bazarr/libs/rich/_timer.py

20 lines
417 B
Python

"""
Timer context manager, only used in debug.
"""
from time import time
import contextlib
from typing import Generator
@contextlib.contextmanager
def timer(subject: str = "time") -> Generator[None, None, None]:
"""print the elapsed time. (only used in debugging)"""
start = time()
yield
elapsed = time() - start
elapsed_ms = elapsed * 1000
print(f"{subject} elapsed {elapsed_ms:.1f}ms")