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"""Utilities for configuring ansible runtime environment."""
import hashlib
import os
from pathlib import Path
def get_cache_dir(project_dir: Path) -> Path:
"""Compute cache directory to be used based on project path."""
# we only use the basename instead of the full path in order to ensure that
# we would use the same key regardless the location of the user home
# directory or where the project is clones (as long the project folder uses
# the same name).
basename = project_dir.resolve().name.encode(encoding="utf-8")
# 6 chars of entropy should be enough
cache_key = hashlib.sha256(basename).hexdigest()[:6]
cache_dir = (
Path(os.getenv("XDG_CACHE_HOME", "~/.cache")).expanduser()
/ "ansible-compat"
/ cache_key
)
return cache_dir
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