Turn off specialize() for Count objects

Turn off specialize() for Count objects, which is adding dedicated fill and plot
functions. This is slow, and not needed for Count objects.

Author: mbaak

histogrammar/defs.py

@@ -123,6 +123,8 @@ def specialize(self):
         These objects wouldn't satisfy any of ``addImplicitMethod``'s checks anyway.
         """
         if spec:
+            # MB 20220517: warning, this is a slow function.
+            # Adding functions to each object, ideally avoid this.
             histogrammar.specialized.addImplicitMethods(self)
 
         self.fill = FillMethod(self, self.fill)
@@ -236,8 +238,12 @@ def plot(self, httpServer=None, **parameters):
 
     def __getstate__(self):
         state = dict(self.__dict__)
-        del state["fill"]
-        del state["plot"]
+        for s in ['fill', 'plot']:
+            # these states are set dynamically by FillMethod and PlotMethod, in factory.specialize().
+            # MB 20220517: turned off specialize() for Count objects,
+            # for which specialized fill and plot methods are not needed.
+            if s in state:
+                del state[s]
         return state
 
     def __setstate__(self, dict):

histogrammar/primitives/count.py

@@ -50,7 +50,7 @@ def ed(entries):
             raise ValueError("entries ({0}) cannot be negative".format(entries))
         out = Count()
         out.entries = float(entries)
-        return out.specialize()
+        return out
 
     @staticmethod
     def ing(transform=identity):
@@ -69,7 +69,6 @@ def __init__(self, transform=identity):
         self.entries = 0.0
         self.transform = serializable(transform)
         super(Count, self).__init__()
-        self.specialize()
 
     @inheritdoc(Container)
     def zero(self):
@@ -80,7 +79,7 @@ def __add__(self, other):
         if isinstance(other, Count):
             out = Count(self.transform)
             out.entries = self.entries + other.entries
-            return out.specialize()
+            return out
         else:
             raise ContainerException("cannot add {0} and {1}".format(self.name, other.name))
 
@@ -106,7 +105,7 @@ def __mul__(self, factor):
         else:
             out = self.zero()
             out.entries = factor * self.entries
-            return out.specialize()
+            return out
 
     @inheritdoc(Container)
     def __rmul__(self, factor):