def exec_images_open_dialog(parent, basedir='', app_name=None,
to_grayscale=True, dtype=None):
"""
Executes an image*s* open dialog box (QFileDialog.getOpenFileNames)
* parent: parent widget (None means no parent)
* basedir: base directory ('' means current directory)
* app_name (opt.): application name (used as a title for an eventual
error message box in case something goes wrong when saving image)
* to_grayscale (default=True): convert image to grayscale
Yields (filename, data) tuples if dialog is accepted, None otherwise
"""
saved_in, saved_out, saved_err = sys.stdin, sys.stdout, sys.stderr
sys.stdout = None
filenames, _filter = getopenfilenames(parent, _("Open"), basedir,
io.iohandler.get_filters('load', dtype=dtype))
sys.stdin, sys.stdout, sys.stderr = saved_in, saved_out, saved_err
filenames = [to_text_string(fname) for fname in list(filenames)]
for filename in filenames:
try:
data = io.imread(filename, to_grayscale=to_grayscale)
except Exception as msg:
import traceback
traceback.print_exc()
QMessageBox.critical(parent,
_('Error') if app_name is None else app_name,
(_("%s could not be opened:") % osp.basename(filename))+\
"\n"+str(msg))
return
yield filename, data
def exec_images_open_dialog(parent,
basedir='',
app_name=None,
to_grayscale=True,
dtype=None):
"""
Executes an image*s* open dialog box (QFileDialog.getOpenFileNames)
* parent: parent widget (None means no parent)
* basedir: base directory ('' means current directory)
* app_name (opt.): application name (used as a title for an eventual
error message box in case something goes wrong when saving image)
* to_grayscale (default=True): convert image to grayscale
Yields (filename, data) tuples if dialog is accepted, None otherwise
"""
saved_in, saved_out, saved_err = sys.stdin, sys.stdout, sys.stderr
sys.stdout = None
filenames, _filter = getopenfilenames(
parent, _("Open"), basedir,
io.iohandler.get_filters('load', dtype=dtype))
sys.stdin, sys.stdout, sys.stderr = saved_in, saved_out, saved_err
filenames = [to_text_string(fname) for fname in list(filenames)]
for filename in filenames:
try:
data = io.imread(filename, to_grayscale=to_grayscale)
except Exception as msg:
import traceback
traceback.print_exc()
QMessageBox.critical(parent,
_('Error') if app_name is None else app_name,
(_("%s could not be opened:") % osp.basename(filename))+\
"\n"+str(msg))
return
yield filename, data
def apply_fit(self):
msgBox = QMessageBox()
msgBox.setText("Apply corrections?")
msgBox.setInformativeText(
"Select to which files will be applied the correction.")
CancelButton = msgBox.addButton("Cancel", msgBox.RejectRole)
SelectButton = msgBox.addButton("Select", msgBox.NoRole)
AllButton = msgBox.addButton("All", msgBox.YesRole)
#msgBox.setDefaultButton(QMessageBox.Cancel)
msgBox.exec_()
if msgBox.clickedButton() == CancelButton:
return -1
elif msgBox.clickedButton() == AllButton:
filelist = None
elif msgBox.clickedButton() == SelectButton:
flret = getopenfilenames(self, _("Select file list"),
self.data_ref.dir_name)[0]
filelist = []
for f in flret:
filelist.append((basename(str(f)), dirname(str(f))))
msgBox = QMessageBox()
msgBox.setText("Select the correction file")
msgBox.addButton(QMessageBox.Ok)
msgBox.exec_()
filename = getopenfilename(
self, _("Correction file"),
self.data_ref.dir_name + "/" + basename(
normpath(self.data_ref.dir_name) + "_fit." +
self.data_ref.files_type))
try:
self.data_ref.applycorr(str(filename[0]), filelist)
except:
msgBox = QMessageBox()
msgBox.setText("Not a correction file!")
msgBox.exec_()
return -1