def test_None_is_smallest(self):
t = self._makeOne()
for i in range(999): # Make sure we multiple buckets
t[i] = i * i
t[None] = -1
for i in range(-99, 0): # Make sure we multiple buckets
t[i] = i * i
self.assertEqual(list(t), [None] + list(range(-99, 999)))
self.assertEqual(list(t.values()),
[-1] + [i * i for i in range(-99, 999)])
self.assertEqual(t[2], 4)
self.assertEqual(t[-2], 4)
self.assertEqual(t[None], -1)
t[None] = -2
self.assertEqual(t[None], -2)
t2 = t.__class__(t)
del t[None]
self.assertEqual(list(t), list(range(-99, 999)))
if 'Py' in self.__class__.__name__:
return
from BTrees.OOBTree import difference, union, intersection
self.assertEqual(list(difference(t2, t).items()), [(None, -2)])
self.assertEqual(list(union(t, t2)), list(t2))
self.assertEqual(list(intersection(t, t2)), list(t))
def test_None_is_smallest(self):
t = self._makeOne()
for i in range(999): # Make sure we multiple buckets
t[i] = i*i
t[None] = -1
for i in range(-99,0): # Make sure we multiple buckets
t[i] = i*i
self.assertEqual(list(t), [None] + list(range(-99, 999)))
self.assertEqual(list(t.values()),
[-1] + [i*i for i in range(-99, 999)])
self.assertEqual(t[2], 4)
self.assertEqual(t[-2], 4)
self.assertEqual(t[None], -1)
t[None] = -2
self.assertEqual(t[None], -2)
t2 = t.__class__(t)
del t[None]
self.assertEqual(list(t), list(range(-99, 999)))
if 'Py' in self.__class__.__name__:
return
from BTrees.OOBTree import difference, union, intersection
self.assertEqual(list(difference(t2, t).items()), [(None, -2)])
self.assertEqual(list(union(t, t2)), list(t2))
self.assertEqual(list(intersection(t, t2)), list(t))
def search_objects(self, query):
"""
Return list of objects which match all properties that are set
(``not None``) using AND operator to all of them.
Example:
result = storage_handler.search_objects(
DBPublication(isbn="azgabash")
)
Args:
query (obj): Object implementing proper interface with some of the
properties set.
Returns:
list: List of matching objects or ``[]`` if no match was found.
Raises:
InvalidType: When the `query` doesn't implement required
properties.
"""
self._check_obj_properties(query, "query")
# AND operator between results
final_result = None
for result in self._get_subset_matches(query):
if final_result is None:
final_result = result
continue
final_result = intersection(final_result, result)
# if no result is found, `final_result` is None, and I want []
if not final_result:
return []
return list(final_result)
def __and__(self, other):
return QuerySet(intersection(OOTreeSet(self), OOTreeSet(other)))
def intersection(self, *args):
from BTrees.OOBTree import intersection
return intersection(*args)
def intersection(self, *args):
from BTrees.OLBTree import intersection
return intersection(*args)