Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/unblob/identifiers.py: 89%

1import os 

2from threading import Lock 

3 

4__last_id = 0 

5__last_id_lock = Lock() 

6 

7 

8def new_id(): 

9 # NOTE, that uuid4 can not be used, as there are multiple processes at run time, 

10 # and as subprocesses inherit the random number state, so uuid4 would generate colliding ids 

11 # another option that would not work is to use uuid1, but we could generate the id 

12 # at the same time 

13 

14 global __last_id # noqa: PLW0603 

15 with __last_id_lock: 

16 __last_id += 1 

17 return f"{os.getpid()}:{__last_id}"