Skip to content

Make PyUnstable_Unicode_GET_CACHED_HASH return -1 on PyPy #157

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Oct 15, 2025
Merged

Make PyUnstable_Unicode_GET_CACHED_HASH return -1 on PyPy #157

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f58daad
Make PyUnstable_Unicode_GET_CACHED_HASH return -1 on PyPy
encukou Oct 15, 2025
8e97b8e
Update tests/test_pythoncapi_compat_cext.c
vstinner Oct 15, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion docs/api.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ Python 3.15

See `PyUnstable_Unicode_GET_CACHED_HASH() documentation <https://docs.python.org/dev/c-api/unicode.html#c.PyUnstable_Unicode_GET_CACHED_HASH>`__.

Not available on PyPy.
On PyPy, always returns ``-1``.


Python 3.14
Expand Down
7 changes: 5 additions & 2 deletions pythoncapi_compat.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2572,11 +2572,14 @@ PyTuple_FromArray(PyObject *const *array, Py_ssize_t size)
#endif


#if PY_VERSION_HEX < 0x030F00A1 && !defined(PYPY_VERSION)
#if PY_VERSION_HEX < 0x030F00A1
static inline Py_hash_t
PyUnstable_Unicode_GET_CACHED_HASH(PyObject *op)
{
#if PY_VERSION_HEX >= 0x03000000
#ifdef PYPY_VERSION
(void)op; // unused argument
return -1;
#elif PY_VERSION_HEX >= 0x03000000
return ((PyASCIIObject*)op)->hash;
#else
return ((PyUnicodeObject*)op)->hash;
Expand Down
4 changes: 3 additions & 1 deletion tests/test_pythoncapi_compat_cext.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1611,10 +1611,12 @@ test_unicode(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
assert(PyErr_ExceptionMatches(PyExc_TypeError));
PyErr_Clear();

#ifndef PYPY_VERSION
// Test PyUnstable_Unicode_GET_CACHED_HASH()
Py_hash_t hash = PyObject_Hash(abc);
assert(hash != -1);
#ifdef PYPY_VERSION
assert(PyUnstable_Unicode_GET_CACHED_HASH(abc) == -1);
#else
assert(PyUnstable_Unicode_GET_CACHED_HASH(abc) == hash);
#endif

Expand Down