def test_start_calibration_worker(self, task):
instrument, cer = ("test_ins", "test_cer")
old_pending = CalibrationInfo(sample_path=None, instrument=None)
self.presenter.pending_calibration = old_pending
expected_pending = CalibrationInfo(sample_path=cer,
instrument=instrument)
self.presenter.instrument = instrument
self.presenter.start_calibration_worker(cer, False, None)
self.check_calibration_equal(self.presenter.pending_calibration, expected_pending)
def test_validate_while_searching(self, create_error):
self.presenter.current_calibration = CalibrationInfo(sample_path="Fake/Path",
instrument="ENGINX")
self.view.is_searching.return_value = True
self.assertEqual(False, self.presenter._validate())
self.assertEqual(1, create_error.call_count)
def test_set_current_calibration(self):
self.presenter.calibration_notifier = MagicMock()
pending = CalibrationInfo(sample_path="test/set/path/2",
instrument="TEST_INS")
pendcpy = CalibrationInfo(sample_path="test/set/path/2",
instrument="TEST_INS")
self.presenter.pending_calibration = pending
current = CalibrationInfo(sample_path="old/cera",
instrument="ENGINX")
blank = CalibrationInfo()
self.presenter.current_calibration = current
self.presenter.set_current_calibration()
self.check_calibration_equal(self.presenter.current_calibration, pendcpy)
self.check_calibration_equal(self.presenter.pending_calibration, blank)
self.assertEqual(self.presenter.calibration_notifier.notify_subscribers.call_count, 1)
def __init__(self, model, view):
self.model = model
self.view = view
self.worker = None
self.calibration_notifier = self.CalibrationNotifier(self)
self.current_calibration = CalibrationInfo()
self.pending_calibration = CalibrationInfo()
self.connect_view_signals()
# Main Window State Variables
self.instrument = "ENGINX"
self.rb_num = None
# Cropping Options
self.cropping_widget = CroppingPresenter(parent=self.view, view=self.view.get_cropping_widget())
self.show_cropping(False)
def test_validate_with_invalid_calibration(self, create_error):
self.presenter.current_calibration = CalibrationInfo(sample_path=None,
instrument=None)
self.view.is_searching.return_value = False
self.presenter._validate()
create_error.assert_called_with(
self.presenter.view,
"Create or Load a calibration via the Calibration tab before focusing.")
def __init__(self, model, view):
self.model = model
self.view = view
self.worker = None
self.calibration_observer = CalibrationObserver(self)
# Observable Setup
self.focus_run_notifier = GenericObservable()
# Connect view signals to local methods.
self.view.set_on_focus_clicked(self.on_focus_clicked)
self.view.set_enable_controls_connection(self.set_focus_controls_enabled)
# Variables from other GUI tabs.
self.current_calibration = CalibrationInfo()
self.instrument = "ENGINX"
self.rb_num = None
last_van_path = get_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_vanadium_run")
if last_van_path:
self.view.set_van_file_text_with_search(last_van_path)
def test_calibrate_clicked_load_invalid_path(self, path, setting):
self.presenter.calibration_notifier = MagicMock()
self.view.get_new_checked.return_value = False
self.view.get_load_checked.return_value = True
path.return_value = False
current = CalibrationInfo(sample_path="old/cera",
instrument="ENGINX")
self.presenter.current_calibration = current
self.presenter.on_calibrate_clicked()
self.assertEqual(self.presenter.current_calibration, current)
self.assertEqual(self.presenter.calibration_notifier.notify_subscribers.call_count, 0)
def test_worker_started_with_correct_params_custom_crop(self, worker, setting):
self.presenter.current_calibration = CalibrationInfo(sample_path="Fake/Path",
instrument="ENGINX")
self.view.get_focus_filenames.return_value = "305738"
self.view.get_vanadium_filename.return_value = "307521"
self.presenter.current_calibration.set_roi_info(None, None, "2-45")
self.view.get_plot_output.return_value = True
self.view.is_searching.return_value = False
rp_dict_cropped = {'Cropped': 'Custom_spectra_grouping'}
self.presenter.on_focus_clicked()
worker.assert_called_with("305738", "307521", True, None, rp_dict_cropped)
self.assertEqual(1, setting.call_count)
def test_worker_started_with_correct_params(self, worker, setting):
self.presenter.current_calibration = CalibrationInfo(sample_path="Fake/Path",
instrument="ENGINX")
self.view.get_focus_filenames.return_value = "305738"
self.view.get_vanadium_filename.return_value = "307521"
# testing south bank roi info is correctly propagated
self.presenter.current_calibration.set_roi_info('2', None, None)
self.view.get_plot_output.return_value = True
self.view.is_searching.return_value = False
self.presenter.on_focus_clicked()
grp_dict_south = {'bank_2': 'SouthBank_grouping'}
worker.assert_called_with("305738", "307521", True, None, grp_dict_south)
self.assertEqual(1, setting.call_count)
def test_calibrate_clicked_load_valid_path(self, path, setting):
self.presenter.calibration_notifier = MagicMock()
self.view.get_new_checked.return_value = False
self.view.get_load_checked.return_value = True
path.return_value = True
instrument, cer, grp_ws, roi, banks = ("test_ins", "test_cer", "test_grpws", "test_roi",
['test'])
self.model.load_existing_calibration_files.return_value = instrument, cer, grp_ws, roi, banks
current = CalibrationInfo(sample_path="old/cera",
instrument="ENGINX")
new = CalibrationInfo(sample_path=cer, instrument=instrument)
new.set_roi_info_load(banks, grp_ws, roi)
self.presenter.current_calibration = current
self.presenter.on_calibrate_clicked()
self.assertEqual(self.presenter.current_calibration.get_sample(), new.get_sample())
self.assertEqual(self.presenter.current_calibration.get_instrument(), new.get_instrument())
self.assertEqual(self.presenter.calibration_notifier.notify_subscribers.call_count, 1)
class FocusPresenter(object):
def __init__(self, model, view):
self.model = model
self.view = view
self.worker = None
self.calibration_observer = CalibrationObserver(self)
# Observable Setup
self.focus_run_notifier = GenericObservable()
# Connect view signals to local methods.
self.view.set_on_focus_clicked(self.on_focus_clicked)
self.view.set_enable_controls_connection(self.set_focus_controls_enabled)
# Variables from other GUI tabs.
self.current_calibration = CalibrationInfo()
self.instrument = "ENGINX"
self.rb_num = None
last_van_path = get_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_vanadium_run")
if last_van_path:
self.view.set_van_file_text_with_search(last_van_path)
def add_focus_subscriber(self, obs):
self.focus_run_notifier.add_subscriber(obs)
def on_focus_clicked(self):
if not self._validate():
return
regions_dict = self.current_calibration.create_focus_roi_dictionary()
focus_paths = self.view.get_focus_filenames()
van_path = self.view.get_vanadium_filename()
if self._number_of_files_warning(focus_paths):
self.start_focus_worker(focus_paths, van_path, self.view.get_plot_output(), self.rb_num, regions_dict)
van_run = self.view.get_vanadium_run()
set_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_vanadium_run", van_run)
def start_focus_worker(self, focus_paths: list, van_path: str, plot_output: bool, rb_num: str, regions_dict: dict) -> None:
"""
Focus data in a separate thread to stop the main GUI from hanging.
:param focus_paths: List of paths to the files containing the data to focus.
:param plot_output: True if the output should be plotted.
:param rb_num: The RB Number from the main window (often an experiment id)
:param regions_dict: Dictionary containing the regions to focus over, mapping region_name -> grouping_ws_name
"""
self.worker = AsyncTask(self.model.focus_run,
(focus_paths, van_path, plot_output, self.instrument, rb_num, regions_dict),
error_cb=self._on_worker_error,
finished_cb=self._on_worker_success)
self.set_focus_controls_enabled(False)
self.worker.start()
def _on_worker_success(self):
self.emit_enable_button_signal()
self.focus_run_notifier.notify_subscribers(self.model.get_last_focused_files())
def set_instrument_override(self, instrument):
instrument = INSTRUMENT_DICT[instrument]
self.view.set_instrument_override(instrument)
self.instrument = instrument
def set_rb_num(self, rb_num):
self.rb_num = rb_num
def _validate(self):
"""
Ensure that the worker is ready to be started.
:return: True if the worker can be started safely.
"""
if self.view.is_searching():
create_error_message(self.view, "Mantid is searching for data files. Please wait.")
return False
if not self.view.get_focus_valid():
create_error_message(self.view, "Check run numbers/path is valid.")
return False
if not self.view.get_vanadium_valid():
create_error_message(self.view, "Check vanadium run number/path is valid.")
return False
if not self.current_calibration.is_valid():
create_error_message(
self.view, "Create or Load a calibration via the Calibration tab before focusing.")
return False
if self.current_calibration.get_instrument() != self.instrument:
create_error_message(
self.view,
"Please make sure the selected instrument matches instrument for the current calibration.\n"
"The instrument for the current calibration is: " + self.current_calibration.get_instrument())
return False
return True
def _number_of_files_warning(self, paths):
if len(paths) > 10: # Just a guess on the warning for now. May change in future.
response = QMessageBox.warning(
self.view, 'Engineering Diffraction - Warning',
'You are attempting to focus {} workspaces. This may take some time.\n\n Would you like to continue?'
.format(len(paths)), QMessageBox.Ok | QMessageBox.Cancel)
return response == QMessageBox.Ok
else:
return True
def _on_worker_error(self, error_info):
logger.error(str(error_info))
self.emit_enable_button_signal()
def set_focus_controls_enabled(self, enabled):
self.view.set_focus_button_enabled(enabled)
self.view.set_plot_output_enabled(enabled)
def emit_enable_button_signal(self):
self.view.sig_enable_controls.emit(True)
def update_calibration(self, calibration):
"""
Update the current calibration following an call from a CalibrationNotifier
:param calibration: The new current calibration.
"""
self.current_calibration = calibration
region_text = calibration.get_roi_text()
self.view.set_region_display_text(region_text)
class CalibrationPresenter(object):
def __init__(self, model, view):
self.model = model
self.view = view
self.worker = None
self.calibration_notifier = self.CalibrationNotifier(self)
self.current_calibration = CalibrationInfo()
self.pending_calibration = CalibrationInfo()
self.connect_view_signals()
# Main Window State Variables
self.instrument = "ENGINX"
self.rb_num = None
# Cropping Options
self.cropping_widget = CroppingPresenter(parent=self.view, view=self.view.get_cropping_widget())
self.show_cropping(False)
def connect_view_signals(self):
self.view.set_on_calibrate_clicked(self.on_calibrate_clicked)
self.view.set_enable_controls_connection(self.set_calibrate_controls_enabled)
self.view.set_update_field_connection(self.set_field_value)
self.view.set_on_radio_new_toggled(self.set_create_new_enabled)
self.view.set_on_radio_existing_toggled(self.set_load_existing_enabled)
self.view.set_on_check_cropping_state_changed(self.show_cropping)
def on_calibrate_clicked(self):
plot_output = self.view.get_plot_output()
if self.view.get_new_checked() and self._validate():
sample_file = self.view.get_sample_filename()
if self.view.get_crop_checked():
self.start_cropped_calibration_worker(sample_file,
plot_output, self.rb_num)
else:
self.start_calibration_worker(sample_file,plot_output, self.rb_num)
elif self.view.get_load_checked():
if not self.validate_path():
logger.notice("Invalid calibration path")
return
filename = self.view.get_path_filename()
try:
instrument, sample_file, grp_ws_name, roi_text, banks = \
self.model.load_existing_calibration_files(filename)
except:
return
self.pending_calibration.set_calibration(sample_file, instrument)
self.pending_calibration.set_roi_info_load(banks, grp_ws_name, roi_text)
self.set_current_calibration()
set_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_calibration_path", filename)
def start_calibration_worker(self, sample_path, plot_output, rb_num, bank=None, calfile=None,
spectrum_numbers=None):
"""
Calibrate the data in a separate thread so as to not freeze the GUI.
:param sample_path: Path to sample data file.
:param plot_output: Whether to plot the output.
:param rb_num: The current RB number set in the GUI.
:param bank: Optional parameter to crop by bank.
:param calfile: Custom calibration file the user can supply for the calibration region of interest.
:param spectrum_numbers: Optional parameter to crop by spectrum number.
"""
self.worker = AsyncTask(self.model.create_new_calibration, (sample_path,),
{
"plot_output": plot_output,
"instrument": self.instrument,
"rb_num": rb_num,
"bank": bank,
"calfile": calfile,
"spectrum_numbers": spectrum_numbers
},
error_cb=self._on_error,
success_cb=self._on_success)
self.pending_calibration.set_calibration(sample_path, self.instrument)
self.pending_calibration.set_roi_info(bank, calfile, spectrum_numbers)
self.set_calibrate_controls_enabled(False)
self.worker.start()
def start_cropped_calibration_worker(self, sample_path, plot_output, rb_num):
if self.cropping_widget.get_custom_calfile_enabled():
calfile = self.cropping_widget.get_custom_calfile()
self.start_calibration_worker(sample_path, plot_output, rb_num,
calfile=calfile)
elif self.cropping_widget.get_custom_spectra_enabled():
spec_nums = self.cropping_widget.get_custom_spectra()
self.start_calibration_worker(sample_path, plot_output, rb_num,
spectrum_numbers=spec_nums)
else:
bank = str(self.cropping_widget.get_bank())
self.start_calibration_worker(sample_path, plot_output, rb_num,
bank=bank)
def set_current_calibration(self, success_info=None):
if success_info:
logger.information("Thread executed in " + str(success_info.elapsed_time) + " seconds.")
self.current_calibration = deepcopy(self.pending_calibration)
self.calibration_notifier.notify_subscribers(self.current_calibration)
self.pending_calibration.clear()
def load_last_calibration(self) -> None:
"""
Loads the most recently created or loaded calibration into the interface instance. To be used on interface
startup.
"""
last_cal_path = get_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_calibration_path")
if last_cal_path:
self.view.set_load_checked(True)
self.view.set_file_text_with_search(last_cal_path)
def set_field_value(self):
self.view.set_sample_text(self.current_calibration.get_sample())
def set_instrument_override(self, instrument):
instrument = INSTRUMENT_DICT[instrument]
self.view.set_instrument_override(instrument)
self.instrument = instrument
def set_rb_num(self, rb_num):
self.rb_num = rb_num
def _validate(self):
# Do nothing if run numbers are invalid or view is searching.
if self.view.is_searching():
create_error_message(self.view, "Mantid is searching for data files. Please wait.")
return False
if not self.view.get_sample_valid():
create_error_message(self.view, "Check run numbers/path is valid.")
return False
if self.view.get_crop_checked():
if self.cropping_widget.get_custom_calfile_enabled() and not self.cropping_widget.is_calfile_valid():
create_error_message(self.view, "Check custom calfile path is valid.")
return False
if self.cropping_widget.get_custom_spectra_enabled() and not self.cropping_widget.is_spectra_valid():
create_error_message(self.view, "Check custom spectra are valid.")
return False
return True
def validate_path(self):
return self.view.get_path_valid()
def emit_enable_button_signal(self):
self.view.sig_enable_controls.emit(True)
def set_calibrate_controls_enabled(self, enabled):
self.view.set_calibrate_button_enabled(enabled)
def _on_error(self, error_info):
logger.error(str(error_info))
self.emit_enable_button_signal()
def _on_success(self, success_info):
self.set_current_calibration(success_info)
self.emit_enable_button_signal()
def set_create_new_enabled(self, enabled):
self.view.set_sample_enabled(enabled)
if enabled:
self.set_calibrate_button_text("Calibrate")
self.view.set_check_plot_output_enabled(True)
self.view.set_check_cropping_enabled(True)
self.find_files()
def set_load_existing_enabled(self, enabled):
self.view.set_path_enabled(enabled)
if enabled:
self.set_calibrate_button_text("Load")
self.view.set_check_plot_output_enabled(False)
self.view.set_check_cropping_enabled(False)
self.view.set_check_cropping_checked(False)
def set_calibrate_button_text(self, text):
self.view.set_calibrate_button_text(text)
def find_files(self):
self.view.find_sample_files()
def show_cropping(self, show):
self.view.set_cropping_widget_visibility(show)
# -----------------------
# Observers / Observables
# -----------------------
class CalibrationNotifier(Observable):
def __init__(self, outer):
Observable.__init__(self)
self.outer = outer
def notify_subscribers(self, *args, **kwargs):
Observable.notify_subscribers(self, *args)
def setUp(self):
self.test_dir = tempfile.mkdtemp()
self.model = model.FocusModel()
self.current_calibration = CalibrationInfo(
sample_path="this_is_mocked_out_too", instrument="ENGINX")