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"""Cache for commonly shared data that is intended to be immutable."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
class CommonCache:
"""Common cache."""
def __init__(self, args):
"""
:param args: CommonConfig
"""
self.args = args
def get(self, key, factory):
"""
:param key: str
:param factory: () -> any
:rtype: any
"""
if key not in self.args.cache:
self.args.cache[key] = factory()
return self.args.cache[key]
def get_with_args(self, key, factory):
"""
:param key: str
:param factory: (CommonConfig) -> any
:rtype: any
"""
if key not in self.args.cache:
self.args.cache[key] = factory(self.args)
return self.args.cache[key]
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