venv/lib/python3.11/site-packages/pip/_vendor/rich/_timer.py

   1 """
   2 Timer context manager, only used in debug.
   3
   4 """
   5
   6 from time import time
   7
   8 import contextlib
   9 from typing import Generator
  10
  11
  12 @contextlib.contextmanager
  13 def timer(subject: str = "time") -> Generator[None, None, None]:
  14     """print the elapsed time. (only used in debugging)"""
  15     start = time()
  16     yield
  17     elapsed = time() - start
  18     elapsed_ms = elapsed * 1000
  19     print(f"{subject} elapsed {elapsed_ms:.1f}ms")