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"""Mixin class for types that need a data directory"""
from __future__ import annotations
import os
import os.path
class DatadirMixin:
"""Mixin class for types that need a data directory for storing files"""
def __init__(self, datadir: str, typename: str, identifier: str) -> None:
self._datadir_path = os.path.join(datadir, typename, identifier)
@property
def datadir(self) -> str:
if not os.path.exists(self._datadir_path):
try:
os.makedirs(self._datadir_path)
except FileExistsError:
# apparently the datadir was created by another thread!
pass
return self._datadir_path
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