Split the monstrous C API manual files in smaller parts.

1 files changed, 56 insertions, 0 deletions

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+.. highlightlang:: c
+
+.. _slice-objects:
+
+Slice Objects
+-------------
+
+
+.. cvar:: PyTypeObject PySlice_Type
+
+   .. index:: single: SliceType (in module types)
+
+   The type object for slice objects.  This is the same as ``slice`` and
+   ``types.SliceType``.
+
+
+.. cfunction:: int PySlice_Check(PyObject *ob)
+
+   Return true if *ob* is a slice object; *ob* must not be *NULL*.
+
+
+.. cfunction:: PyObject* PySlice_New(PyObject *start, PyObject *stop, PyObject *step)
+
+   Return a new slice object with the given values.  The *start*, *stop*, and
+   *step* parameters are used as the values of the slice object attributes of the
+   same names.  Any of the values may be *NULL*, in which case the ``None`` will be
+   used for the corresponding attribute.  Return *NULL* if the new object could not
+   be allocated.
+
+
+.. cfunction:: int PySlice_GetIndices(PySliceObject *slice, Py_ssize_t length, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step)
+
+   Retrieve the start, stop and step indices from the slice object *slice*,
+   assuming a sequence of length *length*. Treats indices greater than *length* as
+   errors.
+
+   Returns 0 on success and -1 on error with no exception set (unless one of the
+   indices was not :const:`None` and failed to be converted to an integer, in which
+   case -1 is returned with an exception set).
+
+   You probably do not want to use this function.  If you want to use slice objects
+   in versions of Python prior to 2.3, you would probably do well to incorporate
+   the source of :cfunc:`PySlice_GetIndicesEx`, suitably renamed, in the source of
+   your extension.
+
+
+.. cfunction:: int PySlice_GetIndicesEx(PySliceObject *slice, Py_ssize_t length, Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step, Py_ssize_t *slicelength)
+
+   Usable replacement for :cfunc:`PySlice_GetIndices`.  Retrieve the start, stop,
+   and step indices from the slice object *slice* assuming a sequence of length
+   *length*, and store the length of the slice in *slicelength*.  Out of bounds
+   indices are clipped in a manner consistent with the handling of normal slices.
+
+   Returns 0 on success and -1 on error with exception set.
+
+   .. versionadded:: 2.3