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Python 3.15 #2729

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d500210
Initial Python 3.15 support
filmor May 26, 2026
36a07c4
Initial Python 3.15 support
filmor May 26, 2026
f45978d
Drop 3.10 support and add to CI
filmor May 26, 2026
c10c1b0
Adjust version ranges
filmor May 26, 2026
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14 changes: 1 addition & 13 deletions .github/workflows/main.yml
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Expand Up @@ -46,21 +46,9 @@ jobs:
instance: macos-15
suffix: -macos-aarch64-none

python: ["3.10", "3.11", "3.12", "3.13", "3.14"]
python: ["3.11", "3.12", "3.13", "3.14", "3.15"]

exclude:
# Fails with initfs_encoding error
- os:
category: windows
platform: x86
python: "3.10"

# Fails to find pytest
- os:
category: windows
platform: x64
python: '3.10'

# fails to call mono methods
- os:
category: windows
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6 changes: 3 additions & 3 deletions pyproject.toml
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Expand Up @@ -13,7 +13,7 @@ dependencies = [
"clr_loader>=0.3.1,<0.4.0"
]

requires-python = ">=3.10, <3.15"
requires-python = ">=3.11, <3.16"

classifiers = [
"Development Status :: 5 - Production/Stable",
Expand All @@ -25,6 +25,7 @@ classifiers = [
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.14",
"Programming Language :: Python :: 3.15",
"Operating System :: Microsoft :: Windows",
"Operating System :: POSIX :: Linux",
"Operating System :: MacOS :: MacOS X",
Expand All @@ -36,8 +37,7 @@ dynamic = ["version"]
dev = [
"pytest >= 6",
"find_libpython >= 0.3",
"numpy >=2 ; python_version >= '3.10'",
"numpy <2 ; python_version < '3.10'",
"numpy >=2",
]
doc = [
"sphinx",
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22 changes: 18 additions & 4 deletions src/runtime/Native/TypeOffset310.cs → src/runtime/Native/TypeOffset315.cs
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Expand Up @@ -2,7 +2,7 @@
// Auto-generated by geninterop.py.
// DO NOT MODIFY BY HAND.

// Python 3.10: ABI flags: ''
// Python 3.15: ABI flags: ''

// ReSharper disable InconsistentNaming
// ReSharper disable IdentifierTypo
Expand All @@ -20,11 +20,11 @@ namespace Python.Runtime
Scope = "type")]

[StructLayout(LayoutKind.Sequential)]
internal class TypeOffset310 : GeneratedTypeOffsets, ITypeOffsets
internal class TypeOffset315 : GeneratedTypeOffsets, ITypeOffsets
{
public TypeOffset310() { }
public TypeOffset315() { }
// Auto-generated from PyHeapTypeObject in Python.h
public int ob_refcnt { get; private set; }
public int ob_refcnt_full { get; private set; }
public int ob_type { get; private set; }
public int ob_size { get; private set; }
public int tp_name { get; private set; }
Expand Down Expand Up @@ -75,6 +75,15 @@ public TypeOffset310() { }
public int tp_version_tag { get; private set; }
public int tp_finalize { get; private set; }
public int tp_vectorcall { get; private set; }
// This is an error in our generator:
//
// The fields below are actually not pointers (like we incorrectly
// assume for all other fields) but instead a char (1 byte) and a short
// (2 bytes). By dropping one of the fields, we still get the correct
// overall size of the struct.
public int tp_watched { get; private set; }
// public int tp_versions_used { get; private set; }
public int tp_iteritem { get; private set; }
public int am_await { get; private set; }
public int am_aiter { get; private set; }
public int am_anext { get; private set; }
Expand Down Expand Up @@ -135,6 +144,11 @@ public TypeOffset310() { }
public int qualname { get; private set; }
public int ht_cached_keys { get; private set; }
public int ht_module { get; private set; }
public int _ht_tpname { get; private set; }
public int ht_token { get; private set; }
public int spec_cache_getitem { get; private set; }
public int getitem_version { get; private set; }
public int init { get; private set; }
}
}

4 changes: 2 additions & 2 deletions src/runtime/PythonEngine.cs
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Expand Up @@ -134,8 +134,8 @@ public static string PythonPath
}
}

public static Version MinSupportedVersion => new(3, 7);
public static Version MaxSupportedVersion => new(3, 14, int.MaxValue, int.MaxValue);
public static Version MinSupportedVersion => new(3, 10);
public static Version MaxSupportedVersion => new(3, 15, int.MaxValue, int.MaxValue);
public static bool IsSupportedVersion(Version version) => version >= MinSupportedVersion && version <= MaxSupportedVersion;

public static string Version
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2 changes: 0 additions & 2 deletions src/runtime/Runtime.Delegates.cs
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Expand Up @@ -245,7 +245,6 @@ static Delegates()
catch (MissingMethodException) { }
PyObject_GC_Track = (delegate* unmanaged[Cdecl]<BorrowedReference, void>)GetFunctionByName(nameof(PyObject_GC_Track), GetUnmanagedDll(_PythonDll));
PyObject_GC_UnTrack = (delegate* unmanaged[Cdecl]<BorrowedReference, void>)GetFunctionByName(nameof(PyObject_GC_UnTrack), GetUnmanagedDll(_PythonDll));
_PyObject_Dump = (delegate* unmanaged[Cdecl]<BorrowedReference, void>)GetFunctionByName(nameof(_PyObject_Dump), GetUnmanagedDll(_PythonDll));
PyMem_Malloc = (delegate* unmanaged[Cdecl]<IntPtr, IntPtr>)GetFunctionByName(nameof(PyMem_Malloc), GetUnmanagedDll(_PythonDll));
PyMem_Realloc = (delegate* unmanaged[Cdecl]<IntPtr, IntPtr, IntPtr>)GetFunctionByName(nameof(PyMem_Realloc), GetUnmanagedDll(_PythonDll));
PyMem_Free = (delegate* unmanaged[Cdecl]<IntPtr, void>)GetFunctionByName(nameof(PyMem_Free), GetUnmanagedDll(_PythonDll));
Expand Down Expand Up @@ -513,7 +512,6 @@ static Delegates()
internal static delegate* unmanaged[Cdecl]<BorrowedReference, int> PyObject_GC_IsTracked { get; }
internal static delegate* unmanaged[Cdecl]<BorrowedReference, void> PyObject_GC_Track { get; }
internal static delegate* unmanaged[Cdecl]<BorrowedReference, void> PyObject_GC_UnTrack { get; }
internal static delegate* unmanaged[Cdecl]<BorrowedReference, void> _PyObject_Dump { get; }
internal static delegate* unmanaged[Cdecl]<nint, IntPtr> PyMem_Malloc { get; }
internal static delegate* unmanaged[Cdecl]<IntPtr, nint, IntPtr> PyMem_Realloc { get; }
internal static delegate* unmanaged[Cdecl]<IntPtr, void> PyMem_Free { get; }
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2 changes: 0 additions & 2 deletions src/runtime/Runtime.cs
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Expand Up @@ -1653,8 +1653,6 @@ internal static bool PyObject_GC_IsTracked(BorrowedReference ob)

internal static void PyObject_GC_UnTrack(BorrowedReference ob) => Delegates.PyObject_GC_UnTrack(ob);

internal static void _PyObject_Dump(BorrowedReference ob) => Delegates._PyObject_Dump(ob);

//====================================================================
// Python memory API
//====================================================================
Expand Down
2 changes: 1 addition & 1 deletion uv.lock
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