def _base(self, code, value, inputs, **mapping):
e = Expression.from_string(code)
self.assertEqual(set(inputs), set(e.inputs))
self.assertEqual(set([]), set(e.outputs))
self.assertEqual(value, e.evaluate(dict(mapping)))
def _filter_changed ( self, filter ):
""" Handles the 'filter' expression being changed.
"""
self._block = ExpressionBlock.from_string( filter )
self._inputs = dict.fromkeys( self._block.inputs )
self.updated = True
self._name_updated()
def _base(self, code, value, inputs, **mapping):
e = Expression.from_string(code)
self.assertEqual(set(inputs), set(e.inputs))
self.assertEqual(set([]), set(e.outputs))
self.assertEqual(value, e.evaluate(dict(mapping)))
def _evaluate_changed(self, evaluate):
""" Handles the 'evaluate' trait being changed.
"""
self._block = ExpressionBlock.from_string(evaluate)
self._inputs = dict.fromkeys(self._block.inputs)
self._data = None
if self.context is not None:
self.context.post_context_modified(
ContextModified(modified=[self.name]))
def _evaluate_changed ( self, evaluate ):
""" Handles the 'evaluate' trait being changed.
"""
self._block = ExpressionBlock.from_string( evaluate )
self._inputs = dict.fromkeys( self._block.inputs )
self._data = None
if self.context is not None:
self.context.post_context_modified(
ContextModified( modified = [ self.name ] )
)
