def computeExpressionAttribute(self, lookup_node, attribute_name,
trace_collection):
value = self.getCompileTimeConstant()
if self.computed_attribute is None:
self.computed_attribute = hasattr(value, attribute_name)
# If it raises, or the attribute itself is a compile time constant,
# then do execute it.
if not self.computed_attribute or \
isCompileTimeConstantValue(getattr(value, attribute_name)):
return trace_collection.getCompileTimeComputationResult(
node=lookup_node,
computation=lambda: getattr(value, attribute_name),
description="Attribute '%s' pre-computed." % (attribute_name))
return lookup_node, None, None
def computeExpressionAttribute(self, lookup_node, attribute_name, trace_collection):
value = self.getCompileTimeConstant()
if self.computed_attribute is None:
self.computed_attribute = hasattr(value, attribute_name)
# If it raises, or the attribute itself is a compile time constant,
# then do execute it.
if not self.computed_attribute or isCompileTimeConstantValue(
getattr(value, attribute_name)
):
return trace_collection.getCompileTimeComputationResult(
node=lookup_node,
computation=lambda: getattr(value, attribute_name),
description="Attribute '%s' pre-computed." % (attribute_name),
)
return lookup_node, None, None