def import_data(self, filenames=None):
"""Import data from text file."""
title = _("Import data")
if filenames is None:
if self.filename is None:
basedir = getcwd_or_home()
else:
basedir = osp.dirname(self.filename)
filenames, _selfilter = getopenfilenames(self, title, basedir,
iofunctions.load_filters)
if not filenames:
return
elif is_text_string(filenames):
filenames = [filenames]
for filename in filenames:
self.filename = to_text_string(filename)
if os.name == "nt":
self.filename = remove_backslashes(self.filename)
ext = osp.splitext(self.filename)[1].lower()
if ext not in iofunctions.load_funcs:
buttons = QMessageBox.Yes | QMessageBox.Cancel
answer = QMessageBox.question(
self, title,
_("<b>Unsupported file extension '%s'</b><br><br>"
"Would you like to import it anyway "
"(by selecting a known file format)?") % ext, buttons)
if answer == QMessageBox.Cancel:
return
formats = list(iofunctions.load_extensions.keys())
item, ok = QInputDialog.getItem(self, title,
_('Open file as:'), formats, 0,
False)
if ok:
ext = iofunctions.load_extensions[to_text_string(item)]
else:
return
load_func = iofunctions.load_funcs[ext]
# 'import_wizard' (self.setup_io)
if is_text_string(load_func):
# Import data with import wizard
error_message = None
try:
text, _encoding = encoding.read(self.filename)
base_name = osp.basename(self.filename)
editor = ImportWizard(
self,
text,
title=base_name,
varname=fix_reference_name(base_name))
if editor.exec_():
var_name, clip_data = editor.get_data()
self.editor.new_value(var_name, clip_data)
except Exception as error:
error_message = str(error)
else:
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
error_message = self.shellwidget.load_data(self.filename, ext)
QApplication.restoreOverrideCursor()
QApplication.processEvents()
if error_message is not None:
QMessageBox.critical(
self, title,
_("<b>Unable to load '%s'</b>"
"<br><br>"
"The error message was:<br>%s") %
(self.filename, error_message))
self.refresh_table()
def importwizard(qtbot):
"""Set up ImportWizard."""
text = u"17/11/1976\t1.34\n14/05/09\t3.14"
importwizard = ImportWizard(None, text)
qtbot.addWidget(importwizard)
return importwizard
def import_data(self, filenames=None):
"""Import data from text file."""
title = _("Import data")
if filenames is None:
if self.filename is None:
basedir = getcwd_or_home()
else:
basedir = osp.dirname(self.filename)
filenames, _selfilter = getopenfilenames(self, title, basedir,
iofunctions.load_filters)
if not filenames:
return
elif is_text_string(filenames):
filenames = [filenames]
for filename in filenames:
self.filename = to_text_string(filename)
ext = osp.splitext(self.filename)[1].lower()
if ext not in iofunctions.load_funcs:
buttons = QMessageBox.Yes | QMessageBox.Cancel
answer = QMessageBox.question(self, title,
_("<b>Unsupported file extension '%s'</b><br><br>"
"Would you like to import it anyway "
"(by selecting a known file format)?"
) % ext, buttons)
if answer == QMessageBox.Cancel:
return
formats = list(iofunctions.load_extensions.keys())
item, ok = QInputDialog.getItem(self, title,
_('Open file as:'),
formats, 0, False)
if ok:
ext = iofunctions.load_extensions[to_text_string(item)]
else:
return
load_func = iofunctions.load_funcs[ext]
# 'import_wizard' (self.setup_io)
if is_text_string(load_func):
# Import data with import wizard
error_message = None
try:
text, _encoding = encoding.read(self.filename)
base_name = osp.basename(self.filename)
editor = ImportWizard(self, text, title=base_name,
varname=fix_reference_name(base_name))
if editor.exec_():
var_name, clip_data = editor.get_data()
self.editor.new_value(var_name, clip_data)
except Exception as error:
error_message = str(error)
else:
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
error_message = self.shellwidget.load_data(self.filename, ext)
self.shellwidget._kernel_reply = None
QApplication.restoreOverrideCursor()
QApplication.processEvents()
if error_message is not None:
QMessageBox.critical(self, title,
_("<b>Unable to load '%s'</b>"
"<br><br>Error message:<br>%s"
) % (self.filename, error_message))
self.refresh_table()
def setup_importwizard(qtbot, text):
"""Set up ImportWizard."""
importwizard = ImportWizard(None, text)
qtbot.addWidget(importwizard)
return importwizard