class fandango.qt.QCustomTabWidget(parent=None, icon_builder=None)[source]¶: A reimplementation of QTabWidget but using custom buttons to manage tabs

QExceptionMessage ¶

class fandango.qt.QExceptionMessage(*args)[source]¶

QEvaluator ¶

class fandango.qt.QEvaluator(parent=None, model='', filename='~/.qeval_history')[source]¶

Default methods:: mdir(expr,[module]): return elements matching expr, from module or locals() help(method): returns source of method or __doc__ doc(method): idem run(module): loads a module (reloads?) table/bold/color: html formatting

execute(cmd=None, args=None)[source]¶: (Ctrl+Enter) Send the current command,arguments to the eval engine and process the output.

setModel(model=None)[source]¶: setModel(obj) will set the last element of a sequence of commands as Model for the shell The Model can be either an object, class, module, ...

TangoHostChooser ¶

class fandango.qt.TangoHostChooser(hosts)[source]¶: Allows to choose a tango_host from a list

TaurusImportException ¶

class fandango.qt.TaurusImportException[source]¶

QSignalHook ¶

class fandango.qt.QSignalHook(function)[source]¶: Class initialized with a transformation function. For every setModel(model) it will emit a modelChanged(function(model))

QTableOnWidget ¶

class fandango.qt.QTableOnWidget(parent=None, data=None, filters=True)[source]¶: A Helper class to easily initialize a QTable from an array

TauEmitterThread ¶

fandango.qt.TauEmitterThread¶: alias of QWorker

QOptionDialog ¶

class fandango.qt.QOptionDialog(parent=None, model={}, title='', cast=None)[source]¶

This class provides a fast way to update a dictionary from a Qt dialog

s = fandango.Struct(name=’test’,value=7.8) qo = QOptionDialog(model=s,cast=s.cast,title=’Options’) qo.show() #Edit and save the values s.value : 5.0

Using plain dicts: d = {‘name’:’A’,’value’:4} qo = QOptionDialog(model=d,cast=fandango.str2type,title=’Options’) qo.exec()

TauColorComponent ¶

class fandango.qt.TauColorComponent(name=None, parent=None, defaults=None)[source]¶

Abstract class for Tau color-based items.

Param:	defaults will be a tuple with the default foreground,background colors (appliable if value not readable) It may allow to differentiate not-read from UNKNOWN

The TauColorComponent contains a QObject to emit Qt.SIGNALs if needed:: self.emitter.connect(self.emitter,Qt.SIGNAL(“setColors”),self.parent.tabBar().setTabTextColor) self.emitter.emit(Qt.SIGNAL(“setColors”),self.getIndex(),color)

getParentTauComponent()[source]¶: Returns a parent Tau component or None if no parent TaurusBaseComponent is found.

handleEvent(evt_src=None, evt_type=None, evt_value=None)[source]¶: fires a value changed event to all listeners

updateStyle()[source]¶: Method called when the component detects an event that triggers a change in the style. If the value is not parseable the default colors will be set.

QDraggable ¶

fandango.qt.QDraggable¶: alias of DraggableQtKlass

QCustomPushButton ¶

class fandango.qt.QCustomPushButton(label, widget=None, parent=None)[source]¶

QGridTable ¶

class fandango.qt.QGridTable(parent=None)[source]¶: This class is a frame with a QGridLayout that emulates some methods of QTableWidget

QDoubleClickable ¶

fandango.qt.QDoubleClickable¶: alias of DoubleClickableQtKlass

QColorDictionary ¶

class fandango.qt.QColorDictionary(sort=False)[source]¶: Returns a {name:QColor} dictionary; if sorted tries to sort by color difference

ModelRefresher ¶

class fandango.qt.ModelRefresher(period=30)[source]¶

QWidgetWithLayout ¶

class fandango.qt.QWidgetWithLayout(parent=None, layout=None, child=None)[source]¶: A helper widget that allows to create QWidgets with predefined layouts

TauFakeEventReceiver ¶

class fandango.qt.TauFakeEventReceiver[source]¶

QWorker ¶

class fandango.qt.QWorker(parent=None, name='', queue=None, method=None, cursor=None, sleep=5000)[source]¶

IF YOU USE TAURUS, GO THERE INSTEAD: taurus.qt.qtcore.util.emitter.SingletonWorker ; it is more optimized and maintained

This object get items from a python Queue and performs a thread safe operation on them. It is useful to delay signals in a background thread. :param parent: a Qt/Tau object :param name: identifies object logs :param queue: if None parent.getQueue() is used, if not then the queue passed as argument is used :param method: the method to be executed using each queue item as argument :param cursor: if True or QCursor a custom cursor is set while the Queue is not empty

Delaying model subscription using TauEmitterThread[edit]:

<pre>
#Applying TauEmitterThread to an existing class:
import Queue
from functools import partial

def modelSetter(args):
    obj,model = args[0],args[1]
    obj.setModel(model)

klass TauGrid(Qt.QFrame, TaurusBaseWidget):
    ...
    def __init__(self, parent = None, designMode = False):
        ...
        self.modelsQueue = Queue.Queue()
        self.modelsThread = TauEmitterThread(parent=self,queue=self.modelsQueue,method=modelSetter )
        ...
    def build_widgets(...):
        ...
                    previous,synoptic_value = synoptic_value,TauValue(cell_frame)
                    #synoptic_value.setModel(model)
                    self.modelsQueue.put((synoptic_value,model))
        ...
    def setModel(self,model):
        ...
        if hasattr(self,'modelsThread') and not self.modelsThread.isRunning(): 
            self.modelsThread.start()
        elif self.modelsQueue.qsize():
            self.modelsThread.next()
        ...    
</pre>

getDone()[source]¶: Returns % of done tasks in 0-1 range

put(callable, arg0, arg1, arg2, ...)[source]¶

ApiBrowser ¶

class fandango.qt.ApiBrowser(parent=None, model='', filename='~/.qeval_history')[source]¶

QTextBuffer ¶

class fandango.qt.QTextBuffer(title='TextBuffer', maxlen=1000, parent=None)[source]¶: This dialog provides a Text dialog where logs can be inserted from your application in a round buffer. It also provides a button to save the logs into a file if needed.

QDropTextEdit ¶

class fandango.qt.QDropTextEdit(*args)[source]¶

This method provides a widget that allows drops of text from other widgets. As a bonus, it provides a simple hook for DoubleClick events But!, QTextEdit already supported drag/drop, so it is just an exercise of how to do these things.

dropEvent(event)[source]¶: reimplemented to support dropping of modelnames in forms

handleMimeData(mimeData, method)[source]¶

Selects the most appropriate data from the given mimeData object (in the order returned by getSupportedMimeTypes()) and passes it to the given method.

Parameters:	mimeData – (QMimeData) the MIME data object from which the model is to be extracted method – (callable<str>) a method that accepts a string as argument. This method will be called with the data from the mimeData object
Returns:	(str or None) returns the MimeType used if the model was successfully set, or None if the model could not be set

setClickHook(hook)[source]¶: the hook must be a function or callable

setSupportedMimeTypes(mimetypes)[source]¶

sets the mimeTypes that this widget support

Parameters:	mimetypes – (list<str>) list (ordered by priority) of MIME type names

QDraggableLabel ¶

fandango.qt.QDraggableLabel¶: alias of DraggableQtKlass

QOptionChooser ¶

class fandango.qt.QOptionChooser(title, text, command, args, parent=None)[source]¶: Dialog used to trigger several options from a bash launch script

QDictToolBar ¶

class fandango.qt.QDictToolBar(parent=None)[source]¶

Just a customizable toolbar that can be setup using a dictionary:: toolbar = QDictToolBar(tmw) toolbar.set_toolbar([(‘Archiving Viewer’,’Mambo-icon.ico’, lambda:launch(‘mambo’)),])

set_toolbar(toolbar)[source]¶: The toolbar argument must be dictionary {name:(icon,action)} or a list of (‘Name’,’icon.jpg’,action) tuples.

Functions ¶

getRandomColor ¶

fandango.qt.getRandomColor(i=None)[source]¶

getQt ¶

fandango.qt.getQt(full=False)[source]¶: Choosing between PyQt and Taurus Qt distributions

getApplication ¶

fandango.qt.getApplication(args=None)[source]¶

modelSetter ¶

fandango.qt.modelSetter(obj, model)[source]¶

checkApplication ¶

fandango.qt.checkApplication(args=None)[source]¶

execApplication ¶

fandango.qt.execApplication()[source]¶

setDialogCloser ¶

fandango.qt.setDialogCloser(dialog, widget)[source]¶: set dialog to be closed on widget.closeEvent()

getColorsForValue ¶

fandango.qt.getColorsForValue(value, palette=<taurus.qt.qtgui.util.tauruscolor.QtColorPalette object at 0x7eff566cd790>)[source]¶: Get QColor equivalent for a given Tango attribute value It returns a Background,Foreground tuple

GetFramedTaurusValue ¶

fandango.qt.GetFramedTaurusValue(model=None, label=True, hook=None)[source]¶

getStateLed ¶

fandango.qt.getStateLed(model)[source]¶

getQwtPlot ¶

fandango.qt.getQwtPlot(series, xIsTime=False)[source]¶: Series would be a {Label:[(time,value)]} dictionary

QConfirmAction ¶

fandango.qt.QConfirmAction(action, parent=None, title='WARNING', message='Are you sure?', options=<PyQt4.QtGui.StandardButtons object at 0x7eff55b99b18>)[source]¶: This method will just execute action but preceeded by a confirmation dialog. To pass arguments to your action just use partial(action,*args,**kwargs) when declaring it e.g:

self._clearbutton.connect(self._clearbutton,Qt.SIGNAL(‘clicked()’),fandango.partial(fandango.qt.QConfirmAction,self.clearBuffers)

getQwtTimeScaleDraw ¶

fandango.qt.getQwtTimeScaleDraw()[source]¶

raw autodoc ¶

class fandango.qt.ApiBrowser(parent=None, model='', filename='~/.qeval_history')[source]: Bases: fandango.qt.QEvaluator

class fandango.qt.DialogCloser(dialog)[source]

Bases: object

This decorator triggers dialog closure at the end of the decorated method e.g. dialog = QTextBuffer() widget = TaurusTrend()

TaurusTrend.closeEvent = DialogCloser(d)

fandango.qt.GetFramedTaurusValue(model=None, label=True, hook=None)[source]

class fandango.qt.ModelRefresher(period=30)[source]

Bases: threading.Thread, fandango.objects.SingletonMap

fire_targets(targets=[])[source]¶

get_targets(widgets=[])[source]¶

run()[source]¶

stop()[source]¶

class fandango.qt.NullWidget(*args)[source]

Bases: taurus.qt.qtgui.container.tauruswidget.TaurusWidget

Input(value)[source]¶

show()[source]¶

class fandango.qt.QColorDictionary(sort=False)[source]

Bases: fandango.dicts.SortedDict, fandango.objects.Singleton

Returns a {name:QColor} dictionary; if sorted tries to sort by color difference

get_diff_code(name, color)[source]¶

get_rgb_normalized(color)[source]¶

show()[source]¶

fandango.qt.QConfirmAction(action, parent=None, title='WARNING', message='Are you sure?', options=<PyQt4.QtGui.StandardButtons object at 0x7eff55b99b18>)[source]: This method will just execute action but preceeded by a confirmation dialog. To pass arguments to your action just use partial(action,*args,**kwargs) when declaring it e.g:

self._clearbutton.connect(self._clearbutton,Qt.SIGNAL(‘clicked()’),fandango.partial(fandango.qt.QConfirmAction,self.clearBuffers)

class fandango.qt.QCustomPushButton(label, widget=None, parent=None)[source]

Bases: PyQt4.QtGui.QPushButton

getText()[source]¶

setBold(bold)[source]¶

setLabel(label)[source]¶

setWidget(widget)[source]¶

class fandango.qt.QCustomTabWidget(parent=None, icon_builder=None)[source]

Bases: PyQt4.QtGui.QWidget

A reimplementation of QTabWidget but using custom buttons to manage tabs

addTab(widget, label, icon=None, width=50, height=60)[source]¶

clear()[source]¶

count()[source]¶

currentIndex()[source]¶

currentWidget()[source]¶

elideMode()[source]¶

emitCurrentChanged()[source]¶

indexOf(widget)[source]¶

insertTab(index, page, icon, label)[source]¶

isTabEnabled(index)[source]¶

labelIndex(label)[source]¶

labelOf(widget)[source]¶

removeTab(index)[source]¶

setCurrentIndex(index)[source]¶

setCurrentWidget(widget, label='')[source]¶

setElideMode(elide)[source]¶

setTabEnabled(index, enable)[source]¶

setTabPosition(position)[source]¶

setTabShape(shape)[source]¶

setTabToolTip(index, tip)[source]¶

setUsesScrollButtons(uses)[source]¶

tabBar()[source]¶

tabPosition()[source]¶

tabShape()[source]¶

tabText(index)[source]¶

tabToolTip(index)[source]¶

usesScrollButtons()[source]¶

widget(index)[source]¶

class fandango.qt.QDialogWidget(parent=None, flags=None, buttons=None)[source]

Bases: PyQt4.QtGui.QDialog

It converts any Widget into a Dialog

setAccept method allows to easily connect the accepted() signal to a callable

setAccept(f)[source]: connect the accepted() signal to a callable

setWidget(widget, accept_signal=None, reject_signal=None)[source]¶

sizeHint()[source]¶

widget()[source]¶

class fandango.qt.QDictTextBrowser(parent=None)[source]

Bases: PyQt4.QtGui.QWidget

Easy widget, it just shows a dictionary in a text shape

setModel(model)[source]¶

setupUi()[source]¶

static test()[source]¶

updateText(item)[source]¶

class fandango.qt.QDictToolBar(parent=None)[source]

Bases: PyQt4.QtGui.QToolBar

Just a customizable toolbar that can be setup using a dictionary:: toolbar = QDictToolBar(tmw) toolbar.set_toolbar([(‘Archiving Viewer’,’Mambo-icon.ico’, lambda:launch(‘mambo’)),])

add_to_main_window(MainWindow, where=4)[source]¶

build_action(name, icon, action)[source]¶

set_toolbar(toolbar)[source]: The toolbar argument must be dictionary {name:(icon,action)} or a list of (‘Name’,’icon.jpg’,action) tuples.

setup_ui()[source]¶

fandango.qt.QDoubleClickable: alias of DoubleClickableQtKlass

fandango.qt.QDraggable: alias of DraggableQtKlass

fandango.qt.QDraggableLabel: alias of DraggableQtKlass

class fandango.qt.QDropTextEdit(*args)[source]

Bases: PyQt4.QtGui.QTextEdit

addModels(models)[source]¶

dropEvent(event)[source]: reimplemented to support dropping of modelnames in forms

getSupportedMimeTypes()[source]¶

handleMimeData(mimeData, method)[source]

Selects the most appropriate data from the given mimeData object (in the order returned by getSupportedMimeTypes()) and passes it to the given method.

Parameters:	mimeData – (QMimeData) the MIME data object from which the model is to be extracted method – (callable<str>) a method that accepts a string as argument. This method will be called with the data from the mimeData object
Returns:	(str or None) returns the MimeType used if the model was successfully set, or None if the model could not be set

mimeTypes()[source]¶

mouseDoubleClickEvent(event)[source]¶

setClickHook(hook)[source]: the hook must be a function or callable

setSupportedMimeTypes(mimetypes)[source]

sets the mimeTypes that this widget support

Parameters:	mimetypes – (list<str>) list (ordered by priority) of MIME type names

fandango.qt.QDropable: alias of DropableQtKlass

class fandango.qt.QEvaluator(parent=None, model='', filename='~/.qeval_history')[source]

Bases: PyQt4.QtGui.QWidget

Default methods:: mdir(expr,[module]): return elements matching expr, from module or locals() help(method): returns source of method or __doc__ doc(method): idem run(module): loads a module (reloads?) table/bold/color: html formatting

dir_module(*args)[source]¶

evalQ(c)[source]¶

execute(cmd=None, args=None)[source]: (Ctrl+Enter) Send the current command,arguments to the eval engine and process the output.

help(m=None)[source]¶

static main(args=None)[source]¶

multiline_edit()[source]¶

multiline_exec()[source]¶

multiline_load()[source]¶

printf(txt, append=True, highlight=False, curr='')[source]¶

save_to(filename=None, txt=None)[source]¶

setEval(m=None)[source]¶

setModel(model=None)[source]: setModel(obj) will set the last element of a sequence of commands as Model for the shell The Model can be either an object, class, module, ...

setup_ui()[source]¶

class fandango.qt.QExceptionMessage(*args)[source]: Bases: object

class fandango.qt.QGridTable(parent=None)[source]

Bases: PyQt4.QtGui.QFrame

This class is a frame with a QGridLayout that emulates some methods of QTableWidget

clear()[source]¶

columnCount()[source]¶

itemAt(x, y)[source]¶

removeWidget(widget)[source]¶

resizeColumnsToContents()[source]¶

resizeRowsToContents()[source]¶

rowCount()[source]¶

setCellWidget(*args)[source]¶

setColumnCount(count)[source]¶

setColumnWidth(col, width)[source]¶

setHorizontalHeaderLabels(labels)[source]¶

setItem(x, y, item, spanx=1, spany=1)[source]¶

setRowCount(count)[source]¶

setRowHeight(row, height)[source]¶

setVerticalHeaderLabels(labels)[source]¶

class fandango.qt.QOptionChooser(title, text, command, args, parent=None)[source]

Bases: PyQt4.QtGui.QDialog

Dialog used to trigger several options from a bash launch script

launch()[source]¶

class fandango.qt.QOptionDialog(parent=None, model={}, title='', cast=None)[source]

Bases: fandango.qt.QDialogWidget

This class provides a fast way to update a dictionary from a Qt dialog

s = fandango.Struct(name=’test’,value=7.8) qo = QOptionDialog(model=s,cast=s.cast,title=’Options’) qo.show() #Edit and save the values s.value : 5.0

Using plain dicts: d = {‘name’:’A’,’value’:4} qo = QOptionDialog(model=d,cast=fandango.str2type,title=’Options’) qo.exec()

accept()[source]¶

getModel()[source]¶

setModel(model)[source]¶

class fandango.qt.QSignalHook(function)[source]

Bases: PyQt4.QtCore.QObject

Class initialized with a transformation function. For every setModel(model) it will emit a modelChanged(function(model))

setModel(model)[source]¶

class fandango.qt.QTableOnWidget(parent=None, data=None, filters=True)[source]

Bases: PyQt4.QtGui.QWidget

A Helper class to easily initialize a QTable from an array

setCells(data=None)[source]¶

setData(data=None)[source]¶

setFiltered()[source]¶

static test(csvfile)[source]¶

class fandango.qt.QTextBuffer(title='TextBuffer', maxlen=1000, parent=None)[source]

Bases: PyQt4.QtGui.QDialog

This dialog provides a Text dialog where logs can be inserted from your application in a round buffer. It also provides a button to save the logs into a file if needed.

append(text)[source]¶

clear()[source]¶

saveLogs()[source]¶

setText(text)[source]¶

text()[source]¶

toggle(arg=None)[source]¶

class fandango.qt.QWidgetWithLayout(parent=None, layout=None, child=None)[source]

Bases: PyQt4.QtGui.QWidget

A helper widget that allows to create QWidgets with predefined layouts

addChildWidget(child, row=None, column=None)[source]¶

childWidget()[source]¶

removeChildWidget()[source]¶

class fandango.qt.QWorker(parent=None, name='', queue=None, method=None, cursor=None, sleep=5000)[source]

Bases: PyQt4.QtCore.QThread

IF YOU USE TAURUS, GO THERE INSTEAD: taurus.qt.qtcore.util.emitter.SingletonWorker ; it is more optimized and maintained

Delaying model subscription using TauEmitterThread[edit]:

<pre>
#Applying TauEmitterThread to an existing class:
import Queue
from functools import partial

def modelSetter(args):
    obj,model = args[0],args[1]
    obj.setModel(model)

klass TauGrid(Qt.QFrame, TaurusBaseWidget):
    ...
    def __init__(self, parent = None, designMode = False):
        ...
        self.modelsQueue = Queue.Queue()
        self.modelsThread = TauEmitterThread(parent=self,queue=self.modelsQueue,method=modelSetter )
        ...
    def build_widgets(...):
        ...
                    previous,synoptic_value = synoptic_value,TauValue(cell_frame)
                    #synoptic_value.setModel(model)
                    self.modelsQueue.put((synoptic_value,model))
        ...
    def setModel(self,model):
        ...
        if hasattr(self,'modelsThread') and not self.modelsThread.isRunning(): 
            self.modelsThread.start()
        elif self.modelsQueue.qsize():
            self.modelsThread.next()
        ...    
</pre>

getDone()[source]: Returns % of done tasks in 0-1 range

getQueue()[source]¶

next()[source]¶

put(callable, arg0, arg1, arg2, ...)[source]

run()[source]¶

class fandango.qt.TangoHostChooser(hosts)[source]

Bases: PyQt4.QtGui.QDialog

Allows to choose a tango_host from a list

done(*args)[source]¶

static main(args=[])[source]¶

class fandango.qt.TauColorComponent(name=None, parent=None, defaults=None)[source]

Bases: taurus.qt.qtgui.base.taurusbase.TaurusBaseComponent

Abstract class for Tau color-based items.

Param:	defaults will be a tuple with the default foreground,background colors (appliable if value not readable) It may allow to differentiate not-read from UNKNOWN

The TauColorComponent contains a QObject to emit Qt.SIGNALs if needed:: self.emitter.connect(self.emitter,Qt.SIGNAL(“setColors”),self.parent.tabBar().setTabTextColor) self.emitter.emit(Qt.SIGNAL(“setColors”),self.getIndex(),color)

getModelClass()[source]¶

getParentTauComponent()[source]: Returns a parent Tau component or None if no parent TaurusBaseComponent is found.

handleEvent(evt_src=None, evt_type=None, evt_value=None)[source]: fires a value changed event to all listeners

isReadOnly()[source]¶

setColors(background, foreground)[source]¶

setModel(model)[source]¶

updateStyle()[source]: Method called when the component detects an event that triggers a change in the style. If the value is not parseable the default colors will be set.

fandango.qt.TauEmitterThread: alias of QWorker

class fandango.qt.TauFakeEventReceiver[source]

event_received(source, type_, value)[source]¶

exception fandango.qt.TaurusImportException[source]: Bases: exceptions.Exception

fandango.qt.checkApplication(args=None)[source]

fandango.qt.execApplication()[source]

fandango.qt.getApplication(args=None)[source]

fandango.qt.getColorsForValue(value, palette=<taurus.qt.qtgui.util.tauruscolor.QtColorPalette object at 0x7eff566cd790>)[source]: Get QColor equivalent for a given Tango attribute value It returns a Background,Foreground tuple

fandango.qt.getQt(full=False)[source]: Choosing between PyQt and Taurus Qt distributions

fandango.qt.getQwtPlot(series, xIsTime=False)[source]: Series would be a {Label:[(time,value)]} dictionary

fandango.qt.getQwtTimeScaleDraw()[source]

fandango.qt.getRandomColor(i=None)[source]

fandango.qt.getStateLed(model)[source]

fandango.qt.modelSetter(obj, model)[source]

fandango.qt.setDialogCloser(dialog, widget)[source]: set dialog to be closed on widget.closeEvent()

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