def onBrowseClicked(control_instance):
""" Browse the file system and update the control instance accordingly.
If a valid file path has already been entered the file dialogue will
automatically point to the file folder, otherwise the current working
directory is used.
Parameters
----------
control_instance: QWidget (mandatory)
the file widget item
"""
# Get the current file path
current_control_value = os.getcwd()
if FileControlWidget.is_valid(control_instance):
current_control_value = unicode(control_instance.path.text())
# get widget via a __self__ in a method, because control_instance may
# be a weakproxy.
widget = control_instance.__repr__.__self__
# Create a dialog to select a file
if control_instance.output:
fname = qt_backend.getSaveFileName(
widget, "Output file", current_control_value, "", None,
QtGui.QFileDialog.DontUseNativeDialog)
else:
fname = qt_backend.getOpenFileName(
widget, "Open file", current_control_value, "", None,
QtGui.QFileDialog.DontUseNativeDialog)
# Set the selected file path to the path sub control
control_instance.path.setText(unicode(fname))
def load_list(controller_widget, control_name, control_instance):
controller_widget = get_ref(controller_widget)
control_instance = get_ref(control_instance)
# get widget via a __self__ in a method, because control_instance may
# be a weakproxy.
widget = control_instance.__repr__.__self__
fname = qt_backend.getOpenFileName(
widget, "Open file", "", "", None,
QtGui.QFileDialog.DontUseNativeDialog)
if fname:
parent_controller = controller_widget.controller
elem_trait = parent_controller.trait(control_name).inner_traits[0]
text = open(fname).read()
if fname.endswith('.csv'):
format = 'CSV'
else:
format = 'JSON'
value = ListControlWidget.parse_list(text, format, ',', elem_trait)
if value is not None:
setattr(parent_controller, control_name, value)
else:
QtGui.QMessageBox.warning(controller_widget, 'Parsing error',
'Could not parse the input file',
QtGui.QMessageBox.Cancel,
QtGui.QMessageBox.Cancel)
def on_btn_load_json(self):
"""Load attributes from a json file"""
# ask for a file name
filename = qt_backend.getOpenFileName(
self, 'Select a .json FOM attributes file', '',
'JSON files (*.json)')
if filename is None:
return
print 'load', filename
attributes = json.load(open(filename))
print "loaded:", attributes
for att, value in attributes.iteritems():
if att in self.process_with_fom.attributes:
setattr(self.process_with_fom, att, value)
def on_btn_load_json(self):
"""Load attributes from a json file"""
completion_engine = getattr(self.attributed_process,
'completion_engine', None)
if completion_engine is None:
print('No completion engine with attributes in this process.')
return
# ask for a file name
filename = qt_backend.getOpenFileName(
self, 'Select a .json attributes file', '', 'JSON files (*.json)')
if filename is None:
return
print('load', filename)
attributes = json.load(open(filename))
print("loaded:", attributes)
completion_engine.get_attribute_values().import_from_dict(attributes)
def onBrowseClicked(control_instance):
""" Browse the file system and update the control instance accordingly.
If a valid file path has already been entered the file dialogue will
automatically point to the file folder, otherwise the current working
directory is used.
Parameters
----------
control_instance: QWidget (mandatory)
the file widget item
"""
# Get the current file path
current_control_value = os.getcwd()
if FileControlWidget.is_valid(control_instance):
current_control_value \
= six.text_type(control_instance.path.text())
# get widget via a __self__ in a method, because control_instance may
# be a weakproxy.
widget = control_instance.__repr__.__self__
ext = []
trait = control_instance.trait
if trait.allowed_extensions:
ext = trait.allowed_extensions
if trait.extensions:
ext = trait.extensions
ext = ['*%s' % e for e in ext]
ext = ' '.join(ext)
if ext:
ext += ';; All files (*)'
# Create a dialog to select a file
if control_instance.output \
or control_instance.trait.handler.exists is False:
fname = qt_backend.getSaveFileName(
widget, "Output file", current_control_value, ext,
None, QtGui.QFileDialog.DontUseNativeDialog)
else:
fname = qt_backend.getOpenFileName(
widget, "Open file", current_control_value, ext, None,
QtGui.QFileDialog.DontUseNativeDialog)
# Set the selected file path to the path sub control
control_instance.path.set_value(six.text_type(fname))