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()
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)
if self.is_internal_shell:
self.editor.import_from_string(text)
else:
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()
monitor_set_global(self._get_sock(),
var_name, clip_data)
except Exception as error:
error_message = str(error)
else:
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
if self.is_internal_shell:
namespace, error_message = load_func(self.filename)
interpreter = self.shellwidget.interpreter
for key in list(namespace.keys()):
new_key = fix_reference_name(key,
blacklist=list(interpreter.namespace.keys()))
if new_key != key:
namespace[new_key] = namespace.pop(key)
if error_message is None:
interpreter.namespace.update(namespace)
else:
error_message = monitor_load_globals(self._get_sock(),
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>Error message:<br>%s"
) % (self.filename, error_message))
self.refresh_table()
if isinstance(load_func, basestring): # 'import_wizard' (self.setup_io)
# 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()
monitor_set_global(sock, var_name, clip_data)
except Exception, error:
error_message = str(error)
else:
error_message = monitor_load_globals(sock, self.filename)
if error_message is not None:
QMessageBox.critical(self, title,
self.tr("<b>Unable to load '%1'</b>"
"<br><br>Error message:<br>%2") \
.arg(self.filename).arg(error_message))
self.refresh_table()
def save_data(self, filename=None):
"""Save data"""
if filename is None:
filename = self.filename
if filename is None:
filename = os.getcwdu()
filename = iofunctions.get_save_filename(self, filename,