/usr/share/pyshared/PyMca/QHDF5StackWizard.py is in pymca 4.5.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2011 European Synchrotron Radiation Facility
#
# This file is part of the PyMCA X-ray Fluorescence Toolkit developed at
# the ESRF by the Beamline Instrumentation Software Support (BLISS) 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., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307, USA.
#
# PyMCA follows the dual licensing model of Trolltech's Qt and 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 os
import sys
import PyQt4.QtCore as QtCore
import PyQt4.QtGui as QtGui
import QNexusWidget
import NexusDataSource
import PyMcaDirs
import posixpath
class IntroductionPage(QtGui.QWizardPage):
def __init__(self, parent):
QtGui.QWizardPage.__init__(self, parent)
self.setTitle("HDF5 Stack Selection Wizard")
text = "This wizard will help you to select the "
text += "appropriate dataset(s) belonging to your stack"
self.setSubTitle(text)
class FileListPage(QtGui.QWizardPage):
def __init__(self, parent):
QtGui.QWizardPage.__init__(self, parent)
self.setTitle("HDF5 Stack File Selection")
text = "The files below belong to your stack"
self.setSubTitle(text)
self.fileList = []
self.inputDir = None
self.mainLayout= QtGui.QVBoxLayout(self)
listlabel = QtGui.QLabel(self)
listlabel.setText("Input File list")
self._listView = QtGui.QTextEdit(self)
self._listView.setMaximumHeight(30*listlabel.sizeHint().height())
self._listView.setReadOnly(True)
self._listButton = QtGui.QPushButton(self)
self._listButton.setText('Browse')
self._listButton.setAutoDefault(False)
self.mainLayout.addWidget(listlabel)
self.mainLayout.addWidget(self._listView)
self.mainLayout.addWidget(self._listButton)
self.connect(self._listButton,
QtCore.SIGNAL('clicked()'),
self.browseList)
def setFileList(self, filelist):
text = ""
#filelist.sort()
for ffile in filelist:
text += "%s\n" % ffile
self.fileList = filelist
self._listView.setText(text)
def validatePage(self):
if not len(self.fileList):
return False
return True
def browseList(self):
if self.inputDir is None:
self.inputDir = PyMcaDirs.inputDir
if not os.path.exists(self.inputDir):
self.inputDir = os.getcwd()
wdir = self.inputDir
filedialog = QtGui.QFileDialog(self)
filedialog.setWindowTitle("Open a set of files")
filedialog.setDirectory(wdir)
filedialog.setFilters(["HDF5 Files (*.nxs *.h5 *.hdf)",
"HDF5 Files (*.h5)",
"HDF5 Files (*.hdf)",
"HDF5 Files (*.nxs)",
"HDF5 Files (*)"])
filedialog.setModal(1)
filedialog.setFileMode(filedialog.ExistingFiles)
ret = filedialog.exec_()
if ret == QtGui.QDialog.Accepted:
filelist0=filedialog.selectedFiles()
else:
self.raise_()
return
filelist = []
for f in filelist0:
filelist.append(str(f))
if len(filelist):
self.setFileList(filelist)
PyMcaDirs.inputDir = os.path.dirname(filelist[0])
self.inputDir = os.path.dirname(filelist[0])
self.raise_()
class StackIndexWidget(QtGui.QWidget):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.mainLayout = QtGui.QHBoxLayout(self)
#self.mainLayout.setMargin(0)
#self.mainLayout.setSpacing(0)
self.buttonGroup = QtGui.QButtonGroup(self)
i = 0
for text in ["1D data is first dimension", "1D data is last dimension"]:
rButton = QtGui.QRadioButton(self)
rButton.setText(text)
self.mainLayout.addWidget(rButton)
self.buttonGroup.addButton(rButton, i)
i += 1
rButton.setChecked(True)
self._stackIndex = -1
self.connect(self.buttonGroup,
QtCore.SIGNAL('buttonPressed(QAbstractButton *)'),
self._slot)
def _slot(self, button):
if "first" in str(button.text()).lower():
self._stackIndex = 0
else:
self._stackIndex = -1
def setIndex(self, index):
if index == 0:
self._stackIndex = 0
self.buttonGroup.button(0).setChecked(True)
else:
self._stackIndex = -1
self.buttonGroup.button(1).setChecked(True)
class DatasetSelectionPage(QtGui.QWizardPage):
def __init__(self, parent):
QtGui.QWizardPage.__init__(self, parent)
self.setTitle("HDF5 Dataset Selection")
text = "Double click on the datasets you want to consider "
text += "and select the role they will play at the end by "
text += "selecting the appropriate checkbox(es)"
self.selection = None
self.setSubTitle(text)
self.mainLayout = QtGui.QVBoxLayout(self)
self.nexusWidget = LocalQNexusWidget(self)
self.nexusWidget.buttons.hide()
self.mainLayout.addWidget(self.nexusWidget, 1)
self.stackIndexWidget = StackIndexWidget(self)
self.mainLayout.addWidget(self.stackIndexWidget, 0)
def setFileList(self, filelist):
self.dataSource = NexusDataSource.NexusDataSource(filelist[0])
self.nexusWidget.setDataSource(self.dataSource)
phynxFile = self.dataSource._sourceObjectList[0]
keys = list(phynxFile.keys())
if len(keys) != 1:
return
#check if it is an NXentry
entry = phynxFile[keys[0]]
attrs = list(entry.attrs)
if 'NX_class' in attrs:
attr = entry.attrs['NX_class']
if sys.version > '2.9':
try:
attr = attr.decode('utf-8')
except:
print("WARNING: Cannot decode NX_class attribute")
attr = None
else:
attr = None
if attr is None:
return
if attr != 'NXentry':
return
#check if there is only one NXdata
nxDataList = []
for key in entry.keys():
attr = entry[key].attrs.get('NX_class', None)
if attr is None:
continue
if sys.version > '2.9':
try:
attr = attr.decode('utf-8')
except:
print("WARNING: Cannot decode NX_class attribute")
continue
if attr in ['NXdata']:
nxDataList.append(key)
if len(nxDataList) != 1:
return
nxData = entry[nxDataList[0]]
#try to get the signals
signalList = []
for key in nxData.keys():
if 'signal' in nxData[key].attrs.keys():
if int(nxData[key].attrs['signal']) == 1:
signalList.append(key)
if len(signalList) == 1:
if 'interpretation' in nxData[key].attrs.keys():
interpretation = nxData[key].attrs['interpretation']
if sys.version > '2.9':
try:
interpretation = interpretation.decode('utf-8')
except:
print("WARNING: Cannot decode interpretation")
if interpretation == "image":
self.stackIndexWidget.setIndex(0)
if not len(signalList):
return
ddict = {}
ddict['counters'] = []
ddict['aliases'] = []
for signal in signalList:
path = posixpath.join("/",nxDataList[0], signal)
ddict['counters'].append(path)
ddict['aliases'].append(posixpath.basename(signal))
self.nexusWidget.setWidgetConfiguration(ddict)
self.nexusWidget.cntTable.setCounterSelection({'y':[0]})
def validatePage(self):
cntSelection = self.nexusWidget.cntTable.getCounterSelection()
cntlist = cntSelection['cntlist']
if not len(cntlist):
text = "No dataset selection"
self.showMessage(text)
return False
if not len(cntSelection['y']):
text = "No dataset selected as y"
self.showMessage(text)
return False
selection = {}
selection['x'] = []
selection['y'] = []
selection['m'] = []
selection['index'] = self.stackIndexWidget._stackIndex
for key in ['x', 'y', 'm']:
if len(cntSelection[key]):
for idx in cntSelection[key]:
selection[key].append(cntlist[idx])
self.selection = selection
return True
def showMessage(self, text):
msg = QtGui.QMessageBox(self)
msg.setIcon(QtGui.QMessageBox.Information)
msg.setText(text)
msg.exec_()
class ShapePage(QtGui.QWizardPage):
def __init__(self, parent):
QtGui.QWizardPage.__init__(self, parent)
self.setTitle("HDF5 Map Shape Selection")
text = "Adjust the shape of your map if necessary"
self.setSubTitle(text)
class LocalQNexusWidget(QNexusWidget.QNexusWidget):
def showInfoWidget(self, filename, name, dset=False):
w = QNexusWidget.QNexusWidget.showInfoWidget(self, filename, name, dset)
w.hide()
w.setWindowModality(QtCore.Qt.ApplicationModal)
w.show()
class QHDF5StackWizard(QtGui.QWizard):
def __init__(self, parent=None):
QtGui.QWizard.__init__(self, parent)
self.setWindowTitle("HDF5 Stack Wizard")
#self._introduction = self.createIntroductionPage()
self._fileList = self.createFileListPage()
self._datasetSelection = self.createDatasetSelectionPage()
#self._shape = self.createShapePage()
#self.addPage(self._introduction)
self.addPage(self._fileList)
self.addPage(self._datasetSelection)
#self.addPage(self._shape)
#self.connect(QtCore.SIGNAL("currentIdChanged(int"),
# currentChanged)
def sizeHint(self):
width = QtGui.QWizard.sizeHint(self).width()
height = QtGui.QWizard.sizeHint(self).height()
return QtCore.QSize(width, int(1.5 * height))
def createIntroductionPage(self):
return IntroductionPage(self)
def setFileList(self, filelist):
self._fileList.setFileList(filelist)
def createFileListPage(self):
return FileListPage(self)
def createDatasetSelectionPage(self):
return DatasetSelectionPage(self)
def createShapePage(self):
return ShapePage(self)
def initializePage(self, value):
if value == 1:
#dataset page
self._datasetSelection.setFileList(self._fileList.fileList)
def getParameters(self):
return self._fileList.fileList,\
self._datasetSelection.selection,\
[x[0] for x in self._datasetSelection.nexusWidget.getSelectedEntries()]
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
w = QHDF5StackWizard()
ret = w.exec_()
if ret == QtGui.QDialog.Accepted:
print(w.getParameters())
#QtCore.QObject.connect(w, QtCore.SIGNAL("addSelection"), addSelection)
#QtCore.QObject.connect(w, QtCore.SIGNAL("removeSelection"), removeSelection)
#QtCore.QObject.connect(w, QtCore.SIGNAL("replaceSelection"), replaceSelection)
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