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# Authors: see git history
#
# Copyright (c) 2010 Authors
# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
import os
import atexit
import appdirs
import diskcache
try:
from functools import lru_cache
except ImportError:
from backports.functools_lru_cache import lru_cache
# simplify use of lru_cache decorator
def cache(*args, **kwargs):
return lru_cache(maxsize=None)(*args, **kwargs)
__stitch_plan_cache = None
def get_stitch_plan_cache():
global __stitch_plan_cache
if __stitch_plan_cache is None:
cache_dir = os.path.join(appdirs.user_config_dir('inkstitch'), 'cache', 'stitch_plan')
__stitch_plan_cache = diskcache.Cache(cache_dir, size=1024 * 1024 * 100)
atexit.register(__stitch_plan_cache.close)
return __stitch_plan_cache
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