def zrange(self, key: str, start: int, stop: int) -> list:
if not data_utils.is_integer(start) or not data_utils.is_integer(stop):
raise CommandError('value is not an integer or out of range')
sorted_list = self._kv_ordered_store.get(key)
if not sorted_list:
return []
return sorted_list.zrange(int(start), int(stop))
def incr(self, key: str):
with self._store_lock:
value = self._kv_store.get(key)
if not value:
self._kv_store[key] = 1
return self.OK
if not data_utils.is_integer(value):
raise CommandError('value is not an integer or out of range')
self._kv_store[key] = int(value) + 1
return self.OK
def test_is_integer_valid_str():
assert data_utils.is_integer('2')
def test_is_integer_valid():
assert data_utils.is_integer(2)
def test_is_integer_invalid_none():
assert not data_utils.is_integer(None)
def test_is_integer_invalid():
assert not data_utils.is_integer('G')
def test_is_integer_negative_valid_str():
assert data_utils.is_integer('-5')
def test_is_integer_negative_valid():
assert data_utils.is_integer(-9)