def save_to_filewriter_json(self):
filename = file_dialog(True, "Save Filewriter JSON File",
JSON_FILE_TYPES)
if filename:
with open(filename, "w") as file:
filewriter_json_writer.write_nexus_structure_to_json(
self.instrument, file)
def save_to_forwarder_json(self):
filename = file_dialog(True, "Save Forwarder JSON File",
JSON_FILE_TYPES)
if filename:
provider_type, ok_pressed = QInputDialog.getItem(
None,
"Provider type",
"Select provider type for PVs",
["ca", "pva"],
0,
False,
)
default_broker, ok_pressed = QInputDialog.getText(
None,
"Default broker",
"Default Broker: (This will only be used for streams that do not already have a broker)",
text="broker:port",
echo=QLineEdit.Normal,
)
if ok_pressed:
with open(filename, "w") as file:
nexus_constructor.json.forwarder_json_writer.generate_forwarder_command(
file,
self.instrument.nexus.entry,
provider_type=provider_type,
default_broker=default_broker,
)
def save_to_filewriter_json(self):
filename = file_dialog(True, "Save Filewriter JSON File",
JSON_FILE_TYPES)
if filename:
dialog = QDialog()
dialog.setModal(True)
dialog.setLayout(QGridLayout())
command_widget = FilewriterCommandWidget()
dialog.layout().addWidget(command_widget)
dialog.exec_()
(
nexus_file_name,
broker,
start_time,
stop_time,
service_id,
abort_on_uninitialised_stream,
use_swmr,
) = command_widget.get_arguments()
with open(filename, "w") as file:
filewriter_json_writer.generate_json(
self.instrument,
file,
nexus_file_name=nexus_file_name,
broker=broker,
start_time=start_time,
stop_time=stop_time,
service_id=service_id,
abort_uninitialised=abort_on_uninitialised_stream,
use_swmr=use_swmr,
)
def mesh_file_picker(self):
"""
Opens the mesh file picker. Sets the file name line edit to the file path.
:return: None
"""
filename = file_dialog(False, "Open Mesh", GEOMETRY_FILE_TYPES)
self.cad_file_name = filename
self.fileLineEdit.setText(filename)
def save_to_filewriter_json(self):
filename = file_dialog(True, "Save File writer JSON File",
JSON_FILE_TYPES)
if filename:
if not filename.endswith(".json"):
filename += ".json"
error_collector: List[str] = []
data_dump = json.dumps(self.model.as_dict(error_collector),
indent=2)
if error_collector:
show_errors_message(error_collector)
return
with open(filename, "w") as file:
file.write(data_dump)
def open_json_file(self):
filename = file_dialog(False, "Open File Writer JSON File",
JSON_FILE_TYPES)
if filename:
reader = JSONReader()
success = reader.load_model_from_json(filename)
if reader.warnings:
show_warning_dialog(
"\n".join((json_warning.message
for json_warning in reader.warnings)),
"Warnings encountered loading JSON",
parent=self,
)
if success:
self.model = reader.model
self._setup_model_signals()
self._update_views()
def open_json_file(self):
filename = file_dialog(False, "Open File Writer JSON File",
JSON_FILE_TYPES)
if filename:
with open(filename, "r") as json_file:
json_data = json_file.read()
try:
nexus_file = json_to_nexus(json_data)
except Exception as exception:
show_warning_dialog(
"Provided file not recognised as valid JSON",
"Invalid JSON",
f"{exception}",
parent=self,
)
return
existing_file = self.instrument.nexus.nexus_file
if self.instrument.nexus.load_nexus_file(nexus_file):
self._update_views()
existing_file.close()
def open_nexus_file(self):
filename = file_dialog(False, "Open Nexus File", NEXUS_FILE_TYPES)
existing_file = self.instrument.nexus.nexus_file
if self.instrument.nexus.open_file(filename):
self._update_views()
existing_file.close()
def open_idf_file(self):
filename = file_dialog(False, "Open IDF file", {"IDF files": ["xml"]})
self._load_idf(filename)
def save_to_nexus_file(self):
filename = file_dialog(True, "Save Nexus File", NEXUS_FILE_TYPES)
self.instrument.nexus.save_file(filename)