Source code for PyMca5.PyMcaGui.pymca.QSpsDataSource
#/*##########################################################################
# Copyright (C) 2004-2014 V.A. Sole, European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import sys
from PyMca5.PyMcaGui.pymca import QSource
from PyMca5.PyMcaCore import SpsDataSource
qt = QSource.qt
QTVERSION = qt.qVersion()
SOURCE_TYPE = SpsDataSource.SOURCE_TYPE
[docs]class QSpsDataSource(QSource.QSource):
"""Shared memory source
The shared memory source object uses SPS through the SPSWrapper
module to get access to shared memory zones created by Spec or Device Servers
Emitted signals are :
updated
"""
def __init__(self, sourceName):
QSource.QSource.__init__(self)
self.__dataSource = SpsDataSource.SpsDataSource(sourceName)
#easy speed up by making a local reference
self.sourceName = self.__dataSource.sourceName
self.isUpdated = self.__dataSource.isUpdated
self.sourceType = self.__dataSource.sourceType
self.getKeyInfo = self.__dataSource.getKeyInfo
self.refresh = self.__dataSource.refresh
self.getSourceInfo = self.__dataSource.getSourceInfo
def __getattr__(self,attr):
if not attr.startswith("__"):
#if not hasattr(qt.QObject, attr):
if not hasattr(self, attr):
try:
return getattr(self.__dataSource, attr)
except:
pass
raise AttributeError
[docs] def getDataObject(self,key_list,selection=None, poll=True):
if poll:
data = self.__dataSource.getDataObject(key_list,selection)
self.addToPoller(data)
return data
else:
return self.__dataSource.getDataObject(key_list,selection)
[docs] def customEvent(self, event):
ddict = event.dict
ddict['SourceName'] = self.__dataSource.sourceName
ddict['SourceType'] = SOURCE_TYPE
key = ddict['Key']
idtolook = []
ddict['selectionlist'] = []
for object in self.surveyDict[key]:
idtolook.append(id(object))
if key in self.selections.keys():
n = len(self.selections[key])
if n:
a = range(n)
a.reverse()
legendlist = []
for i in a:
objectId, info = self.selections[key][i]
scanselection = 0
if 'scanselection' in info:
scanselection = info['scanselection']
if info['legend'] in legendlist:
if not scanselection:
del self.selections[key][i]
continue
if objectId in idtolook:
sel = {}
sel['SourceName'] = self.__dataSource.sourceName
sel['SourceType'] = SOURCE_TYPE
sel['Key'] = key
sel['selection'] = info['selection']
sel['legend'] = info['legend']
legendlist.append(info['legend'])
sel['targetwidgetid'] = info.get('targetwidgetid', None)
sel['scanselection'] = info.get('scanselection', False)
sel['imageselection'] = info.get('imageselection', False)
ddict['selectionlist'].append(sel)
#else:
del self.selections[key][i]
self.sigUpdated.emit(ddict)
else:
print("No info????")
if __name__ == "__main__":
try:
specname=sys.argv[1]
arrayname=sys.argv[2]
except:
print("Usage: SpsDataSource <specversion> <arrayname>")
sys.exit()
app=qt.QApplication([])
obj = QSpsDataSource(specname)
def mytest(ddict):
print(ddict['Key'])
app.mytest = mytest
data = obj.getDataObject(arrayname,poll=True)
obj.sigUpdated.connect(mytest)
app.exec_()