Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/redis/_defaults.py: 36%

1"""Internal default helper functions shared across redis-py modules.""" 

2 

3import socket 

4 

5# Connection defaults 

6 

7DEFAULT_SOCKET_TIMEOUT = 5 # 5s 

8DEFAULT_SOCKET_CONNECT_TIMEOUT = DEFAULT_SOCKET_TIMEOUT 

9DEFAULT_SOCKET_READ_SIZE = 32768 # 32KB 

10 

11 

12def get_default_socket_keepalive_options() -> dict[int, int]: 

13 options = {} 

14 

15 # Linux exposes TCP_KEEPIDLE; macOS exposes the equivalent TCP_KEEPALIVE. 

16 # Some platforms expose neither and only support SO_KEEPALIVE itself. 

17 tcp_keepidle = getattr(socket, "TCP_KEEPIDLE", None) 

18 if tcp_keepidle is None: 

19 tcp_keepidle = getattr(socket, "TCP_KEEPALIVE", None) 

20 if tcp_keepidle is not None: 

21 options[tcp_keepidle] = 30 

22 

23 # Not every platform exposes interval/probe tuning constants. 

24 tcp_keepintvl = getattr(socket, "TCP_KEEPINTVL", None) 

25 if tcp_keepintvl is not None: 

26 options[tcp_keepintvl] = 5 

27 

28 # Not every platform exposes interval/probe tuning constants. 

29 tcp_keepcnt = getattr(socket, "TCP_KEEPCNT", None) 

30 if tcp_keepcnt is not None: 

31 options[tcp_keepcnt] = 3 

32 

33 return options 

34 

35 

36# Retry defaults 

37DEFAULT_RETRY_COUNT = 10 

38DEFAULT_RETRY_BASE = 0.01 # 10ms 

39DEFAULT_RETRY_CAP = 1 # 1s