def fns(self):
"""Returns a read-only view of layer local functions.
Functions can be accessed by index (['name']) or attribute notation
(`fns.foo`).
Returns:
Read-only attribute accessible dict view of the layer's function library.
"""
return py_utils.ReadOnlyAttrDictView(self._private_fns)
def testWrapping(self):
backing = dict()
view = py_utils.ReadOnlyAttrDictView(backing)
backing['test'] = 1
self.assertEquals(1, view['test'])
self.assertEquals(1, view.test)
# Item assign.
with self.assertRaises(AttributeError):
view['test'] = 2
self.assertEquals(1, view['test'])
# Attr assign.
with self.assertRaises(AttributeError):
view.test = 2
self.assertEquals(1, view['test'])
# Delete attr.
with self.assertRaises(AttributeError):
del view.test
self.assertEquals(1, view['test'])
# Delete item.
with self.assertRaises(AttributeError):
del view['test']
self.assertEquals(1, view['test'])
