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Fix Toolbar initialization to prevent widget serialization crash in Solara #2324

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Fix Toolbar initialization to prevent widget serialization crash in Solara #2324

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dda54aa
Initial plan
Copilot Oct 30, 2025
206fe63
Fix Toolbar initialization for Solara compatibility
Copilot Oct 30, 2025
170fd18
Fix comment formatting in toolbar.py
giswqs Oct 30, 2025
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7 changes: 5 additions & 2 deletions geemap/toolbar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -127,8 +127,11 @@ def __init__(
callback=self._toggle_callback,
reset=True,
)
self.main_tools = main_tools + ([self.toggle_widget] if extra_tools else [])
self.extra_tools = extra_tools
# Use hold_trait_notifications to avoid triggering widget serialization
# during initialization, which can cause issues in Solara and other environments.
with self.hold_trait_notifications():
self.main_tools = main_tools + ([self.toggle_widget] if extra_tools else [])
self.extra_tools = extra_tools
for widget in self.main_tools + self.extra_tools:
widget.callback_wrapper = lambda callback, value, tool: callback(
self.host_map, value, tool
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