Merge pull request #802 from ioam/filter_style_backend

Filter style keywords according to backend

holoviews/core/options.py

@@ -296,6 +296,17 @@ def __init__(self, key=None, allowed_keywords=None, merge_keywords=True, **kwarg
         super(Options, self).__init__(allowed_keywords=allowed_keywords,
                                       merge_keywords=merge_keywords, key=key)
 
+    def filtered(self, allowed):
+        """
+        Return a new Options object that is filtered by the specified
+        list of keys. Mutating self.kwargs to filter is unsafe due to
+        the option expansion that occurs on initialization.
+        """
+        kws = {k:v for k,v in self.kwargs.items() if k in allowed}
+        return self.__class__(key=self.key,
+                              allowed_keywords=self.allowed_keywords,
+                              merge_keywords=self.merge_keywords, **kws)
+
 
     def __call__(self, allowed_keywords=None, **kwargs):
         """

holoviews/plotting/plot.py

@@ -68,7 +68,18 @@ def __len__(self):
 
     @classmethod
     def lookup_options(cls, obj, group):
-        return Store.lookup_options(cls.renderer.backend, obj, group)
+        try:
+            plot_class = cls.renderer.plotting_class(obj)
+            style_opts = plot_class.style_opts
+        except SkipRendering:
+            style_opts = None
+
+        node = Store.lookup_options(cls.renderer.backend, obj, group)
+        if group == 'style' and style_opts:
+            return node.filtered(style_opts)
+        else:
+            return node
+
 
 
 class PlotSelector(object):