Hold rendering until a plot has been fully updated (#6265)

Co-authored-by: Simon Høxbro Hansen <[email protected]>

holoviews/plotting/bokeh/element.py

@@ -81,6 +81,7 @@
     get_ticker_axis_props,
     glyph_order,
     hold_policy,
+    hold_render,
     match_ax_type,
     match_dim_specs,
     match_yaxis_type_to_range,
@@ -2228,6 +2229,7 @@ def _reset_ranges(self):
                         if isinstance(s, RangeXY) and not s._triggering:
                             s.reset()
 
+    @hold_render
     def update_frame(self, key, ranges=None, plot=None, element=None):
         """
         Updates an existing plot with data corresponding
@@ -3379,6 +3381,7 @@ def initialize_plot(self, ranges=None, plot=None, plots=None):
 
         return self.handles['plot']
 
+    @hold_render
     def update_frame(self, key, ranges=None, element=None):
         """
         Update the internal state of the Plot to represent the given

holoviews/plotting/bokeh/util.py

@@ -856,6 +856,21 @@ def wrapper(self, *args, **kwargs):
     return wrapper
 
 
+def hold_render(f):
+    """
+    Decorator that will hold render on a Bokeh ElementPlot until after
+    the method has been called.
+    """
+    def wrapper(self, *args, **kwargs):
+        hold = self.state.hold_render
+        self.state.hold_render = True
+        try:
+            return f(self, *args, **kwargs)
+        finally:
+            self.state.hold_render = hold
+    return wrapper
+
+
 def categorize_array(array, dim):
     """
     Uses a Dimension instance to convert an array of values to categorical