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GeezerVison is showing github.com — gc module internal structure and API by youknowone · Pull Request #6910 · RustPython/RustPython

gc module internal structure and API #6910

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Merged
youknowone merged 4 commits into RustPython:main from youknowone:gc-internal
Jan 31, 2026

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Merged

gc module internal structure and API #6910

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7f951b4
gc module internal structure and API
youknowone Jan 31, 2026
2d5be2f
fix dict/weakref/generators
youknowone Jan 31, 2026
4ff9fb8
unmark test_asyncio
youknowone Jan 31, 2026
06c8270
apply review
youknowone Jan 31, 2026
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2 changes: 2 additions & 0 deletions 2 .cspell.dict/cpython.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,7 @@ repr
resinfo
Rshift
SA_ONSTACK
saveall
scls
setdict
setfunc
Expand Down Expand Up @@ -178,6 +179,7 @@ Typeparam
typeparams
typeslots
unaryop
uncollectable
Unhandle
unparse
unparser
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2 changes: 0 additions & 2 deletions 2 Lib/test/_test_multiprocessing.py
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Expand Up @@ -4057,8 +4057,6 @@ def test_heap(self):
self.assertEqual(len(heap._allocated_blocks), 0, heap._allocated_blocks)
self.assertEqual(len(heap._len_to_seq), 0)

# TODO: RUSTPYTHON - gc.enable() not implemented
@unittest.expectedFailure
def test_free_from_gc(self):
# Check that freeing of blocks by the garbage collector doesn't deadlock
# (issue #12352).
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6 changes: 0 additions & 6 deletions 6 Lib/test/test_asyncio/test_futures.py
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Expand Up @@ -678,8 +678,6 @@ def __del__(self):
fut = self._new_future(loop=self.loop)
fut.set_result(Evil())

# TODO: RUSTPYTHON - gc.get_referrers not implemented
@unittest.expectedFailure
def test_future_cancelled_result_refcycles(self):
f = self._new_future(loop=self.loop)
f.cancel()
Expand All @@ -691,8 +689,6 @@ def test_future_cancelled_result_refcycles(self):
self.assertIsNotNone(exc)
self.assertListEqual(gc.get_referrers(exc), [])

# TODO: RUSTPYTHON - gc.get_referrers not implemented
@unittest.expectedFailure
def test_future_cancelled_exception_refcycles(self):
f = self._new_future(loop=self.loop)
f.cancel()
Expand Down Expand Up @@ -720,8 +716,6 @@ def test_future_del_segfault(self):
with self.assertRaises(AttributeError):
del fut._log_traceback

# TODO: RUSTPYTHON - gc.get_referents not implemented
@unittest.expectedFailure
def test_future_iter_get_referents_segfault(self):
# See https://github.com/python/cpython/issues/122695
import _asyncio
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2 changes: 0 additions & 2 deletions 2 Lib/test/test_dict.py
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Expand Up @@ -369,8 +369,6 @@ def test_copy_fuzz(self):
self.assertNotEqual(d, d2)
self.assertEqual(len(d2), len(d) + 1)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_copy_maintains_tracking(self):
class A:
pass
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1 change: 0 additions & 1 deletion 1 Lib/test/test_generators.py
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Expand Up @@ -176,7 +176,6 @@ def f():
g.send(0)
self.assertEqual(next(g), 1)

@unittest.expectedFailure # TODO: RUSTPYTHON; NotImplementedError
def test_handle_frame_object_in_creation(self):

#Attempt to expose partially constructed frames
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1 change: 0 additions & 1 deletion 1 Lib/test/test_subprocess.py
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Expand Up @@ -2445,7 +2445,6 @@ def raise_it():
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, preexec_fn=raise_it)

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_preexec_gc_module_failure(self):
# This tests the code that disables garbage collection if the child
# process will execute any Python.
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4 changes: 0 additions & 4 deletions 4 Lib/test/test_weakref.py
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Expand Up @@ -846,11 +846,9 @@ def cb(self, ignore):
gc.collect()
self.assertEqual(alist, [])

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_gc_during_ref_creation(self):
self.check_gc_during_creation(weakref.ref)

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_gc_during_proxy_creation(self):
self.check_gc_during_creation(weakref.proxy)

Expand Down Expand Up @@ -1365,11 +1363,9 @@ def check_len_race(self, dict_type, cons):
self.assertGreaterEqual(n2, 0)
self.assertLessEqual(n2, n1)

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_weak_keyed_len_race(self):
self.check_len_race(weakref.WeakKeyDictionary, lambda k: (k, 1))

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_weak_valued_len_race(self):
self.check_len_race(weakref.WeakValueDictionary, lambda k: (1, k))

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2 changes: 0 additions & 2 deletions 2 Lib/test/test_weakset.py
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Expand Up @@ -425,8 +425,6 @@ def test_len_cycles(self):
self.assertIn(n1, (0, 1))
self.assertEqual(n2, 0)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_len_race(self):
# Extended sanity checks for len() in the face of cyclic collection
self.addCleanup(gc.set_threshold, *gc.get_threshold())
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2 changes: 0 additions & 2 deletions 2 Lib/test/test_zoneinfo/test_zoneinfo.py
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Expand Up @@ -1937,8 +1937,6 @@ def test_cache_location(self):
self.assertFalse(hasattr(c_zoneinfo.ZoneInfo, "_weak_cache"))
self.assertTrue(hasattr(py_zoneinfo.ZoneInfo, "_weak_cache"))

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_gc_tracked(self):
import gc

Expand Down
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