🐛 MultiIndexEditableGrid Demo not working

[ollyhensby]

Describe the bug
MultiIndexEditableGrid Demo failing to open:

See traceback below:

Command Line Output

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:773, in Widget._handle_msg(self, msg)
    771         if 'buffer_paths' in data:
    772             _put_buffers(state, data['buffer_paths'], msg['buffers'])
--> 773         self.set_state(state)
    775 # Handle a state request.
    776 elif method == 'request_state':
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:650, in Widget.set_state(self, sync_data)

645         self._send(msg, buffers=echo_buffers)

647 # The order of these context managers is important. Properties must

648 # be locked when the hold_trait_notification context manager is

649 # released and notifications are fired.

--> 650 with self._lock_property(**sync_data), self.hold_trait_notifications():

651     for name in sync_data:

652         if name in self.keys:
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/contextlib.py:144, in _GeneratorContextManager.exit(self, typ, value, traceback)

142 if typ is None:

143     try:

--> 144         next(self.gen)

145     except StopIteration:

146         return False
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1498, in HasTraits.hold_trait_notifications(self)

1496 for changes in cache.values():

1497     for change in changes:

-> 1498         self.notify_change(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:701, in Widget.notify_change(self, change)

698     if name in self.keys and self._should_send_property(name, getattr(self, name)):

699         # Send new state to front-end

700         self.send_state(key=name)

--> 701 super().notify_change(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1513, in HasTraits.notify_change(self, change)

1511 def notify_change(self, change):

1512     """Notify observers of a change event"""

-> 1513     return self._notify_observers(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1560, in HasTraits._notify_observers(self, event)

1557 elif isinstance(c, EventHandler) and c.name is not None:

1558     c = getattr(self, c.name)

-> 1560 c(event)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget_selection.py:236, in _Selection._propagate_index(self, change)

234     self.label = label

235 if self.value is not value:

--> 236     self.value = value
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:729, in TraitType.set(self, obj, value)

727     raise TraitError('The "%s" trait is read-only.' % self.name)

728 else:

--> 729     self.set(obj, value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:718, in TraitType.set(self, obj, value)

714     silent = False

715 if silent is not True:

716     # we explicitly compare silent to True just in case the equality

717     # comparison above returns something other than True/False

--> 718     obj._notify_trait(self.name, old_value, new_value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1501, in HasTraits._notify_trait(self, name, old_value, new_value)

1500 def _notify_trait(self, name, old_value, new_value):

-> 1501     self.notify_change(

1502         Bunch(

1503             name=name,

1504             old=old_value,

1505             new=new_value,

1506             owner=self,

1507             type="change",

1508         )

1509     )
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:701, in Widget.notify_change(self, change)

698     if name in self.keys and self._should_send_property(name, getattr(self, name)):

699         # Send new state to front-end

700         self.send_state(key=name)

--> 701 super().notify_change(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1513, in HasTraits.notify_change(self, change)

1511 def notify_change(self, change):

1512     """Notify observers of a change event"""

-> 1513     return self._notify_observers(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1560, in HasTraits._notify_observers(self, event)

1557 elif isinstance(c, EventHandler) and c.name is not None:

1558     c = getattr(self, c.name)

-> 1560 c(event)
File ~/git/MXF/ipyautoui/src/ipyautoui/demo.py:212, in DemoReel._update_demo(self, on_change)

210 model = self.map_name_pydantic_model[self.select.value]

211 if self.demo.pydantic_model != model:

--> 212     self.demo.pydantic_model = model
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:729, in TraitType.set(self, obj, value)

727     raise TraitError('The "%s" trait is read-only.' % self.name)

728 else:

--> 729     self.set(obj, value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:718, in TraitType.set(self, obj, value)

714     silent = False

715 if silent is not True:

716     # we explicitly compare silent to True just in case the equality

717     # comparison above returns something other than True/False

--> 718     obj._notify_trait(self.name, old_value, new_value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1501, in HasTraits._notify_trait(self, name, old_value, new_value)

1500 def _notify_trait(self, name, old_value, new_value):

-> 1501     self.notify_change(

1502         Bunch(

1503             name=name,

1504             old=old_value,

1505             new=new_value,

1506             owner=self,

1507             type="change",

1508         )

1509     )
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:701, in Widget.notify_change(self, change)

698     if name in self.keys and self._should_send_property(name, getattr(self, name)):

699         # Send new state to front-end

700         self.send_state(key=name)

--> 701 super().notify_change(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1513, in HasTraits.notify_change(self, change)

1511 def notify_change(self, change):

1512     """Notify observers of a change event"""

-> 1513     return self._notify_observers(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1560, in HasTraits._notify_observers(self, event)

1557 elif isinstance(c, EventHandler) and c.name is not None:

1558     c = getattr(self, c.name)

-> 1560 c(event)
File ~/git/MXF/ipyautoui/src/ipyautoui/demo.py:52, in Demo._observe_pydantic_model(self, change)

47 except:

48     raise ValueError(

49         "for the Demo to work, the pydantic_model must"

50         " be defined in a separate python file."

51     )

---> 52 self._update_autoui()

53 self._update_pydantic()

54 self._update_jsonschema()
File ~/git/MXF/ipyautoui/src/ipyautoui/demo.py:106, in Demo._update_autoui(self)

105 def _update_autoui(self):

--> 106     self.autoui = AutoUi(self.pydantic_model)

107     self._update_pycall()

108     self.vbx_autoui.children = [self.vbx_pycall, self.autoui ]
File ~/git/MXF/ipyautoui/src/ipyautoui/autoui.py:285, in autoui(schema, value, path, **kwargs)

283 ui = get_autoui(schema, **kwargs)  # TODO: resolve how path is handled

284 if value is None:

--> 285     return ui(**kwargs)

286 else:

287     return ui(value=value, **kwargs)
File ~/git/MXF/ipyautoui/src/ipyautoui/custom/editgrid.py:291, in EditGrid.from_pydantic_model(cls, model, **kwargs)

289 @classmethod

290 def from_pydantic_model(cls, model: ty.Type[BaseModel], **kwargs):

--> 291     return cls(model, **kwargs)
File ~/git/MXF/ipyautoui/src/ipyautoui/custom/editgrid.py:326, in EditGrid.init(self, schema, value, by_alias, by_title, datahandler, ui_add, ui_edit, ui_delete, ui_copy, warn_on_delete, show_copy_dialogue, close_crud_dialogue_on_action, title, description, show_title, **kwargs)

322 self.datahandler = datahandler

323 getvalue = lambda value: (

324     None if value is None or value == [{}] else pd.DataFrame(value)

325 )

--> 326 self.grid = AutoGrid(

327     schema, data=getvalue(value), by_alias=self.by_alias, **kwargs

328 )

330 self._init_form()

331 if ui_add is None:
File ~/git/MXF/ipyautoui/src/ipyautoui/custom/autogrid.py:713, in AutoGrid.init(self, schema, data, by_alias, by_title, order, **kwargs)

711 self.by_title = by_title

712 self.selection_mode = MAP_TRANSPOSED_SELECTION_MODE[self.transposed]

--> 713 self.model, self.schema = asch._init_model_schema(schema, by_alias=by_alias)

714 # ^ generates gridschema

715 self.gridschema.get_traits = self.datagrid_trait_names
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:729, in TraitType.set(self, obj, value)

727     raise TraitError('The "%s" trait is read-only.' % self.name)

728 else:

--> 729     self.set(obj, value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:718, in TraitType.set(self, obj, value)

714     silent = False

715 if silent is not True:

716     # we explicitly compare silent to True just in case the equality

717     # comparison above returns something other than True/False

--> 718     obj._notify_trait(self.name, old_value, new_value)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1501, in HasTraits._notify_trait(self, name, old_value, new_value)

1500 def _notify_trait(self, name, old_value, new_value):

-> 1501     self.notify_change(

1502         Bunch(

1503             name=name,

1504             old=old_value,

1505             new=new_value,

1506             owner=self,

1507             type="change",

1508         )

1509     )
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:701, in Widget.notify_change(self, change)

698     if name in self.keys and self._should_send_property(name, getattr(self, name)):

699         # Send new state to front-end

700         self.send_state(key=name)

--> 701 super().notify_change(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1513, in HasTraits.notify_change(self, change)

1511 def notify_change(self, change):

1512     """Notify observers of a change event"""

-> 1513     return self._notify_observers(change)
File ~/miniforge3/envs/ipyautoui-dev/lib/python3.12/site-packages/traitlets/traitlets.py:1560, in HasTraits._notify_observers(self, event)

1557 elif isinstance(c, EventHandler) and c.name is not None:

1558     c = getattr(self, c.name)

-> 1560 c(event)
File ~/git/MXF/ipyautoui/src/ipyautoui/custom/autogrid.py:624, in AutoGrid._update_from_schema(self, change)

622 @tr.observe("schema")

623 def _update_from_schema(self, change):

--> 624     self.gridschema = GridSchema(self.schema, **self.kwargs)
File ~/git/MXF/ipyautoui/src/ipyautoui/custom/autogrid.py:206, in GridSchema.init(self, schema, get_traits, **kwargs)

203 self.get_traits = get_traits

205 self.map_name_index = self.get_map_name_index()

--> 206 self.map_index_name = {v: k for k, v in self.map_name_index.items()}

208 self.set_renderers(**kwargs)

210 self.column_widths = get_column_widths_from_schema(

211     schema, self.properties, self.map_name_index, **kwargs

212 )
TypeError: unhashable type: 'list'