added conv(adj) to map to conv(adj.get_current_value()) for conv in (int, float, round, trunc, floor, ceil)

slic/core/adjustable/adjustable.py

@@ -2,11 +2,11 @@ from slic.utils import typename
 from slic.core.task import TaskProducer
 from .baseadjustable import BaseAdjustable
 from .error import AdjustableError
-from .convenience import SpecConvenience
+from .convenience import SpecConvenience, NumericConvenience
 from .limited import Limited
 
 
-class Adjustable(BaseAdjustable, TaskProducer, SpecConvenience, Limited):
+class Adjustable(BaseAdjustable, TaskProducer, SpecConvenience, NumericConvenience, Limited):
 
     stop = None #TODO: might be better to make this callable
 

slic/core/adjustable/convenience.py

@@ -1,3 +1,34 @@
+from math import trunc, floor, ceil
+
+
+class NumericConvenience:
+
+    def __int__(self):
+        v = self.get_current_value()
+        return int(v)
+
+    def __float__(self):
+        v = self.get_current_value()
+        return float(v)
+
+
+    def __round__(self, *args, **kwargs):
+        v = self.get_current_value()
+        return round(v, *args, **kwargs)
+
+    def __trunc__(self):
+        v = self.get_current_value()
+        return trunc(v)
+
+    def __floor__(self):
+        v = self.get_current_value()
+        return floor(v)
+
+    def __ceil__(self):
+        v = self.get_current_value()
+        return ceil(v)
+
+
 
 class SpecConvenience: