viv/tests/conftest.py

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import os
import shutil
from pathlib import Path
cache = (Path(__file__).parent / ".viv-cache").absolute()
if cache.is_dir():
shutil.rmtree(cache)
# remove local settings
os.environ = {k: v for k, v in os.environ.items() if not k.startswith("VIV_")}
os.environ["VIV_CACHE"] = str(cache)