Whole file

tkem/cachetools

The author described this change as “Fix #163: Support user_function with cachetools.func decorators.”. It counts as a record because the checks below fail on the code as it stood at d6f962e80 and pass on 9a6cb65aa, with nothing else changed between the two runs.

Projecttkem/cachetools

Fix saved2020-04-08

Sharing licenceMIT · LICENSE

Change size+8 −0

What the code was meant to do, written into the code itself as a save note

Fix #163: Support user_function with cachetools.func decorators.

The change

93	93		"""
94	94		if maxsize is None:
95	95		return _cache(_UnboundCache(), typed)
	96	+	elif callable(maxsize):
	97	+	return _cache(LFUCache(128), typed)(maxsize)
96	98		else:
97	99		return _cache(LFUCache(maxsize), typed)
98	100
⋯
105	107		"""
106	108		if maxsize is None:
107	109		return _cache(_UnboundCache(), typed)
	110	+	elif callable(maxsize):
	111	+	return _cache(LRUCache(128), typed)(maxsize)
108	112		else:
109	113		return _cache(LRUCache(maxsize), typed)
110	114
⋯
117	121		"""
118	122		if maxsize is None:
119	123		return _cache(_UnboundCache(), typed)
	124	+	elif callable(maxsize):
	125	+	return _cache(RRCache(128, choice), typed)(maxsize)
120	126		else:
121	127		return _cache(RRCache(maxsize, choice), typed)
122	128
⋯
128	134		"""
129	135		if maxsize is None:
130	136		return _cache(_UnboundTTLCache(ttl, timer), typed)
	137	+	elif callable(maxsize):
	138	+	return _cache(TTLCache(128, ttl, timer), typed)(maxsize)
131	139		else:
132	140		return _cache(TTLCache(maxsize, ttl, timer), typed)
133	141

The check that tells the two apart

fail→pass·tests/test_func.py::LFUDecoratorTest::test_decorator_user_function

fail→pass·tests/test_func.py::LRUDecoratorTest::test_decorator_user_function

fail→pass·tests/test_func.py::RRDecoratorTest::test_decorator_user_function

fail→pass·tests/test_func.py::TTLDecoratorTest::test_decorator_user_function

Check file tests/test_func.py, taken without changes from the fix and copied onto the older code, so the exact same check runs against both versions.

Origin and history

The fix9a6cb65aae884cff1b1287d5288ff43c751a6f32

The code before itd6f962e80ed405756fb478bcb4165e85796371f9

Broken version dated2019-12-15

Modulecachetools.func

Units changedlfu_cache, lru_cache, rr_cache, ttl_cache

Fingerprint39e4951488e95187

Checked2026-08-18 by goldset/0.1

Every field above is generated by our program. None of it is written by hand.

Other bugs found in tkem/cachetools

2026-07-22TLRUCache
2026-03-08Fix #218: Fix and properly document @cachedmethod.cache_key handling.
2026-03-05_DescriptorBase
2024-08-18Fix #292, fix #205, fix #103: TTLCache.expire() returns iterable of expired (key, value) pairs.
2024-07-15mru_cache
2021-12-21Fix #159: Pass self to @cachedmethod key function.