/usr/lib/python2.7/dist-packages/PyTango/ipython/ipython_00_10/ipy_qt.py is in python-pytango 8.1.1-1build3.
This file is owned by root:root, with mode 0o644.
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# This file is part of PyTango (http://www.tinyurl.com/PyTango)
#
# Copyright 2006-2012 CELLS / ALBA Synchrotron, Bellaterra, Spain
# Copyright 2013-2014 European Synchrotron Radiation Facility, Grenoble, France
#
# Distributed under the terms of the GNU Lesser General Public License,
# either version 3 of the License, or (at your option) any later version.
# See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
import logging
import PyTango
import PyQt4.Qt as Qt
BRUSH = Qt.QBrush
COLOR = Qt.QColor
_WhiteBrush = Qt.QBrush(Qt.Qt.white)
_BlackBrush = Qt.QBrush(Qt.Qt.black)
_RedBrush = Qt.QBrush(Qt.Qt.red)
_GreenBrush = Qt.QBrush(Qt.Qt.green)
_DarkGreenBrush = Qt.QBrush(Qt.Qt.darkGreen)
_BlueBrush = Qt.QBrush(Qt.Qt.blue)
_YellowBrush = Qt.QBrush(Qt.Qt.yellow)
_MagentaBrush = Qt.QBrush(Qt.Qt.magenta)
_GrayBrush = Qt.QBrush(Qt.Qt.gray)
_DarkGrayBrush = Qt.QBrush(Qt.Qt.darkGray)
_LightGrayBrush = Qt.QBrush(Qt.Qt.lightGray)
ATTR_QUALITY_DATA = {
PyTango.AttrQuality.ATTR_INVALID : (BRUSH(COLOR(128, 128, 128)), _WhiteBrush),
PyTango.AttrQuality.ATTR_VALID : (_GreenBrush, _BlackBrush),
PyTango.AttrQuality.ATTR_ALARM : (BRUSH(COLOR(255, 140, 0)), _WhiteBrush),
PyTango.AttrQuality.ATTR_WARNING : (BRUSH(COLOR(255, 140, 0)), _WhiteBrush),
PyTango.AttrQuality.ATTR_CHANGING : (BRUSH(COLOR(128, 160, 255)), _BlackBrush),
None : (BRUSH(Qt.Qt.FDiagPattern), _BlackBrush)
}
DEVICE_STATE_DATA = {
PyTango.DevState.ON : (_GreenBrush, _BlackBrush),
PyTango.DevState.OFF : (_WhiteBrush, _BlackBrush),
PyTango.DevState.CLOSE : (_WhiteBrush, _DarkGreenBrush),
PyTango.DevState.OPEN : (_GreenBrush, _BlackBrush),
PyTango.DevState.INSERT : (_WhiteBrush, _BlackBrush),
PyTango.DevState.EXTRACT : (_GreenBrush, _BlackBrush),
PyTango.DevState.MOVING : (BRUSH(COLOR(128, 160, 255)), _BlackBrush),
PyTango.DevState.STANDBY : (_YellowBrush, _BlackBrush),
PyTango.DevState.FAULT : (_RedBrush, _BlackBrush),
PyTango.DevState.INIT : (BRUSH(COLOR(204, 204, 122)), _BlackBrush),
PyTango.DevState.RUNNING : (BRUSH(COLOR(128, 160, 255)), _BlackBrush),
PyTango.DevState.ALARM : (BRUSH(COLOR(255, 140, 0)), _WhiteBrush),
PyTango.DevState.DISABLE : (_MagentaBrush, _BlackBrush),
PyTango.DevState.UNKNOWN : (_GrayBrush, _BlackBrush),
None : (_GrayBrush, _BlackBrush),
}
def getBrushForQuality(q):
return ATTR_QUALITY_DATA[q]
def getBrushForState(s):
return DEVICE_STATE_DATA[s]
def deviceAttributeValueStr(da):
return str(da.value)
ID, HOST, DEVICE, ATTRIBUTE, VALUE, TIME = range(6)
HORIZ_HEADER = 'ID', 'Host','Device','Attribute', 'Value', 'Time'
class EventLoggerTableModel(Qt.QAbstractTableModel, logging.Handler):
DftOddRowBrush = Qt.QBrush(Qt.QColor(220,220,220)), Qt.QBrush(Qt.Qt.black)
DftEvenRowBrush = Qt.QBrush(Qt.QColor(255,255,255)), Qt.QBrush(Qt.Qt.black)
DftColHeight = 20
DftColSize = Qt.QSize(50, DftColHeight), Qt.QSize(120, DftColHeight), \
Qt.QSize(160, DftColHeight), Qt.QSize(100, DftColHeight), \
Qt.QSize(120, DftColHeight), Qt.QSize(120, DftColHeight)
def __init__(self, capacity=20, freq=0.1):
super(Qt.QAbstractTableModel, self).__init__()
logging.Handler.__init__(self)
self._capacity = capacity
self._records = []
self._accumulated_records = []
self.startTimer(freq*1000)
# ---------------------------------
# Qt.QAbstractTableModel overwrite
# ---------------------------------
# def sort(self, column, order = Qt.Qt.AscendingOrder):
# if column == LEVEL:
# f = lambda a,b: cmp(a.levelno,b.levelno)
# elif column == TYPE:
# def f(a,b):
# if not operator.isMappingType(a) or not operator.isMappingType(b):
# return 0
# return cmp(a.args.get('type','tau'), b.args.get('type','tau'))
# elif column == TIME:
# f = lambda a,b: cmp(a.created,b.created)
# elif column == MSG:
# f = lambda a,b: cmp(a.msg,b.msg)
# elif column == NAME:
# f = lambda a,b: cmp(a.name,b.name)
# elif column == THREAD:
# f = lambda a,b: cmp(a.threadName,b.threadName)
# elif column == LOCALT:
# f = lambda a,b: cmp(a.relativeCreated,b.relativeCreated)
# self._records = sorted(self._records, cmp=f,reverse= order == Qt.Qt.DescendingOrder)
# #self.reset()
def rowCount(self, index=Qt.QModelIndex()):
return len(self._records)
def columnCount(self, index=Qt.QModelIndex()):
return len(HORIZ_HEADER)
def data(self, index, role=Qt.Qt.DisplayRole):
if not index.isValid() or not (0 <= index.row() < len(self._records)):
return Qt.QVariant()
column, row = index.column(), index.row()
record = self._records[row]
if record.err:
err = PyTango.DevFailed(*record.errors)
else:
err = None
name = record.s_attr_name.lower()
if role == Qt.Qt.DisplayRole:
if column == ID:
return Qt.QVariant(row)
if column == HOST:
return Qt.QVariant(record.host)
elif column == DEVICE:
return Qt.QVariant(record.dev_name)
elif column == ATTRIBUTE:
return Qt.QVariant(record.s_attr_name)
elif column == VALUE:
if err is None:
return Qt.QVariant(deviceAttributeValueStr(record.attr_value))
else:
return Qt.QVariant(err[0].reason)
elif column == TIME:
if err is None:
return Qt.QVariant(record.attr_value.time.strftime("%H:%M:%S.%f"))
else:
return Qt.QVariant(record.reception_date.strftime("%H:%M:%S.%f"))
elif role == Qt.Qt.TextAlignmentRole:
if column in (HOST, DEVICE, ATTRIBUTE):
return Qt.QVariant(Qt.Qt.AlignLeft|Qt.Qt.AlignVCenter)
return Qt.QVariant(Qt.Qt.AlignRight|Qt.Qt.AlignVCenter)
elif role == Qt.Qt.BackgroundRole:
if column == VALUE:
if err is None:
if name == "state":
bg = getBrushForState(record.attr_value.value)[0]
else:
bg = getBrushForQuality(record.attr_value.quality)[0]
else:
bg = Qt.QBrush(Qt.Qt.red)
else:
if index.row() % 2:
bg = self.DftOddRowBrush[0]
else:
bg = self.DftEvenRowBrush[0]
return Qt.QVariant(bg)
elif role == Qt.Qt.ForegroundRole:
if column == VALUE:
if err is None:
if name == "state":
fg = getBrushForState(record.attr_value.value)[1]
else:
fg = getBrushForQuality(record.attr_value.quality)[1]
else:
fg = Qt.QBrush(Qt.Qt.white)
else:
if index.row() % 2:
fg = self.DftOddRowBrush[1]
else:
fg = self.DftEvenRowBrush[1]
return Qt.QVariant(fg)
elif role == Qt.Qt.ToolTipRole:
if err is None:
return Qt.QVariant(str(record.attr_value))
else:
return Qt.QVariant(str(record))
elif role == Qt.Qt.SizeHintRole:
return self._getSizeHint(column)
#elif role == Qt.Qt.StatusTipRole:
#elif role == Qt.Qt.CheckStateRole:
elif role == Qt.Qt.FontRole:
return Qt.QVariant(Qt.QFont("Mono", 8))
return Qt.QVariant()
def _getSizeHint(self, column):
return Qt.QVariant(EventLoggerTableModel.DftColSize[column])
def headerData(self, section, orientation, role=Qt.Qt.DisplayRole):
if role == Qt.Qt.TextAlignmentRole:
if orientation == Qt.Qt.Horizontal:
return Qt.QVariant(int(Qt.Qt.AlignLeft | Qt.Qt.AlignVCenter))
return Qt.QVariant(int(Qt.Qt.AlignRight | Qt.Qt.AlignVCenter))
elif role == Qt.Qt.SizeHintRole:
if orientation == Qt.Qt.Vertical:
return Qt.QVariant(Qt.QSize(50, 20))
else:
return self._getSizeHint(section)
elif role == Qt.Qt.FontRole:
return Qt.QVariant(Qt.QFont("Mono", 8))
elif role == Qt.Qt.ToolTipRole:
if section == HOST:
return Qt.QVariant("tango host")
elif section == DEVICE:
return Qt.QVariant("tango device")
elif section == ATTRIBUTE:
return Qt.QVariant("tango attribute")
elif section == VALUE:
return Qt.QVariant("attribute value")
elif section == TIME:
return Qt.QVariant("time stamp for the event")
if role != Qt.Qt.DisplayRole:
return Qt.QVariant()
if orientation == Qt.Qt.Horizontal:
return Qt.QVariant(HORIZ_HEADER[section])
return Qt.QVariant(int(section+1))
def insertRows(self, position, rows=1, index=Qt.QModelIndex()):
self.beginInsertRows(Qt.QModelIndex(), position, position+rows-1)
self.endInsertRows()
def removeRows(self, position, rows=1, index=Qt.QModelIndex()):
self.beginRemoveRows(Qt.QModelIndex(), position, position+rows-1)
self.endRemoveRows()
#def setData(self, index, value, role=Qt.Qt.DisplayRole):
# pass
#def flags(self, index)
# pass
#def insertColumns(self):
# pass
#def removeColumns(self):
# pass
# --------------------------
# logging.Handler overwrite
# --------------------------
def timerEvent(self, evt):
self.updatePendingRecords()
def updatePendingRecords(self):
if not self._accumulated_records:
return
row_nb = self.rowCount()
records = self._accumulated_records
self._accumulated_records = []
self._records.extend(records)
self.insertRows(row_nb, len(records))
if len(self._records) > self._capacity:
start = len(self._records) - self._capacity
self._records = self._records[start:]
self.removeRows(0, start)
def push_event(self, evt):
attr_name = evt.attr_name
dev, sep, attr = attr_name.rpartition('/')
if dev.startswith("tango://"):
dev = dev[8:]
if dev.count(":"):
# if it has tango host
host, sep, dev = dev.partition('/')
else:
host = "-----"
evt.host = host
evt.dev_name = dev
evt.s_attr_name = attr
self._accumulated_records.append(evt)
def clearContents(self):
self.removeRows(0, self.rowCount())
self._records = []
self._accumulated_records = []
def getEvents(self):
return self._records
class EventLoggerTable(Qt.QTableView):
DftScrollLock = False
"""A Qt table that displays the event logging messages"""
def __init__(self, parent=None, model=None, designMode=False):
super(EventLoggerTable, self).__init__(parent)
self.setShowGrid(False)
self.resetScrollLock()
model = model or EventLoggerTableModel()
self.setModel(model)
hh = self.horizontalHeader()
hh.setResizeMode(HOST, Qt.QHeaderView.Stretch)
self.setSortingEnabled(False)
#self.sortByColumn(TIME, Qt.Qt.AscendingOrder)
def rowsInserted(self, index, start, end):
"""Overwrite of slot rows inserted to do proper resize and scroll to
bottom if desired
"""
for i in range(start,end+1):
self.resizeRowToContents(i)
if start == 0:
self.resizeColumnsToContents()
if not self._scrollLock:
self.scrollToBottom()
def setScrollLock(self, scrollLock):
"""Sets the state for scrollLock"""
self._scrollLock = scrollLock
def getScrollLock(self):
"""Returns wheater or not the scrollLock is active"""
return self._scrollLock
def resetScrollLock(self):
self.setScrollLock(EventLoggerTable.DftScrollLock)
def clearContents(self):
self.model().clearContents()
def getEvents(self):
return self.model().getEvents()
def sizeHint(self):
return Qt.QSize(700, 400)
#: Tells wheater the table should scroll automatically to the end each
#: time a record is added or not
autoScroll = Qt.pyqtProperty("bool", getScrollLock, setScrollLock, resetScrollLock)
class EventLoggerWidget(Qt.QWidget):
def __init__(self, parent=None, model=None, designMode=False):
super(EventLoggerWidget, self).__init__(parent)
self._model = model or EventLoggerTableModel()
self.init(designMode)
def init(self, designMode):
l = Qt.QGridLayout()
l.setContentsMargins(0,0,0,0)
l.setVerticalSpacing(2)
self.setLayout(l)
table = self._logtable = EventLoggerTable(model = self._model, designMode=designMode)
tb = self._toolbar = Qt.QToolBar("Event logger toolbar")
tb.setFloatable(False)
self._clearButton = Qt.QPushButton("Clear")
Qt.QObject.connect(self._clearButton, Qt.SIGNAL("clicked()"), table.clearContents)
tb.addWidget(self._clearButton)
l.addWidget(tb, 0, 0)
l.addWidget(table, 1, 0)
l.setColumnStretch(0,1)
l.setRowStretch(1,1)
def model(self):
return self._model
def getEvents(self):
return self.model().getEvents()
EventLogger = EventLoggerWidget
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