FigureWidget doesn't allow draggable polygon

Chưa có ai nhận issue này.

Using the following minimal code I wasn't able to draw a closed path and then drag and drop the polygon. Check the full error code.

from plotly.graph_objs._figurewidget import FigureWidget

FigureWidget(
    layout={
        'modebar': {
            "add": [
                "drawclosedpath",
                "eraseshape",
            ]
        },
    }
)

Full error code

ValueError                                Traceback (most recent call last)
File ~/micromamba/envs/streetsurface/lib/python3.10/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 ~/micromamba/envs/streetsurface/lib/python3.10/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 ~/micromamba/envs/streetsurface/lib/python3.10/contextlib.py:142, in _GeneratorContextManager.__exit__(self, typ, value, traceback)
    140 if typ is None:
    141     try:
--> 142         next(self.gen)
    143     except StopIteration:
    144         return False

File ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/traitlets/traitlets.py:1502, in HasTraits.hold_trait_notifications(self)
   1500 for changes in cache.values():
   1501     for change in changes:
-> 1502         self.notify_change(change)

File ~/micromamba/envs/streetsurface/lib/python3.10/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 ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/traitlets/traitlets.py:1517, in HasTraits.notify_change(self, change)
   1515 def notify_change(self, change):
   1516     """Notify observers of a change event"""
-> 1517     return self._notify_observers(change)

File ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/traitlets/traitlets.py:1564, in HasTraits._notify_observers(self, event)
   1561 elif isinstance(c, EventHandler) and c.name is not None:
   1562     c = getattr(self, c.name)
-> 1564 c(event)

File ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/plotly/basewidget.py:644, in BaseFigureWidget._handler_js2py_relayout(self, change)
    640     relayout_data.pop("lastInputTime")
    642 # Perform relayout
    643 # ----------------
--> 644 self.plotly_relayout(relayout_data=relayout_data, source_view_id=source_view_id)
    646 self._js2py_relayout = None

File ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/plotly/basedatatypes.py:2612, in BaseFigure.plotly_relayout(self, relayout_data, **kwargs)
   2608     msg_kwargs = {}
   2610 # Perform relayout operation on layout dict
   2611 # -----------------------------------------
-> 2612 relayout_changes = self._perform_plotly_relayout(relayout_data)
   2613 if relayout_changes:
   2614     # The relayout operation resulted in a change to some layout
   2615     # properties, so we dispatch change callbacks and send the
   2616     # relayout message to the frontend (if any)
   2617     self._send_relayout_msg(relayout_changes, **msg_kwargs)

File ~/micromamba/envs/streetsurface/lib/python3.10/site-packages/plotly/basedatatypes.py:2648, in BaseFigure._perform_plotly_relayout(self, relayout_data)
   2644         for key_path_str, v in relayout_data.items():
   2646             if not BaseFigure._is_key_path_compatible(key_path_str, self.layout):
-> 2648                 raise ValueError(
   2649                     """
   2650 Invalid property path '{key_path_str}' for layout
   2651 """.format(
   2652                         key_path_str=key_path_str
   2653                     )
   2654                 )
   2656             # Apply set operation on the layout dict
   2657             val_changed = BaseFigure._set_in(self._layout, key_path_str, v)

ValueError: 
Invalid property path 'shapes[0].path' for layout

Bắt đầu bằng cách tái hiện ví dụ FigureWidget tối thiểu và lần theo BaseFigureWidget._handler_js2py_relayout đến BaseFigure._perform_plotly_relayout, nơi lỗi được phát sinh do property path không hợp lệ shapes[0].path. Kiểm tra cách drawclosedpath và thao tác kéo cập nhật các layout shapes, sau đó xác minh rằng việc vẽ và kéo một đa giác khép kín không còn phát sinh lỗi này.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.

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