diff options
| -rwxr-xr-x | redis/client.py | 16 | ||||
| -rw-r--r-- | tests/test_commands.py | 11 |
2 files changed, 27 insertions, 0 deletions
diff --git a/redis/client.py b/redis/client.py index 902ccc9..6e4c9ab 100755 --- a/redis/client.py +++ b/redis/client.py @@ -1661,6 +1661,22 @@ class StrictRedis(object): pieces.extend([Token('LIMIT'), start, num]) return self.execute_command(*pieces) + def zrevrangebylex(self, name, upper, lower, start=None, num=None): + """ + Return the reversed lexicographical range of values from sorted set + ``name`` between ``upper`` and ``lower``. + + If ``start`` and ``num`` are specified, then return a slice of the + range. + """ + if (start is not None and num is None) or \ + (num is not None and start is None): + raise RedisError("``start`` and ``num`` must both be specified") + pieces = ['ZREVRANGEBYLEX', name, upper, lower] + if start is not None and num is not None: + pieces.extend([Token('LIMIT'), start, num]) + return self.execute_command(*pieces) + def zrangebyscore(self, name, min, max, start=None, num=None, withscores=False, score_cast_func=float): """ diff --git a/tests/test_commands.py b/tests/test_commands.py index c0e56b0..45206b2 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -959,6 +959,17 @@ class TestRedisCommands(object): assert r.zrangebylex('a', '[f', '+') == [b('f'), b('g')] assert r.zrangebylex('a', '-', '+', start=3, num=2) == [b('d'), b('e')] + @skip_if_server_version_lt('2.9.9') + def test_zrevrangebylex(self, r): + r.zadd('a', a=0, b=0, c=0, d=0, e=0, f=0, g=0) + assert r.zrevrangebylex('a', '[c', '-') == [b('c'), b('b'), b('a')] + assert r.zrevrangebylex('a', '(c', '-') == [b('b'), b('a')] + assert r.zrevrangebylex('a', '(g', '[aaa') == \ + [b('f'), b('e'), b('d'), b('c'), b('b')] + assert r.zrevrangebylex('a', '+', '[f') == [b('g'), b('f')] + assert r.zrevrangebylex('a', '+', '-', start=3, num=2) == \ + [b('d'), b('c')] + def test_zrangebyscore(self, r): r.zadd('a', a1=1, a2=2, a3=3, a4=4, a5=5) assert r.zrangebyscore('a', 2, 4) == [b('a2'), b('a3'), b('a4')] |