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import os
from shutil import rmtree
from pip._internal.utils.appdirs import user_cache_dir
from .click import secho
# The user_cache_dir helper comes straight from pip itself
CACHE_DIR = user_cache_dir("pip-tools")
# NOTE
# We used to store the cache dir under ~/.pip-tools, which is not the
# preferred place to store caches for any platform. This has been addressed
# in pip-tools==1.0.5, but to be good citizens, we point this out explicitly
# to the user when this directory is still found.
LEGACY_CACHE_DIR = os.path.expanduser("~/.pip-tools")
if os.path.exists(LEGACY_CACHE_DIR):
secho(
"Removing old cache dir {} (new cache dir is {})".format(
LEGACY_CACHE_DIR, CACHE_DIR
),
fg="yellow",
)
rmtree(LEGACY_CACHE_DIR)