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@@ -22,7 +22,7 @@ from collections import namedtuple, deque, abc
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from contextlib import contextmanager
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from datetime import datetime, timezone, timedelta
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from fnmatch import translate
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-from functools import wraps, partial
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+from functools import wraps, partial, lru_cache
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from itertools import islice
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from operator import attrgetter
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from string import Formatter
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@@ -722,19 +722,6 @@ def format_archive(archive):
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)
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-def memoize(function):
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- cache = {}
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-
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- def decorated_function(*args):
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- try:
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- return cache[args]
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- except KeyError:
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- val = function(*args)
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- cache[args] = val
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- return val
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- return decorated_function
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-
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-
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class Buffer:
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"""
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provide a thread-local buffer
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@@ -776,7 +763,7 @@ class Buffer:
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return self._thread_local.buffer
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-@memoize
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+@lru_cache(maxsize=None)
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def uid2user(uid, default=None):
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try:
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return pwd.getpwuid(uid).pw_name
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@@ -784,7 +771,7 @@ def uid2user(uid, default=None):
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return default
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-@memoize
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+@lru_cache(maxsize=None)
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def user2uid(user, default=None):
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try:
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return user and pwd.getpwnam(user).pw_uid
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@@ -792,7 +779,7 @@ def user2uid(user, default=None):
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return default
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-@memoize
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+@lru_cache(maxsize=None)
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def gid2group(gid, default=None):
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try:
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return grp.getgrgid(gid).gr_name
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@@ -800,7 +787,7 @@ def gid2group(gid, default=None):
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return default
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-@memoize
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+@lru_cache(maxsize=None)
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def group2gid(group, default=None):
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try:
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return group and grp.getgrnam(group).gr_gid
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