def _add_creep_plot_fired(self):
plt = self.figure
if (len(self.plot_list) >= self.plots_num):
dialog = MessageDialog(
title='Attention!', message='Max plots number is {}'.format(self.plots_num))
dialog.open()
return
disp_max = self.x_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.x_axis + '_max.npy'))
disp_min = self.x_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.x_axis + '_min.npy'))
print('Adding creep plot...')
mpl.rcParams['agg.path.chunksize'] = 50000
self.apply_new_subplot()
plt.xlabel('Cycles number')
plt.ylabel('mm')
plt.title('Fatigue creep curve', fontsize=20)
plt.plot(np.arange(0, disp_max.size), disp_max,
'k', linewidth=0.8, color='red')
plt.plot(np.arange(0, disp_min.size), disp_min,
'k', linewidth=0.8, color='green')
self.plot_list.append('Plot {}'.format(len(self.plot_list) + 1))
print('Finished adding creep plot!')
def _polynomial_order_changed(self, new):
if new >= self.window_length:
dialog = MessageDialog(
title='Attention!',
message='Polynomial order must be less than window length.')
dialog.open()
def __animate_fired(self):
try:
self.handler.animate(self._number_of_runs, ui=True,
update_all_scenes=self._update_all_scenes)
except RuntimeError as exception:
message_dialog = MessageDialog()
message_dialog.error(exception.message)
def __add_to_scene_fired(self):
added_source_indices = [] # sources that are sucessfully added
err_messages = [] # keep all error messages for display at once
# add source one by one
for index, source in enumerate(self._pending_engine_sources):
try:
add_source_and_modules_to_scene(self.mayavi_engine, source)
except Exception as exception:
message_format = ("{err_type} (while adding {source}):\n"
" {message}")
text = message_format.format(err_type=type(exception).__name__,
message=exception.message,
source=source.dataset)
err_messages.append(text)
else:
added_source_indices.append(index)
# Display error messages if there is any
if len(err_messages) > 0:
message_dialog = MessageDialog()
message_dialog.error("\n".join(err_messages))
# Keep the sources failed to be added
for index in added_source_indices[::-1]:
self._pending_engine_sources.pop(index)
def max_plots_number_is_reached(self):
if len(self.plot_list) >= self.plots_num:
dialog = MessageDialog(title='Attention!',
message='Max plots number is {}'.format(
self.plots_num))
dialog.open()
return True
else:
return False
def filtered_and_creep_npy_files_exist(self, path):
if os.path.exists(path) == True:
return True
else:
dialog = MessageDialog(
title='Attention!',
message='Please generate filtered and creep npy files first.'.
format(self.plots_num))
dialog.open()
return False
def npy_files_exist(self, path):
if os.path.exists(path) == True:
return True
else:
dialog = MessageDialog(
title='Attention!',
message='Please parse csv file to generate npy files first.'.
format(self.plots_num))
dialog.open()
return False
def _get_h5_tree(self):
if self.filename is None:
return None
try:
self.h5file = openFile(self.filename, "a")
return _hdf5_tree(self.h5file)
except Exception, exc:
dlg = MessageDialog(title='Could not open file %s' % self.filename,
message=str(exc))
dlg.open()
return None
def _get_h5_tree(self):
if self.filename is None:
return None
try:
self.h5file = openFile(self.filename, "a")
return _hdf5_tree(self.h5file)
except Exception, exc:
dlg = MessageDialog(title='Could not open file %s' % self.filename,
message=str(exc))
dlg.open()
return None
def _get_data(self):
""" The filename has changed, so try to read in a new dataset.
Note that we can display the array directly.
"""
if not self.filename:
return numpy.array([], dtype=iris_dtype)
try:
# load into an array
return load_iris(self.filename)
except Exception, exc:
dlg = MessageDialog(title='Could not open file %s' % self.filename,
message=str(exc))
dlg.open()
return numpy.array([], dtype=iris_dtype)
def close(self, info, is_ok):
""" Handles the user attempting to close the dialog.
If it is via the OK dialog button, try to create an account before
closing. If this fails, display an error message and veto the close
by returning false.
"""
if is_ok:
success, message = info.model.create_account()
if not success:
dlg = MessageDialog(message="Cannot create account",
informative=message,
severity='error')
dlg.open()
return False
return True
def open_file(self, ui_info):
wildcard = 'NetCDF (*.nc)|*.nc|All files|*.*'
fd = FileDialog(action='open',
title='Open CERES EBAF data file',
wildcard=wildcard)
if fd.open() == OK:
basename = os.path.basename(fd.path)
if not (basename.endswith('.nc') and basename.startswith('CERES')):
msg = MessageDialog(message='Not a valid CERES file. Valid files follow the form CERES*.nc?', severity='warning', title='invalid file')
msg.open()
return
print 'Opening ' + fd.path
self.view.open_ceres_data(fd.path)
self.view.update_plot()
def exception_handler(self, exc_type, exc_value, exc_traceback):
""" Handle un-handled exceptions """
if not isinstance(exc_value, Exception):
# defer to usual exception handler
sys.__excepthook__(exc_type, exc_value, exc_traceback)
logging.error('Unhandled exception:', exc_info=(exc_type, exc_value, exc_traceback))
from traceback import format_tb
from pyface.api import MessageDialog
informative = "{0}: {1}".format(exc_type.__name__, str(exc_value))
detail = '\n'.join(format_tb(exc_traceback))
dlg = MessageDialog(severity='error', message="Unhandled Exception",
informative=informative, detail=detail,
size=(800,600))
dlg.open()
def exception_handler(self, exc_type, exc_value, exc_traceback):
""" Handle un-handled exceptions """
if not isinstance(exc_value, Exception):
# defer to usual exception handler
sys.__excepthook__(exc_type, exc_value, exc_traceback)
logging.error('Unhandled exception:', exc_info=(exc_type, exc_value, exc_traceback))
from traceback import format_tb
from pyface.api import MessageDialog
informative = "{0}: {1}".format(exc_type.__name__, str(exc_value))
detail = '\n'.join(format_tb(exc_traceback))
dlg = MessageDialog(severity='error', message="Unhandled Exception",
informative=informative, detail=detail,
size=(800,600))
dlg.open()
def _add_plot_fired(self):
if False: # (len(self.plot_list) >= self.plots_num):
dialog = MessageDialog(
title='Attention!', message='Max plots number is {}'.format(self.plots_num))
dialog.open()
return
print('Loading npy files...')
if self.apply_filters:
x_axis_name = self.x_axis + '_filtered'
y_axis_name = self.y_axis + '_filtered'
x_axis_array = self.x_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.x_axis + '_filtered.npy'))
y_axis_array = self.y_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.y_axis + '_filtered.npy'))
else:
x_axis_name = self.x_axis
y_axis_name = self.y_axis
x_axis_array = self.x_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.x_axis + '.npy'))
y_axis_array = self.y_axis_multiplier * \
np.load(os.path.join(self.npy_folder_path,
self.file_name + '_' + self.y_axis + '.npy'))
print('Adding Plot...')
mpl.rcParams['agg.path.chunksize'] = 50000
# plt.figure(self.plot_figure_num)
ax = self.figure.add_subplot(1, 1, 1)
ax.set_xlabel('Displacement [mm]')
ax.set_ylabel('kN')
ax.set_title('Original data', fontsize=20)
ax.plot(x_axis_array, y_axis_array, 'k', linewidth=0.8)
self.plot_list.append('{}, {}'.format(x_axis_name, y_axis_name))
self.data_changed = True
print('Finished adding plot!')
def _window_length_changed(self, new):
if new <= self.polynomial_order:
dialog = MessageDialog(
title='Attention!',
message='Window length must be bigger than polynomial order.')
dialog.open()
if new % 2 == 0 or new <= 0:
dialog = MessageDialog(
title='Attention!',
message='Window length must be odd positive integer.')
dialog.open()
def __add_dataset_fired(self):
if self.engine is None:
message_dialog = MessageDialog()
message_dialog.error("No engine is selected")
return
if len(self.engine.get_dataset_names()) == 0:
message_dialog = MessageDialog()
message_dialog.error("The engine has no dataset")
return
source = EngineSource(engine=self.engine)
source.engine_name = self.engine_name
source._dataset_changed()
# Default trait view of EngineSource
source_view = source.trait_view()
# Add handler for appending to the list of pending sources
source_view.handler = PendingEngineSourceHandler()
# Add buttons
AddToPending = Action(name="Confirm",
action="append_list")
source_view.buttons = [AddToPending, "Cancel"]
return self.edit_traits(view=source_view,
context={"object": source,
"manager": self})
def test_on_message_dialog(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
# accept
tester.open_and_run(when_opened=lambda x: x.close(accept=True))
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, OK)
self.assertTrue(tester.dialog_was_opened)
# reject
tester.open_and_run(when_opened=lambda x: x.close())
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, CANCEL)
self.assertTrue(tester.dialog_was_opened)
def test_text_format(self):
dialog = MessageDialog(
parent=None,
title="Dialog title",
message="Printer on fire",
informative="Your printer is on fire",
details="Temperature exceeds 1000 degrees",
severity="error",
text_format="plain",
size=(600, 400),
)
with self.create_dialog(dialog):
text_format = dialog.control.textFormat()
self.assertEqual(text_format, QtCore.Qt.TextFormat.PlainText)
def test_escape_button_no_details(self):
dialog = MessageDialog(
parent=None,
title="Dialog title",
message="Printer on fire",
informative="Your printer is on fire",
severity="error",
size=(600, 400),
)
with self.create_dialog(dialog):
escape_button = dialog.control.escapeButton()
ok_button = dialog.control.button(QtGui.QMessageBox.Ok)
# It's possible for both the above to be None, so double check.
self.assertIsNotNone(escape_button)
self.assertIs(escape_button, ok_button)
def test_capture_errors_on_failure(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
def failure(tester):
try:
with tester.capture_error():
# this failure will appear in the console and get recorded
self.fail()
finally:
tester.close()
with self.assertRaises(AssertionError):
alt_stderr = io.StringIO
with silence_output(err=alt_stderr):
tester.open_and_run(when_opened=failure)
self.assertIn('raise self.failureException(msg)', alt_stderr)
def test_capture_errors_on_error(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
def raise_error(tester):
try:
with tester.capture_error():
# this error will appear in the console and get recorded
1 / 0
finally:
tester.close()
with self.assertRaises(ZeroDivisionError):
alt_stderr = io.StringIO
with silence_output(err=alt_stderr):
tester.open_and_run(when_opened=raise_error)
self.assertIn('ZeroDivisionError', alt_stderr)
def _batch_proc_fired(self):
new_dir = DirectoryDialog(
new_directory=True,
message='Choose a directory to save batch-processed files')
if new_dir.open() != OK:
return
if new_dir.path == self.file_dir:
MessageDialog(
message=
'Not letting you over-write the current directory!! Choose another'
).open()
return
file_names = self.working_files
file_objs = [self._file_map[f] for f in file_names]
print('Batch path:', new_dir.path)
if self.batch_with_handoff:
handoff_filter_hdf5_files(file_objs, new_dir.path, self.filters)
else:
batch_filter_hdf5_files(file_objs, new_dir.path, self.filters)
self.filters.save_pipeline(os.path.join(new_dir.path, 'filters.txt'))
def _setup_run_parameters(self):
CM = self.engine.CM
# For interacting with the engine
if CUBA.TIME_STEP in CM:
self.time_step = CM[CUBA.TIME_STEP]
else:
text = "engine.CM[TIME_STEP] is not found."
message_dialog = MessageDialog()
message_dialog.error(text)
if CUBA.NUMBER_OF_TIME_STEPS in CM:
value = CM[CUBA.NUMBER_OF_TIME_STEPS]
self.number_of_time_steps = value
else:
text = "engine.CM[NUMBER_OF_TIME_STEPS] is not found."
message_dialog = MessageDialog()
message_dialog.error(text)
def launch(self):
if not os.path.exists(self.file_data.file):
return
# Logic to normalize channel mapping
# TODO: handle reference channels correctly
if self.chan_map == 'unknown':
try:
nc = np.array(list(map(int, self.skip_chan.split(','))))
except:
nc = []
geo = list(map(int, self.elec_geometry.split(',')))
n_sig_chan = self.n_chan - len(nc)
chan_map = ChannelMap(np.arange(n_sig_chan), geo)
elif self.chan_map == 'active':
chan_map, nc = self.file_data.make_channel_map()
elif self.chan_map in _subset_chan_maps:
cnx = self.chan_map_connectors.split(',')
cnx = [c.strip() for c in cnx]
chan_map, nc, rf = get_electrode_map(self.chan_map, connectors=cnx)
nc = list(set(nc).union(rf))
elif self.chan_map in _subset_shortcuts:
cnx = _subset_shortcuts[self.chan_map]
map_name, shortcut = self.chan_map.split('/')
chan_map, nc, rf = get_electrode_map(map_name, connectors=cnx)
nc = list(set(nc).union(rf))
elif self.chan_map == 'settable':
chan_map = self.set_chan_map
nc = []
elif self.chan_map == 'pickled':
try:
chan_map = find_pickled_map(self.file_data.file)
nc = []
except NoPickleError:
MessageDialog(message='No pickled ChannelMap').open()
return
else:
chan_map, nc, rf = get_electrode_map(self.chan_map)
nc = list(set(nc).union(rf))
# Check for transposed active data (coming from matlab)
if isinstance(self.file_data,
ActiveArrayFileData) and self.file_data.is_transpose:
self.file_data.create_transposed()
print(self.file_data.file)
with h5py.File(self.file_data.file, 'r') as h5:
#x_scale = h5[self.file_data.fs_field].value ** -1.0
x_scale = self.file_data.Fs**-1.0
array_size = h5[self.file_data.data_field].shape[0]
num_vectors = len(chan_map) + len(nc)
data_channels = [
self.file_data.data_channels[i] for i in range(num_vectors)
if i not in nc
]
# permute channels to stack rows
chan_idx = list(zip(*chan_map.to_mat()))
chan_order = chan_map.lookup(*list(zip(*sorted(chan_idx)[::-1])))
data_channels = [data_channels[i] for i in chan_order]
cls = type(chan_map)
chan_map = cls([chan_map[i] for i in chan_order],
chan_map.geometry,
pitch=chan_map.pitch,
col_major=chan_map.col_major)
filters = self.filters.make_pipeline(x_scale**-1.0)
array = self.file_data._compose_arrays(filters)
if self.screen_channels:
data_channels, chan_map = \
self._get_screen(array, data_channels, chan_map, x_scale**-1.0)
rm = np.zeros((array_size, ), dtype='?')
rm[data_channels] = True
nav = h5mean(array.file_array, 0, rowmask=rm)
nav *= self.file_data.y_scale
modules = [ana_modules[k] for k in self.module_set]
new_vis = FastScroller(array,
self.file_data.y_scale,
self.offset * 1e-6,
chan_map,
nav,
x_scale=x_scale,
load_channels=data_channels,
max_zoom=self.max_window_width)
file_name = os.path.split(self.file_data.file)[1]
file_name = os.path.splitext(file_name)[0]
v_win = VisWrapper(new_vis,
x_scale=x_scale,
chan_map=chan_map,
y_spacing=self.offset,
modules=modules,
recording=file_name)
view = v_win.default_traits_view()
# TODO: it would be nice to be able to directly call launch() without first showing *this* object's panel
view.kind = 'live'
ui = v_win.edit_traits(view=view)
return v_win
def message_box(message,title,severity):
from pyface.api import MessageDialog
dialog = MessageDialog(message= message, title= title, severity=severity)
dialog.open()
