Add HPy_(Get|Set|Del)Slice

docs/api-reference/function-index.rst

@@ -118,6 +118,7 @@ HPy Core API Function Index
 * :c:func:`HPy_DelItem`
 * :c:func:`HPy_DelItem_i`
 * :c:func:`HPy_DelItem_s`
+* :c:func:`HPy_DelSlice`
 * :c:func:`HPy_Divmod`
 * :c:func:`HPy_Dup`
 * :c:func:`HPy_EvalCode`
@@ -130,6 +131,7 @@ HPy Core API Function Index
 * :c:func:`HPy_GetItem`
 * :c:func:`HPy_GetItem_i`
 * :c:func:`HPy_GetItem_s`
+* :c:func:`HPy_GetSlice`
 * :c:func:`HPy_HasAttr`
 * :c:func:`HPy_HasAttr_s`
 * :c:func:`HPy_Hash`
@@ -172,6 +174,7 @@ HPy Core API Function Index
 * :c:func:`HPy_SetItem`
 * :c:func:`HPy_SetItem_i`
 * :c:func:`HPy_SetItem_s`
+* :c:func:`HPy_SetSlice`
 * :c:func:`HPy_Str`
 * :c:func:`HPy_Subtract`
 * :c:func:`HPy_TrueDivide`

docs/api-reference/hpy-object.rst

@@ -2,4 +2,4 @@ HPy Object
 ==========
 
 .. autocmodule:: autogen/public_api.h
-   :members: HPy_IsTrue,HPy_GetAttr,HPy_GetAttr_s,HPy_HasAttr,HPy_HasAttr_s,HPy_SetAttr,HPy_SetAttr_s,HPy_GetItem,HPy_GetItem_s,HPy_GetItem_i,HPy_SetItem,HPy_SetItem_s,HPy_SetItem_i,HPy_DelItem,HPy_DelItem_s,HPy_DelItem_i,HPy_Type,HPy_TypeCheck,HPy_Is,HPy_Repr,HPy_Str,HPy_ASCII,HPy_Bytes,HPy_RichCompare,HPy_RichCompareBool,HPy_Hash,HPy_SetCallFunction
+   :members: HPy_IsTrue,HPy_GetAttr,HPy_GetAttr_s,HPy_HasAttr,HPy_HasAttr_s,HPy_SetAttr,HPy_SetAttr_s,HPy_GetItem,HPy_GetItem_s,HPy_GetItem_i,HPy_GetSlice,HPy_SetItem,HPy_SetItem_s,HPy_SetItem_i,HPy_SetSlice,HPy_DelItem,HPy_DelItem_s,HPy_DelItem_i,HPy_DelSlice,HPy_Type,HPy_TypeCheck,HPy_Is,HPy_Repr,HPy_Str,HPy_ASCII,HPy_Bytes,HPy_RichCompare,HPy_RichCompareBool,HPy_Hash,HPy_SetCallFunction

docs/porting-guide.rst

@@ -269,6 +269,9 @@ with the code for the :term:`CPython ABI` mode, so it is guaranteed to be correc
     `PyObject_Vectorcall <https://docs.python.org/3/c-api/call.html#c.PyObject_Vectorcall>`_                                           :c:func:`HPy_Call`
     `PyObject_VectorcallMethod <https://docs.python.org/3/c-api/call.html#c.PyObject_VectorcallMethod>`_                               :c:func:`HPy_CallMethod`
     `PySequence_Contains <https://docs.python.org/3/c-api/sequence.html#c.PySequence_Contains>`_                                       :c:func:`HPy_Contains`
+    `PySequence_DelSlice <https://docs.python.org/3/c-api/sequence.html#c.PySequence_DelSlice>`_                                       :c:func:`HPy_DelSlice`
+    `PySequence_GetSlice <https://docs.python.org/3/c-api/sequence.html#c.PySequence_GetSlice>`_                                       :c:func:`HPy_GetSlice`
+    `PySequence_SetSlice <https://docs.python.org/3/c-api/sequence.html#c.PySequence_SetSlice>`_                                       :c:func:`HPy_SetSlice`
     `PySlice_AdjustIndices <https://docs.python.org/3/c-api/slice.html#c.PySlice_AdjustIndices>`_                                      :c:func:`HPySlice_AdjustIndices`
     `PySlice_Unpack <https://docs.python.org/3/c-api/slice.html#c.PySlice_Unpack>`_                                                    :c:func:`HPySlice_Unpack`
     `PyTuple_Check <https://docs.python.org/3/c-api/tuple.html#c.PyTuple_Check>`_                                                      :c:func:`HPyTuple_Check`

hpy/tools/autogen/conf.py

@@ -32,12 +32,15 @@
     'HPy_GetItem': 'PyObject_GetItem',
     'HPy_GetItem_i': None,
     'HPy_GetItem_s': None,
+    'HPy_GetSlice': 'PySequence_GetSlice',
     'HPy_SetItem': 'PyObject_SetItem',
     'HPy_SetItem_i': None,
     'HPy_SetItem_s': None,
+    'HPy_SetSlice': 'PySequence_SetSlice',
     'HPy_DelItem': 'PyObject_DelItem',
     'HPy_DelItem_i': None,
     'HPy_DelItem_s': None,
+    'HPy_DelSlice': 'PySequence_DelSlice',
     'HPy_Contains': 'PySequence_Contains',
     'HPy_Length': 'PyObject_Length',
     'HPy_CallTupleDict': None,

hpy/tools/autogen/public_api.h

@@ -419,6 +419,27 @@ HPy HPy_GetItem_i(HPyContext *ctx, HPy obj, HPy_ssize_t idx);
 HPy_ID(160)
 HPy HPy_GetItem_s(HPyContext *ctx, HPy obj, const char *utf8_key);
 
+/**
+ * Return the slice of sequence object ``obj`` between ``start`` and ``end``.
+ * This is the equivalent of the Python expression ``obj[start:end]``.
+ *
+ * :param ctx:
+ *     The execution context.
+ * :param obj:
+ *     A sliceable Python object (must not be ``HPy_NULL`` otherwise a
+ *     ``SystemError`` will be raised). If the object is not sliceable, a
+ *     ``TypeError`` will be raised.
+ * :param start:
+ *     The start index (inclusive).
+ * :param end:
+ *     The end index (exclusive).
+ *
+ * :returns:
+ *     The requested slice or ``HPy_NULL`` on failure.
+ */
+HPy_ID(266)
+HPy HPy_GetSlice(HPyContext *ctx, HPy obj, HPy_ssize_t start, HPy_ssize_t end);
+
 HPy_ID(161)
 int HPy_Contains(HPyContext *ctx, HPy container, HPy key);
 
@@ -429,13 +450,58 @@ int HPy_SetItem_i(HPyContext *ctx, HPy obj, HPy_ssize_t idx, HPy value);
 HPy_ID(164)
 int HPy_SetItem_s(HPyContext *ctx, HPy obj, const char *utf8_key, HPy value);
 
+/**
+ * Assign the sequence object ``value`` to the slice in sequence object ``obj``
+ * from ``start`` to ``end``. This is the equivalent of the Python statement
+ * ``obj[start:end] = value``.
+ *
+ * :param ctx:
+ *     The execution context.
+ * :param obj:
+ *     A sliceable Python object (must not be ``HPy_NULL`` otherwise a
+ *     ``SystemError`` will be raised). If the object is not sliceable, a
+ *     ``TypeError`` will be raised.
+ * :param start:
+ *     The start index (inclusive).
+ * :param end:
+ *     The end index (exclusive).
+ * :param value:
+ *     The sequence object to assign (must not be ``HPy_NULL``).
+ *
+ * :returns:
+ *     ``0`` on success; ``-1`` on failure
+ */
+HPy_ID(267)
+int HPy_SetSlice(HPyContext *ctx, HPy obj, HPy_ssize_t start, HPy_ssize_t end, HPy value);
+
 HPy_ID(235)
 int HPy_DelItem(HPyContext *ctx, HPy obj, HPy key);
 HPy_ID(236)
 int HPy_DelItem_i(HPyContext *ctx, HPy obj, HPy_ssize_t idx);
 HPy_ID(237)
 int HPy_DelItem_s(HPyContext *ctx, HPy obj, const char *utf8_key);
 
+/**
+ * Delete the slice of sequence object ``obj`` between ``start`` and ``end``.
+ * This is the equivalent of the Python statement ``del obj[start:end]``.
+ *
+ * :param ctx:
+ *     The execution context.
+ * :param obj:
+ *     A sliceable Python object (must not be ``HPy_NULL`` otherwise a
+ *     ``SystemError`` will be raised). If the object is not sliceable, a
+ *     ``TypeError`` will be raised.
+ * :param start:
+ *     The start index (inclusive).
+ * :param end:
+ *     The end index (exclusive).
+ *
+ * :returns:
+ *     ``0`` on success; ``-1`` on failure
+ */
+HPy_ID(268)
+int HPy_DelSlice(HPyContext *ctx, HPy obj, HPy_ssize_t start, HPy_ssize_t end);
+
 /**
  * Returns the type of the given object ``obj``.
  *