Comments (2)
vstinner
commented on June 13, 2024
Attached PR gh-116947 should help to discover heap types which don't implement traverse.
For example, the make command lists 52 heap types which don't implement tp_traverse:
- _blake2.blake2b
- _blake2.blake2s
- _bz2.BZ2Compressor
- _bz2.BZ2Decompressor
- _curses_panel.panel
- functools._lru_list_elem
- _hashlib.HASH
- _hashlib.HASHXOF
- _hashlib.HMAC
- _lzma.LZMACompressor
- _lzma.LZMADecompressor
- posix.DirEntry
- posix.ScandirIterator
- _random.Random
- select.epoll
- select.poll
- _sha3.sha3_224
- _sha3.sha3_256
- _sha3.sha3_384
- _sha3.sha3_512
- _sha3.shake_128
- _sha3.shake_256
- _ssl.Certificate
- _testcapi.HeapCType
- _testcapi.HeapCTypeSetattr
- _testcapi.HeapCTypeSubclass
- _testcapi.HeapCTypeSubclassWithFinalizer
- _testcapi.HeapCTypeWithBuffer
- _testcapi.HeapCTypeWithDict
- _testcapi.HeapCTypeWithDict2
- _testcapi.HeapCTypeWithNegativeDict
- _testcapi.HeapCTypeWithWeakref
- _testcapi.HeapCTypeWithWeakref2
- _testcapi.HeapDocCType
- _testcapi.NullTpDocType
- _testcapi._test_structmembersType_NewAPI
- _testimportexec.Str
- _testlimitedcapi.LimitedVectorCallClass
- _thread._localdummy
- _thread._ThreadHandle
- _tkinter.Tcl_Obj
- _tkinter.tkapp
- _tkinter.tktimertoken
- _tokenize.TokenizerIter
- _xxinterpchannels.ChannelID
- xxlimited_35.Null
- xxlimited_35.Str
- xxlimited.Str
- _xxsubinterpreters.CrossInterpreterBufferView
- zlib.Compress
- zlib.Decompress
- zlib._ZlibDecompressor
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vstinner
commented on June 13, 2024
See also issue gh-116915 "test_capi leaks references" and PR gh-116934 "Make _thread._ThreadHandle support GC" which fix it.
from cpython.
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