def populate_presets(self):
"""Show the available presets for the selected device.
This will destroy unsaved changes in the custom_mapping.
"""
device = self.selected_device
presets = get_presets(device)
if len(presets) == 0:
new_preset = get_available_preset_name(self.selected_device)
custom_mapping.empty()
path = get_preset_path(self.selected_device, new_preset)
custom_mapping.save(path)
presets = [new_preset]
else:
logger.debug('"%s" presets: "%s"', device, '", "'.join(presets))
preset_selection = self.get('preset_selection')
with HandlerDisabled(preset_selection, self.on_select_preset):
# otherwise the handler is called with None for each preset
preset_selection.remove_all()
for preset in presets:
preset_selection.append(preset, preset)
# and select the newest one (on the top). triggers on_select_preset
preset_selection.set_active(0)
def create_preset(self, copy=False):
"""Create a new preset and select it."""
self.save_preset()
try:
if copy:
new_preset = get_available_preset_name(self.selected_device,
self.selected_preset,
copy)
else:
new_preset = get_available_preset_name(self.selected_device)
custom_mapping.empty()
path = get_preset_path(self.selected_device, new_preset)
custom_mapping.save(path)
self.get('preset_selection').append(new_preset, new_preset)
self.get('preset_selection').set_active_id(new_preset)
except PermissionError as error:
error = str(error)
self.show_status(CTX_ERROR, 'Permission denied!', error)
logger.error(error)
def on_create_preset_clicked(self, _):
"""Create a new preset and select it."""
if custom_mapping.changed and unsaved_changes_dialog() == GO_BACK:
return
try:
new_preset = get_available_preset_name(self.selected_device)
custom_mapping.empty()
path = get_preset_path(self.selected_device, new_preset)
custom_mapping.save(path)
self.get('preset_selection').append(new_preset, new_preset)
self.get('preset_selection').set_active_id(new_preset)
except PermissionError as error:
error = str(error)
self.show_status(CTX_ERROR, 'Error: Permission denied!', error)
logger.error(error)
def test_get_available_preset_name(self):
# no filename conflict
self.assertEqual(get_available_preset_name('_', 'qux 2'), 'qux 2')
touch(get_preset_path('_', 'qux 5'))
self.assertEqual(get_available_preset_name('_', 'qux 5'), 'qux 6')
touch(get_preset_path('_', 'qux'))
self.assertEqual(get_available_preset_name('_', 'qux'), 'qux 2')
touch(get_preset_path('_', 'qux1'))
self.assertEqual(get_available_preset_name('_', 'qux1'), 'qux1 2')
touch(get_preset_path('_', 'qux 2 3'))
self.assertEqual(get_available_preset_name('_', 'qux 2 3'), 'qux 2 4')
touch(get_preset_path('_', 'qux 5'))
self.assertEqual(get_available_preset_name('_', 'qux 5', True),
'qux 5 copy')
touch(get_preset_path('_', 'qux 5 copy'))
self.assertEqual(get_available_preset_name('_', 'qux 5', True),
'qux 5 copy 2')
touch(get_preset_path('_', 'qux 5 copy 2'))
self.assertEqual(get_available_preset_name('_', 'qux 5', True),
'qux 5 copy 3')
touch(get_preset_path('_', 'qux 5copy'))
self.assertEqual(get_available_preset_name('_', 'qux 5copy', True),
'qux 5copy copy')
touch(get_preset_path('_', 'qux 5copy 2'))
self.assertEqual(get_available_preset_name('_', 'qux 5copy 2', True),
'qux 5copy 2 copy')
touch(get_preset_path('_', 'qux 5copy 2 copy'))
self.assertEqual(
get_available_preset_name('_', 'qux 5copy 2 copy', True),
'qux 5copy 2 copy 2')
def create_preset(group_name, name='new preset'):
name = get_available_preset_name(group_name, name)
custom_mapping.empty()
custom_mapping.save(get_preset_path(group_name, name))
