def onFromFile(self, filename=None, **kwargs):
'''imports Master curve from a two-column ASCII file.
The first colum will be interpreted to be the abcissas.
If filename is not given, a dialog for choosing a file is presented
kwargs can contain keyword arguments to pass to numpy.loadtxt() when reading each file
accepted keywords and their default values are:
{dtype=<type 'float'>, comments='#', delimiter=None, converters=None,
skiprows=0, usecols=None, unpack=False}
see help from numpy.loadtxt for more info on the kwargs'''
if filename is None:
filename, _ = compat.getOpenFileName(self, 'Choose input file', '',
'Ascii file (*)')
if not filename:
return False
filename = str(filename)
try:
M = numpy.loadtxt(filename, **kwargs)
if len(M.shape) != 2:
raise Exception()
x = M[:, 0]
y = M[:, 1]
except:
self.error('Invalid input file "%s"' % filename)
Qt.QMessageBox.warning(
self, 'Invalid input file',
'Unknown format in selected file.\n Hint: The file must be two-column ASCII'
)
return
self._arrayEditor.setMaster(x, y)
def openJDraw(self):
ifile, _ = compat.getOpenFileName(
self, 'Load JDraw File', '', 'JDraw File (*.jdw)')
if not ifile:
return
fileName = ifile.split("/")
self._fileName = fileName[-1]
self.setModel(ifile)
return fileName[-1]
def onOpenSequence(self):
if not self._sequenceModel.isEmpty():
if Qt.QMessageBox.question(
self, "Open sequence",
"Do you want to save existing sequence?",
Qt.QMessageBox.Yes,
Qt.QMessageBox.No) == Qt.QMessageBox.Yes:
self.onSaveSequence()
self.tree.clearTree()
sequencesPath = self.sequencesPath()
fileName, _ = compat.getOpenFileName(self,
"Choose a sequence to open...",
sequencesPath, "*")
self.loadFile(fileName)
def onOpenSequence(self):
if not self._sequenceModel.isEmpty():
if Qt.QMessageBox.question(
self,
"Open sequence",
"Do you want to save existing sequence?",
Qt.QMessageBox.Yes,
Qt.QMessageBox.No) == Qt.QMessageBox.Yes:
self.onSaveSequence()
self.tree.clearTree()
sequencesPath = self.sequencesPath()
fileName, _ = compat.getOpenFileName(
self,
"Choose a sequence to open...",
sequencesPath,
"*")
self.loadFile(fileName)
def loadConfigFile(self, ifile=None):
"""Reads a file stored by :meth:`saveConfig` and applies the settings
:param ifile: (file or string) file or filename from where to read the configuration
:return: (str) file name used
"""
import pickle
if ifile is None:
from taurus.external.qt import compat
ifile, _ = compat.getOpenFileName(self, 'Load Configuration', '',
'Configuration File (*.pck)')
if not ifile:
return
if not isinstance(ifile, file):
ifile = open(ifile, 'r')
configdict = pickle.load(ifile)
self.applyConfig(configdict)
return ifile.name
def loadFile(self, iniFileName=None):
'''
Loads a configuration stored in a file and creates the tree.
:iniFileName: (str) Name of the file. If None is given the user is prompted for a file.
'''
if iniFileName is None:
if self.tree.originalFile is None:
path = Qt.QDir.homePath()
else:
path = self.tree.originalFile
iniFileName, _ = compat.getOpenFileName(self,
'Select a settings file',
path, 'Ini Files (*.ini)')
if not iniFileName:
return
self.tree.loadFile(iniFileName)
self.treeview.setModel(self.tree)
self.setWindowTitle('TaurusConfigEditor - %s' %
os.path.basename(self.tree.originalFile))
def importSettingsFile(self, fname=None):
'''
loads settings (including importing all perspectives) from a given ini
file. It warns before overwriting an existing perspective.
:param fname: (str) name of ini file. If None given, a file dialog will be shown.
'''
if fname is None:
fname, _ = compat.getOpenFileName(
self, 'Select a ini-format settings file', '',
"Ini files (*.ini);;All files (*)")
if not fname:
return
s = Qt.QSettings(fname, Qt.QSettings.IniFormat)
# clone the perspectives found in the "factory" settings
for p in self.getPerspectivesList(settings=s):
self.loadPerspective(name=p, settings=s)
self.savePerspective(name=p)
# finally load the settings
self.loadSettings(settings=s)
def openFile(self):
if self.maybeSave():
fileName, _ = compat.getOpenFileName(self)
if not fileName is None and file != "":
self.loadFile(fileName)
def _chooseAFile(self):
path, _ = compat.getOpenFileName()
self.filePath.setText(path)
def openFile(self, fname=None):
if fname is None:
fname, _ = compat.getOpenFileName(self, 'Choose NeXus File', '')
if fname:
self.__nexusFile = self.__fileModel.openFile(fname)
def openFile(self):
if self.maybeSave():
fileName, _ = compat.getOpenFileName(self)
if not fileName is None and file != "":
self.loadFile(fileName)