout.connect(self._kill)
self._killing = False
self._loopTimer = QTimer()
self._loopTimer.setSingleShot(False)
self._loopTimer.timeout.connect(self._loop)
self._clientId = clientId
self._host = broker.host()
self._port = int(broker.port())
self._poll = int(broker.poll())
self.setKeepAlive(broker.keepAlive())
self._attempts = 0
self._attempted = 0
self._connected = False
self._thread = QThread(self)
self._thread.started.connect(lambda: self._loopTimer.start(self._poll))
self._thread.finished.connect(self._loopTimer.stop)
self._thread.started.connect(lambda: Log.debug("Thread started"))
self._thread.finished.connect(lambda: Log.debug("Thread stopped"))
self._thread.terminated.connect(lambda: Log.debug("Thread terminated"))
self._restarting = False
self._subscribed = []
# self.mqttc = mqtt.Client(self._clientId, self._cleanSession)
self.mqttc = mqtt.Mosquitto(self._clientId, self._cleanSession)
if broker.username(): # Basic Auth!
self.mqttc.username_pw_set(broker.username(), broker.password())
self.mqttc.on_connect = self.on_connect
self.mqttc.on_disconnect = self.on_disconnect
self.mqttc.on_message = self.onMessage
self.mqttc.on_publish = self.onPublish
self.mqttc.on_subscribe = self.onSubscribe
# self.mqttc.on_unsubscribe = self.onSubscribe - not implemented - remove element from self._subscribed
self.mqttc.on_log = self.onLog
def _canRun(self):
return True
def run(self):
Log.debug("MQTT client run")
if self.isRunning() or self._killing:
self.restart()
return
if self._restarting:
self._thread.finished.disconnect(self.run)
self._restarting = False
self._thread.start(QThread.LowestPriority)
def stop(self):
self._thread.quit() # emits finished
Log.debug("Thread quit")
def isRunning(self):
return self._thread.isRunning()
def _loop(self):
if self._canRun():
self.loop()
def setHost(self, host):
self._host = host
def host(self):
return self._host
def setPort(self, port):
self._port = int(port)
def port(self):
return self._port
def setPoll(self, poll):
self._poll = int(poll)
def setKeepAlive(self, keepAlive):
self._keepAlive = max(
int(keepAlive) + int(self._poll), self.kMinKeepAlive)
def getClientId(self):
return self._clientId
def on_connect(self, client, obj, flags, rc): # paho
# def on_connect(self, client, obj, rc): # mosquitto
Log.debug("Connected " + str(rc))
if rc != mqtt.MQTT_ERR_SUCCESS: # paho
# if rc != mqtt.MOSQ_ERR_SUCCESS: # mosquitto
return
self._connected = True
self._attempts = 0
self._subscribed = []
self.onConnect(client, obj, rc)
def restart(self):
Log.debug("Restarting")
if self.isRunning():
self._restarting = True
self._thread.finished.connect(self.run)
if not self._killing:
self.kill()
else:
self.run()
def on_disconnect(self, client, obj, rc):
Log.debug("disconnecting rc: " + str(rc) + " " + str(self._connected))
if self._killing:
Log.debug("killing")
self._kill()
self.onDisConnect(client, obj, rc)
self._connected = False
def onConnect(self, client, obj, rc):
self.mqttOnConnect.emit(self, obj, rc)
# QObject.emit(self, SIGNAL('mqttOnConnect'), self, obj, rc)
pass
def onDisConnect(self, client, obj, rc):
self.mqttOnDisConnect.emit(self, obj, rc)
# QObject.emit(self, SIGNAL('mqttOnDisConnect'), self, obj, rc)
pass
def onMessage(self, client, obj, msg):
self.mqttOnMessage.emit(self, obj, msg)
# QObject.emit(self, SIGNAL('mqttOnMessage'), self, obj, msg)
# Log.debug('super ' + msg.topic+" "+str(msg.qos)+" "+str(msg.payload))
def onPublish(self, client, obj, mid):
self.mqttOnPublish.emit(self, obj, mid)
# QObject.emit(self._creator, SIGNAL('mqttOnPublish'), self, obj, mid)
Log.debug("onPublish - Message ID: " + str(mid))
def onSubscribe(self, client, obj, mid, granted_qos):
self.mqttOnSubscribe.emit(self, obj, mid, granted_qos)
Log.info("Subscribed: " + str(mid) + " " + str(granted_qos))
def onLog(self, client, obj, level, msg):
self.mqttOnLog.emit(msg, level)
#Log.debug(string,level)
def isConnected(self):
return self.mqttc.socket() is not None and self._connected
def publish(self, topic, payload, qos=0, retain=True):
self.mqttc.publish(str(topic), payload, int(qos), retain)
def subscribe(self, topic, qos=0):
if self.isConnected() and not str(topic) in self._subscribed:
try:
self.mqttc.subscribe(str(topic), int(qos))
self._subscribed.append(str(topic))
Log.debug('Subscribed to ' + topic + " " + str(qos))
except Exception as e:
Log.debug("Error on subscribe " + str(e))
raise e
def unsubscribe(self, topic):
if self.isConnected():
self.mqttc.unsubscribe(topic)
Log.debug('Un_subscribed to ' + topic)
def loop(self, timeout=0.1):
if not self.isConnected():
if not self._killing:
self._connect()
return
try:
connResult = self.mqttc.loop(timeout)
if connResult == mqtt.MQTT_ERR_SUCCESS: # paho
# if connResult == mqtt.MOSQ_ERR_SUCCESS: # mosquitto
return
self._connected = False
self._attempts += 1
Log.warn("MQTT: An error occurred while looping")
self.mqttConnectionError.emit(self, mqtt.error_string(connResult))
except ValueError as e:
if e == 'Invalid timeout.':
self.mqttOnTimeout.emit(self, "Connection Timeout")
else:
Log.debug("Paho Client ValueError" + str(e))
except Exception as e:
self.mqttConnectionError.emit(self, str(e))
Log.debug("MQTT Connect: Unknown exception raised " + str(e))
exc_type, exc_value, exc_traceback = sys.exc_info()
Log.debug(
repr(
traceback.format_exception(exc_type, exc_value,
exc_traceback)))
def _kill(self):
self._loopTimer.stop(
) # Stopped in self.stop but lets preempt this to avoid self.loop being called by running thread
self._killTimer.stop()
self._killing = False
self._reset() # reset timer
self.stop()
def kill(self):
try:
if self.isConnected():
self._disconnect()
self._killing = True
self._killTimer.start(self._keepAlive)
except Exception as e:
Log.warn("Error cleaning up " + str(e))
pass
def _connect(self):
try:
if not self._connected:
if not self._attempts < self.kMaxAttempts:
if not self._resetTimer.isActive():
Log.progress(
Settings.getMeta("name") +
": Max connection attempts reached - waiting " +
str(self.kResetTimer) + " seconds before retrying")
self._resetTimer.start(self.kResetTimer *
1000) # 1 minute parameterise
return
if self._attempts > 0 and (time.time() - pow(
2, self._attempts + 1)) < self._attemped:
return
Log.debug("Trying to connect")
self._attemped = time.time()
result = self.mqttc.connect(str(self._host), int(self._port),
int(self._keepAlive), 1)
self._connected = result == mqtt.MQTT_ERR_SUCCESS # paho
# self._connected = result == mqtt.MOSQ_ERR_SUCCESS # mosquitto
if not self._connected:
self._attempts += 1
Log.progress(mqtt.connack_string(connResult))
self.mqttConnectionError.emit(
self, mqtt.connack_string(connResult))
except Exception as e:
msg = 'MQTT: ' + str(e)
self.mqttConnectionError.emit(self, msg)
#Log.progress(msg)
Log.debug(msg)
#exc_type, exc_value, exc_traceback = sys.exc_info()
#Log.debug(repr(traceback.format_exception(exc_type, exc_value,
# exc_traceback)))
self._attempts += 1
self._connected = False
def _disconnect(self):
try:
self.mqttc.disconnect()
except Exception as e:
Log.warn('MQTT Disconnection Error' + str(e))
def _reset(self):
Log.warn("Timer reset ")
self._attempts = 0
self._resetTimer.stop() # not required
class CrawlerTab(QObject):
def __init__(self, framework, mainWindow):
QObject.__init__(self, mainWindow)
self.framework = framework
self.mainWindow = mainWindow
self.mainWindow.crawlerSpiderSequenceCheckBox.stateChanged.connect(
self.handle_crawlerSpiderSequenceCheckBox_stateChanged
)
self.mainWindow.crawlerSpiderStartButton.clicked.connect(self.handle_spiderStart_clicked)
self.mainWindow.crawlerSpiderStopButton.clicked.connect(self.handle_spiderStop_clicked)
self.mainWindow.crawlerSpiderClearQueueButton.clicked.connect(self.handle_spiderClearQueue_clicked)
self.mainWindow.crawlerSpiderPendingResponsesClearButton.clicked.connect(
self.handle_spiderClearPendingResponses_clicked
)
self.mainWindow.crawlerSpiderPendingResponsesResetButton.clicked.connect(
self.handle_spiderResetPendingResponses_clicked
)
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
self.setup_spider_window()
self.Data = None
self.cursor = None
self.framework.subscribe_database_events(self.db_attach, self.db_detach)
self.framework.subscribe_sequences_changed(self.fill_sequences)
def db_attach(self):
self.Data = self.framework.getDB()
self.cursor = self.Data.allocate_thread_cursor()
self.fill_sequences()
def db_detach(self):
self.close_cursor()
self.Data = None
def close_cursor(self):
if self.cursor and self.Data:
self.cursor.close()
self.Data.release_thread_cursor(self.cursor)
self.cursor = None
def fill_sequences(self):
self.fill_sequences_combo_box(self.mainWindow.crawlerSpiderSequenceComboBox)
def fill_sequences_combo_box(self, comboBox):
selectedText = comboBox.currentText()
comboBox.clear()
for row in self.Data.get_all_sequences(self.cursor):
sequenceItem = [m or "" for m in row]
name = str(sequenceItem[1])
Id = str(sequenceItem[0])
item = comboBox.addItem(name, Id)
if selectedText:
index = comboBox.findText(selectedText)
if index != -1:
comboBox.setCurrentIndex(index)
def handle_crawlerSpiderSequenceCheckBox_stateChanged(self, state):
self.mainWindow.crawlerSpiderSequenceComboBox.setEnabled(
self.mainWindow.crawlerSpiderSequenceCheckBox.isChecked()
)
def handle_spiderStart_clicked(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(False)
self.mainWindow.crawlerSpiderStopButton.setEnabled(True)
sequenceId = None
if self.mainWindow.crawlerSpiderSequenceCheckBox.isChecked():
sequenceId = int(
self.mainWindow.crawlerSpiderSequenceComboBox.itemData(
self.mainWindow.crawlerSpiderSequenceComboBox.currentIndex()
)
)
self.spiderThread.startSpidering(self, sequenceId, self.cookieJar)
def handle_spiderStop_clicked(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
self.spiderThread.stopSpidering()
def handle_spiderClearQueue_clicked(self):
self.spiderThread.clearSpiderQueue()
def handle_spiderClearPendingResponses_clicked(self):
self.spiderThread.clearSpiderPendingResponses()
def handle_spiderResetPendingResponses_clicked(self):
self.spiderThread.resetSpiderPendingResponses()
def set_spider_thread(self, spiderThread):
self.spiderThread = spiderThread
QObject.connect(self, SIGNAL("spiderRunFinished()"), self.handle_spiderRunFinished)
QObject.connect(self, SIGNAL("spiderItemAvailable(int, QString, QUrl, int)"), self.handle_spiderItemAvailable)
self.spider_qtimer = QTimer()
self.spider_qtimer2 = QTimer()
QObject.connect(self.spider_qtimer, SIGNAL("timeout()"), self.handle_spider_load_timeout)
QObject.connect(self.spider_qtimer2, SIGNAL("timeout()"), self.handle_spider_render_timeout)
def setup_spider_window(self):
self.cookieJar = InMemoryCookieJar(self.framework, self)
self.spiderPageController = SpiderPageController(self.framework, self.cookieJar, self.mainWindow, self)
self.spiderConfig = self.framework.getSpiderConfig()
self.crawlerSpiderWebView = self.spiderPageController.add_web_view()
self.crawlerSpiderPlaceholderLayout = self.mainWindow.crawlerSpiderWindowPlaceholder.layout()
if not self.crawlerSpiderPlaceholderLayout:
self.crawlerSpiderPlaceholderLayout = QVBoxLayout(self.mainWindow.crawlerSpiderWindowPlaceholder)
self.crawlerSpiderPlaceholderLayout.addWidget(self.crawlerSpiderWebView)
self.currentSpiderId = None
self.currentHtmlContent = None
self.currentQUrl = None
QObject.connect(self.crawlerSpiderWebView, SIGNAL("loadStarted()"), self.handle_spiderWebView_loadStarted)
QObject.connect(self.crawlerSpiderWebView, SIGNAL("loadFinished(bool)"), self.handle_spiderWebView_loadFinished)
def handle_spiderRunFinished(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
def handle_spiderItemAvailable(self, spiderId, htmlContent, qurl, depth):
self.currentSpiderId = spiderId
self.currentHtmlContent = htmlContent
self.currentQUrl = qurl
self.currentDepth = depth
self.currentSpiderUrl = qurl.toEncoded().data().decode("utf-8")
self.spiderPageController.reset_state(qurl)
self.load_html_content()
def load_html_content(self):
self.spider_qtimer.start(3000) # 3 seconds to finish
self.crawlerSpiderWebView.setHtml(self.currentHtmlContent, self.currentQUrl)
def handle_spiderWebView_loadStarted(self):
print(("spider web loading started: %s" % (self.spiderPageController.get_phase())))
def handle_spiderWebView_loadFinished(self, ok):
print(("spider web loading finished [%s]: %s" % (ok, self.spiderPageController.get_phase())))
if self.spider_qtimer.isActive():
self.spider_qtimer.stop()
if self.spider_qtimer2.isActive():
self.spider_qtimer2.stop()
if ok:
self.spider_qtimer2.start(1000) # 1 seconds to finish
else:
self.spiderItemCompleted(ok)
def handle_spider_load_timeout(self):
if self.spider_qtimer.isActive():
self.spider_qtimer.stop()
print("forcbily stopping page")
self.crawlerSpiderWebView.stop()
self.spiderItemCompleted(False)
def handle_spider_render_timeout(self):
if self.spider_qtimer2.isActive():
self.spider_qtimer2.stop()
# TODO: should check progress
self.crawlerSpiderWebView.stop()
self.spiderItemCompleted(True)
def spiderItemCompleted(self, ok):
webPage = self.crawlerSpiderWebView.page()
mainFrame = webPage.mainFrame()
if not self.spiderPageController.is_extraction_finished():
self.process_page_events(webPage, mainFrame)
self.process_frame_content(mainFrame)
if self.spiderConfig.evaluate_javascript:
if not self.spiderPageController.is_finished():
self.spiderPageController.advance_phase()
# TODO: should this be signal emitted via one-shot timer ?
self.load_html_content()
else:
self.finish_spider_item()
else:
self.finish_spider_item()
def finish_spider_item(self):
for link, base_url in self.spiderPageController.get_url_links():
self.spiderThread.process_page_url_link(link, base_url, self.currentDepth)
for response_id in self.spiderPageController.get_response_ids():
self.spiderThread.process_page_response_id(response_id, self.currentDepth)
self.crawlerSpiderWebView.cleanup()
self.spiderThread.spiderItemFinished(self.currentSpiderId)
def process_page_events(self, webPage, frame):
try:
webPage.process_page_events(frame)
for child in frame.childFrames():
self.process_page_events(webPage, child)
except Exception as error:
self.framework.report_exception(error)
def process_frame_content(self, frame):
self.extract_frame_content(frame)
for child in frame.childFrames():
self.process_frame_content(child)
def extract_frame_content(self, frame):
parentFrame = frame.parentFrame()
if parentFrame:
referer = parentFrame.url().toEncoded().data().decode("utf-8")
else:
referer = self.currentSpiderUrl
dom = frame.documentElement()
html = dom.toOuterXml()
url = frame.url().toEncoded().data().decode("utf-8")
self.spiderThread.process_page_html_content(html, url, self.currentDepth)
class TipWidget(QWidget):
TIMER_INTERVAL = 10
TIMER_COUNTER_STEP = 30
MAX_OPACITY_TIME = 100
TEXT_TYPE_INFO = 1
TEXT_TYPE_WARNING = 2
TEXT_TYPE_ERROR = 3
INFO_ICON_PATH = ":/tip/icons/tip/info.png"
WARNING_ICON_PATH = ":/tip/icons/tip/warning.png"
ERROR_ICON_PATH = ":/tip/icons/tip/error.png"
SHORT_TIME = 2000
LONG_TIME = 4000
MAX_QUEUE_SIZE = 20
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setWindowFlags(Qt.FramelessWindowHint | Qt.Dialog)
self.ui = Ui_TipWidget()
self.ui.setupUi(self)
self.timer = QTimer()
self.timer.timeout.connect(self.__onTimeout)
self.queue = Queue(self.MAX_QUEUE_SIZE)
self.timerCounter = 0
self.maxOpacityCounter = 0
self.setWindowOpacity(0)
def __makeText(self, text, type=TEXT_TYPE_INFO, t=SHORT_TIME):
if self.timer.isActive():
if not self.queue.full():
self.queue.put_nowait((text, type, t))
return
iconPath = self.INFO_ICON_PATH
if type == self.TEXT_TYPE_WARNING:
iconPath = self.WARNING_ICON_PATH
elif type == self.TEXT_TYPE_ERROR:
iconPath = self.ERROR_ICON_PATH
self.ui.image_label.setPixmap(QPixmap(iconPath))
self.ui.text_label.setText(text)
self.timer.start(self.TIMER_INTERVAL)
self.show()
def makeInfoText(self, text="", t=SHORT_TIME):
self.__makeText(text, self.TEXT_TYPE_INFO, t)
def makeWarningText(self, text="", t=SHORT_TIME):
self.__makeText(text, self.TEXT_TYPE_WARNING, t)
def makeErrorText(self, text="", t=LONG_TIME):
self.__makeText(text, self.TEXT_TYPE_ERROR, t)
def __onTimeout(self):
self.timerCounter += self.TIMER_COUNTER_STEP
if self.timerCounter >= self.SHORT_TIME:
self.__onFinished()
return
if self.timerCounter < self.SHORT_TIME / 2:
self.setWindowOpacity(1.0 / (self.SHORT_TIME / 2) *
self.timerCounter)
else:
self.maxOpacityCounter += 1
if self.maxOpacityCounter < self.MAX_OPACITY_TIME:
self.timerCounter -= self.TIMER_COUNTER_STEP
return
self.setWindowOpacity(1.0 / (self.SHORT_TIME / 2) *
(self.SHORT_TIME - self.timerCounter))
def __onFinished(self):
self.close()
self.timer.stop()
self.maxOpacityCounter = 0
self.timerCounter = 0
if not self.queue.empty():
args = self.queue.get()
self.__makeText(args[0], args[1], args[2])
class CrawlerTab(QObject):
def __init__(self, framework, mainWindow):
QObject.__init__(self, mainWindow)
self.framework = framework
self.mainWindow = mainWindow
self.mainWindow.crawlerSpiderSequenceCheckBox.stateChanged.connect(
self.handle_crawlerSpiderSequenceCheckBox_stateChanged)
self.mainWindow.crawlerSpiderStartButton.clicked.connect(
self.handle_spiderStart_clicked)
self.mainWindow.crawlerSpiderStopButton.clicked.connect(
self.handle_spiderStop_clicked)
self.mainWindow.crawlerSpiderClearQueueButton.clicked.connect(
self.handle_spiderClearQueue_clicked)
self.mainWindow.crawlerSpiderPendingResponsesClearButton.clicked.connect(
self.handle_spiderClearPendingResponses_clicked)
self.mainWindow.crawlerSpiderPendingResponsesResetButton.clicked.connect(
self.handle_spiderResetPendingResponses_clicked)
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
self.setup_spider_window()
self.Data = None
self.cursor = None
self.framework.subscribe_database_events(self.db_attach,
self.db_detach)
self.framework.subscribe_sequences_changed(self.fill_sequences)
def db_attach(self):
self.Data = self.framework.getDB()
self.cursor = self.Data.allocate_thread_cursor()
self.fill_sequences()
def db_detach(self):
self.close_cursor()
self.Data = None
def close_cursor(self):
if self.cursor and self.Data:
self.cursor.close()
self.Data.release_thread_cursor(self.cursor)
self.cursor = None
def fill_sequences(self):
self.fill_sequences_combo_box(
self.mainWindow.crawlerSpiderSequenceComboBox)
def fill_sequences_combo_box(self, comboBox):
selectedText = comboBox.currentText()
comboBox.clear()
for row in self.Data.get_all_sequences(self.cursor):
sequenceItem = [m or '' for m in row]
name = str(sequenceItem[1])
Id = str(sequenceItem[0])
item = comboBox.addItem(name, Id)
if selectedText:
index = comboBox.findText(selectedText)
if index != -1:
comboBox.setCurrentIndex(index)
def handle_crawlerSpiderSequenceCheckBox_stateChanged(self, state):
self.mainWindow.crawlerSpiderSequenceComboBox.setEnabled(
self.mainWindow.crawlerSpiderSequenceCheckBox.isChecked())
def handle_spiderStart_clicked(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(False)
self.mainWindow.crawlerSpiderStopButton.setEnabled(True)
sequenceId = None
if self.mainWindow.crawlerSpiderSequenceCheckBox.isChecked():
sequenceId = int(
self.mainWindow.crawlerSpiderSequenceComboBox.itemData(
self.mainWindow.crawlerSpiderSequenceComboBox.currentIndex(
)))
self.spiderThread.startSpidering(self, sequenceId, self.cookieJar)
def handle_spiderStop_clicked(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
self.spiderThread.stopSpidering()
def handle_spiderClearQueue_clicked(self):
self.spiderThread.clearSpiderQueue()
def handle_spiderClearPendingResponses_clicked(self):
self.spiderThread.clearSpiderPendingResponses()
def handle_spiderResetPendingResponses_clicked(self):
self.spiderThread.resetSpiderPendingResponses()
def set_spider_thread(self, spiderThread):
self.spiderThread = spiderThread
QObject.connect(self, SIGNAL('spiderRunFinished()'),
self.handle_spiderRunFinished)
QObject.connect(self,
SIGNAL('spiderItemAvailable(int, QString, QUrl, int)'),
self.handle_spiderItemAvailable)
self.spider_qtimer = QTimer()
self.spider_qtimer2 = QTimer()
QObject.connect(self.spider_qtimer, SIGNAL('timeout()'),
self.handle_spider_load_timeout)
QObject.connect(self.spider_qtimer2, SIGNAL('timeout()'),
self.handle_spider_render_timeout)
def setup_spider_window(self):
self.cookieJar = InMemoryCookieJar(self.framework, self)
self.spiderPageController = SpiderPageController(
self.framework, self.cookieJar, self.mainWindow, self)
self.spiderConfig = self.framework.getSpiderConfig()
self.crawlerSpiderWebView = self.spiderPageController.add_web_view()
self.crawlerSpiderPlaceholderLayout = self.mainWindow.crawlerSpiderWindowPlaceholder.layout(
)
if not self.crawlerSpiderPlaceholderLayout:
self.crawlerSpiderPlaceholderLayout = QVBoxLayout(
self.mainWindow.crawlerSpiderWindowPlaceholder)
self.crawlerSpiderPlaceholderLayout.addWidget(
self.crawlerSpiderWebView)
self.currentSpiderId = None
self.currentHtmlContent = None
self.currentQUrl = None
QObject.connect(self.crawlerSpiderWebView, SIGNAL('loadStarted()'),
self.handle_spiderWebView_loadStarted)
QObject.connect(self.crawlerSpiderWebView,
SIGNAL('loadFinished(bool)'),
self.handle_spiderWebView_loadFinished)
def handle_spiderRunFinished(self):
self.mainWindow.crawlerSpiderStartButton.setEnabled(True)
self.mainWindow.crawlerSpiderStopButton.setEnabled(False)
def handle_spiderItemAvailable(self, spiderId, htmlContent, qurl, depth):
self.currentSpiderId = spiderId
self.currentHtmlContent = htmlContent
self.currentQUrl = qurl
self.currentDepth = depth
self.currentSpiderUrl = qurl.toEncoded().data().decode('utf-8')
self.spiderPageController.reset_state(qurl)
self.load_html_content()
def load_html_content(self):
self.spider_qtimer.start(3000) # 3 seconds to finish
self.crawlerSpiderWebView.setHtml(self.currentHtmlContent,
self.currentQUrl)
def handle_spiderWebView_loadStarted(self):
print(('spider web loading started: %s' %
(self.spiderPageController.get_phase())))
def handle_spiderWebView_loadFinished(self, ok):
print(('spider web loading finished [%s]: %s' %
(ok, self.spiderPageController.get_phase())))
if self.spider_qtimer.isActive():
self.spider_qtimer.stop()
if self.spider_qtimer2.isActive():
self.spider_qtimer2.stop()
if ok:
self.spider_qtimer2.start(1000) # 1 seconds to finish
else:
self.spiderItemCompleted(ok)
def handle_spider_load_timeout(self):
if self.spider_qtimer.isActive():
self.spider_qtimer.stop()
print('forcbily stopping page')
self.crawlerSpiderWebView.stop()
self.spiderItemCompleted(False)
def handle_spider_render_timeout(self):
if self.spider_qtimer2.isActive():
self.spider_qtimer2.stop()
# TODO: should check progress
self.crawlerSpiderWebView.stop()
self.spiderItemCompleted(True)
def spiderItemCompleted(self, ok):
webPage = self.crawlerSpiderWebView.page()
mainFrame = webPage.mainFrame()
if not self.spiderPageController.is_extraction_finished():
self.process_page_events(webPage, mainFrame)
self.process_frame_content(mainFrame)
if self.spiderConfig.evaluate_javascript:
if not self.spiderPageController.is_finished():
self.spiderPageController.advance_phase()
# TODO: should this be signal emitted via one-shot timer ?
self.load_html_content()
else:
self.finish_spider_item()
else:
self.finish_spider_item()
def finish_spider_item(self):
for link, base_url in self.spiderPageController.get_url_links():
self.spiderThread.process_page_url_link(link, base_url,
self.currentDepth)
for response_id in self.spiderPageController.get_response_ids():
self.spiderThread.process_page_response_id(response_id,
self.currentDepth)
self.crawlerSpiderWebView.cleanup()
self.spiderThread.spiderItemFinished(self.currentSpiderId)
def process_page_events(self, webPage, frame):
try:
webPage.process_page_events(frame)
for child in frame.childFrames():
self.process_page_events(webPage, child)
except Exception as error:
self.framework.report_exception(error)
def process_frame_content(self, frame):
self.extract_frame_content(frame)
for child in frame.childFrames():
self.process_frame_content(child)
def extract_frame_content(self, frame):
parentFrame = frame.parentFrame()
if parentFrame:
referer = parentFrame.url().toEncoded().data().decode('utf-8')
else:
referer = self.currentSpiderUrl
dom = frame.documentElement()
html = dom.toOuterXml()
url = frame.url().toEncoded().data().decode('utf-8')
self.spiderThread.process_page_html_content(html, url,
self.currentDepth)
class SignalManager(QObject):
"""
Handle all runtime signal propagation for a :clas:`Scheme` instance.
The scheme must be passed to the constructor and will become the parent
of this object. Furthermore this should happen before any items
(nodes, links) are added to the scheme.
"""
Running, Stoped, Paused, Error = range(4)
"""SignalManger state flags."""
Waiting, Processing = range(2)
"""SignalManager runtime state flags."""
stateChanged = Signal(int)
"""Emitted when the state of the signal manager changes."""
updatesPending = Signal()
"""Emitted when signals are added to the queue."""
processingStarted = Signal([], [SchemeNode])
"""Emitted right before a `SchemeNode` instance has its inputs
updated.
"""
processingFinished = Signal([], [SchemeNode])
"""Emitted right after a `SchemeNode` instance has had its inputs
updated.
"""
runtimeStateChanged = Signal(int)
"""Emitted when `SignalManager`'s runtime state changes."""
def __init__(self, scheme):
assert (scheme)
QObject.__init__(self, scheme)
self._input_queue = []
# mapping a node to it's current outputs
# {node: {channel: {id: signal_value}}}
self._node_outputs = {}
self.__state = SignalManager.Running
self.__runtime_state = SignalManager.Waiting
# A flag indicating if UpdateRequest event should be rescheduled
self.__reschedule = False
self.__update_timer = QTimer(self, interval=100, singleShot=True)
self.__update_timer.timeout.connect(self.__process_next)
def _can_process(self):
"""
Return a bool indicating if the manger can enter the main
processing loop.
"""
return self.__state not in [SignalManager.Error, SignalManager.Stoped]
def scheme(self):
"""
Return the parent class:`Scheme` instance.
"""
return self.parent()
def start(self):
"""
Start the update loop.
.. note:: The updates will not happen until the control reaches
the Qt event loop.
"""
if self.__state != SignalManager.Running:
self.__state = SignalManager.Running
self.stateChanged.emit(SignalManager.Running)
self._update()
def stop(self):
"""
Stop the update loop.
.. note:: If the `SignalManager` is currently in `process_queues` it
will still update all current pending signals, but will not
re-enter until `start()` is called again
"""
if self.__state != SignalManager.Stoped:
self.__state = SignalManager.Stoped
self.stateChanged.emit(SignalManager.Stoped)
self.__update_timer.stop()
def pause(self):
"""
Pause the updates.
"""
if self.__state != SignalManager.Paused:
self.__state = SignalManager.Paused
self.stateChanged.emit(SignalManager.Paused)
self.__update_timer.stop()
def resume(self):
if self.__state == SignalManager.Paused:
self.__state = SignalManager.Running
self.stateChanged.emit(self.__state)
self._update()
def step(self):
if self.__state == SignalManager.Paused:
self.process_queued()
def state(self):
"""
Return the current state.
"""
return self.__state
def _set_runtime_state(self, state):
"""
Set the runtime state.
Should only be called by `SignalManager` implementations.
"""
if self.__runtime_state != state:
self.__runtime_state = state
self.runtimeStateChanged.emit(self.__runtime_state)
def runtime_state(self):
"""
Return the runtime state. This can be `SignalManager.Waiting`
or `SignalManager.Processing`.
"""
return self.__runtime_state
def on_node_removed(self, node):
# remove all pending input signals for node so we don't get
# stale references in process_node.
# NOTE: This does not remove output signals for this node. In
# particular the final 'None' will be delivered to the sink
# nodes even after the source node is no longer in the scheme.
log.info("Node %r removed. Removing pending signals.", node.title)
self.remove_pending_signals(node)
del self._node_outputs[node]
def on_node_added(self, node):
self._node_outputs[node] = defaultdict(dict)
def link_added(self, link):
# push all current source values to the sink
link.set_runtime_state(SchemeLink.Empty)
if link.enabled:
log.info("Link added (%s). Scheduling signal data update.", link)
self._schedule(self.signals_on_link(link))
self._update()
link.enabled_changed.connect(self.link_enabled_changed)
def link_removed(self, link):
# purge all values in sink's queue
log.info("Link removed (%s). Scheduling signal data purge.", link)
self.purge_link(link)
link.enabled_changed.disconnect(self.link_enabled_changed)
def link_enabled_changed(self, enabled):
if enabled:
link = self.sender()
log.info("Link %s enabled. Scheduling signal data update.", link)
self._schedule(self.signals_on_link(link))
def signals_on_link(self, link):
"""
Return _Signal instances representing the current values
present on the link.
"""
items = self.link_contents(link)
signals = []
for key, value in list(items.items()):
signals.append(_Signal(link, value, key))
return signals
def link_contents(self, link):
"""
Return the contents on link.
"""
node, channel = link.source_node, link.source_channel
if node in self._node_outputs:
return self._node_outputs[node][channel]
else:
# if the the node was already removed it's tracked outputs in
# _node_outputs are cleared, however the final 'None' signal
# deliveries for the link are left in the _input_queue.
pending = [sig for sig in self._input_queue if sig.link is link]
return {sig.id: sig.value for sig in pending}
def send(self, node, channel, value, id):
"""
"""
log.debug("%r sending %r (id: %r) on channel %r", node.title,
type(value), id, channel.name)
scheme = self.scheme()
self._node_outputs[node][channel][id] = value
links = scheme.find_links(source_node=node, source_channel=channel)
links = list(filter(is_enabled, links))
signals = []
for link in links:
signals.append(_Signal(link, value, id))
self._schedule(signals)
def purge_link(self, link):
"""
Purge the link (send None for all ids currently present)
"""
contents = self.link_contents(link)
ids = list(contents.keys())
signals = [_Signal(link, None, id) for id in ids]
self._schedule(signals)
def _schedule(self, signals):
"""
Schedule a list of :class:`_Signal` for delivery.
"""
self._input_queue.extend(signals)
for link in {sig.link for sig in signals}:
# update the SchemeLink's runtime state flags
contents = self.link_contents(link)
if any(value is not None for value in contents.values()):
state = SchemeLink.Active
else:
state = SchemeLink.Empty
link.set_runtime_state(state | SchemeLink.Pending)
if signals:
self.updatesPending.emit()
self._update()
def _update_link(self, link):
"""
Schedule update of a single link.
"""
signals = self.signals_on_link(link)
self._schedule(signals)
def process_queued(self, max_nodes=None):
"""
Process queued signals.
Take one node node from the pending input queue and deliver
all scheduled signals.
"""
if max_nodes is not None or max_nodes != 1:
warnings.warn(
"`max_nodes` is deprecated and unused (will always equal 1)",
DeprecationWarning,
stacklevel=2)
if self.__runtime_state == SignalManager.Processing:
raise RuntimeError("Cannot re-enter 'process_queued'")
if not self._can_process():
raise RuntimeError("Can't process in state %i" % self.__state)
log.info("SignalManager: Processing queued signals")
node_update_front = self.node_update_front()
log.debug("SignalManager: Nodes eligible for update %s",
[node.title for node in node_update_front])
if node_update_front:
node = node_update_front[0]
self._set_runtime_state(SignalManager.Processing)
try:
self.process_node(node)
finally:
self._set_runtime_state(SignalManager.Waiting)
def process_node(self, node):
"""
Process pending input signals for `node`.
"""
signals_in = self.pending_input_signals(node)
self.remove_pending_signals(node)
signals_in = self.compress_signals(signals_in)
log.debug("Processing %r, sending %i signals.", node.title,
len(signals_in))
# Clear the link's pending flag.
for link in {sig.link for sig in signals_in}:
link.set_runtime_state(link.runtime_state() & ~SchemeLink.Pending)
assert ({sig.link
for sig in self._input_queue
}.intersection({sig.link
for sig in signals_in}) == set([]))
self.processingStarted.emit()
self.processingStarted[SchemeNode].emit(node)
try:
self.send_to_node(node, signals_in)
finally:
self.processingFinished.emit()
self.processingFinished[SchemeNode].emit(node)
def compress_signals(self, signals):
"""
Compress a list of :class:`_Signal` instances to be delivered.
The base implementation returns the list unmodified.
"""
return signals
def send_to_node(self, node, signals):
"""
Abstract. Reimplement in subclass.
Send/notify the :class:`SchemeNode` instance (or whatever
object/instance it is a representation of) that it has new inputs
as represented by the signals list (list of :class:`_Signal`).
"""
raise NotImplementedError
def is_pending(self, node):
"""
Is `node` (class:`SchemeNode`) scheduled for processing (i.e.
it has incoming pending signals).
"""
return node in [signal.link.sink_node for signal in self._input_queue]
def pending_nodes(self):
"""
Return a list of pending nodes.
The nodes are returned in the order they were enqueued for
signal delivery.
Returns
-------
nodes : List[SchemeNode]
"""
return list(unique(sig.link.sink_node for sig in self._input_queue))
def pending_input_signals(self, node):
"""
Return a list of pending input signals for node.
"""
return [
signal for signal in self._input_queue
if node is signal.link.sink_node
]
def remove_pending_signals(self, node):
"""
Remove pending signals for `node`.
"""
for signal in self.pending_input_signals(node):
try:
self._input_queue.remove(signal)
except ValueError:
pass
def blocking_nodes(self):
"""
Return a list of nodes in a blocking state.
"""
scheme = self.scheme()
return [node for node in scheme.nodes if self.is_blocking(node)]
def is_blocking(self, node):
return False
def node_update_front(self):
"""
Return a list of nodes on the update front, i.e. nodes scheduled for
an update that have no ancestor which is either itself scheduled
for update or is in a blocking state)
.. note::
The node's ancestors are only computed over enabled links.
"""
scheme = self.scheme()
blocking_nodes = set(self.blocking_nodes())
dependents = partial(dependent_nodes, scheme)
blocked_nodes = reduce(set.union, map(dependents, blocking_nodes),
set(blocking_nodes))
pending = self.pending_nodes()
pending_downstream = reduce(set.union, map(dependents, pending), set())
log.debug("Pending nodes: %s", pending)
log.debug("Blocking nodes: %s", blocking_nodes)
noneligible = pending_downstream | blocked_nodes
return [node for node in pending if node not in noneligible]
@Slot()
def __process_next(self):
if not self.__state == SignalManager.Running:
log.debug("Received 'UpdateRequest' while not in 'Running' state")
return
if self.__runtime_state == SignalManager.Processing:
# This happens if someone calls QCoreApplication.processEvents
# from the signal handlers.
# A `__process_next` must be rescheduled when exiting
# process_queued.
log.warning("Received 'UpdateRequest' while in 'process_queued'. "
"An update will be re-scheduled when exiting the "
"current update.")
self.__reschedule = True
return
log.info("'UpdateRequest' event, queued signals: %i",
len(self._input_queue))
if self._input_queue:
self.process_queued()
if self.__reschedule and self.__state == SignalManager.Running:
self.__reschedule = False
log.debug("Rescheduling signal update")
self.__update_timer.start()
if self.node_update_front():
log.debug("More nodes are eligible for an update. "
"Scheduling another update.")
self._update()
def _update(self):
"""
Schedule processing at a later time.
"""
if self.__state == SignalManager.Running and \
not self.__update_timer.isActive():
self.__update_timer.start()
class View(KineticScrollArea):
viewModeChanged = pyqtSignal(int)
def __init__(self, parent=None):
super(View, self).__init__(parent)
self.setAlignment(Qt.AlignCenter)
self.setBackgroundRole(QPalette.Dark)
self.setMouseTracking(True)
self._viewMode = FixedScale
self._wheelZoomEnabled = True
self._wheelZoomModifier = Qt.CTRL
# delayed resize
self._centerPos = False
self._resizeTimer = QTimer(singleShot=True,
timeout=self._resizeTimeout)
def surface(self):
"""Returns our Surface, the widget drawing the page(s)."""
sf = self.widget()
if not sf:
sf = surface.Surface(self)
self.setSurface(sf)
return sf
def setSurface(self, sf):
"""Sets the given surface as our widget."""
self.setWidget(sf)
# For some reason mouse tracking *must* be enabled on the child as well...
sf.setMouseTracking(True)
self.kineticScrollingActive.connect(sf.updateKineticCursor)
def viewMode(self):
"""Returns the current ViewMode."""
return self._viewMode
def setViewMode(self, mode):
"""Sets the current ViewMode."""
if mode == self._viewMode:
return
self._viewMode = mode
if mode:
self.fit()
self.viewModeChanged.emit(mode)
def wheelZoomEnabled(self):
"""Returns whether wheel zoom is enabled."""
return self._wheelZoomEnabled
def setWheelZoomEnabled(self, enabled):
"""Sets whether wheel zoom is enabled.
Wheel zoom is zooming using the mouse wheel and a keyboard modifier key
(defaulting to Qt.CTRL). Use setWheelZoomModifier() to set a key (or
key combination).
"""
self._wheelZoomEnabled = enabled
def wheelZoomModifier(self):
"""Returns the modifier key to wheel-zoom with (defaults to Qt.CTRL)."""
return self._wheelZoomModifier
def setWheelZoomModifier(self, key):
"""Sets the modifier key to wheel-zoom with (defaults to Qt.CTRL).
Can also be set to a ORed value, e.g. Qt.SHIFT|Qt.ALT.
Only use Qt.ALT, Qt.CTRL, Qt.SHIFT and/or Qt.META.
"""
self._wheelZoomModifier = key
def load(self, document):
"""Convenience method to load all the pages from the given Poppler.Document."""
self.surface().pageLayout().load(document)
# dont do a fit() before the very first resize as the size is then bogus
if self.viewMode():
self.fit()
self.surface().pageLayout().update()
def clear(self):
"""Convenience method to clear the current layout."""
self.surface().pageLayout().clear()
self.surface().pageLayout().update()
def scale(self):
"""Returns the scale of the pages in the View."""
return self.surface().pageLayout().scale()
def setScale(self, scale):
"""Sets the scale of all pages in the View."""
self.surface().pageLayout().setScale(scale)
self.surface().pageLayout().update()
self.setViewMode(FixedScale)
def visiblePages(self):
"""Yields the visible pages."""
rect = self.viewport().rect()
rect.translate(-self.surface().pos())
rect.intersect(self.surface().rect())
return self.surface().pageLayout().pagesAt(rect)
def redraw(self):
"""Redraws, e.g. when you changed rendering hints or papercolor on the document."""
pages = list(self.visiblePages())
documents = set(page.document() for page in pages)
for document in documents:
cache.clear(document)
for page in pages:
page.repaint()
def fit(self):
"""(Internal). Fits the layout according to the view mode.
Prevents scrollbar/resize loops by precalculating which scrollbars will appear.
"""
mode = self.viewMode()
if mode == FixedScale:
return
maxsize = self.maximumViewportSize()
# can vertical or horizontal scrollbars appear?
vcan = self.verticalScrollBarPolicy() == Qt.ScrollBarAsNeeded
hcan = self.horizontalScrollBarPolicy() == Qt.ScrollBarAsNeeded
# width a scrollbar takes off the viewport size
framewidth = 0
if self.style().styleHint(QStyle.SH_ScrollView_FrameOnlyAroundContents,
None, self):
framewidth = self.style().pixelMetric(
QStyle.PM_DefaultFrameWidth) * 2
scrollbarextent = self.style().pixelMetric(QStyle.PM_ScrollBarExtent,
None, self) + framewidth
# first try to fit full size
layout = self.surface().pageLayout()
layout.fit(maxsize, mode)
layout.reLayout()
# minimal values
minwidth = maxsize.width()
minheight = maxsize.height()
if vcan:
minwidth -= scrollbarextent
if hcan:
minheight -= scrollbarextent
# do width and/or height fit?
fitw = layout.width() <= maxsize.width()
fith = layout.height() <= maxsize.height()
if not fitw and not fith:
if vcan or hcan:
layout.fit(QSize(minwidth, minheight), mode)
elif mode & FitWidth and fitw and not fith and vcan:
# a vertical scrollbar will appear
w = minwidth
layout.fit(QSize(w, maxsize.height()), mode)
layout.reLayout()
if layout.height() <= maxsize.height():
# now the vert. scrollbar would disappear!
# enlarge it as long as the vertical scrollbar would not be needed
while True:
w += 1
layout.fit(QSize(w, maxsize.height()), mode)
layout.reLayout()
if layout.height() > maxsize.height():
layout.fit(QSize(w - 1, maxsize.height()), mode)
break
elif mode & FitHeight and fith and not fitw and hcan:
# a horizontal scrollbar will appear
h = minheight
layout.fit(QSize(maxsize.width(), h), mode)
layout.reLayout()
if layout.width() <= maxsize.width():
# now the hor. scrollbar would disappear!
# enlarge it as long as the horizontal scrollbar would not be needed
while True:
h += 1
layout.fit(QSize(maxsize.width(), h), mode)
layout.reLayout()
if layout.width() > maxsize.width():
layout.fit(QSize(maxsize.width(), h - 1), mode)
break
layout.update()
def resizeEvent(self, ev):
super(View, self).resizeEvent(ev)
# Adjust the size of the document if desired
if self.viewMode() and any(self.surface().pageLayout().pages()):
if self._centerPos is False:
self._centerPos = QPoint(0, 0)
elif self._centerPos is None:
# store the point currently in the center
self._centerPos = self.viewport().rect().center(
) - self.surface().pos()
if not self._resizeTimer.isActive():
self._resizeTimeout()
self._resizeTimer.start(150)
def _resizeTimeout(self):
if self._centerPos is None:
return
oldSize = self.surface().size()
# resize the layout
self.fit()
# restore our position
newSize = self.surface().size()
newx = self._centerPos.x() * newSize.width() / oldSize.width()
newy = self._centerPos.y() * newSize.height() / oldSize.height()
# we explicitely want the non-kinetic centering function regardless of kinetic state.
self.fastCenter(QPoint(newx, newy))
self._centerPos = None
def zoom(self, scale, pos=None):
"""Changes the display scale (1.0 is 100%).
If pos is given, keeps that point at the same place if possible.
Pos is a QPoint relative to ourselves.
"""
scale = max(0.05, min(4.0, scale))
if scale == self.scale():
return
if self.surface().pageLayout().count() == 0:
self.setScale(scale)
return
if pos is None:
pos = self.viewport().rect().center()
surfacePos = pos - self.surface().pos()
page = self.surface().pageLayout().pageAt(surfacePos)
if page:
pagePos = surfacePos - page.pos()
x = pagePos.x() / float(page.width())
y = pagePos.y() / float(page.height())
self.setScale(scale)
newPos = QPoint(round(x * page.width()), round(
y * page.height())) + page.pos()
else:
x = surfacePos.x() / float(self.surface().width())
y = surfacePos.y() / float(self.surface().height())
self.setScale(scale)
newPos = QPoint(round(x * self.surface().width()),
round(y * self.surface().height()))
surfacePos = pos - self.surface().pos()
# use fastScrollBy as we do not want kinetic scrolling here regardless of its state.
self.fastScrollBy(newPos - surfacePos)
def zoomIn(self, pos=None, factor=1.1):
self.zoom(self.scale() * factor, pos)
def zoomOut(self, pos=None, factor=1.1):
self.zoom(self.scale() / factor, pos)
def wheelEvent(self, ev):
if (self._wheelZoomEnabled
and int(ev.modifiers()) & _SCAM == self._wheelZoomModifier):
factor = 1.1**(ev.delta() / 120)
if ev.delta():
self.zoom(self.scale() * factor, ev.pos())
else:
super(View, self).wheelEvent(ev)
def mousePressEvent(self, ev):
"""Mouse press event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if not self.surface().handleMousePressEvent(ev):
super(View, self).mousePressEvent(ev)
def mouseReleaseEvent(self, ev):
"""Mouse release event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if not self.surface().handleMouseReleaseEvent(ev):
super(View, self).mouseReleaseEvent(ev)
def mouseMoveEvent(self, ev):
"""Mouse move event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if self.kineticIsIdle():
if self.surface().handleMouseMoveEvent(ev):
return
super(View, self).mouseMoveEvent(ev)
def moveEvent(self, ev):
"""Move event handler. Passes the event to the surface if we've not started any kinetic move,
and back to the base class if the surface did not do anything with it."""
if self.kineticIsIdle():
if self.surface().handleMoveEvent(ev):
return
super(View, self).moveEvent(ev)
def event(self, ev):
if isinstance(ev, QHelpEvent):
if self.surface().handleHelpEvent(ev):
ev.accept()
return True
return super(View, self).event(ev)
def currentPage(self):
"""Returns the Page currently mostly in the center, or None if there are no pages."""
pos = self.viewport().rect().center() - self.surface().pos()
layout = self.surface().pageLayout()
if len(layout):
d = layout.spacing() * 2
for dx, dy in ((0, 0), (-d, 0), (0, -d), (d, 0), (0, d)):
dist = QPoint(dx, dy)
page = layout.pageAt(pos + dist)
if page:
return page
def currentPageNumber(self):
"""Returns the number (index in the layout) of the currentPage(), or -1 if there are no pages."""
page = self.currentPage()
if page:
return self.surface().pageLayout().index(page)
return -1
def gotoPageNumber(self, num):
"""Aligns the page at the given index in the layout to the topleft of our View."""
layout = self.surface().pageLayout()
if num < len(layout) and num != self.currentPageNumber():
margin = QPoint(layout.margin(), layout.margin())
self.scrollBy(layout[num].pos() + self.surface().pos() - margin)
def position(self):
"""Returns a three-tuple(num, x, y) describing the page currently in the center of the View.
the number is the index of the Page in the Layout, and x and y are the coordinates in the
range 0.0 -> 1.0 of the point that is at the center of the View.
This way a position can be retained even if the scale or the orientation of the Layout changed.
Returns None, None, None if the layout is empty.
"""
page = self.currentPage()
if page:
layout = self.surface().pageLayout()
pos = self.viewport().rect().center() - self.surface().pos()
pagePos = pos - page.pos()
x = pagePos.x() / float(page.width())
y = pagePos.y() / float(page.height())
return layout.index(page), x, y
return None, None, None
def setPosition(self, position, overrideKinetic=False):
"""Sets the position to a three-tuple as previously returned by position().
Setting overrideKinetic to true allows for fast setup, instead of scrolling all the way to the visible point.
"""
layout = self.surface().pageLayout()
pageNum, x, y = position
if pageNum is None or pageNum >= len(layout):
return
page = layout[pageNum]
# center this point
newPos = QPoint(round(x * page.width()), round(
y * page.height())) + page.pos()
if overrideKinetic:
self.fastCenter(newPos)
else:
self.center(newPos)
def request(self, url, user_agent='Mozilla', cookies=None, timeout=15,
method='get', data=None, headers=None):
if cookies is None:
cookies = {}
if headers is None:
headers = {}
url_info = urlsplit(url)
self.resource_list = []
loop = QEventLoop()
self.view.loadFinished.connect(loop.quit)
# Timeout
timer = QTimer()
timer.setSingleShot(True)
timer.timeout.connect(loop.quit)
timer.start(timeout * 1000)
# User-Agent
self.page.user_agent = user_agent
# Cookies
cookie_obj_list = []
for name, value in cookies.items():
domain = ('.' + url_info.netloc).split(':')[0]
#print 'CREATE COOKIE %s=%s' % (name, value)
#print 'DOMAIN = %s' % domain
cookie_obj = QNetworkCookie(name, value)
cookie_obj.setDomain(domain)
cookie_obj_list.append(cookie_obj)
self.cookie_jar.setAllCookies(cookie_obj_list)
# Method
method_obj = getattr(QNetworkAccessManager, '%sOperation'
% method.capitalize())
# Ensure that Content-Type is correct if method is post
if method == 'post':
headers['Content-Type'] = 'application/x-www-form-urlencoded'
# Post data
if data is None:
data = QByteArray()
# Request object
request_obj = QNetworkRequest(QUrl(url))
# Headers
for name, value in headers.items():
request_obj.setRawHeader(name, value)
# Make a request
self.view.load(request_obj, method_obj, data)
loop.exec_()
if timer.isActive():
request_resource = None
url = str(self.page.mainFrame().url().toString()).rstrip('/')
for res in self.resource_list:
if url == res.url or url == res.url.rstrip('/'):
request_resource = res
break
if request_resource:
return self.build_response(request_resource)
else:
raise KitError('Request was successful but it is not possible'
' to associate the request to one of received'
' responses')
else:
raise KitError('Timeout while loading %s' % url)
class Main(plugin.Plugin):
" Main Class "
def initialize(self, *args, **kwargs):
" Init Main Class "
super(Main, self).initialize(*args, **kwargs)
self.scriptPath, self.scriptArgs = "", []
self.profilerPath, self.tempPath = profilerPath, tempPath
self.output = " ERROR: FAIL: No output ! "
self.process = QProcess()
self.process.finished.connect(self.on_process_finished)
self.process.error.connect(self.on_process_error)
self.tabWidget, self.stat = QTabWidget(), QWidget()
self.tabWidget.tabCloseRequested.connect(
lambda: self.tabWidget.setTabPosition(1) if self.tabWidget.
tabPosition() == 0 else self.tabWidget.setTabPosition(0))
self.tabWidget.setStyleSheet('QTabBar{font-weight:bold;}')
self.tabWidget.setMovable(True)
self.tabWidget.setTabsClosable(True)
self.vboxlayout1 = QVBoxLayout(self.stat)
self.hboxlayout1 = QHBoxLayout()
self.filterTableLabel = QLabel("<b>Type to Search : </b>", self.stat)
self.hboxlayout1.addWidget(self.filterTableLabel)
self.filterTableLineEdit = QLineEdit(self.stat)
self.filterTableLineEdit.setPlaceholderText(' Type to Search . . . ')
self.hboxlayout1.addWidget(self.filterTableLineEdit)
self.filterHintTableLabel = QLabel(" ? ", self.stat)
self.hboxlayout1.addWidget(self.filterHintTableLabel)
self.vboxlayout1.addLayout(self.hboxlayout1)
self.tableWidget = QTableWidget(self.stat)
self.tableWidget.setAlternatingRowColors(True)
self.tableWidget.setColumnCount(8)
self.tableWidget.setRowCount(2)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(0, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(1, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(2, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(3, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(4, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(5, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(6, item)
item = QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(7, item)
self.tableWidget.itemDoubleClicked.connect(
self.on_tableWidget_itemDoubleClicked)
self.vboxlayout1.addWidget(self.tableWidget)
self.tabWidget.addTab(self.stat, " ? ")
self.source = QWidget()
self.gridlayout = QGridLayout(self.source)
self.scintillaWarningLabel = QLabel(
"QScintilla is not installed!. Falling back to basic text edit!.",
self.source)
self.gridlayout.addWidget(self.scintillaWarningLabel, 1, 0, 1, 2)
self.sourceTreeWidget = QTreeWidget(self.source)
self.sourceTreeWidget.setAlternatingRowColors(True)
self.sourceTreeWidget.itemActivated.connect(
self.on_sourceTreeWidget_itemActivated)
self.sourceTreeWidget.itemClicked.connect(
self.on_sourceTreeWidget_itemClicked)
self.sourceTreeWidget.itemDoubleClicked.connect(
self.on_sourceTreeWidget_itemClicked)
self.gridlayout.addWidget(self.sourceTreeWidget, 0, 0, 1, 1)
self.sourceTextEdit = QTextEdit(self.source)
self.sourceTextEdit.setReadOnly(True)
self.gridlayout.addWidget(self.sourceTextEdit, 0, 1, 1, 1)
self.tabWidget.addTab(self.source, " ? ")
self.result = QWidget()
self.vlayout = QVBoxLayout(self.result)
self.globalStatGroupBox = QGroupBox(self.result)
self.hboxlayout = QHBoxLayout(self.globalStatGroupBox)
self.totalTimeLcdNumber = QLCDNumber(self.globalStatGroupBox)
self.totalTimeLcdNumber.setSegmentStyle(QLCDNumber.Filled)
self.totalTimeLcdNumber.setNumDigits(7)
self.totalTimeLcdNumber.display(1000000)
self.totalTimeLcdNumber.setFrameShape(QFrame.StyledPanel)
self.totalTimeLcdNumber.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.hboxlayout.addWidget(self.totalTimeLcdNumber)
self.tTimeLabel = QLabel("<b>Total Time (Sec)</b>",
self.globalStatGroupBox)
self.tTimeLabel.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self.hboxlayout.addWidget(self.tTimeLabel)
self.numCallLcdNumber = QLCDNumber(self.globalStatGroupBox)
self.numCallLcdNumber.setNumDigits(7)
self.numCallLcdNumber.display(1000000)
self.numCallLcdNumber.setSegmentStyle(QLCDNumber.Filled)
self.numCallLcdNumber.setFrameShape(QFrame.StyledPanel)
self.numCallLcdNumber.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.hboxlayout.addWidget(self.numCallLcdNumber)
self.numCallLabel = QLabel("<b>Number of calls</b>",
self.globalStatGroupBox)
self.numCallLabel.setSizePolicy(QSizePolicy.Minimum,
QSizePolicy.Minimum)
self.hboxlayout.addWidget(self.numCallLabel)
self.primCallLcdNumber = QLCDNumber(self.globalStatGroupBox)
self.primCallLcdNumber.setSegmentStyle(QLCDNumber.Filled)
self.primCallLcdNumber.setFrameShape(QFrame.StyledPanel)
self.primCallLcdNumber.setNumDigits(7)
self.primCallLcdNumber.display(1000000)
self.primCallLcdNumber.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.hboxlayout.addWidget(self.primCallLcdNumber)
self.primCallLabel = QLabel("<b>Primitive calls (%)</b>",
self.globalStatGroupBox)
self.primCallLabel.setSizePolicy(QSizePolicy.Minimum,
QSizePolicy.Minimum)
self.hboxlayout.addWidget(self.primCallLabel)
self.vlayout.addWidget(self.globalStatGroupBox)
try:
from PyKDE4.kdeui import KRatingWidget
self.rating = KRatingWidget(self.globalStatGroupBox)
self.rating.setToolTip('Profiling Performance Rating')
except ImportError:
pass
self.tabWidget.addTab(self.result, " Get Results ! ")
self.resgraph = QWidget()
self.vlayout2 = QVBoxLayout(self.result)
self.graphz = QGroupBox(self.resgraph)
self.hboxlayout2 = QHBoxLayout(self.graphz)
try:
from PyKDE4.kdeui import KLed
KLed(self.graphz)
except ImportError:
pass
self.hboxlayout2.addWidget(
QLabel('''
Work in Progress :) Not Ready Yet'''))
self.vlayout2.addWidget(self.graphz)
self.tabWidget.addTab(self.resgraph, " Graphs and Charts ")
self.pathz = QWidget()
self.vlayout3 = QVBoxLayout(self.pathz)
self.patz = QGroupBox(self.pathz)
self.hboxlayout3 = QVBoxLayout(self.patz)
self.profilepath = QLineEdit(profilerPath)
self.getprofile = QPushButton(QIcon.fromTheme("document-open"), 'Open')
self.getprofile.setToolTip(
'Dont touch if you dont know what are doing')
self.getprofile.clicked.connect(lambda: self.profilepath.setText(
str(
QFileDialog.getOpenFileName(
self.patz, ' Open the profile.py file ',
path.expanduser("~"), ';;(profile.py)'))))
self.hboxlayout3.addWidget(
QLabel(
'<center><b>Profile.py Python Library Full Path:</b></center>')
)
self.hboxlayout3.addWidget(self.profilepath)
self.hboxlayout3.addWidget(self.getprofile)
self.argGroupBox = QGroupBox(self.pathz)
self.hbxlayout = QHBoxLayout(self.argGroupBox)
self.argLineEdit = QLineEdit(self.argGroupBox)
self.argLineEdit.setToolTip(
'Not touch if you dont know what are doing')
self.argLineEdit.setPlaceholderText(
'Dont touch if you dont know what are doing')
self.hbxlayout.addWidget(
QLabel('<b>Additional Profile Arguments:</b>'))
self.hbxlayout.addWidget(self.argLineEdit)
self.hboxlayout3.addWidget(self.argGroupBox)
self.vlayout3.addWidget(self.patz)
self.tabWidget.addTab(self.pathz, " Paths and Configs ")
self.outp = QWidget()
self.vlayout4 = QVBoxLayout(self.outp)
self.outgro = QGroupBox(self.outp)
self.outgro.setTitle(" MultiProcessing Output Logs ")
self.hboxlayout4 = QVBoxLayout(self.outgro)
self.outputlog = QTextEdit()
self.outputlog.setText('''
I do not fear computers, I fear the lack of them. -Isaac Asimov ''')
self.hboxlayout4.addWidget(self.outputlog)
self.vlayout4.addWidget(self.outgro)
self.tabWidget.addTab(self.outp, " Logs ")
self.actionNew_profiling = QAction(QIcon.fromTheme("document-new"),
'New Profiling', self)
self.actionLoad_profile = QAction(QIcon.fromTheme("document-open"),
'Open Profiling', self)
self.actionClean = QAction(QIcon.fromTheme("edit-clear"), 'Clean',
self)
self.actionClean.triggered.connect(lambda: self.clearContent)
self.actionAbout = QAction(QIcon.fromTheme("help-about"), 'About',
self)
self.actionAbout.triggered.connect(lambda: QMessageBox.about(
self.dock, __doc__, ', '.join(
(__doc__, __license__, __author__, __email__))))
self.actionSave_profile = QAction(QIcon.fromTheme("document-save"),
'Save Profiling', self)
self.actionManual = QAction(QIcon.fromTheme("help-contents"), 'Help',
self)
self.actionManual.triggered.connect(lambda: open_new_tab(
'http://docs.python.org/library/profile.html'))
self.tabWidget.setCurrentIndex(2)
self.globalStatGroupBox.setTitle("Global Statistics")
item = self.tableWidget.horizontalHeaderItem(0)
item.setText("Number of Calls")
item = self.tableWidget.horizontalHeaderItem(1)
item.setText("Total Time")
item = self.tableWidget.horizontalHeaderItem(2)
item.setText("Per Call")
item = self.tableWidget.horizontalHeaderItem(3)
item.setText("Cumulative Time")
item = self.tableWidget.horizontalHeaderItem(4)
item.setText("Per Call")
item = self.tableWidget.horizontalHeaderItem(5)
item.setText("Filename")
item = self.tableWidget.horizontalHeaderItem(6)
item.setText("Line")
item = self.tableWidget.horizontalHeaderItem(7)
item.setText("Function")
self.tabWidget.setTabText(self.tabWidget.indexOf(self.stat),
"Statistics per Function")
self.sourceTreeWidget.headerItem().setText(0, "Source files")
self.tabWidget.setTabText(self.tabWidget.indexOf(self.source),
"Sources Navigator")
#######################################################################
self.scrollable, self.dock = QScrollArea(), QDockWidget()
self.scrollable.setWidgetResizable(True)
self.scrollable.setWidget(self.tabWidget)
self.dock.setWindowTitle(__doc__)
self.dock.setStyleSheet('QDockWidget::title{text-align: center;}')
self.dock.setWidget(self.scrollable)
QToolBar(self.dock).addActions(
(self.actionNew_profiling, self.actionClean,
self.actionSave_profile, self.actionLoad_profile,
self.actionManual, self.actionAbout))
self.actionNew_profiling.triggered.connect(
self.on_actionNew_profiling_triggered)
self.actionLoad_profile.triggered.connect(
self.on_actionLoad_profile_triggered)
self.actionSave_profile.triggered.connect(
self.on_actionSave_profile_triggered)
self.locator.get_service('misc').add_widget(
self.dock, QIcon.fromTheme("document-open-recent"), __doc__)
if QSCI:
# Scintilla source editor management
self.scintillaWarningLabel.setText(' QScintilla is Ready ! ')
layout = self.source.layout()
layout.removeWidget(self.sourceTextEdit)
self.sourceTextEdit = Qsci.QsciScintilla(self.source)
layout.addWidget(self.sourceTextEdit, 0, 1)
doc = self.sourceTextEdit
doc.setLexer(Qsci.QsciLexerPython(self.sourceTextEdit))
doc.setReadOnly(True)
doc.setEdgeMode(Qsci.QsciScintilla.EdgeLine)
doc.setEdgeColumn(80)
doc.setEdgeColor(QColor("#FF0000"))
doc.setFolding(Qsci.QsciScintilla.BoxedTreeFoldStyle)
doc.setBraceMatching(Qsci.QsciScintilla.SloppyBraceMatch)
doc.setCaretLineVisible(True)
doc.setMarginLineNumbers(1, True)
doc.setMarginWidth(1, 25)
doc.setTabWidth(4)
doc.setEolMode(Qsci.QsciScintilla.EolUnix)
self.marker = {}
for color in COLORS:
mnr = doc.markerDefine(Qsci.QsciScintilla.Background)
doc.setMarkerBackgroundColor(color, mnr)
self.marker[color] = mnr
self.currentSourcePath = None
# Connect table and tree filter edit signal to unique slot
self.filterTableLineEdit.textEdited.connect(
self.on_filterLineEdit_textEdited)
# Timer to display filter hint message
self.filterHintTimer = QTimer(self)
self.filterHintTimer.setSingleShot(True)
self.filterHintTimer.timeout.connect(self.on_filterHintTimer_timeout)
# Timer to start search
self.filterSearchTimer = QTimer(self)
self.filterSearchTimer.setSingleShot(True)
self.filterSearchTimer.timeout.connect(
self.on_filterSearchTimer_timeout)
self.tabLoaded = {}
for i in range(10):
self.tabLoaded[i] = False
self.backgroundTreeMatchedItems = {}
self.resizeWidgetToContent(self.tableWidget)
def on_actionNew_profiling_triggered(self):
self.clearContent()
self.scriptPath = str(
QFileDialog.getOpenFileName(self.dock,
"Choose your script to profile",
path.expanduser("~"),
"Python (*.py *.pyw)"))
commandLine = [
self.profilerPath, "-o", self.tempPath, self.scriptPath
] + self.scriptArgs
commandLine = " ".join(commandLine)
##if self.termCheckBox.checkState() == Qt.Checked:
#termList = ["xterm", "aterm"]
#for term in termList:
#termPath = which(term)
#if termPath:
#break
#commandLine = """%s -e "%s ; echo 'Press ENTER Exit' ; read" """ \
#% (termPath, commandLine)
self.process.start(commandLine)
if not self.process.waitForStarted():
print((" ERROR: {} failed!".format(commandLine)))
return
def on_process_finished(self, exitStatus):
' whan the process end '
print((" INFO: OK: QProcess is %s" % self.process.exitCode()))
self.output = self.process.readAll().data()
if not self.output:
self.output = " ERROR: FAIL: No output ! "
self.outputlog.setText(self.output + str(self.process.exitCode()))
if path.exists(self.tempPath):
self.setStat(self.tempPath)
remove(self.tempPath)
else:
self.outputlog.setText(" ERROR: QProcess FAIL: Profiling failed.")
self.tabWidget.setCurrentIndex(2)
def on_process_error(self, error):
' when the process fail, I hope you never see this '
print(" ERROR: QProcess FAIL: Profiler Dead, wheres your God now ? ")
if error == QProcess.FailedToStart:
self.outputlog.setText(" ERROR: FAIL: Profiler execution failed ")
elif error == QProcess.Crashed:
self.outputlog.setText(" ERROR: FAIL: Profiler execution crashed ")
else:
self.outputlog.setText(" ERROR: FAIL: Profiler unknown error ")
def on_actionLoad_profile_triggered(self):
"""Load a previous profile sessions"""
statPath = str(
QFileDialog.getOpenFileName(self.dock, "Open profile dump",
path.expanduser("~"),
"Profile file (*)"))
if statPath:
self.clearContent()
print(' INFO: OK: Loading profiling from ' + statPath)
self.setStat(statPath)
def on_actionSave_profile_triggered(self):
"""Save a profile sessions"""
statPath = str(
QFileDialog.getSaveFileName(self.dock, "Save profile dump",
path.expanduser("~"),
"Profile file (*)"))
if statPath:
#TODO: handle error case and give feelback to user
print(' INFO: OK: Saving profiling to ' + statPath)
self.stat.save(statPath)
#=======================================================================#
# Common parts #
#=======================================================================#
def on_tabWidget_currentChanged(self, index):
"""slot for tab change"""
# Kill search and hint timer if running to avoid cross effect
for timer in (self.filterHintTimer, self.filterSearchTimer):
if timer.isActive():
timer.stop()
if not self.stat:
#No stat loaded, nothing to do
return
self.populateTable()
self.populateSource()
def on_filterLineEdit_textEdited(self, text):
"""slot for filter change (table or tree"""
if self.filterSearchTimer.isActive():
# Already runnning, stop it
self.filterSearchTimer.stop()
# Start timer
self.filterSearchTimer.start(300)
def on_filterHintTimer_timeout(self):
"""Timeout to warn user about text length"""
print("timeout")
tab = self.tabWidget.currentIndex()
if tab == TAB_FUNCTIONSTAT:
label = self.filterHintTableLabel
label.setText("Type > 2 characters to search")
def on_filterSearchTimer_timeout(self):
"""timeout to start search"""
tab = self.tabWidget.currentIndex()
if tab == TAB_FUNCTIONSTAT:
text = self.filterTableLineEdit.text()
label = self.filterHintTableLabel
edit = self.filterTableLineEdit
widget = self.tableWidget
else:
print("Unknow tab for filterSearch timeout !")
print(("do search for %s" % text))
if not len(text):
# Empty keyword, just clean all
if self.filterHintTimer.isActive():
self.filterHintTimer.stop()
label.setText(" ? ")
self.warnUSer(True, edit)
self.clearSearch()
return
if len(text) < 2:
# Don't filter if text is too short and tell it to user
self.filterHintTimer.start(600)
return
else:
if self.filterHintTimer.isActive():
self.filterHintTimer.stop()
label.setText(" ? ")
# Search
self.clearSearch()
matchedItems = []
if tab == TAB_FUNCTIONSTAT:
# Find items
matchedItems = widget.findItems(text, Qt.MatchContains)
widget.setSortingEnabled(False)
matchedRows = [item.row() for item in matchedItems]
# Hide matched items
header = widget.verticalHeader()
for row in range(widget.rowCount()):
if row not in matchedRows:
header.hideSection(row)
widget.setSortingEnabled(True)
else:
print(" Unknow tab for filterSearch timeout ! ")
print(("got %s members" % len(matchedItems)))
self.warnUSer(matchedItems, edit)
self.resizeWidgetToContent(widget)
def resizeWidgetToContent(self, widget):
"""Resize all columns according to content"""
for i in range(widget.columnCount()):
widget.resizeColumnToContents(i)
def clearSearch(self):
"""Clean search result
For table, show all items
For tree, remove colored items"""
tab = self.tabWidget.currentIndex()
if tab == TAB_FUNCTIONSTAT:
header = self.tableWidget.verticalHeader()
if header.hiddenSectionCount():
for i in range(header.count()):
if header.isSectionHidden(i):
header.showSection(i)
def clearContent(self):
# Clear tabs
self.tableWidget.clearContents()
self.sourceTreeWidget.clear()
# Reset LCD numbers
for lcdNumber in (self.totalTimeLcdNumber, self.numCallLcdNumber,
self.primCallLcdNumber):
lcdNumber.display(1000000)
# Reset stat
self.pstat = None
# Disable save as menu
self.actionSave_profile.setEnabled(False)
# Mark all tabs as unloaded
for i in range(10):
self.tabLoaded[i] = False
def warnUSer(self, result, inputWidget):
palette = inputWidget.palette()
if result:
palette.setColor(QPalette.Normal, QPalette.Base,
QColor(255, 255, 255))
else:
palette.setColor(QPalette.Normal, QPalette.Base,
QColor(255, 136, 138))
inputWidget.setPalette(palette)
inputWidget.update()
def setStat(self, statPath):
self.stat = Stat(path=statPath)
# Global stat update
self.totalTimeLcdNumber.display(self.stat.getTotalTime())
self.numCallLcdNumber.display(self.stat.getCallNumber())
self.primCallLcdNumber.display(self.stat.getPrimitiveCallRatio())
# Refresh current tab
self.on_tabWidget_currentChanged(self.tabWidget.currentIndex())
# Activate save as menu
self.actionSave_profile.setEnabled(True)
try:
self.rating.setMaxRating(10)
self.rating.setRating(
int(self.stat.getPrimitiveCallRatio()) / 10 - 1)
except:
pass
#========================================================================#
# Statistics table #
#=======================================================================#
def populateTable(self):
row = 0
rowCount = self.stat.getStatNumber()
progress = QProgressDialog("Populating statistics table...", "Abort",
0, 2 * rowCount)
self.tableWidget.setSortingEnabled(False)
self.tableWidget.setRowCount(rowCount)
progress.setWindowModality(Qt.WindowModal)
for (key, value) in self.stat.getStatItems():
#ncalls
item = StatTableWidgetItem(str(value[0]))
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_NCALLS, item)
colorTableItem(item, self.stat.getCallNumber(), value[0])
#total time
item = StatTableWidgetItem(str(value[2]))
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_TTIME, item)
colorTableItem(item, self.stat.getTotalTime(), value[2])
#per call (total time)
if value[0] != 0:
tPerCall = str(value[2] / value[0])
cPerCall = str(value[3] / value[0])
else:
tPerCall = ""
cPerCall = ""
item = StatTableWidgetItem(tPerCall)
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_TPERCALL, item)
colorTableItem(
item,
100.0 * self.stat.getTotalTime() / self.stat.getCallNumber(),
tPerCall)
#per call (cumulative time)
item = StatTableWidgetItem(cPerCall)
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_CPERCALL, item)
colorTableItem(
item,
100.0 * self.stat.getTotalTime() / self.stat.getCallNumber(),
cPerCall)
#cumulative time
item = StatTableWidgetItem(str(value[3]))
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_CTIME, item)
colorTableItem(item, self.stat.getTotalTime(), value[3])
#Filename
self.tableWidget.setItem(row, STAT_FILENAME,
StatTableWidgetItem(str(key[0])))
#Line
item = StatTableWidgetItem(str(key[1]))
item.setTextAlignment(Qt.AlignRight)
self.tableWidget.setItem(row, STAT_LINE, item)
#Function name
self.tableWidget.setItem(row, STAT_FUNCTION,
StatTableWidgetItem(str(key[2])))
row += 1
# Store it in stat hash array
self.stat.setStatLink(item, key, TAB_FUNCTIONSTAT)
progress.setValue(row)
if progress.wasCanceled():
return
for i in range(self.tableWidget.rowCount()):
progress.setValue(row + i)
for j in range(self.tableWidget.columnCount()):
item = self.tableWidget.item(i, j)
if item:
item.setFlags(Qt.ItemIsEnabled)
self.tableWidget.setSortingEnabled(True)
self.resizeWidgetToContent(self.tableWidget)
progress.setValue(2 * rowCount)
def on_tableWidget_itemDoubleClicked(self, item):
matchedItems = []
filename = str(self.tableWidget.item(item.row(), STAT_FILENAME).text())
if not filename or filename.startswith("<"):
# No source code associated, return immediatly
return
function = self.tableWidget.item(item.row(), STAT_FUNCTION).text()
line = self.tableWidget.item(item.row(), STAT_LINE).text()
self.on_tabWidget_currentChanged(TAB_SOURCE) # load source tab
function = "%s (%s)" % (function, line)
fathers = self.sourceTreeWidget.findItems(filename, Qt.MatchContains,
SOURCE_FILENAME)
print(("find %s father" % len(fathers)))
for father in fathers:
findItems(father, function, SOURCE_FILENAME, matchedItems)
print(("find %s items" % len(matchedItems)))
if matchedItems:
self.tabWidget.setCurrentIndex(TAB_SOURCE)
self.sourceTreeWidget.scrollToItem(matchedItems[0])
self.on_sourceTreeWidget_itemClicked(matchedItems[0],
SOURCE_FILENAME)
matchedItems[0].setSelected(True)
else:
print("oups, item found but cannot scroll to it !")
#=======================================================================#
# Source explorer #
#=====================================================================#
def populateSource(self):
items = {}
for stat in self.stat.getStatKeys():
source = stat[0]
function = "%s (%s)" % (stat[2], stat[1])
if source in ("", "profile") or source.startswith("<"):
continue
# Create the function child
child = QTreeWidgetItem([function])
# Store it in stat hash array
self.stat.setStatLink(child, stat, TAB_SOURCE)
if source in items:
father = items[source]
else:
# Create the father
father = QTreeWidgetItem([source])
items[source] = father
father.addChild(child)
self.sourceTreeWidget.setSortingEnabled(False)
for value in list(items.values()):
self.sourceTreeWidget.addTopLevelItem(value)
self.sourceTreeWidget.setSortingEnabled(True)
def on_sourceTreeWidget_itemActivated(self, item, column):
self.on_sourceTreeWidget_itemClicked(item, column)
def on_sourceTreeWidget_itemClicked(self, item, column):
line = 0
parent = item.parent()
if QSCI:
doc = self.sourceTextEdit
if parent:
pathz = parent.text(column)
result = match("(.*) \(([0-9]+)\)", item.text(column))
if result:
try:
function = str(result.group(1))
line = int(result.group(2))
except ValueError:
# We got garbage... falling back to line 0
pass
else:
pathz = item.text(column)
pathz = path.abspath(str(pathz))
if self.currentSourcePath != pathz:
# Need to load source
self.currentSourcePath == pathz
try:
if QSCI:
doc.clear()
doc.insert(file(pathz).read())
else:
self.sourceTextEdit.setPlainText(file(pathz).read())
except IOError:
QMessageBox.warning(self, "Error",
"Source file could not be found",
QMessageBox.Ok)
return
if QSCI:
for function, line in [(i[2], i[1])
for i in self.stat.getStatKeys()
if i[0] == pathz]:
# expr, regexp, case sensitive, whole word, wrap, forward
doc.findFirst("def", False, True, True, False, True, line,
0, True)
end, foo = doc.getCursorPosition()
time = self.stat.getStatTotalTime((pathz, line, function))
colorSource(doc, self.stat.getTotalTime(), time, line, end,
self.marker)
if QSCI:
doc.ensureLineVisible(line)
class MainWindow(QMainWindow):
sweepVaribles = pyqtSignal(float, np.ndarray, str)
#killSweepNow = pyqtSignal()
sweepUp = True
userWantsOn = False #the user wants the output off
def __init__(self):
QMainWindow.__init__(self)
self.instrumentDetectThread = instrumentDetectThread()
self.instrumentDetectThread.foundInstruments.connect(self.catchList)
self.settings = QSettings("greyltc", "ivSweeper")
#how long status messages show for
self.messageDuration = 1000 #ms
#variables to keep track of what we're sourcing/sensing
self.source = "voltage"
self.sense = "current"
self.senseUnit = 'A'
self.sourceUnit = 'V'
#variable to keep track of if a sweep is ongoing
self.sweeping = False
# Set up the user interface from Designer.
self.ui = Ui_IVSweeper()
self.ui.setupUi(self)
if self.settings.contains('lastFolder'):
self.ui.dirEdit.setText(
self.settings.value('lastFolder').toString())
#connect signals generated by gui elements to proper functions
self.ui.sweepButton.clicked.connect(self.manageSweep)
self.ui.shutterButton.clicked.connect(self.handleShutter)
self.ui.frontRadio.toggled.connect(self.setTerminals)
self.ui.sourceVRadio.toggled.connect(self.setMode)
self.ui.twowireRadio.toggled.connect(self.setWires)
self.ui.zeroCheck.toggled.connect(self.setZero)
self.ui.speedCombo.currentIndexChanged.connect(self.setSpeed)
self.ui.averageSpin.valueChanged.connect(self.setAverage)
self.ui.complianceSpin.valueChanged.connect(self.setCompliance)
self.ui.startSpin.valueChanged.connect(self.setStart)
self.ui.endSpin.valueChanged.connect(self.setSourceRange)
self.ui.outputCheck.toggled.connect(self.setOutput)
self.ui.delaySpinBox.valueChanged.connect(self.updateDeltaText)
self.ui.totalPointsSpin.valueChanged.connect(self.updateDeltaText)
self.ui.reverseButton.clicked.connect(self.reverseCall)
self.ui.actionRun_Test_Code.triggered.connect(self.testArea)
self.ui.instrumentCombo.activated.connect(self.handleICombo)
self.ui.saveModeCombo.currentIndexChanged.connect(self.handleModeCombo)
self.ui.browseButton.clicked.connect(self.browseButtonCall)
self.ui.outputCheck.clicked.connect(self.toggleWhatUserWants)
#TODO: load state here
#self.restoreState(self.settings.value('guiState').toByteArray())
#this keeps track of clicks on the output/on off box
def toggleWhatUserWants(self):
self.userWantsOn = not self.userWantsOn
def handleModeCombo(self):
dt = self.ui.delaySpinBox.value()
if self.ui.saveModeCombo.currentIndex() == 0: #i,v vs t mode
startValue = float(self.ui.startSpin.value())
endValue = float(self.ui.endSpin.value())
span = abs(endValue - startValue) + 1
self.ui.totalPointsSpin.setMaximum(span)
self.ui.totalPointsSpin.setMinimum(1)
self.sendCmd(":source:delay 0")
self.sendCmd(':source:' + self.source + ':mode fixed')
self.sendCmd(':trigger:count 1')
#fast response and no auto zeroing in i,v vs t mode
self.ui.speedCombo.setCurrentIndex(0)
self.ui.zeroCheck.setChecked(False)
else: #traditional i vs v mode
#TODO: figure out why this mode is double scanning for 70 points 1 sec delay
self.ui.totalPointsSpin.setMaximum(
2500
) #standard sweeps can be at most 2500 points long (keithley limitation)
self.ui.totalPointsSpin.setMinimum(2)
self.ui.speedCombo.setCurrentIndex(3) #go slow here
self.sendCmd(":source:delay {0:0.3f}".format(dt))
self.sendCmd(':source:' + self.source + ':mode sweep')
nPoints = float(self.ui.totalPointsSpin.value())
self.sendCmd(':trigger:count {0:d}'.format(int(nPoints)))
#high accuracy and auto zeroing in i vs v mode
self.ui.speedCombo.setCurrentIndex(3)
self.ui.zeroCheck.setChecked(True)
def catchList(self, resourceNames):
for i in range(self.ui.instrumentCombo.count()):
self.ui.instrumentCombo.removeItem(0)
self.ui.instrumentCombo.setEnabled(True)
self.ui.instrumentCombo.insertItem(0, 'Select Instrument')
self.ui.instrumentCombo.insertItem(1, '(Re)Scan for Instruments')
i = 2
for instrument in resourceNames:
self.ui.instrumentCombo.insertItem(i, instrument)
i = i + 1
self.ui.instrumentCombo.setCurrentIndex(0)
def handleICombo(self, index):
#index = self.ui.instrumentCombo.currentIndex()
thisString = str(self.ui.instrumentCombo.currentText())
scanString = '(Re)Scan for Instruments'
selectString = 'Select Instrument'
noneString = "None found"
if thisString == scanString:
self.ui.instrumentCombo.setItemText(index, 'Searching...')
self.ui.instrumentCombo.setEnabled(False)
self.instrumentDetectThread.start()
elif (thisString == selectString) or (thisString == noneString):
pass
else:
self.initialConnect(thisString)
def browseButtonCall(self):
dirName = QFileDialog.getExistingDirectory(
directory=self.ui.dirEdit.text())
self.settings.setValue('lastFolder', dirName)
self.ui.dirEdit.setText(dirName)
#return -1 * the power of the device at a given voltage or current
def invPower(self, request):
request = request[0]
#TODO: remove this testing current fudge value
#currentFudge = 0.004;
currentFudge = 0
try:
print request
self.sendCmd('source:' + self.source + ' {0:.3f}'.format(request))
self.k.task_queue.put(
('read_raw',
())) #TODO: this should be split to another function
data = qBinRead(self.k.done_queue)
return (data[0] * (data[1] - currentFudge))
except:
self.ui.statusbar.showMessage("Error: Not connected",
self.messageDuration)
return np.nan
def handleShutter(self):
shutterOnValue = '14'
shutterOffValue = '15'
self.k.task_queue.put(
('ask', (':source2:ttl:actual?', )
)) #TODO: this should be split to another function
outStatus = self.k.done_queue.get()
if outStatus == shutterOnValue:
self.sendCmd(":source2:ttl " + shutterOffValue)
else:
self.sendCmd(":source2:ttl " + shutterOnValue)
#TODO: move this to its own thread
def maxPowerDwell(self):
voltageSourceRange = 3 # operate between +/- 3V
currentSourceRange = 0.1 # operate between +/- 100ma
if self.sourceUnit == 'V':
self.sendCmd(':source:' + self.source +
':range {0:.3f}'.format(voltageSourceRange))
initialGuess = 0.7
else:
self.sendCmd(':source:' + self.source +
':range {0:.3f}'.format(currentSourceRange))
initialGuess = 0.01 # no idea if this is right
dt = self.ui.delaySpinBox.value()
nPoints = float(self.ui.totalPointsSpin.value())
self.ui.outputCheck.setChecked(True)
oldSpeedIndex = self.ui.speedCombo.currentIndex()
self.ui.speedCombo.setCurrentIndex(2)
for i in range(int(nPoints)):
optResults = optimize.minimize(self.invPower,
initialGuess,
method='COBYLA',
tol=1e-4,
options={'rhobeg': 0.2})
print optResults.message
print optResults.status
answer = float(optResults.x)
initialGuess = answer
self.sendCmd(
":SYST:KEY 23") #go into local mode for live display update
print "Optimized! Mpp Voltage: {0:.3f}".format(answer)
print "Now sleeping for {0:.1f} seconds".format(dt)
time.sleep(dt)
self.k.task_queue.put(('read_raw', ()))
data = qBinRead(self.k.done_queue)
#vi = (data[0], data[1], data[1]*data[0]*1000/.4*-1)
print 'Max Power: {0:.3f}% '.format(
data[0] * data[1] * 1000 /
float(self.ui.deviceAreaEdit.text()))
self.ui.outputCheck.setChecked(self.userWantsOn)
self.ui.speedCombo.setCurrentIndex(oldSpeedIndex)
def testArea(self):
print('Running test code now')
#self.maxPowerDwell()
#x = np.random.randn(10000)
#np.hist(x, 100)
def closeEvent(self, event):
#TODO: save state here
#self.settings.setValue('guiState',self.saveState())
self.closeInstrument()
QMainWindow.closeEvent(self, event)
#do these things when a sweep completes (or is canceled by the user)
def doSweepComplete(self):
if self.ui.sweepContinuallyGroup.isChecked(
) and self.sweeping: #in continual sweep mode, perform another sweep
self.sendCmd(
':source:' + self.source +
' {0:.4f}'.format(float(self.ui.startSpin.value()) / 1000))
if self.ui.displayBlankCheck.isChecked():
self.sendCmd(':display:enable off'
) #this makes the device more responsive
else:
self.sendCmd(':display:enable on'
) #this makes the device more responsive
sleepMS = int(self.ui.scanRecoverySpin.value() * 1000)
if sleepMS > 0:
#start these after the user specified delay
self.timerA = QTimer()
self.timerA.timeout.connect(self.initiateNewSweep)
self.timerA.setSingleShot(True)
self.timerA.start(sleepMS)
self.ui.statusbar.showMessage(
"Sleeping for {0:.1f} s before next scan".format(
float(sleepMS) / 1000), sleepMS)
else: #no delay, don't use timers
self.initiateNewSweep()
else: #we're done sweeping
self.sweeping = False
self.ui.progress.setValue(0)
#enable controls now that the sweep is complete
self.ui.terminalsGroup.setEnabled(True)
self.ui.wiresGroup.setEnabled(True)
self.ui.modeGroup.setEnabled(True)
self.ui.complianceGroup.setEnabled(True)
self.ui.sweepGroup.setEnabled(True)
self.ui.daqGroup.setEnabled(True)
self.ui.outputCheck.setEnabled(True)
self.ui.addressGroup.setEnabled(True)
self.ui.sweepButton.setText('Start Sweep')
self.ui.outputCheck.setChecked(self.userWantsOn)
self.sendCmd(
':source:' + self.source +
' {0:.4f}'.format(float(self.ui.startSpin.value()) / 1000))
#self.sendCmd(":SYST:KEY 23")
#update progress bar
def updateProgress(self, value):
self.ui.progress.setValue(value)
#reverse sweep start and end points
def reverseCall(self):
startValue = self.ui.startSpin.value()
endValue = self.ui.endSpin.value()
#block signals momentarily while we swap things
self.ui.endSpin.blockSignals(True)
self.ui.startSpin.blockSignals(True)
self.ui.endSpin.setValue(startValue)
self.ui.startSpin.setValue(endValue)
self.ui.endSpin.blockSignals(False)
self.ui.startSpin.blockSignals(False)
#update associated elements now that the swap is complete
self.setStart()
#turn output on or off when output box in gui changes state
def setOutput(self):
if self.ui.outputCheck.isChecked():
self.sendCmd(":output on")
#self.sendCmd(":SYST:KEY 23") #go into local mode for live display update
else:
self.sendCmd(":output off")
def initiateNewSweep(self):
if self.ui.saveModeCombo.currentIndex(
) == 0: #this is an I,V vs t sweep
#start sweeping and measuring
self.readRealTimeDataThread.start()
self.measureThread.start()
self.sweepThread.start()
else: # this is an I vs V sweep
self.sendCmd(':source:' + self.source + ':mode sweep')
self.ivDataThread.start()
#do these things when the user presses the sweep button
def manageSweep(self):
if self.ui.maxPowerCheck.isChecked():
self.maxPowerDwell() #TODO this should go into the background
else:
if not self.sweeping:
#disallow user from f*****g shit up while the sweep is taking place
self.ui.terminalsGroup.setEnabled(False)
self.ui.wiresGroup.setEnabled(False)
self.ui.modeGroup.setEnabled(False)
self.ui.complianceGroup.setEnabled(False)
self.ui.sweepGroup.setEnabled(False)
self.ui.daqGroup.setEnabled(False)
self.ui.outputCheck.setEnabled(False)
self.ui.addressGroup.setEnabled(False)
#calculate sweep parameters from data in gui elements
self.ui.outputCheck.setChecked(True)
nPoints = float(self.ui.totalPointsSpin.value())
start = float(self.ui.startSpin.value()) / 1000
end = float(self.ui.endSpin.value()) / 1000
step = (end - start) / nPoints
if start <= end:
self.sweepUp = True
else:
self.sweepUp = False
#sweep parameters
dt = self.ui.delaySpinBox.value()
sweepValues = np.linspace(start, end, nPoints)
if self.ui.displayBlankCheck.isChecked():
self.sendCmd(':display:enable off'
) #this makes the device more responsive
#send sweep parameters to the sweep thread
self.sweepVaribles.emit(dt, sweepValues, self.source)
self.sweeping = True
self.initiateNewSweep()
self.ui.sweepButton.setText('Abort Sweep')
else: #sweep cancelled mid-run by user
self.sweeping = False
self.ui.statusbar.showMessage("Sweep aborted",
self.messageDuration)
self.ui.sweepButton.setEnabled(False)
if hasattr(self, 'timerA') and self.timerA.isActive():
self.timerA.stop()
self.timerB.stop()
self.timerC.stop()
else: #sweep dealy tiemrs are not running, we're mid-sweep, send the kill signal
if self.ui.saveModeCombo.currentIndex(
) == 0: # we're in I,V vs t mode
self.sweepThread.terminate()
self.measureThread.timeToDie()
else: # we're in I vs V mode
self.k.clearInterface()
self.doSweepComplete()
def saveOutputFile(self):
#TODO: save sweep direction
if self.ui.saveModeCombo.currentIndex() == 0: # we're in I,V vs t mode
self.postProcessThread.saveTime = True
else: # we're in I vs V mode
self.postProcessThread.saveTime = False
self.postProcessThread.area = str(self.ui.deviceAreaEdit.text())
self.postProcessThread.savePath = os.path.join(
str(self.ui.dirEdit.text()), str(self.ui.fileEdit.text()))
self.postProcessThread.tempFile = QTemporaryFile()
self.postProcessThread.sweepUp = self.sweepUp
self.postProcessThread.start()
def processingDone(self):
self.ui.sweepButton.setEnabled(True)
def initialSetup(self):
try:
#create the post processing thread and give it the keithley's done queue so that it can pull data from it
self.postProcessThread = postProcessThread()
self.ivDataThread = ivDataThread(self.k.task_queue,
self.k.done_queue)
self.ivDataThread.postData.connect(
self.postProcessThread.acceptNewData)
self.ivDataThread.postData.connect(self.doSweepComplete)
#create the measurement thread and give it the keithley's task queue so that it can issue commands to it
self.measureThread = measureThread(self.k.task_queue)
#create the data reading thread and give it the keithley's done queue so that it can grab data from it
self.readRealTimeDataThread = readRealTimeDataThread(
self.k.done_queue)
#create the sweep thread and give it the keithley's task queue so that it can issue commands to it
self.sweepThread = sweepThread(self.k.task_queue)
#self.measureThread.measureDone.connect(self.collectDataThread.catchPointNumber)
self.measureThread.measureDone.connect(
self.readRealTimeDataThread.updatePoints)
#self.collectDataThread.readyToCollect.connect(self.collectDataThread.start)
#now connect all the signals associated with these threads:
#update the progress bar during the sweep
self.sweepThread.updateProgress.connect(self.updateProgress)
#update gui and shut off the output only when the last data point has been collected properly
#self.collectAndSaveDataThread.dataCollectionDone.connect(self.doSweepComplete)
#here the collected data is sent to the post processing thread
self.readRealTimeDataThread.postData.connect(
self.postProcessThread.acceptNewData)
self.readRealTimeDataThread.postData.connect(self.doSweepComplete)
#here the post process thread signals that it has the data and it's ready to start processing
self.postProcessThread.readyToProcess.connect(self.saveOutputFile)
#tell the measurement to stop when the sweep is done
self.sweepThread.sweepComplete.connect(
self.measureThread.timeToDie)
#give the new user entered sweep variables to the sweep thread
self.sweepVaribles.connect(self.sweepThread.updateVariables)
self.postProcessThread.postProcessingComplete.connect(
self.processingDone)
#kill sweep early on user request
#self.killSweepNow.connect(self.sweepThread.earlyKill)
#self.killSweepNow.connect(self.collectAndSaveDataThread.earlyKill)
#TODO: should immediately stop threads and purge queue on user cancel
self.sendCmd(":format:data sreal")
self.sendCmd(':system:beeper:state 0') #make this quiet
#always measure current and voltage
self.sendCmd(':sense:function:concurrent on')
self.setTerminals()
self.setWires()
self.sendCmd(
":trace:feed:control never") #don't ever store data in buffer
self.setZero()
self.sendCmd(':sense:average:tcontrol repeat'
) #repeating averaging (not moving)
self.setAverage()
self.sendCmd(':format:elements time,voltage,current,status'
) #set data measurement elements
self.sendCmd(':trigger:delay 0')
self.sendCmd(':source:sweep:spacing linear')
self.sendCmd(':source:sweep:ranging best')
self.setMode() #sets output mode (current or voltage)
self.setOutput()
return True
except:
return False
#do these things right after the user chooses on an instrument address
def initialConnect(self, instrumentAddress):
#this prevents the user from hammering this function through the GUI
self.ui.sweepButton.setFocus()
self.ui.sweepButton.setEnabled(False)
try:
#now that the user has selected an address for the keithley, let's connect to it. we'll use the thread safe version of the visa/gpib interface since we have multiple threads here
self.k = gpib(instrumentAddress, useQueues=True, timeout=None)
#self.k.task_queue.put(('clear',()))
#self.sendCmd(':abort')
self.sendCmd("*rst")
#self.sendCmd('*cls')
self.k.task_queue.put(('ask', ('*idn?', )))
try:
ident = self.k.done_queue.get(block=True, timeout=10)
self.ui.statusbar.showMessage("Connected to " + ident,
self.messageDuration)
except:
ident = []
# let's be sure the firmware and model are what we expect (and what's tested to work)
modelString = "MODEL 2400"
firmwareString = "C33"
if ident.__contains__(modelString):
if ident.__contains__(firmwareString):
self.k.task_queue.put(('ask', (':system:mep:state?', )))
isSCPI = self.k.done_queue.get()
if isSCPI == '0':
if self.initialSetup():
self.ui.sweepButton.setEnabled(True)
self.ui.sweepButton.setFocus()
self.ui.sweepButton.setDefault(True)
else:
self.closeInstrument()
self.ui.statusbar.showMessage("Setup failed")
else:
self.closeInstrument()
self.ui.statusbar.showMessage(
"SCPI comms mode detected")
msgBox = QMessageBox()
msgBox.setWindowTitle(
"SCPI mode detected. Please sqitch to 488.1 mode.")
message488 = \
"Perform the following steps using the buttons on your sourcemeter to select the 488.1 protocol:\n" + \
"1. Press MENU to display the MAIN MENU.\n" + \
"2. Place the cursor on COMMUNICATION and press ENTER to display the COMMUNICATIONS SETUP menu.\n" + \
"3. Place the cursor on GPIB and press ENTER to display the present GPIB address.\n" + \
"4. Press ENTER to display the GPIB PROTOCOL menu.\n" + \
"5. Place the cursor on 488.1 and press ENTER.\n" + \
"6. Use the EXIT key to back out of the menu structure."
msgBox.setText(message488)
msgBox.exec_()
else:
self.closeInstrument()
self.ui.statusbar.showMessage(
'{0:s} found, firmware {1:s} not detected. Please upgrade firmware to continue.'
.format(modelString, firmwareString))
else:
self.closeInstrument()
self.ui.statusbar.showMessage(
'Could not detect instrument with "{0:s}"'.format(
modelString))
except:
self.closeInstrument()
self.ui.statusbar.showMessage("Connection failed")
#tell keithely to change compliance when on gui compliance change events
def setCompliance(self):
self.ui.outputCheck.setChecked(False)
value = float(self.ui.complianceSpin.value())
self.sendCmd(':sense:' + self.sense +
':protection {0:.3f}'.format(value / 1000))
self.sendCmd(':sense:' + self.sense +
':range {0:.3f}'.format(value / 1000))
self.ui.outputCheck.setChecked(self.userWantsOn)
#tell keithely to change nplc and digits displayed when on gui speed change events
def setSpeed(self):
value = self.ui.speedCombo.currentIndex()
if value is 0: #fast
self.sendCmd(':sense:' + self.sense + ':nplcycles 0.01')
self.sendCmd(':display:digits 4')
elif value is 1: #med
self.sendCmd(':sense:' + self.sense + ':nplcycles 0.1')
self.sendCmd(':display:digits 5')
elif value is 2: #normal
self.sendCmd(':sense:' + self.sense + ':nplcycles 1')
self.sendCmd(':display:digits 6')
elif value is 3: #hi accuracy
self.sendCmd(':sense:' + self.sense + ':nplcycles 10')
self.sendCmd(':display:digits 7')
#tell keithely to change the internal averaging it does on gui average change events
def setAverage(self):
value = self.ui.averageSpin.value()
if value is 0: #no averaging
self.sendCmd(':sense:average off')
else:
self.sendCmd(':sense:average on')
self.sendCmd(':sense:average:count {0}'.format(value))
#tell keithley to enable/disable auto zero when the gui auto zero check box changes state
def setZero(self):
if self.ui.zeroCheck.isChecked():
self.sendCmd(":system:azero on")
else:
self.sendCmd(":system:azero off")
#do all the things needed when the source sweep range is changed
def setSourceRange(self):
startValue = float(self.ui.startSpin.value())
endValue = float(self.ui.endSpin.value())
if self.ui.saveModeCombo.currentIndex(
) == 0: #only set max here if we're in i,v vs t mode
span = abs(endValue - startValue) + 1
self.ui.totalPointsSpin.setMaximum(span)
self.updateDeltaText()
maxAbs = max(abs(startValue), abs(endValue))
self.sendCmd(':source:' + self.source +
':range {0:.3f}'.format(maxAbs / 1000))
#do what needs to be done when the sweep start value is modified
def setStart(self):
startValue = float(self.ui.startSpin.value())
self.setSourceRange()
self.sendCmd('source:' + self.source +
' {0:.3f}'.format(startValue / 1000))
#do these things when the user changes the sweep mode (from voltage to current or the reverse)
def setMode(self):
self.ui.outputCheck.setChecked(
False) #output gets shut off during source change
if self.ui.sourceVRadio.isChecked(): #sweep in voltage
self.source = "voltage"
else: #sweep in current
self.source = "current"
self.ui.outputCheck.setChecked(self.userWantsOn)
self.sendCmd(":source:function " + self.source)
if self.ui.sourceVRadio.isChecked(): #sweep in voltage
self.sense = "current"
self.sourceUnit = 'V'
self.complianceUnit = 'A'
self.ui.startSpin.setRange(-20000, 20000)
self.ui.endSpin.setRange(-20000, 20000)
self.ui.complianceSpin.setRange(1, 1000)
self.sendCmd(':sense:function "current:dc", "voltage:dc"')
self.sendCmd(":source:" + self.source +
":mode fixed") #fixed output mode
else: #sweep in current
self.sense = "voltage"
self.sourceUnit = 'A'
self.complianceUnit = 'V'
self.ui.startSpin.setRange(-1000, 1000)
self.ui.endSpin.setRange(-1000, 1000)
self.ui.complianceSpin.setRange(1, 20000)
self.sendCmd(':sense:function "voltage:dc","current:dc"')
self.sendCmd(":source:" + self.source +
":mode fixed") #fixed output mode
self.ui.startSpin.setSuffix(' m{0:}'.format(self.sourceUnit))
self.ui.endSpin.setSuffix(' m{0:}'.format(self.sourceUnit))
self.ui.complianceSpin.setSuffix(' m{0:}'.format(self.complianceUnit))
self.setStart()
self.setCompliance()
self.setSpeed()
self.handleModeCombo() #sets i vs v or i,v vs t mode
#do these things just before program termination to ensure the computer and instrument are left in a friendly state
def closeInstrument(self):
try:
self.sweeping = False
self.measureThread.timeToDie()
except:
pass
try:
#self.killSweepNow.emit()
self.sweepThread.terminate()
except:
pass
try:
self.k.task_queue.put(('clear', ()))
except:
pass
#TODO: reenable this
#gpib().clearInterface()
self.sendCmd(':abort')
self.sendCmd(':arm:count 1')
self.sendCmd(":display:enable on")
self.sendCmd(":display:window1:text:state off")
self.sendCmd(":display:window2:text:state off")
self.sendCmd('*rst')
self.sendCmd('*cls')
self.sendCmd(':system:key 23')
try:
self.k.__del__() #cleanup
del self.k #remove
except:
pass
def setTerminals(self):
self.ui.outputCheck.setChecked(False)
if self.ui.frontRadio.isChecked():
self.sendCmd(":route:terminals front")
else:
self.sendCmd(":route:terminals rear")
self.ui.outputCheck.setChecked(self.userWantsOn)
def updateDeltaText(self):
#tTot = float(self.ui.totalTimeSpin.value())
dt = self.ui.delaySpinBox.value()
nPoints = float(self.ui.totalPointsSpin.value())
start = float(self.ui.startSpin.value())
end = float(self.ui.endSpin.value())
span = end - start
tTot = dt * nPoints
if self.ui.saveModeCombo.currentIndex() == 1: # we're in i vs v mode
self.sendCmd(':trigger:count {0:d}'.format(int(nPoints)))
self.sendCmd(":source:delay {0:0.3f}".format(dt))
self.sendCmd(':source:sweep:points {0:d}'.format(int(nPoints)))
self.sendCmd(':source:' + self.source +
':start {0:.3f}'.format(start / 1000))
self.sendCmd(':source:' + self.source +
':stop {0:.3f}'.format(end / 1000))
#self.sendCmd(':source:'+self.source+':step {0:.3f}'.format(step))
if tTot >= 60:
timeText = QString(u'tot={0:.1f} min'.format(tTot / 60))
else:
timeText = QString(u'tot={0:.3f} s'.format(tTot))
self.ui.totalLabel.setText(timeText)
if nPoints == 1:
stepText = QString(u'Δ=NaN m{0:}'.format(self.sourceUnit))
else:
stepText = QString(u'Δ={0:.0f} m{1:}'.format(
span / (nPoints - 1), self.sourceUnit))
self.ui.deltaStep.setText(stepText)
def setWires(self):
self.ui.outputCheck.setChecked(False)
if self.ui.twowireRadio.isChecked():
self.sendCmd(":system:rsense OFF")
else:
self.sendCmd(":system:rsense ON")
self.ui.outputCheck.setChecked(self.userWantsOn)
def sendCmd(self, cmdString):
try:
self.k.write(cmdString)
#self.k.write(":system:key 23") #go into local mode for live display update AFTER EVERY COMMAND!
except:
self.ui.statusbar.showMessage("Command failed",
self.messageDuration)
class PositionIndicator(QToolButton):
"""Indicator, which shows text "Line: yy Column: xx"
"""
def __init__(self, parent):
QToolButton.__init__(self, parent)
self.setToolTip(self.tr("Cursor position"))
self.setEnabled(False)
self._setCursorPosition(-1, -1)
minWidth = QFontMetrics(self.font()).width("Line: xxxxx Column: xxx")
minWidth += 30 # for the button borders
self.setMinimumWidth(minWidth) # Avoid flickering when text width changed
core.workspace().currentDocumentChanged.connect(self._onCurrentDocumentChanged)
core.workspace().cursorPositionChanged.connect(self._onCursorPositionChanged)
self._timer = QTimer()
self._timer.setInterval(200)
self._timer.setSingleShot(True)
self._timer.timeout.connect(self._onUpdatePositionTimer)
self._passedUpdate = False
def __del__(self):
if self._timer.isActive():
self._timer.stop()
def _onUpdatePositionTimer(self):
"""Update text on GUI according to current position
"""
if self._passedUpdate:
document = core.workspace().currentDocument()
self._setCursorPosition( *document.qutepart.cursorPosition)
self._passedUpdate = False
def _onCursorPositionChanged(self, document):
"""Cursor position changed.
Update it now or schedule update later
"""
if self._timer.isActive():
self._passedUpdate = True
else:
self._setCursorPosition(*document.qutepart.cursorPosition)
self._timer.start() # one more update after timeout.
def _onCurrentDocumentChanged(self, oldDocument, currentDocument):
"""Current document has been changed
"""
if self._timer.isActive():
self._timer.stop()
# Update connections
if oldDocument is not None:
self.clicked.disconnect(oldDocument.invokeGoTo)
if currentDocument is not None:
self.clicked.connect(currentDocument.invokeGoTo)
# Update info
if currentDocument is not None:
self._setCursorPosition(*currentDocument.qutepart.cursorPosition)
self.setEnabled(True)
else:
self._setCursorPosition(-1, -1)
self.setEnabled(False)
def _setCursorPosition(self, line, col):
"""Update cursor position on GUI.
"""
template = self.tr("Line: %s Column: %s")
if line != -1 and col != -1:
line = str(line + 1)
col = str(col)
else:
line = '-'
col = '-'
self.setText(template % (line, col))
class Scene(QGraphicsScene):
query_changed = pyqtSignal()
table_changed = pyqtSignal(QString)
def __init__(self, parent=None):
"""Override scene to handle drag/drop."""
QGraphicsScene.__init__(self, parent)
self.selectionChanged.connect(self.on_selection_change)
self.timer = QTimer()
self.constraints = ''
def addItem(self, widget):
QGraphicsScene.addItem(self, widget)
self.clearSelection()
widget.setSelected(True)
self.layout()
def layout(self):
# if the layout is still running, do nothing
if self.timer.isActive():
return
self.timer.timeout.connect(self.run_layout)
self.timer.start(10)
def run_layout(self):
points = Table.instances
Table.apply_coulombs_law()
Relation.apply_hookes_law()
Table.update_velocity(0.05)
Table.update_position(0.05)
k = 0.0
for point in Table.instances:
speed = point.velocity.magnitude()
k += speed * speed
if k < 0.01:
self.timer.stop()
def dragEnterEvent(self, event):
if len(self.selectedItems()) != 1 and \
len(Table.instances) > 0:
return event.ignore()
return event.acceptProposedAction()
def dragMoveEvent(self, event):
return event.acceptProposedAction()
def dropEvent(self, event):
items = self.selectedItems()
event.acceptProposedAction()
data = event.mimeData().data('application/x-qabstractitemmodeldatalist')
text = self.decode_data(data)[0][0].toString()
newtable = meta.tables[str(text)]
item = Table(newtable, Vector.random())
if items:
try:
condition = items[0].table.join(newtable)
except:
condition = None
spring = Relation(items[0], item, condition)
QGraphicsScene.addItem(self, spring)
self.addItem(item)
def reset_scene(self):
self.clear()
Relation.clear()
Table.clear()
def get_root(self):
"""Get the root table in the scene."""
table = Table.instances[0]
child = table
while 1:
parent = child.parent
if parent:
child = parent
else:
break
return child
def get_columns(self):
"""Get the columns to display.
The columns displayed are derived from the tables that are selected in
the scene.
"""
selected = self.selectedItems()
col_lists = (x.table.c for x in selected)
return [y for x in col_lists for y in x]
def join(self, query, table, outer=False):
"""Recursively join all the tables in the scene.
This returns the joined sqlalchemy query.
"""
for relation in table.child_relations:
child = relation.to_table
if relation.condition is None:
continue
if relation.is_outer() or outer:
query = query.outerjoin(child.table)
else:
query = query.join(child.table)
query = self.join(query, child, relation.is_outer())
return query
def get_query(self):
"""Create sqlalchemy query based on the contents of the scene."""
root = self.get_root()
base = root.table
cols = self.get_columns()
query = select(cols, self.constraints, from_obj=self.join(base, root))
return query.limit(100)
def on_selection_change(self):
"""Run a query based on the contents of the scene.
This only happens if it makes sense to do so.
"""
items = self.selectedItems()
if len(items) == 0:
return
elif len(items) == 1:
name = items[0].name
self.table_changed.emit(name)
self.query = self.get_query()
self.query_changed.emit()
def decode_data(self, bytearray):
"""Handle drag/drop data."""
data = []
item = {}
ds = QDataStream(bytearray)
while not ds.atEnd():
row = ds.readInt32()
column = ds.readInt32()
map_items = ds.readInt32()
for i in range(map_items):
key = ds.readInt32()
value = QVariant()
ds >> value
item[Qt.ItemDataRole(key)] = value
data.append(item)
return data
def waitForSignal(sender, senderSignal, timeoutMs, expectedSignalParams=None):
""" Wait up to timeoutMs after calling sender() for senderSignal
to be emitted.
It returns True if the senderSignal was emitted; otherwise,
it returns False. If expectedSignalParams is not None, it
is compared against the parameters emitted by the senderSignal.
This function was inspired by http://stackoverflow.com/questions/2629055/qtestlib-qnetworkrequest-not-executed/2630114#2630114.
"""
# Create a single-shot timer. Could use QTimer.singleShot(),
# but can't cancel this / disconnect it.
timer = QTimer()
timer.setSingleShot(True)
# Create an event loop to run in. Otherwise, we need to use the papp
# (QApplication) main loop, which may already be running and therefore
# unusable.
qe = QEventLoop()
# Create a slot which receives a senderSignal with any number
# of arguments. Check the arguments against their expected
# values, if requested, storing the result in senderSignalArgsWrong[0].
# (I can't use senderSignalArgsWrong = True/False, since
# non-local variables cannot be assigned in another scope).
senderSignalArgsWrong = []
def senderSignalSlot(*args):
# If the senderSignal args should be checked and they
# don't match, then they're wrong. In all other cases,
# they're right.
senderSignalArgsWrong.append(
(expectedSignalParams is not None) and
(expectedSignalParams != args) )
# We received the requested signal, so exit the event loop.
qe.quit()
# Connect both signals to a slot which quits the event loop.
senderSignal.connect(senderSignalSlot)
timer.timeout.connect(qe.quit)
# Start the sender and the timer and at the beginning of the event loop.
# Just calling sender() may cause signals emitted in sender
# not to reach their connected slots.
QTimer.singleShot(0, sender)
timer.start(timeoutMs)
# Catch any exceptions which the EventLoop would otherwise catch
# and not re-raise.
exceptions = []
def excepthook(type_, value, tracebackObj):
exceptions.append((value, tracebackObj))
if PRINT_EXEC_TRACKBACK:
oldExcHook(type_, value, tracebackObj)
oldExcHook = sys.excepthook
sys.excepthook = excepthook
# Wait for an emitted signal.
qe.exec_()
# If an exception occurred in the event loop, re-raise it.
if exceptions:
value, tracebackObj = exceptions[0]
raise value, None, tracebackObj
# Clean up: don't allow the timer to call app.quit after this
# function exits, which would produce "interesting" behavior.
ret = timer.isActive()
timer.stop()
# Stopping the timer may not cancel timeout signals in the
# event queue. Disconnect the signal to be sure that loop
# will never receive a timeout after the function exits.
# Likewise, disconnect the senderSignal for the same reason.
senderSignal.disconnect(senderSignalSlot)
timer.timeout.disconnect(qe.quit)
# Restore the old exception hook
sys.excepthook = oldExcHook
return ret and senderSignalArgsWrong and (not senderSignalArgsWrong[0])
class OneShotCallbackProxy(QObject):
"""
A proxy object that allows JavaScript to run Python callbacks.
This creates a JavaScript-compatible object (can be added to `window`)
that has functions `resume()` and `error()` that can be connected to
Python callbacks.
It is "one shot" because either `resume()` or `error()` should be called
exactly _once_. It raises an exception if the combined number of calls
to these methods is greater than 1.
If timeout is zero, then the timeout is disabled.
"""
def __init__(self, parent, callback, errback, timeout=0):
self.name = str(uuid.uuid1())
self._used_up = False
self._callback = callback
self._errback = errback
if timeout < 0:
raise ValueError('OneShotCallbackProxy timeout must be >= 0.')
elif timeout == 0:
self._timer = None
elif timeout > 0:
self._timer = QTimer()
self._timer.setSingleShot(True)
self._timer.timeout.connect(self._timed_out)
self._timer.start(timeout * 1000)
super(OneShotCallbackProxy, self).__init__(parent)
@pyqtSlot('QVariantMap')
def resume(self, value=None):
if self._used_up:
raise OneShotCallbackError("resume() called on a one shot" \
" callback that was already used up.")
self._use_up()
self._callback(qt2py(value))
@pyqtSlot(str, bool)
def error(self, message, raise_=False):
if self._used_up:
raise OneShotCallbackError("error() called on a one shot" \
" callback that was already used up.")
self._use_up()
self._errback(message, raise_)
def cancel(self, reason):
self._use_up()
self._errback("One shot callback canceled due to: %s." % reason,
raise_=False)
def _timed_out(self):
self._use_up()
self._errback("One shot callback timed out while waiting for" \
" resume() or error().", raise_=False)
def _use_up(self):
self._used_up = True
if self._timer is not None and self._timer.isActive():
self._timer.stop()
class ChartToolBar(QWidget, Ui_DSChartMplToolBar):
def __init__(self, parent):
QWidget.__init__(self, parent)
self.setupUi(self)
self.timer = QTimer(self)
self.timer.setInterval(5000)
self.startTime = 0
self.blockUpdates = True
self.GoStartButton.setIcon(QIcon(QPixmap(Icons.goStart)))
self.GoBackButton.setIcon(QIcon(QPixmap(Icons.goBack)))
self.GoForwardButton.setIcon(QIcon(QPixmap(Icons.goForward)))
self.GoEndButton.setIcon(QIcon(QPixmap(Icons.goEnd)))
self.AnimationButton.setIcon(QIcon(QPixmap(Icons.animation)))
self.connect(self.LengthInput, SIGNAL('valueChanged(int)'), self.lengthChanged)
self.connect(self.LengthUnitInput, SIGNAL('activated(int)'), self.lengthUnitChanged)
self.connect(self.StartInput, SIGNAL('dateTimeChanged(QDateTime)'), self.startChanged)
self.connect(self.GoStartButton, SIGNAL('clicked()'), self.goStart)
self.connect(self.GoBackButton, SIGNAL('clicked()'), self.goBack)
self.connect(self.GoForwardButton, SIGNAL('clicked()'), self.goForward)
self.connect(self.GoEndButton, SIGNAL('clicked()'), self.goEnd)
self.connect(self.AnimationButton, SIGNAL('toggled(bool)'), self.animate)
self.connect(self.AnimationDelayInput, SIGNAL('valueChanged(int)'), self.setAnimationDelay)
self.connect(self.timer, SIGNAL('timeout()'), self.goForward)
def setChartCanvas(self, chart, canvas):
self.chart = chart
self.canvas = canvas
slc = chart.standardSlice
self.startTime = chart.sensorgroup.stop - slc
dt = QDateTime()
dt.setTime_t(self.startTime)
self.StartInput.setDateTime(dt)
mindt = QDateTime()
mindt.setTime_t(chart.sensorgroup.start)
self.StartInput.setMinimumDate(mindt.date())
# try to guess unit*factor from slice
uF = unitFactors[:]
uF.reverse()
for f in uF:
if not slc % f:
self.LengthUnitInput.setCurrentIndex(unitFactors.index(f))
self.LengthInput.setValue(slc / f)
self.setTimeslice(slc)
break
else:
self.LengthInput.setValue(1)
self.LengthUnitInput.setCurrentIndex(3)
self.setTimeslice(unitFactors[3])
self.blockUpdates = False
self.updateChart()
def go(self, p, rel=True):
if rel:
t = self.StartInput.dateTime().toTime_t()
else:
t = 0
dt = QDateTime()
dt.setTime_t(t + p)
self.StartInput.setDateTime(dt)
def goStart(self):
self.go(self.chart.sensorgroup.start, False)
def goBack(self):
self.go(-self.chart.timeslice)
def goForward(self):
self.go(self.chart.timeslice)
def goEnd(self):
self.go(self.chart.sensorgroup.stop-self.chart.timeslice, False)
def animate(self, a):
if a and not self.timer.isActive():
self.timer.start()
else:
self.timer.stop()
def setAnimationDelay(self, v):
self.timer.setInterval(1000*v)
def lengthChanged(self, l):
self.setTimeslice(l * unitFactors[self.LengthUnitInput.currentIndex()])
def lengthUnitChanged(self, i):
self.setTimeslice(unitFactors[i] * self.LengthInput.value())
def startChanged(self, dt):
self.startTime = dt.toTime_t()
self.updateChart()
def setTimeslice(self, ts):
if not ts == self.chart.timeslice:
maxdt = QDateTime()
maxdt.setTime_t(self.chart.sensorgroup.stop-ts)
self.StartInput.setMaximumDate(maxdt.date())
self.chart.setTimeslice(ts)
self.updateChart()
def updateChart(self):
if self.blockUpdates:
return
self.chart.figure.clf()
self.chart.makePlot(self.startTime)
self.canvas.draw()
class MainWindow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.sync_delay = 5
self.sync_active = False
self.verbose = False
self.timePattern = re.compile('\.[0-9]+$')
self.setWindowTitle('%s %s' % (QApplication.applicationName(), QApplication.applicationVersion()));
self.widget = QWidget()
self.setCentralWidget(self.widget)
self.statusBar = QStatusBar(self)
self.setStatusBar(self.statusBar)
self.mAction = self.menuBar().addMenu(self.tr("&Action"))
#self.mAction.addAction(self.tr("&update"), self.updateTplTable(), QKeySequence('F5'))
self.mAction.addAction(self.tr('&import records'), self.onImport, QKeySequence('F6'))
self.mAction.addAction(self.tr('edit &settings'), self.onSettings, QKeySequence('F8'))
self.mAction.addAction(self.tr("e&xit"), self.onExit, 'Ctrl+Q')
self.mAbout = self.menuBar().addMenu(self.tr("&about"))
self.mAbout.addAction(QApplication.applicationName(), self.onAboutAppAction)
self.mAbout.addAction("Qt", self.onAboutQtAction)
self.pageForwardButton = QPushButton(self)
self.pageForwardButton.setText('>')
self.connect(self.pageForwardButton, SIGNAL('clicked()'), self.pageForward)
self.pageBackwardButton = QPushButton(self)
self.pageBackwardButton.setText('<')
self.connect(self.pageBackwardButton, SIGNAL('clicked()'), self.pageBackward)
self.timer = QTimer(self)
self.timer.setInterval(1000)
self.connect(self.timer, SIGNAL('timeout()'), self, SLOT('onTimer()'))
self.time_begin = datetime.now()
self.time_end = datetime.now()
self.db_path = os.path.join(os.path.dirname(sys.argv[0]) if os.name != 'posix' else os.path.expanduser('~'), '.tt2.db')
self.db = sqlite3.connect(self.db_path)
self.cursor = self.db.cursor()
try:
self.cursor.execute('SELECT id FROM tt LIMIT 1')
except:
self.createDb()
self.settings = self.fetchSettings()
self.syncer = Syncer(self.db_path, self)
self.connect( self.syncer, SIGNAL('active'), self.setSyncerActive )
self.connect( self.syncer, SIGNAL('message'), self.msg )
self.connect( self.syncer, SIGNAL('newSettings'), self.fetchSettings )
self.layout = QGridLayout(self.widget)
self.descriptionLabel = QLabel(self.widget)
self.descriptionLabel.setText('Beschreibung')
self.descriptionLabel.setMaximumHeight( self.font().pointSize() * 2 )
self.descriptionInput = QLineEdit(self.widget)
self.updateDescriptionEditCompleter()
self.noteLabel = QLabel(self.widget)
self.noteLabel.setText('Notiz')
self.noteLabel.setMaximumHeight( self.font().pointSize() * 2 )
self.noteInput = QLineEdit(self.widget)
self.startStopButton = QPushButton(self.widget)
self.startStopButton.setText('Start')
self.tableView = TplTable(self, int( self.getSetting('displayrows', DEFAULTROWS) ) )
self.pageForwardAction = QAction(self)
self.pageForwardAction.setShortcut(QKeySequence('Right'))
self.connect(self.pageForwardAction, SIGNAL('triggered()'), self.pageForward);
self.pageForwardButton.addAction(self.pageForwardAction)
self.pageBackwardAction = QAction(self)
self.pageBackwardAction.setShortcut(QKeySequence('Left'))
self.connect(self.pageBackwardAction, SIGNAL('triggered()'), self.pageBackward);
self.pageBackwardButton.addAction(self.pageBackwardAction)
self.updateTplTable()
self.layout.addWidget(self.descriptionLabel, 0, 0, 1, 1)
self.layout.addWidget(self.descriptionInput, 1, 0, 1, 1)
self.layout.addWidget(self.noteLabel, 0, 1, 1, 1)
self.layout.addWidget(self.noteInput, 1, 1, 1, 1)
self.layout.addWidget(self.startStopButton, 2, 0, 1, 2)
self.layout.addWidget(self.tableView, 3,0,1,2)
self.layout.addWidget(self.pageBackwardButton, 4, 0, 1, 1)
self.layout.addWidget(self.pageForwardButton, 4, 1, 1, 1)
self.connect(self.descriptionInput, SIGNAL('returnPressed ()'), self.onStartStop )
self.connect(self.noteInput, SIGNAL('returnPressed ()'), self.onStartStop )
self.connect(self.startStopButton, SIGNAL('clicked()'), self.onStartStop )
self.connect(self.tableView, SIGNAL('valueChanged(int)'), self.onValueChanged )
self.connect(self.tableView, SIGNAL('del(int)'), self.onDelete )
self.last_sync = datetime.now()
self.sync()
def __del__(self):
pass
def setSyncerActive(self, active):
if not active:
self.last_sync = datetime.now()
self.sync_active = active
def msg(self, msg, timeout = 0):
#print(msg)
self.statusBar.showMessage(msg, timeout)
def sync(self):
if self.getSetting('syncEnabled','False') == 'False':
return
# reset delay if still active
if self.sync_active:
self.last_sync = datetime.now()
if datetime.now() < ( self.last_sync + timedelta( seconds = self.sync_delay ) ):
try:
#print 'cancel'
self.t.cancel()
except:
pass
#print 'start +',( self.last_sync + timedelta( seconds = self.sync_delay ) - datetime.now() ).seconds + 1
self.t = Timer( ( self.last_sync + timedelta( seconds = self.sync_delay ) - datetime.now() ).seconds + 1 ,self.sync)
self.t.start()
else:
# print 'start syncer instance'
Thread(target=self.syncer.do_sync).start()
def createDb(self):
try:
self.q('''CREATE TABLE tt (
id INTEGER PRIMARY KEY AUTOINCREMENT,
remote_id INTEGER,
time_begin INTEGER,
time_end INTEGER,
description STRING,
note STRING DEFAULT "",
is_new INTEGER DEFAULT 1,
need_update INTEGER DEFAULT 0,
is_delete INTEGER DEFAULT 0
)''')
self.q('''CREATE TABLE settings (
key STRING UNIQUE,
value STRING
)''')
self.q('CREATE INDEX idx_time_begin ON tt (time_begin)')
except:
self.statusBar.showMessage('error creating Database!')
else:
self.statusBar.showMessage('Table tt created successfully')
def q(self, query):
try:
self.cursor.execute(query)
except Exception as e:
print( e )
self.statusBar.showMessage('query execution failed "%s"' % query)
else:
self.db.commit()
def updateTplTable(self):
self.q('SELECT id,time_begin,time_end,description,note FROM tt WHERE is_delete != 1 ORDER BY time_begin DESC LIMIT %d' % ( int( self.getSetting( 'displayrows', DEFAULTROWS ) ) ) )
self.tableView.set(self.cursor.fetchall())
def updateDescriptionEditCompleter(self):
self.q('SELECT DISTINCT description FROM tt WHERE is_delete != 1')
#words = QStringList()
words = []
for word in self.cursor.fetchall():
words.append(str(word[0]))
self.descriptionInput.setCompleter(QCompleter(words, self))
@pyqtSlot()
def pageForward(self):
self.q('SELECT MIN(time_begin) FROM tt')
if not self.tableView.getLastTime() == self.cursor.fetchone()[0]:
sql = 'SELECT id,time_begin,time_end,description,note FROM tt WHERE is_delete != 1 AND time_begin < %d ORDER BY time_begin DESC LIMIT %s' % ( self.tableView.getLastTime(), int( self.getSetting( 'displayrows', DEFAULTROWS ) ) )
if self.verbose:
print( sql )
self.q( sql )
self.tableView.set(self.cursor.fetchall())
@pyqtSlot()
def pageBackward(self):
self.q('SELECT MAX(time_begin) FROM tt')
if not self.tableView.getFirstTime() == self.cursor.fetchone()[0]:
sql = 'SELECT * FROM ( SELECT id,time_begin,time_end,description,note FROM tt WHERE is_delete != 1 AND time_begin > %d ORDER BY time_begin LIMIT %s ) as tbl ORDER BY time_begin DESC' % ( self.tableView.getFirstTime(), int( self.getSetting( 'displayrows', DEFAULTROWS ) ) )
if self.verbose:
print( sql )
self.q( sql )
self.tableView.set(self.cursor.fetchall())
@pyqtSlot()
def onExit(self):
QApplication.exit();
@pyqtSlot()
def onValueChanged(self, _id):
if self.verbose:
print('changed:', _id)
print(self.tableView.get(_id))
data = self.tableView.get(_id)
self.q('''
UPDATE tt
SET time_begin = %d,
time_end = %d,
description = '%s',
note = '%s',
need_update = 1
WHERE
id = %d
''' % ( data[1], data[2], data[3], data[4], data[0] ))
self.updateDescriptionEditCompleter()
self.sync()
@pyqtSlot()
def onDelete(self, _id):
if self.verbose:
print('del:', _id,self.tableView.get(_id)[0])
self.q('UPDATE tt SET is_delete = 1 WHERE id = %d' % self.tableView.get(_id)[0])
self.updateTplTable()
self.updateDescriptionEditCompleter()
self.sync()
@pyqtSlot()
def onTimer(self):
self.startStopButton.setText('Stop (%s)' % self.timePattern.sub( '', str( datetime.now() - self.time_begin ) ) )
@pyqtSlot()
def onStartStop(self):
if self.timer.isActive():
self.timer.stop()
self.time_end = datetime.now()
self.q('''
INSERT INTO tt
(time_begin,time_end,description,note)
VALUES
('%d','%d','%s','%s')
''' % ( int(mktime(self.time_begin.timetuple())), int(mktime(self.time_end.timetuple())), self.descriptionInput.text(), self.noteInput.text() ))
self.noteInput.clear()
self.updateTplTable()
self.updateDescriptionEditCompleter()
self.startStopButton.setText('Start')
self.sync()
else:
self.time_begin = datetime.now()
self.timer.start()
self.onTimer()
def onAboutAppAction(self):
QMessageBox.about(self, self.tr("&about"), self.tr("%1 version %2").arg(QApplication.applicationName()).arg(QApplication.applicationVersion()))
def onAboutQtAction(self):
QMessageBox.aboutQt(self, self.tr("&about"))
def checkSync(self):
if self.sync_active:
QMessageBox.information(self, 'Information', '''Sync is currently active. Please wait until it's finished''')
return False
else:
return True
def onSettings(self):
if not self.checkSync():
return
settings = self.fetchSettings()
inp = SettingsWidget(settings, self)
if inp.exec_():
for key in inp.data():
if type( inp.data()[key] ) == bytes:
value = inp.data()[key].decode( 'UTF-8' )
else:
value = inp.data()[key]
self.q( '''REPLACE INTO settings VALUES ('%s','%s')''' % ( key, value ) )
try: dr = settings['displayrows']
except: dr = None
if dr != inp.data()['displayrows']:
QMessageBox.information(self, 'displayrows changed...', 'exiting now.')
sys.exit(0)
self.settings = self.fetchSettings()
def onImport(self):
if not self.checkSync():
return
ImportWidget( self.db_path, self ).exec_()
self.updateTplTable()
self.updateDescriptionEditCompleter()
def fetchSettings(self):
s = {}
self.q( 'SELECT key,value FROM settings' )
for key,value in self.cursor.fetchall():
s[key] = value
return s
def getSetting(self,key,default = None):
try:
v = self.settings[key]
except:
if default != None:
v = default
else:
v = ''
return v
class PollingKeyboardMonitor(AbstractKeyboardMonitor):
"""
Monitor the keyboard for state changes by constantly polling the keyboard.
"""
#: default polling interval
DEFAULT_POLLDELAY = 200
#: size of the X11 keymap array
_KEYMAP_SIZE = 32
def __init__(self, parent=None):
AbstractKeyboardMonitor.__init__(self, parent)
self._keyboard_was_active = False
self._old_keymap = array(b'B', b'\0' * 32)
self._keyboard_timer = QTimer(self)
self._keyboard_timer.timeout.connect(self._check_keyboard_activity)
self._keyboard_timer.setInterval(self.DEFAULT_POLLDELAY)
self._activity = QTime()
self._keys_to_ignore = self.IGNORE_NO_KEYS
self._keymap_mask = self._setup_mask()
self._idle_time = self.DEFAULT_IDLETIME
@property
def is_running(self):
return self._keyboard_timer.isActive()
def start(self):
self._keyboard_timer.start()
self.started.emit()
def stop(self):
AbstractKeyboardMonitor.stop(self)
self._keyboard_timer.stop()
self.stopped.emit()
@property
def keys_to_ignore(self):
return self._keys_to_ignore
@keys_to_ignore.setter
def keys_to_ignore(self, value):
if not (self.IGNORE_NO_KEYS <= value <= self.IGNORE_MODIFIER_COMBOS):
raise ValueError('unknown constant for keys_to_ignore')
self._keys_to_ignore = value
self._keymap_mask = self._setup_mask()
@property
def idle_time(self):
return self._idle_time / 1000
@idle_time.setter
def idle_time(self, value):
self._idle_time = int(value * 1000)
def _setup_mask(self):
mask = array(b'B', b'\xff' * 32)
if self._keys_to_ignore >= self.IGNORE_MODIFIER_KEYS:
modifier_mappings = xlib.get_modifier_mapping(self.display)
for modifier_keys in modifier_mappings:
for keycode in modifier_keys:
mask[keycode // 8] &= ~(1 << (keycode % 8))
return mask
@property
def keyboard_active(self):
is_active = False
_, raw_keymap = xlib.query_keymap(self.display)
keymap = array(b'B', raw_keymap)
is_active = keymap != self._old_keymap
for new_state, old_state, mask in izip(keymap, self._old_keymap,
self._keymap_mask):
is_active = new_state & ~old_state & mask
if is_active:
break
if self._keys_to_ignore == self.IGNORE_MODIFIER_COMBOS:
for state, mask in izip(keymap, self._keymap_mask):
if state & ~mask:
is_active = False
break
self._old_keymap = keymap
return is_active
def _check_keyboard_activity(self):
if self.keyboard_active:
self._activity.start()
if not self._keyboard_was_active:
self._keyboard_was_active = True
self.typingStarted.emit()
elif self._activity.elapsed() > self._idle_time and \
self._keyboard_was_active:
self._keyboard_was_active = False
self.typingStopped.emit()
class QueueManager(QObject):
# Always create thread from the main thread
newItem = pyqtSignal(object)
newError = pyqtSignal(object)
newErrorGiveUp = pyqtSignal(object)
queueEmpty = pyqtSignal()
queueProcessing = pyqtSignal()
queueFinishedProcessing = pyqtSignal()
# Only used by Unit Test
_disable = False
'''
classdocs
'''
def __init__(self, engine, dao, max_file_processors=(0, 0, 5)):
'''
Constructor
'''
super(QueueManager, self).__init__()
self._dao = dao
self._engine = engine
self._local_folder_queue = Queue()
self._local_file_queue = Queue()
self._remote_file_queue = Queue()
self._remote_folder_queue = Queue()
self._connected = local()
self._local_folder_enable = True
self._local_file_enable = True
self._remote_folder_enable = True
self._remote_file_enable = True
self._local_folder_thread = None
self._local_file_thread = None
self._remote_folder_thread = None
self._remote_file_thread = None
self._error_threshold = ERROR_THRESHOLD
self._error_interval = 60
self._max_local_processors = 0
self._max_remote_processors = 0
self._max_generic_processors = 0
self.set_max_processors(max_file_processors)
self._threads_pool = list()
self._processors_pool = list()
self._get_file_lock = Lock()
# Should not operate on thread while we are inspecting them
'''
This error required to add a lock for inspecting threads, as the below Traceback shows the processor thread was ended while the method was running
Traceback (most recent call last):
File "/Users/hudson/tmp/workspace/FT-nuxeo-drive-master-osx/nuxeo-drive-client/nxdrive/engine/watcher/local_watcher.py", line 845, in handle_watchdog_event
self.scan_pair(rel_path)
File "/Users/hudson/tmp/workspace/FT-nuxeo-drive-master-osx/nuxeo-drive-client/nxdrive/engine/watcher/local_watcher.py", line 271, in scan_pair
self._suspend_queue()
File "/Users/hudson/tmp/workspace/FT-nuxeo-drive-master-osx/nuxeo-drive-client/nxdrive/engine/watcher/local_watcher.py", line 265, in _suspend_queue
for processor in self._engine.get_queue_manager().get_processors_on('/', exact_match=False):
File "/Users/hudson/tmp/workspace/FT-nuxeo-drive-master-osx/nuxeo-drive-client/nxdrive/engine/queue_manager.py", line 413, in get_processors_on
res.append(self._local_file_thread.worker)
AttributeError: 'NoneType' object has no attribute 'worker'
'''
self._thread_inspection = Lock()
# ERROR HANDLING
self._error_lock = Lock()
self._on_error_queue = BlacklistQueue(delay=DEFAULT_DELAY)
self._error_timer = QTimer()
# TODO newErrorGiveUp signal is not connected
self._error_timer.timeout.connect(self._on_error_timer)
self.newError.connect(self._on_new_error)
self.queueProcessing.connect(self.launch_processors)
# LAST ACTION
self._dao.register_queue_manager(self)
def init_processors(self):
log.trace("Init processors")
self.newItem.connect(self.launch_processors)
self.queueProcessing.emit()
def shutdown_processors(self):
log.trace("Shutdown processors")
try:
self.newItem.disconnect(self.launch_processors)
except TypeError:
# TypeError: disconnect() failed between 'newItem' and 'launch_processors'
pass
def init_queue(self, queue):
# Dont need to change modify as State is compatible with QueueItem
for item in queue:
self.push(item)
def _copy_queue(self, queue):
result = deepcopy(queue.queue)
result.reverse()
return result
def set_max_processors(self, max_file_processors):
max_local_processors = max_file_processors[0]
max_remote_processors = max_file_processors[1]
max_generic_processors = max_file_processors[2]
if max_local_processors < 1:
max_local_processors = 1
if max_remote_processors < 1:
max_remote_processors = 1
if max_generic_processors < 2:
max_generic_processors = 2
self._max_local_processors = max_local_processors - 1
self._max_remote_processors = max_remote_processors - 1
self._max_generic_processors = max_generic_processors - 2
log.trace('number of additional processors: %d local, %d remote, %d generic',
self._max_local_processors, self._max_remote_processors, self._max_generic_processors)
def resume(self):
log.debug("Resuming queue")
self.enable_local_file_queue(True, False)
self.enable_local_folder_queue(True, False)
self.enable_remote_file_queue(True, False)
self.enable_remote_folder_queue(True, False)
self.queueProcessing.emit()
def is_paused(self):
return (not self._local_file_enable or
not self._local_folder_enable or
not self._remote_file_enable or
not self._remote_folder_enable)
def suspend(self):
log.debug("Suspending queue")
self.enable_local_file_queue(False)
self.enable_local_folder_queue(False)
self.enable_remote_file_queue(False)
self.enable_remote_folder_queue(False)
def restart(self, num_processors=None, wait=False):
if num_processors is not None:
assert sum(num_processors) <= MAX_NUMBER_PROCESSORS, \
'total number of additional processors must be %d or less' % MAX_NUMBER_PROCESSORS
# stop new items from being processed
self.shutdown_processors()
# attempt to stop current processors
if self._local_file_thread is not None:
self._local_file_thread.worker.stop()
if self._local_folder_thread is not None:
self._local_folder_thread.worker.stop()
if self._remote_file_thread is not None:
self._remote_file_thread.worker.stop()
if self._remote_folder_thread is not None:
self._remote_folder_thread.worker.stop()
for p in self._processors_pool:
p.worker.stop()
if wait:
while self.is_active():
QCoreApplication.processEvents()
sleep(0.1)
self.set_max_processors(num_processors)
# re-enable new items to trigger processing
self.init_processors()
# launch processors for new items in the queue, if any
self.launch_processors()
def enable_local_file_queue(self, value=True, emit=True):
self._local_file_enable = value
if self._local_file_thread is not None and not value:
self._local_file_thread.quit()
if value and emit:
self.queueProcessing.emit()
def enable_local_folder_queue(self, value=True, emit=True):
self._local_folder_enable = value
if self._local_folder_thread is not None and not value:
self._local_folder_thread.quit()
if value and emit:
self.queueProcessing.emit()
def enable_remote_file_queue(self, value=True, emit=True):
self._remote_file_enable = value
if self._remote_file_thread is not None and not value:
self._remote_file_thread.quit()
if value and emit:
self.queueProcessing.emit()
def enable_remote_folder_queue(self, value=True, emit=True):
self._remote_folder_enable = value
if self._remote_folder_thread is not None and not value:
self._remote_folder_thread.quit()
if value and emit:
self.queueProcessing.emit()
def get_local_file_queue(self):
return self._copy_queue(self._local_file_queue)
def get_remote_file_queue(self):
return self._copy_queue(self._remote_file_queue)
def get_local_folder_queue(self):
return self._copy_queue(self._local_folder_queue)
def get_remote_folder_queue(self):
return self._copy_queue(self._remote_folder_queue)
def push_ref(self, row_id, folderish, pair_state):
self.push(QueueItem(row_id, folderish, pair_state))
def push(self, state):
if state.pair_state is None:
log.trace("Don't push an empty pair_state: %r", state)
return
log.trace("Pushing %r", state)
row_id = state.id
if state.pair_state.startswith('locally'):
if state.folderish:
self._local_folder_queue.put(state)
log.trace('Pushed to _local_folder_queue, now of size: %d', self._local_folder_queue.qsize())
else:
if "deleted" in state.pair_state:
self._engine.cancel_action_on(state.id)
self._local_file_queue.put(state)
log.trace('Pushed to _local_file_queue, now of size: %d', self._local_file_queue.qsize())
self.newItem.emit(row_id)
elif state.pair_state.startswith('remotely'):
if state.folderish:
self._remote_folder_queue.put(state)
log.trace('Pushed to _remote_folder_queue, now of size: %d', self._remote_folder_queue.qsize())
else:
if "deleted" in state.pair_state:
self._engine.cancel_action_on(state.id)
self._remote_file_queue.put(state)
log.trace('Pushed to _remote_file_queue, now of size: %d', self._remote_file_queue.qsize())
self.newItem.emit(row_id)
else:
# deleted and conflicted
log.debug("Not processable state: %r", state)
@pyqtSlot()
def _on_error_timer(self):
for item in self._on_error_queue.process_items():
doc_pair = item.get()
queueItem = QueueItem(doc_pair.id, doc_pair.folderish, doc_pair.pair_state)
log.debug('Retrying blacklisted doc_pair: %r', doc_pair)
self.push(queueItem)
if self._on_error_queue.is_empty():
self._error_timer.stop()
log.debug('blacklist queue timer stopped')
def _is_on_error(self, row_id):
return self._on_error_queue.exists(row_id)
@pyqtSlot()
def _on_new_error(self):
self._error_timer.start(1000)
log.debug('blacklist queue timer started')
def get_errors_count(self):
return self._on_error_queue.size()
def get_error_threshold(self):
return self._error_threshold
def push_error(self, doc_pair, exception=None):
error_count = doc_pair.error_count
if (exception is not None and type(exception) == WindowsError
and hasattr(exception, 'winerror') and exception.winerror == WINERROR_CODE_PROCESS_CANNOT_ACCESS_FILE):
log.debug("Detected WindowsError with code %d: '%s', won't increase next try interval",
WINERROR_CODE_PROCESS_CANNOT_ACCESS_FILE,
exception.strerror if hasattr(exception, 'strerror') else '')
error_count = 1
if error_count > self._error_threshold:
self._on_error_queue.remove(doc_pair.id)
# TODO this signal is not connected
self.newErrorGiveUp.emit(doc_pair.id)
log.debug("Giving up on pair : %r", doc_pair)
return
interval = self._on_error_queue.push(doc_pair.id, doc_pair, count=doc_pair.error_count)
log.debug("Blacklisting pair for %ds (error count=%d): %r", interval, doc_pair.error_count, doc_pair)
if not self._error_timer.isActive():
self.newError.emit(doc_pair.id)
def requeue_errors(self):
for doc_pair in self._on_error_queue.items():
doc_pair.error_next_try = 0
def _get_local_folder(self):
if self._local_folder_queue.empty():
return None
try:
state = self._local_folder_queue.get(True, 3)
except Empty:
return None
if state is not None and self._is_on_error(state.id):
return self._get_local_folder()
return state
def _get_local_file(self):
if self._local_file_queue.empty():
return None
try:
state = self._local_file_queue.get(True, 3)
except Empty:
return None
if state is not None and self._is_on_error(state.id):
return self._get_local_file()
return state
def _get_remote_folder(self):
if self._remote_folder_queue.empty():
return None
try:
state = self._remote_folder_queue.get(True, 3)
except Empty:
return None
if state is not None and self._is_on_error(state.id):
return self._get_remote_folder()
return state
def _get_remote_file(self):
if self._remote_file_queue.empty():
return None
try:
state = self._remote_file_queue.get(True, 3)
except Empty:
return None
if state is not None and self._is_on_error(state.id):
return self._get_remote_file()
return state
def _get_file(self):
self._get_file_lock.acquire()
if self._remote_file_queue.empty() and self._local_file_queue.empty():
self._get_file_lock.release()
return None
state = None
if (self._remote_file_queue.qsize() > self._local_file_queue.qsize()):
state = self._get_remote_file()
else:
state = self._get_local_file()
self._get_file_lock.release()
if state is not None and self._is_on_error(state.id):
return self._get_file()
return state
@pyqtSlot()
def _thread_finished(self):
self._thread_inspection.acquire()
try:
for thread in self._processors_pool:
if thread.isFinished():
self._processors_pool.remove(thread)
QueueManager.clear_client_transfer_stats(thread.worker.get_thread_id())
if (self._local_folder_thread is not None and
self._local_folder_thread.isFinished()):
self._local_folder_thread = None
if (self._local_file_thread is not None and
self._local_file_thread.isFinished()):
self._local_file_thread = None
if (self._remote_folder_thread is not None and
self._remote_folder_thread.isFinished()):
self._remote_folder_thread = None
if (self._remote_file_thread is not None and
self._remote_file_thread.isFinished()):
self._remote_file_thread = None
if not self._engine.is_paused() and not self._engine.is_stopped():
self.newItem.emit(None)
finally:
self._thread_inspection.release()
def active(self):
# Recheck threads
self._thread_finished()
return self.is_active()
def is_active(self):
return (self._local_folder_thread is not None
or self._local_file_thread is not None
or self._remote_file_thread is not None
or self._remote_folder_thread is not None
or len(self._processors_pool) > 0)
def _create_thread(self, item_getter, name=None):
processor = self._engine.create_processor(item_getter, name=name)
thread = self._engine.create_thread(worker=processor)
thread.finished.connect(self._thread_finished)
thread.terminated.connect(self._thread_finished)
thread.start()
return thread
def get_metrics(self):
metrics = dict()
metrics["local_folder_queue"] = self._local_folder_queue.qsize()
metrics["local_file_queue"] = self._local_file_queue.qsize()
metrics["remote_folder_queue"] = self._remote_folder_queue.qsize()
metrics["remote_file_queue"] = self._remote_file_queue.qsize()
metrics["remote_file_thread"] = self._remote_file_thread is not None
metrics["remote_folder_thread"] = self._remote_folder_thread is not None
metrics["local_file_thread"] = self._local_file_thread is not None
metrics["local_folder_thread"] = self._local_folder_thread is not None
metrics["error_queue"] = self.get_errors_count()
metrics["total_queue"] = (metrics["local_folder_queue"] + metrics["local_file_queue"]
+ metrics["remote_folder_queue"] + metrics["remote_file_queue"])
metrics["additional_processors"] = len(self._processors_pool)
return metrics
def get_overall_size(self):
return (self._local_folder_queue.qsize() + self._local_file_queue.qsize()
+ self._remote_folder_queue.qsize() + self._remote_file_queue.qsize())
def is_processing_file(self, worker, path, exact_match=False):
if not hasattr(worker, "_current_doc_pair"):
return False
doc_pair = worker._current_doc_pair
if (doc_pair is None or doc_pair.local_path is None):
return False
if exact_match:
result = doc_pair.local_path == path
else:
result = doc_pair.local_path.startswith(path)
if result:
log.trace("Worker(%r) is processing: %r", worker.get_metrics(), path)
return result
def interrupt_processors_on(self, path, exact_match=True):
for proc in self.get_processors_on(path, exact_match):
proc.stop()
def get_processors_on(self, path, exact_match=True):
self._thread_inspection.acquire()
try:
res = []
if self._local_folder_thread is not None:
if self.is_processing_file(self._local_folder_thread.worker, path, exact_match):
res.append(self._local_folder_thread.worker)
if self._remote_folder_thread is not None:
if self.is_processing_file(self._remote_folder_thread.worker, path, exact_match):
res.append(self._remote_folder_thread.worker)
if self._local_file_thread is not None:
if self.is_processing_file(self._local_file_thread.worker, path, exact_match):
res.append(self._local_file_thread.worker)
if self._remote_file_thread is not None:
if self.is_processing_file(self._remote_file_thread.worker, path, exact_match):
res.append(self._remote_file_thread.worker)
for thread in self._processors_pool:
if self.is_processing_file(thread.worker, path, exact_match):
res.append(thread.worker)
return res
finally:
self._thread_inspection.release()
def has_file_processors_on(self, path):
self._thread_inspection.acquire()
try:
# First check local and remote file
if self._local_file_thread is not None:
if self.is_processing_file(self._local_file_thread.worker, path):
return True
if self._remote_file_thread is not None:
if self.is_processing_file(self._remote_file_thread.worker, path):
return True
for thread in self._processors_pool:
if self.is_processing_file(thread.worker, path):
return True
return False
finally:
self._thread_inspection.release()
@pyqtSlot()
def launch_processors(self):
if (self._disable or self.is_paused() or (self._local_folder_queue.empty() and self._local_file_queue.empty()
and self._remote_folder_queue.empty() and self._remote_file_queue.empty())):
self.queueEmpty.emit()
if not self.is_active():
self.queueFinishedProcessing.emit()
return
log.trace("Launching processors")
if not (self._local_folder_queue.empty() and self._local_file_queue.empty()):
if self._local_folder_thread is None and not self._local_folder_queue.empty() and self._local_folder_enable:
log.debug("creating local folder processor")
self._local_folder_thread = self._create_thread(self._get_local_folder, name="LocalFolderProcessor")
if self._local_file_thread is None and not self._local_file_queue.empty() and self._local_file_enable:
log.debug("creating local file processor")
self._local_file_thread = self._create_thread(self._get_local_file, name="LocalFileProcessor")
if not (self._remote_folder_queue.empty() and self._remote_file_queue.empty()):
if self._remote_folder_thread is None and not self._remote_folder_queue.empty() and self._remote_folder_enable:
log.debug("creating remote folder processor")
self._remote_folder_thread = self._create_thread(self._get_remote_folder, name="RemoteFolderProcessor")
if self._remote_file_thread is None and not self._remote_file_queue.empty() and self._remote_file_enable:
log.debug("creating remote file processor")
self._remote_file_thread = self._create_thread(self._get_remote_file, name="RemoteFileProcessor")
if self._remote_file_queue.qsize() + self._local_file_queue.qsize() == 0:
return
count = 0
# log.trace('processor pool: %s', ','.join([t.worker.get_name() for t in self._processors_pool]))
log.trace('max generic processors: %d', self._max_generic_processors)
log.trace('max remote processors: %d', self._max_remote_processors)
log.trace('max local processors: %d', self._max_local_processors)
if not (self._local_file_queue.empty() and self._remote_file_queue.empty()):
while len([t for t in self._processors_pool if t.worker.get_name() == "GenericProcessor"]) < self._max_generic_processors:
self._processors_pool.append(self._create_thread(self._get_file, name="GenericProcessor"))
count += 1
if count > 0:
log.trace("created %d additional file processor%s", count, 's' if count > 1 else '')
count = 0
if not self._remote_file_queue.empty():
while len([t for t in self._processors_pool if t.worker.get_name() == "RemoteFileProcessor"]) < self._max_remote_processors:
self._processors_pool.append(self._create_thread(self._get_remote_file, name="RemoteFileProcessor"))
count += 1
if count > 0:
log.trace("created %d additional remote file processor%s", count, 's' if count > 1 else '')
count = 0
if not self._local_file_queue.empty():
while len([t for t in self._processors_pool if t.worker.get_name() == "LocalFileProcessor"]) < self._max_local_processors:
self._processors_pool.append(self._create_thread(self._get_local_file, name="LocalFileProcessor"))
count += 1
if count > 0:
log.trace("created %d additional local file processor%s", count, 's' if count > 1 else '')
@staticmethod
def clear_client_transfer_stats(thread_id):
if hasattr(BaseAutomationClient, 'download_stats') and BaseAutomationClient.download_stats is not None:
BaseAutomationClient.download_stats.clear(thread_id)
if hasattr(BaseAutomationClient, 'upload_stats') and BaseAutomationClient.upload_stats is not None:
BaseAutomationClient.upload_stats.clear(thread_id)
if hasattr(BaseAutomationClient, 'download_token_bucket') and \
BaseAutomationClient.download_token_bucket is not None:
BaseAutomationClient.download_token_bucket.clear(thread_id)
if hasattr(BaseAutomationClient, 'upload_token_bucket') and \
BaseAutomationClient.upload_token_bucket is not None:
BaseAutomationClient.upload_token_bucket.clear(thread_id)
class CanvasView(QGraphicsView):
"""Canvas View handles the zooming and panning.
"""
def __init__(self, *args):
QGraphicsView.__init__(self, *args)
self.setAlignment(Qt.AlignTop | Qt.AlignLeft)
self.__autoScroll = False
self.__autoScrollMargin = 16
self.__autoScrollTimer = QTimer(self)
self.__autoScrollTimer.timeout.connect(self.__autoScrollAdvance)
def setScene(self, scene):
QGraphicsView.setScene(self, scene)
self._ensureSceneRect(scene)
def _ensureSceneRect(self, scene):
r = scene.addRect(QRectF(0, 0, 400, 400))
scene.sceneRect()
scene.removeItem(r)
def setAutoScrollMargin(self, margin):
self.__autoScrollMargin = margin
def autoScrollMargin(self):
return self.__autoScrollMargin
def setAutoScroll(self, enable):
self.__autoScroll = enable
def autoScroll(self):
return self.__autoScroll
def mousePressEvent(self, event):
QGraphicsView.mousePressEvent(self, event)
def mouseMoveEvent(self, event):
if event.buttons() & Qt.LeftButton:
if not self.__autoScrollTimer.isActive() and \
self.__shouldAutoScroll(event.pos()):
self.__startAutoScroll()
QGraphicsView.mouseMoveEvent(self, event)
def mouseReleaseEvent(self, event):
if event.button() & Qt.LeftButton:
self.__stopAutoScroll()
return QGraphicsView.mouseReleaseEvent(self, event)
def __shouldAutoScroll(self, pos):
if self.__autoScroll:
margin = self.__autoScrollMargin
viewrect = self.contentsRect()
rect = viewrect.adjusted(margin, margin, -margin, -margin)
# only do auto scroll when on the viewport's margins
return not rect.contains(pos) and viewrect.contains(pos)
else:
return False
def __startAutoScroll(self):
self.__autoScrollTimer.start(10)
log.debug("Auto scroll timer started")
def __stopAutoScroll(self):
if self.__autoScrollTimer.isActive():
self.__autoScrollTimer.stop()
log.debug("Auto scroll timer stopped")
def __autoScrollAdvance(self):
"""Advance the auto scroll
"""
pos = QCursor.pos()
pos = self.mapFromGlobal(pos)
margin = self.__autoScrollMargin
vvalue = self.verticalScrollBar().value()
hvalue = self.horizontalScrollBar().value()
vrect = QRect(0, 0, self.width(), self.height())
# What should be the speed
advance = 10
# We only do auto scroll if the mouse is inside the view.
if vrect.contains(pos):
if pos.x() < vrect.left() + margin:
self.horizontalScrollBar().setValue(hvalue - advance)
if pos.y() < vrect.top() + margin:
self.verticalScrollBar().setValue(vvalue - advance)
if pos.x() > vrect.right() - margin:
self.horizontalScrollBar().setValue(hvalue + advance)
if pos.y() > vrect.bottom() - margin:
self.verticalScrollBar().setValue(vvalue + advance)
if self.verticalScrollBar().value() == vvalue and \
self.horizontalScrollBar().value() == hvalue:
self.__stopAutoScroll()
else:
self.__stopAutoScroll()
log.debug("Auto scroll advance")
class CustomCodeFrame(QFrame):
poke_code = pyqtSignal(str, int, QByteArray) # code_set_label, code_id, new_bytes
log = pyqtSignal(str, str) # msg, color
def __init__(self, code_set, parent=None):
super(CustomCodeFrame, self).__init__(parent)
self.cs = code_set
self.tmr_reset_bg_clr = QTimer(self)
self.tmr_reset_bg_clr.setInterval(500) # ms
self.tmr_reset_bg_clr.timeout.connect(self.resetBGColor)
self.txt_label = QLineEdit(self)
self.txt_label.setMaximumWidth(160)
self.txt_label.setPlaceholderText('Label')
self.txt_codes = QPlainTextEdit(self)
self.txt_codes.setMaximumHeight(66)
font = QFont('Monospace')
font.setStyleHint(QFont.TypeWriter)
self.txt_codes.setFont(font)
self.txt_codes.cursorPositionChanged.connect(self.resetBGColor)
icon_height = self.txt_label.height()*8/15
self.btn_poke = QPushButton(self)
self.btn_poke.setIcon(QIcon('img/flaticon/draw39.png'))
self.btn_poke.setIconSize(QSize(icon_height, icon_height))
self.btn_poke.setFixedSize(QSize(icon_height*1.5, icon_height*1.5))
self.btn_poke.setAutoFillBackground(True)
self.btn_poke.setStyleSheet('background-color: white')
self.btn_poke.setToolTip('Poke memory')
self.btn_poke.clicked.connect(self.onPoke)
self.layout = QHBoxLayout(self)
self.layout.addWidget(self.txt_label)
self.layout.setAlignment(self.txt_label, Qt.AlignTop)
self.layout.addWidget(self.txt_codes)
self.layout.setAlignment(self.txt_codes, Qt.AlignTop)
self.layout.addWidget(self.btn_poke)
self.layout.setAlignment(self.btn_poke, Qt.AlignTop)
self.layout.setContentsMargins(0, 2, 0, 2)
def setAlternateBGColor(self):
self.setStyleSheet('CustomCodeFrame { background-color:rgb(248,248,248) }')
def setErrorBGColor(self):
self.txt_codes.setStyleSheet('background-color: rgb(255,128,128)')
self.tmr_reset_bg_clr.start()
def resetBGColor(self):
if self.tmr_reset_bg_clr.isActive():
self.tmr_reset_bg_clr.stop()
self.txt_codes.setStyleSheet('background-color: white')
@pyqtSlot()
def onPoke(self):
try:
parse_custom_codes(self.cs, str(self.txt_codes.toPlainText()))
except SyntaxError, e:
self.log.emit(str(e), 'red')
self.setErrorBGColor()
return
if len(self.cs.c) <= 0:
self.log.emit('POKE failed: no codes found', 'red')
self.setErrorBGColor()
return
# Sequentially poke codes
for code in self.cs.c:
raw_bytes = struct.pack('>Q', code.dft_value)[-code.num_bytes:]
self.poke_code.emit(code.label, code.id, QByteArray(raw_bytes))
class Panel(QWidget):
def __init__(self,parent=None,instr=None,lock=None,title='Instrument Panel'):
# This class derivates from a Qt Widget so we have to call
# the class builder ".__init__()"
QWidget.__init__(self)
# "self" is now a Qt Widget, then we load the user interface
# generated with QtDesigner and call it self.ui
self.ui = SR830_Ui.Ui_Panel()
# Now we have to feed the GUI building method of this object (self.ui)
# with the current Qt Widget 'self', but the widgets from the design will actually be built as children
# of the object self.ui
self.ui.setupUi(self)
self.setWindowTitle(title)
self.reserved_access_to_instr=lock
self.instr=instr
self.monitor_timer = QTimer()
self.channel=self.ui.channel.currentIndex()
#The timer would not wait for the completion of the task otherwise
self.monitor_timer.setSingleShot(True)
self.monitor_timer.timeout.connect(self.monitor)
self.firsttime=0
#bug: if the box is checked in the .ui file, the system freezes
#if self.ui.monitor.isChecked():self.monitor()
def update_boxes(self):
with self.reserved_access_to_instr:
#There are two signals emitted if the current item of a combobox changes,
#PySide.QtGui.QComboBox.currentIndexChanged() and PySide.QtGui.QComboBox.activated().
#PySide.QtGui.QComboBox.currentIndexChanged() is always emitted regardless
#if the change was done programmatically or by user interaction,
#while PySide.QtGui.QComboBox.activated() is only emitted when the change is caused by user interaction.
self.ui.sense.setCurrentIndex(self.instr.query_sensitivity())
self.ui.TC.setCurrentIndex(self.instr.query_time_cste())
self.ui.filter.setCurrentIndex(self.instr.query_filter_slop())
self.ui.channel.setCurrentIndex(self.instr.query_ch1_display())
self.ch1=self.ui.channel.currentText()
self.ui.channel_2.setCurrentIndex(self.instr.query_ch2_display())
self.ch2=self.ui.channel_2.currentText()
self.ui.ref_source.setCurrentIndex(self.instr.query_ref_mode())
def monitor(self,state=1):
if state!=1:
self.monitor_timer.stop()
self.firsttime=0
elif state and not(self.monitor_timer.isActive()):
self.firsttime+=1
if self.firsttime==1:self.update_boxes()
with self.reserved_access_to_instr:
x,y=self.instr.query_ch1_ch2(self.ch1,self.ch2)
self.ui.x_disp.setText(str(x))
self.ui.y_disp.setText(str(y))
self.ui.f_disp.setText(str(self.instr.query_frequency())+' Hz')
self.ui.a_disp.setText(str(self.instr.query_amplitude())+' V')
self.ui.ph_disp.setText(str(self.instr.query_phase())+' deg')
self.monitor_timer.start(self.ui.refresh_rate.value()*1000)
def update_timer_timeout(self,secs):
#The value must be converted to milliseconds
self.monitor_timer.setInterval(secs*1000)
def change_f(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_frequency(value)
def change_A(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_amplitude(value)
def change_ph(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_amplitude(value)
def change_x(self,value):
with self.reserved_access_to_instr:
self.instr.set_ch1_display(value)
self.ch1=value#self.instr.query_ch1_display()
def change_y(self,value):
with self.reserved_access_to_instr:
self.instr.set_ch2_display(value)
self.ch2=value#self.instr.query_ch2_display()
def change_s(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_sensitivity(value)
def change_TC(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_time_cste(value)
def change_filter(self,value=0):
with self.reserved_access_to_instr:
self.instr.set_filter_slop(value)
def change_ref(self,value='Internal'):
with self.reserved_access_to_instr:
self.instr.set_ref_mode(value)
class SleepTimer(QWidget):
'''
A resizable Widget with two Spinboxes Labeled with "h" and "min", also a Time-bomb containing a countdownclock.
If a spinbox is changed, start is triggered. After 2 Seconds, countdown is startet.
When countdown ends, signal "sleepTimerelapsed()" is emitted.
'''
sleepTimerelapsed = pyqtSignal()
sleepTimertenseconds = pyqtSignal()
def __init__(self, parent=None):
super(SleepTimer, self).__init__(parent)
self.forceSpinBoxWidget = global_vars.configuration.get("GENERAL").get("sleeptimerdigitalspinbox")
self.setStyleSheet("SleepTimer {"
"background-color: rgb(76, 76, 76);"
"color: rgb(240, 240, 240);"
"}"
"QLabel {"
"color: white;"
"}"
"QSpinBox {"
"padding-right: 10px; /* make room for the arrows */"
"border-width: 3;"
"}"
"QSpinBox::up-button {"
"width: 26px;"
"}"
"QSpinBox::down-button {"
"width: 26px;"
"}"
)
self.value = 0 # the value is calculated in self.active (calculated seconds in total)
self.isActive = False
if self.forceSpinBoxWidget:
self.sb_hours = LeadingZeroSpinBox()
self.sb_hours.setRange(0,23)
self.sb_hours.setAlignment(Qt.AlignCenter)
self.sb_hours.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
else:
self.sb_hours = QDeclarativeView()
self.sb_hours.setSource(QUrl(os.path.join(cwd,'sb_hours.qml')))
self.sb_hours.setResizeMode(QDeclarativeView.SizeViewToRootObject)
self.sb_hours.setStyleSheet("background:transparent;")
self.sb_hours.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.sb_hours_obj = self.sb_hours.rootObject().findChild(QObject, "spinner")
self.sb_hours_value = QDeclarativeProperty(self.sb_hours.rootObject().findChild(QDeclarativeItem, name="spinner"),"currentIndex")
if self.forceSpinBoxWidget:
self.sb_minutes = LeadingZeroSpinBox()
self.sb_minutes.setRange(0,59)
self.sb_minutes.setAlignment(Qt.AlignCenter)
self.sb_minutes.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
else:
self.sb_minutes = QDeclarativeView()
self.sb_minutes.setSource(QUrl(os.path.join(cwd,'sb_minutes.qml')))
self.sb_minutes.setResizeMode(QDeclarativeView.SizeViewToRootObject)
self.sb_minutes.setStyleSheet("background:transparent;")
self.sb_minutes.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.sb_minutes_obj = self.sb_minutes.rootObject().findChild(QObject, "spinner")
self.sb_minutes_value = QDeclarativeProperty(self.sb_minutes.rootObject().findChild(QDeclarativeItem, name="spinner"),"currentIndex")
tmpFont = QFont()
tmpFont.setPointSize(18)
self.lbl_hours = QLabel(QString("h"))
self.lbl_hours.setFont(tmpFont)
self.lbl_minutes = QLabel(QString("min"))
self.lbl_minutes.setFont(tmpFont)
# Load QML Widget Bomb
self.bomb = QDeclarativeView()
self.bomb.setSource(QUrl(os.path.join(cwd,'timebomb.qml')))
self.bomb.setResizeMode(QDeclarativeView.SizeViewToRootObject)
#self.bomb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.bomb.setStyleSheet("background:transparent;")
self.bomb_text = QDeclarativeProperty(self.bomb.rootObject().findChild(QDeclarativeItem, name="counter_text"),"text")
#setup layouts
tmpLayout = QHBoxLayout()
tmpLayout.addSpacerItem(QSpacerItem(40, 40, QSizePolicy.Expanding))
tmpLayout.addWidget(self.sb_hours)
tmpLayout.addWidget(self.lbl_hours)
tmpLayout.addWidget(self.sb_minutes)
tmpLayout.addWidget(self.lbl_minutes)
tmpLayout.addSpacerItem(QSpacerItem(40, 40, QSizePolicy.Expanding))
tmp2Layout = QVBoxLayout()
tmp2Layout.addLayout(tmpLayout)
tmp2Layout.addWidget(self.bomb)
tmp2Layout.addSpacerItem(QSpacerItem(40, 40, QSizePolicy.Expanding))
self.setLayout(tmp2Layout)
self.blockValueSignal = False # if this is true, valueChanged signal is not evaluated
if self.forceSpinBoxWidget:
self.sb_hours.valueChanged.connect(self.onValueChanged)
self.sb_minutes.valueChanged.connect(self.onValueChanged)
else:
self.sb_hours_obj.currentIndexChanged.connect(self.onValueChanged)
self.sb_minutes_obj.currentIndexChanged.connect(self.onValueChanged)
# setup Timer which is started as soon as a value is changed in any of the spinboxes
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.setInterval(2000) # 2 seconds until timer starts automatically
self.connect(self.timer, SIGNAL("timeout()"), self.activate)
#setup Timer which is a second-timer. It is startet with the self.timer (see self.active)
self.countDown = QTimer()
self.countDown.setInterval(1000) #sec
self.connect(self.countDown, SIGNAL("timeout()"), self.check)
def onValueChanged(self):
if self.forceSpinBoxWidget:
value_sb_hours = self.sb_hours.value()
value_sb_minutes = self.sb_minutes.value()
else:
value_sb_hours = self.sb_hours_value.read().toInt()[0]
value_sb_minutes = self.sb_minutes_value.read().toInt()[0]
if self.blockValueSignal:
return
if value_sb_hours == 0 and value_sb_minutes == 0:
print("Stop Timer")
self.bomb_text.write("Abbruch")
self.timer.stop()
self.countDown.stop()
self.isActive = False
return
if self.countDown.isActive():
self.countDown.stop()
if self.timer.isActive():
self.timer.stop()
self.timer.start()
else:
self.timer.start()
def activate(self):
#print("Activated")
self.isActive = True
self.countDown.start()
if self.forceSpinBoxWidget:
self.value = self.sb_hours.value() * 60 * 60 + self.sb_minutes.value() * 60
else:
self.value = self.sb_hours_value.read().toInt()[0] * 60 * 60 + self.sb_minutes_value.read().toInt()[0] * 60
def check(self):
#print("check")
self.value -= 1
if self.value == 0:
#print("Der Timer ist abgelaufen")
self.bomb_text.write(" Boom!")
self.sleepTimerelapsed.emit()
self.countDown.stop()
self.isActive = False
elif self.value == 10:
self.sleepTimertenseconds.emit()
else:
m, s = divmod(self.value, 60)
h, m = divmod(m, 60)
text = "%02d:%02d:%02d" % (h, m, s)
#self.lbl_countdown.setText(text)
self.bomb_text.write(text)
self.blockValueSignal = True
if self.forceSpinBoxWidget:
self.sb_hours.setValue(h)
self.sb_minutes.setValue(m)
else:
self.sb_minutes_value.write(m)
self.sb_hours_value.write(h)# = h
self.blockValueSignal = False
def stop(self, silent=True):
if not silent:
self.bomb_text.write("Abbruch")
else:
self.bomb_text.write("00:00:00")
self.timer.stop()
self.countDown.stop()
self.blockValueSignal = True
if self.forceSpinBoxWidget:
self.sb_hours.setValue(0)
self.sb_minutes.setValue(0)
else:
self.sb_minutes_value.write(0)
self.sb_hours_value.write(0)
self.blockValueSignal = False
self.isActive = False
class View(KineticScrollArea):
viewModeChanged = pyqtSignal(int)
def __init__(self, parent=None):
super(View, self).__init__(parent)
self.setAlignment(Qt.AlignCenter)
self.setBackgroundRole(QPalette.Dark)
self.setMouseTracking(True)
self._viewMode = FixedScale
self._wheelZoomEnabled = True
self._wheelZoomModifier = Qt.CTRL
# delayed resize
self._centerPos = False
self._resizeTimer = QTimer(singleShot = True, timeout = self._resizeTimeout)
def surface(self):
"""Returns our Surface, the widget drawing the page(s)."""
sf = self.widget()
if not sf:
sf = surface.Surface(self)
self.setSurface(sf)
return sf
def setSurface(self, sf):
"""Sets the given surface as our widget."""
self.setWidget(sf)
# For some reason mouse tracking *must* be enabled on the child as well...
sf.setMouseTracking(True)
self.kineticScrollingActive.connect(sf.updateKineticCursor)
def viewMode(self):
"""Returns the current ViewMode."""
return self._viewMode
def setViewMode(self, mode):
"""Sets the current ViewMode."""
if mode == self._viewMode:
return
self._viewMode = mode
if mode:
self.fit()
self.viewModeChanged.emit(mode)
def wheelZoomEnabled(self):
"""Returns whether wheel zoom is enabled."""
return self._wheelZoomEnabled
def setWheelZoomEnabled(self, enabled):
"""Sets whether wheel zoom is enabled.
Wheel zoom is zooming using the mouse wheel and a keyboard modifier key
(defaulting to Qt.CTRL). Use setWheelZoomModifier() to set a key (or
key combination).
"""
self._wheelZoomEnabled = enabled
def wheelZoomModifier(self):
"""Returns the modifier key to wheel-zoom with (defaults to Qt.CTRL)."""
return self._wheelZoomModifier
def setWheelZoomModifier(self, key):
"""Sets the modifier key to wheel-zoom with (defaults to Qt.CTRL).
Can also be set to a ORed value, e.g. Qt.SHIFT|Qt.ALT.
Only use Qt.ALT, Qt.CTRL, Qt.SHIFT and/or Qt.META.
"""
self._wheelZoomModifier = key
def load(self, document):
"""Convenience method to load all the pages from the given Poppler.Document."""
self.surface().pageLayout().load(document)
# dont do a fit() before the very first resize as the size is then bogus
if self.viewMode():
self.fit()
self.surface().pageLayout().update()
def clear(self):
"""Convenience method to clear the current layout."""
self.surface().pageLayout().clear()
self.surface().pageLayout().update()
def scale(self):
"""Returns the scale of the pages in the View."""
return self.surface().pageLayout().scale()
def setScale(self, scale):
"""Sets the scale of all pages in the View."""
self.surface().pageLayout().setScale(scale)
self.surface().pageLayout().update()
self.setViewMode(FixedScale)
def visiblePages(self):
"""Yields the visible pages."""
rect = self.viewport().rect()
rect.translate(-self.surface().pos())
rect.intersect(self.surface().rect())
return self.surface().pageLayout().pagesAt(rect)
def redraw(self):
"""Redraws, e.g. when you changed rendering hints or papercolor on the document."""
pages = list(self.visiblePages())
documents = set(page.document() for page in pages)
for document in documents:
cache.clear(document)
for page in pages:
page.repaint()
def fit(self):
"""(Internal). Fits the layout according to the view mode.
Prevents scrollbar/resize loops by precalculating which scrollbars will appear.
"""
mode = self.viewMode()
if mode == FixedScale:
return
maxsize = self.maximumViewportSize()
# can vertical or horizontal scrollbars appear?
vcan = self.verticalScrollBarPolicy() == Qt.ScrollBarAsNeeded
hcan = self.horizontalScrollBarPolicy() == Qt.ScrollBarAsNeeded
# width a scrollbar takes off the viewport size
framewidth = 0
if self.style().styleHint(QStyle.SH_ScrollView_FrameOnlyAroundContents, None, self):
framewidth = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth) * 2
scrollbarextent = self.style().pixelMetric(QStyle.PM_ScrollBarExtent, None, self) + framewidth
# first try to fit full size
layout = self.surface().pageLayout()
layout.fit(maxsize, mode)
layout.reLayout()
# minimal values
minwidth = maxsize.width()
minheight = maxsize.height()
if vcan:
minwidth -= scrollbarextent
if hcan:
minheight -= scrollbarextent
# do width and/or height fit?
fitw = layout.width() <= maxsize.width()
fith = layout.height() <= maxsize.height()
if not fitw and not fith:
if vcan or hcan:
layout.fit(QSize(minwidth, minheight), mode)
elif mode & FitWidth and fitw and not fith and vcan:
# a vertical scrollbar will appear
w = minwidth
layout.fit(QSize(w, maxsize.height()), mode)
layout.reLayout()
if layout.height() <= maxsize.height():
# now the vert. scrollbar would disappear!
# enlarge it as long as the vertical scrollbar would not be needed
while True:
w += 1
layout.fit(QSize(w, maxsize.height()), mode)
layout.reLayout()
if layout.height() > maxsize.height():
layout.fit(QSize(w - 1, maxsize.height()), mode)
break
elif mode & FitHeight and fith and not fitw and hcan:
# a horizontal scrollbar will appear
h = minheight
layout.fit(QSize(maxsize.width(), h), mode)
layout.reLayout()
if layout.width() <= maxsize.width():
# now the hor. scrollbar would disappear!
# enlarge it as long as the horizontal scrollbar would not be needed
while True:
h += 1
layout.fit(QSize(maxsize.width(), h), mode)
layout.reLayout()
if layout.width() > maxsize.width():
layout.fit(QSize(maxsize.width(), h - 1), mode)
break
layout.update()
def resizeEvent(self, ev):
super(View, self).resizeEvent(ev)
# Adjust the size of the document if desired
if self.viewMode() and any(self.surface().pageLayout().pages()):
if self._centerPos is False:
self._centerPos = QPoint(0, 0)
elif self._centerPos is None:
# store the point currently in the center
self._centerPos = self.viewport().rect().center() - self.surface().pos()
if not self._resizeTimer.isActive():
self._resizeTimeout()
self._resizeTimer.start(150)
def _resizeTimeout(self):
if self._centerPos is None:
return
oldSize = self.surface().size()
# resize the layout
self.fit()
# restore our position
newSize = self.surface().size()
newx = self._centerPos.x() * newSize.width() / oldSize.width()
newy = self._centerPos.y() * newSize.height() / oldSize.height()
# we explicitely want the non-kinetic centering function regardless of kinetic state.
self.fastCenter(QPoint(newx, newy))
self._centerPos = None
def zoom(self, scale, pos=None):
"""Changes the display scale (1.0 is 100%).
If pos is given, keeps that point at the same place if possible.
Pos is a QPoint relative to ourselves.
"""
scale = max(0.05, min(4.0, scale))
if scale == self.scale():
return
if self.surface().pageLayout().count() == 0:
self.setScale(scale)
return
if pos is None:
pos = self.viewport().rect().center()
surfacePos = pos - self.surface().pos()
page = self.surface().pageLayout().pageAt(surfacePos)
if page:
pagePos = surfacePos - page.pos()
x = pagePos.x() / float(page.width())
y = pagePos.y() / float(page.height())
self.setScale(scale)
newPos = QPoint(round(x * page.width()), round(y * page.height())) + page.pos()
else:
x = surfacePos.x() / float(self.surface().width())
y = surfacePos.y() / float(self.surface().height())
self.setScale(scale)
newPos = QPoint(round(x * self.surface().width()), round(y * self.surface().height()))
surfacePos = pos - self.surface().pos()
# use fastScrollBy as we do not want kinetic scrolling here regardless of its state.
self.fastScrollBy(newPos - surfacePos)
def zoomIn(self, pos=None, factor=1.1):
self.zoom(self.scale() * factor, pos)
def zoomOut(self, pos=None, factor=1.1):
self.zoom(self.scale() / factor, pos)
def wheelEvent(self, ev):
if (self._wheelZoomEnabled and
int(ev.modifiers()) & _SCAM == self._wheelZoomModifier):
factor = 1.1 ** (ev.delta() / 120)
if ev.delta():
self.zoom(self.scale() * factor, ev.pos())
else:
super(View, self).wheelEvent(ev)
def mousePressEvent(self, ev):
"""Mouse press event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if not self.surface().handleMousePressEvent(ev):
super(View, self).mousePressEvent(ev)
def mouseReleaseEvent(self, ev):
"""Mouse release event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if not self.surface().handleMouseReleaseEvent(ev):
super(View, self).mouseReleaseEvent(ev)
def mouseMoveEvent(self, ev):
"""Mouse move event handler. Passes the event to the surface, and back to
the base class if the surface did not do anything with it."""
if self.kineticIsIdle():
if self.surface().handleMouseMoveEvent(ev):
return
super(View, self).mouseMoveEvent(ev)
def moveEvent(self, ev):
"""Move event handler. Passes the event to the surface if we've not started any kinetic move,
and back to the base class if the surface did not do anything with it."""
if self.kineticIsIdle():
if self.surface().handleMoveEvent(ev):
return
super(View, self).moveEvent(ev)
def event(self, ev):
if isinstance(ev, QHelpEvent):
if self.surface().handleHelpEvent(ev):
ev.accept()
return True
return super(View, self).event(ev)
def currentPage(self):
"""Returns the Page currently mostly in the center, or None if there are no pages."""
pos = self.viewport().rect().center() - self.surface().pos()
layout = self.surface().pageLayout()
if len(layout):
d = layout.spacing() * 2
for dx, dy in ((0, 0), (-d, 0), (0, -d), (d, 0), (0, d)):
dist = QPoint(dx, dy)
page = layout.pageAt(pos + dist)
if page:
return page
def currentPageNumber(self):
"""Returns the number (index in the layout) of the currentPage(), or -1 if there are no pages."""
page = self.currentPage()
if page:
return self.surface().pageLayout().index(page)
return -1
def gotoPageNumber(self, num):
"""Aligns the page at the given index in the layout to the topleft of our View."""
layout = self.surface().pageLayout()
if num < len(layout) and num != self.currentPageNumber():
margin = QPoint(layout.margin(), layout.margin())
self.scrollBy(layout[num].pos() + self.surface().pos() - margin)
def position(self):
"""Returns a three-tuple(num, x, y) describing the page currently in the center of the View.
the number is the index of the Page in the Layout, and x and y are the coordinates in the
range 0.0 -> 1.0 of the point that is at the center of the View.
This way a position can be retained even if the scale or the orientation of the Layout changed.
Returns None, None, None if the layout is empty.
"""
page = self.currentPage()
if page:
layout = self.surface().pageLayout()
pos = self.viewport().rect().center() - self.surface().pos()
pagePos = pos - page.pos()
x = pagePos.x() / float(page.width())
y = pagePos.y() / float(page.height())
return layout.index(page), x, y
return None, None, None
def setPosition(self, position, overrideKinetic=False):
"""Sets the position to a three-tuple as previously returned by position().
Setting overrideKinetic to true allows for fast setup, instead of scrolling all the way to the visible point.
"""
layout = self.surface().pageLayout()
pageNum, x, y = position
if pageNum is None or pageNum >= len(layout):
return
page = layout[pageNum]
# center this point
newPos = QPoint(round(x * page.width()), round(y * page.height())) + page.pos()
if overrideKinetic:
self.fastCenter(newPos)
else:
self.center(newPos)
class ImageGrabber(object):
'''
classdocs
'''
_config = mrConfigParser()
_gui = GuiLoader()
_img = None
__sources = []
__grabTimer = QTimer()
__scene = None
__gview = None
def __init__(self, gui=None, config=None):
'''
Constructor
'''
self._gui = GuiLoader()
self._config = config
if gui != None:
self._gui = gui
self.__initGui()
def __initGui(self):
'''
Initiates gui listeners
'''
# initiate scene
self.__gview = self._gui.getObj("imgVideo")
self.__scene = QGraphicsScene()
self.__gview.setScene(self.__scene)
# add image size combobox items
cmb = self._gui.getObj("cmbImgSize")
cmb.addItem("320x240")
cmb.addItem("640x480")
cmb.addItem("800x600")
cmb.addItem("1024x768")
#cmb.addItem("1280x960") # not working with libdc1394 and avt stringray 125c
# add conversion combobox items
cmb = self._gui.getObj("cmbConversion")
cmb.addItem("None")
cmb.addItem("COLOR_BGR2RGB")
cmb.addItem("COLOR_GRAY2RGB")
cmb.addItem("COLOR_YUV2RGB")
cmb.addItem("COLOR_HLS2RGB")
# add listeners
self._gui.connect("cmdStartVideo", "clicked()", self.startVideo)
self._gui.connect("cmdStopVideo", "clicked()", self.stopVideo)
self._gui.connect("cmdAddSource", "clicked()", self.__addCamSource)
self._gui.connect("cmdAddFile", "clicked()", self.__addFileSource)
self._gui.connect("cmdDelSource", "clicked()",
self.__removeSourceFromList)
self._gui.connect("cmbImgSize", "currentIndexChanged(QString)",
self.__imageSizeChanged)
self._gui.connect("cmdSaveImg", "clicked()", self.saveImg)
def isActive(self):
'''
@return: True if image grabbing is active
'''
return self.__grabTimer.isActive()
def startVideo(self):
'''
Starts grabbing images
'''
if self.__grabTimer.isActive():
self.__grabTimer.stop()
self.__grabTimer = QTimer()
self.__grabTimer.timeout.connect(self.__grabImage)
self.__grabTimer.start(0)
self._gui.status("Video started")
def stopVideo(self):
'''
Stops grabbing video
'''
if self.__grabTimer.isActive():
self.__grabTimer.stop()
self.__scene.clear()
self.__gview.show()
self._gui.status("Video stopped")
sleep(1)
def getImage(self):
'''
Returns the last grabbed image
@return: Image
'''
return self._img
def saveImg(self):
'''
Saves image
'''
if self._img != None:
img = self._img
# stop video
active = self.isActive()
self.stopVideo()
# open file dialog
options = copy(self._gui.dialogOptionsDef)
options['type'] = self._gui.dialogTypes['FileSave']
options['filetypes'] = "JPG (*.jpg)"
options['title'] = "Save current frame as"
src = str(self._gui.dialog(options))
# check filepath and save
if len(src) > 0:
if not src.endswith(".jpg"):
src = src + ".jpg"
self._gui.status("write to " + src)
cvtColor(img, COLOR_BGR2RGB)
imwrite(src, img)
# reset video streaming
if active:
self.startVideo()
def __showImage(self):
'''
Shows image on graphics view
'''
if self._img != None:
self.__scene.clear()
self.__scene.addPixmap(imageToPixmap(self._img))
self.__gview.fitInView(self.__scene.sceneRect(),
Qt.KeepAspectRatio)
self.__gview.show()
def __grabImage(self):
'''
Graps image from sources
'''
images = []
# grab all images
for src in self.__sources:
assert isinstance(src, AbstractSourceGrabber)
images.append(src.getImg())
# join and convert images
img = self.__joinImages(images)
# convert image
convert = eval(str(self._gui.getObj("cmbConversion").currentText()))
if convert != None:
try:
img = cvtColor(img, convert)
except:
img = None
# show results
if type(img) == ndarray:
# add image as new image
self._img = img
self.__showImage()
else:
# show message
self.__scene.clear()
self.__scene.addText("NO VIDEO")
def __joinImages(self, images=[]):
'''
Joins images
'''
# TO-DO: Joining images
if len(images) > 0:
return images[0]
return False
def __imageSizeChanged(self, size="640x480"):
'''
Changes image size
'''
size = str(size).split("x")
w = int(size[0])
h = int(size[1])
# set size
for cam in self.__sources:
if type(cam) == CamGrabber:
assert isinstance(cam, CamGrabber)
cam.setImgSize(w, h)
def __addSourceToList(self, grabber=None):
'''
Adds source to source list
'''
assert isinstance(grabber, AbstractSourceGrabber)
if grabber != None:
# add grabber to list
self.__sources.append(grabber)
txt = None
# get type of grabber
if type(grabber) == CamGrabber:
txt = "cam [" + str(grabber.getSource()) + "]"
elif type(grabber) == FileGrabber:
txt = "file [" + str(grabber.getSource()) + "]"
# add text string to gui list
if txt != None:
self._gui.getObj("lstSources").addItem(txt)
def __removeSourceFromList(self):
'''
Removes selected source from list
'''
for item in self._gui.getObj("lstSources").selectedItems():
# get item informationen
txt = str(item.text())
if "[" in txt and "]" in txt:
data = txt.split("[")
iType = data[0].strip()
iSource = data[1].replace(']', '')
# search for grabber
for grabber in self.__sources:
assert isinstance(grabber, AbstractSourceGrabber)
if str(grabber.getSource()) == iSource:
if type(grabber) == CamGrabber and iType == "cam":
self.__sources.remove(grabber)
break
elif type(grabber) == FileGrabber and iType == "file":
self.__sources.remove(grabber)
break
# remove source from gui list
item = self._gui.getObj("lstSources").takeItem(
self._gui.getObj("lstSources").currentRow())
item = None
def __addCamSource(self):
'''
Adds camera as source
'''
obj = self._gui.getObj("txtSource")
source = int(obj.text())
grabber = CamGrabber(source)
if grabber.isOpened():
self.__addSourceToList(grabber)
self._gui.status("Added camera source [" + str(source) + "]")
else:
self._gui.status(
"Could not add camera source [" + str(source) + "]",
self._gui.msgTypes['ERROR'])
def __addFileSource(self):
'''
Adds file as source
'''
self.stopVideo()
options = copy(self._gui.dialogOptionsDef)
options['filetypes'] = "Images (*.jpg *jpeg *gif *png *bmp *tif)"
source = str(self._gui.dialog(options))
if len(source) > 0:
grabber = FileGrabber(source)
self.__addSourceToList(grabber)
self._gui.status("Added file source [" + str(source) + "]")
class RecordingKeyboardMonitor(AbstractKeyboardMonitor):
"""
Monitor the keyboard by recording X11 protocol data.
"""
def __init__(self, parent=None):
AbstractKeyboardMonitor.__init__(self, parent)
self.display = Display.from_qt()
# this timer is started on every keyboard event, its timeout signals,
# that the keyboard is to be considered inactive again
self._idle_timer = QTimer(self)
self._idle_timer.setInterval(self.DEFAULT_IDLETIME)
self._idle_timer.timeout.connect(self.typingStopped)
self._idle_timer.setSingleShot(True)
# this object records events
self._recorder = EventRecorder(self)
self._recorder.keyPressed.connect(self._key_pressed)
self._recorder.keyReleased.connect(self._key_released)
self._recorder.started.connect(self.started)
self._recorder.finished.connect(self.stopped)
# a set of all known modifier keycodes
modifier_mapping = xlib.get_modifier_mapping(self.display)
self._modifiers = frozenset(keycode for modifiers in modifier_mapping
for keycode in modifiers if keycode != 0)
# a set holding all pressed, but not yet released modifier keys
self._pressed_modifiers = set()
# the value of keys to ignore
self._keys_to_ignore = self.IGNORE_NO_KEYS
def _is_ignored_modifier(self, keycode):
"""
Return ``True``, if ``keycode`` as a modifier key, which has to be
ignored, ``False`` otherwise.
"""
return (self._keys_to_ignore >= self.IGNORE_MODIFIER_KEYS and
keycode in self._modifiers)
def _is_ignored_modifier_combo(self):
"""
Return ``True``, if the current key event occurred in combination
with a modifier, which has to be ignored, ``False`` otherwise.
"""
return (self._keys_to_ignore == self.IGNORE_MODIFIER_COMBOS and
self._pressed_modifiers)
def _is_ignored(self, keycode):
"""
Return ``True``, if the given ``keycode`` has to be ignored,
``False`` otherwise.
"""
return (self._is_ignored_modifier(keycode) or
self._is_ignored_modifier_combo())
def _key_pressed(self, keycode):
if keycode in self._modifiers:
self._pressed_modifiers.add(keycode)
if not self._is_ignored(keycode):
if not self.keyboard_active:
self.typingStarted.emit()
# reset the idle timeout
self._idle_timer.start()
def _key_released(self, keycode):
self._pressed_modifiers.discard(keycode)
if not self._is_ignored(keycode):
if not self.keyboard_active:
self.typingStarted.emit()
# reset the idle timeout
self._idle_timer.start()
@property
def is_running(self):
return self._recorder.isRunning()
def start(self):
self._recorder.start()
def stop(self):
AbstractKeyboardMonitor.stop(self)
self._idle_timer.stop()
self._recorder.stop()
@property
def keys_to_ignore(self):
return self._keys_to_ignore
@keys_to_ignore.setter
def keys_to_ignore(self, value):
if not (self.IGNORE_NO_KEYS <= value <= self.IGNORE_MODIFIER_COMBOS):
raise ValueError('unknown constant for keys_to_ignore')
self._keys_to_ignore = value
@property
def idle_time(self):
return self._idle_timer.interval() / 1000
@idle_time.setter
def idle_time(self, value):
self._idle_timer.setInterval(int(value * 1000))
@property
def keyboard_active(self):
return self._idle_timer.isActive()