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from typing import Tuple, Union
import pytest
import redis
from fakeredis._server import _create_version
def server_info() -> Tuple[str, Union[None, Tuple[int, ...]]]:
"""Returns server's version or None if server is not running"""
client = None
try:
client = redis.Redis("localhost", port=6390, db=2)
client_info = client.info()
server_type = "dragonfly" if "dragonfly_version" in client_info else "redis"
server_version = client_info["redis_version"] if server_type != "dragonfly" else (7, 0)
server_version = _create_version(server_version) or (7,)
return server_type, server_version
except redis.ConnectionError as e:
print(e)
pytest.exit("Redis is not running")
return "redis", (6,)
finally:
if hasattr(client, "close"):
client.close() # Absent in older versions of redis-py
server_type, redis_ver = server_info()
floats_kwargs = dict()
if server_type == "dragonfly":
floats_kwargs = dict(allow_nan=False, allow_subnormal=False, allow_infinity=False)
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