/usr/lib/python2.7/dist-packages/PyMca/QSpsDataSource.py is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | #/*##########################################################################
# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
import sys
from PyMca import QSource
from PyMca import SpsDataSource
qt = QSource.qt
QTVERSION = qt.qVersion()
SOURCE_TYPE = SpsDataSource.SOURCE_TYPE
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
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)
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]
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL("updated"), (ddict,))
else:
self.emit(qt.SIGNAL("updated"), 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)
if QTVERSION < '4.0.0':
qt.QObject.connect(obj,qt.PYSIGNAL('updated'),mytest)
app.exec_loop()
else:
qt.QObject.connect(obj,qt.SIGNAL('updated'),mytest)
app.exec_()
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