Add support for Python 3.14

Signed-off-by: Peter Bierma <[email protected]>

Author: ZeroIntensity

.github/workflows/build_wheels.yml

@@ -68,7 +68,7 @@ jobs:
       - name: Build wheels
         uses: pypa/[email protected]
         env:
-          CIBW_BUILD: "cp3{7..13}-${{ matrix.wheel_type }}"
+          CIBW_BUILD: "cp3{7..14}-${{ matrix.wheel_type }}"
           CIBW_ARCHS_LINUX: auto aarch64
           CIBW_PRERELEASE_PYTHONS: True
       - uses: actions/upload-artifact@v4
@@ -78,7 +78,7 @@ jobs:
 
   test_attaching_to_old_interpreters:
     needs: [build_wheels]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -116,11 +116,11 @@ jobs:
 
   test_wheels:
     needs: [build_wheels]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python_version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -154,11 +154,11 @@ jobs:
 
   test_free_threading:
     needs: [build_wheels]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.13"]
+        python_version: ["3.13", "3.14"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python

news/229.feature.rst

@@ -0,0 +1 @@
+Add support for Python 3.14

src/pystack/_pystack/cpython/code.h

@@ -197,4 +197,43 @@ typedef struct
 } PyCodeObject;
 }  // namespace Python3_13
 
+namespace Python3_14 {
+typedef uint16_t _Py_CODEUNIT;
+
+typedef struct {
+    PyObject_VAR_HEAD
+    PyObject *co_consts;
+    PyObject *co_names;
+    PyObject *co_exceptiontable;
+    int co_flags;
+    int co_argcount;
+    int co_posonlyargcount;
+    int co_kwonlyargcount;
+    int co_stacksize;
+    int co_firstlineno;
+    int co_nlocalsplus;
+    int co_framesize;
+    int co_nlocals;
+    int co_ncellvars;
+    int co_nfreevars;
+    uint32_t co_version;
+    PyObject *co_localsplusnames;
+    PyObject *co_localspluskinds;
+    PyObject *co_filename;
+    PyObject *co_name;
+    PyObject *co_qualname;
+    PyObject *co_linetable;
+    PyObject *co_weakreflist;
+    void *co_executors;
+    void *_co_cached;
+    uintptr_t _co_instrumentation_version;
+    void *_co_monitoring;
+    Py_ssize_t _co_unique_id;
+    int _co_firsttraceable;
+    void *co_extra;
+    /* deal with co_tlbc somehow */
+    char co_code_adaptive[1];
+} PyCodeObject;
+} // namespace Python3_14
+
 }  // namespace pystack

src/pystack/_pystack/cpython/frame.h

@@ -126,4 +126,29 @@ typedef struct _interpreter_frame
 
 }  // namespace Python3_12
 
+namespace Python3_14 {
+
+typedef union _PyStackRef {
+    uintptr_t bits;
+} _PyStackRef;
+
+typedef struct _interpreter_frame {
+    _PyStackRef f_executable;
+    void *previous;
+    void *f_funcobj;
+    PyObject *f_globals;
+    PyObject *f_builtins;
+    PyObject *f_locals;
+    PyObject *frame_obj;
+    _Py_CODEUNIT *instr_ptr;
+    _PyStackRef stackpointer;
+    /* int32_t tlbc_index; */
+    uint16_t return_offset;
+    char owner;
+    uint8_t visited;
+    void *localsplus[1];
+} PyFrameObject;
+
+}  // namespace Python3_14
+
 }  // namespace pystack

src/pystack/_pystack/cpython/gc.h

@@ -82,4 +82,27 @@ struct _gc_runtime_state
 };
 
 }  // namespace Python3_8
+
+namespace Python3_14 {
+
+struct _gc_runtime_state {
+    PyObject *trash_delete_later;
+    int trash_delete_nesting;
+    int enabled;
+    int debug;
+    struct Python3_8::gc_generation young;
+    struct Python3_8::gc_generation old[2];
+    struct Python3_8::gc_generation permanent_generation;
+    struct gc_generation_stats generation_stats[NUM_GENERATIONS];
+    int collecting;
+    PyObject *garbage;
+    PyObject *callbacks;
+    Py_ssize_t heap_size;
+    Py_ssize_t work_to_do;
+    int visited_space;
+    int phase;
+};
+
+}  // namespace Python3_14
+
 }  // namespace pystack

src/pystack/_pystack/cpython/interpreter.h

@@ -338,4 +338,76 @@ typedef struct _is
     struct _import_state imports;
 } PyInterpreterState;
 }  // namespace Python3_13
+
+namespace Python3_14 {
+
+struct _pythreadstate;
+
+typedef struct {
+    Python3_13::PyMutex mutex;
+    unsigned long long thread;
+    size_t level;
+} _PyRecursiveMutex;
+
+struct _import_state {
+    PyObject *modules;
+    PyObject *modules_by_index;
+    PyObject *importlib;
+    int override_frozen_modules;
+    int override_multi_interp_extensions_check;
+    PyObject *import_func;
+    _PyRecursiveMutex lock;
+    /* diagnostic info in PyImport_ImportModuleLevelObject() */
+    struct {
+        int import_level;
+        int64_t accumulated;
+        int header;
+    } find_and_load;
+};
+
+struct _gil_runtime_state {
+    unsigned long interval;
+    struct _pythreadstate* last_holder;
+    int locked;
+    unsigned long switch_number;
+    pthread_cond_t cond;
+    pthread_cond_t mutex;
+#ifdef FORCE_SWITCHING
+    pthread_cond_t switch_cond;
+    pthread_cond_t switch_mutex;
+#endif
+};
+
+typedef struct _is {
+    struct _ceval_state ceval;
+    void *_malloced;
+    struct _is *next;
+    int64_t id;
+    Py_ssize_t id_refcount;
+    int requires_idref;
+    long _whence;
+    int _initialized;
+    int _ready;
+    int finalizing;
+    uintptr_t last_restart_version;
+    struct pythreads {
+        uint64_t next_unique_id;
+        struct _pythreadstate *head;
+        struct _pythreadstate *preallocated;
+        struct _pythreadstate *main;
+        Py_ssize_t count;
+        size_t stacksize;
+    } threads;
+    void *runtime;
+    struct _pythreadstate* _finalizing;
+    unsigned long _finalizing_id;
+    struct _gc_runtime_state gc;
+    PyObject *sysdict;
+    PyObject *builtins;
+    struct _import_state imports;
+    struct _gil_runtime_state _gil;
+} PyInterpreterState;
+
+}  // namespace Python3_14
+
 }  // namespace pystack