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authorJeroen Ruigrok van der Werven <asmodai@in-nomine.org>2009-04-27 05:43:17 (GMT)
committerJeroen Ruigrok van der Werven <asmodai@in-nomine.org>2009-04-27 05:43:17 (GMT)
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tree415121c8f8231e25dd7686796a2d90680454cabe /Doc/c-api/list.rst
parent5c32f671f60c1927951161432b4ee3b4fa68e212 (diff)
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Merged revisions 71920-71923,71925-71929,71931-71934,71937 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r71920 | jeroen.ruigrok | 2009-04-25 21:44:55 +0200 (za, 25 apr 2009) | 5 lines Issue #4129: More documentation pointers about int -> Py_ssize_t. Also fix up the documentation for PyObject_GC_Resize(). It seems that since it first got documented, the documentation was actually for _PyObject_GC_Resize(). ........ r71921 | jeroen.ruigrok | 2009-04-25 21:46:19 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: Documentation notes for int -> Py_ssize_t changes. ........ r71922 | jeroen.ruigrok | 2009-04-25 21:49:05 +0200 (za, 25 apr 2009) | 2 lines Reformat, since I've been busy here anyway. ........ r71923 | jeroen.ruigrok | 2009-04-25 21:54:34 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: Add a versionchanged notice for a few forgotten entries. ........ r71925 | jeroen.ruigrok | 2009-04-25 22:37:39 +0200 (za, 25 apr 2009) | 2 lines Since it's a macro, actually refer to it as such instead of function. ........ r71926 | jeroen.ruigrok | 2009-04-25 22:40:10 +0200 (za, 25 apr 2009) | 2 lines Reformat prior to editing. ........ r71927 | jeroen.ruigrok | 2009-04-25 22:41:40 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: int -> Py_ssize_t documentation. ........ r71928 | jeroen.ruigrok | 2009-04-25 22:43:30 +0200 (za, 25 apr 2009) | 2 lines Reformat prior to editing. ........ r71929 | jeroen.ruigrok | 2009-04-25 22:44:58 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: int -> Py_ssize_t documentation. ........ r71931 | jeroen.ruigrok | 2009-04-25 22:50:27 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: int -> Py_ssize_t documentation. ........ r71932 | jeroen.ruigrok | 2009-04-25 22:55:39 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: more int -> Py_ssize_t documentation. ........ r71933 | jeroen.ruigrok | 2009-04-25 22:58:35 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: more int -> Py_ssize_t documentation. ........ r71934 | jeroen.ruigrok | 2009-04-25 23:02:34 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: field changed from int to Py_ssize_t. ........ r71937 | jeroen.ruigrok | 2009-04-25 23:16:05 +0200 (za, 25 apr 2009) | 2 lines Issue #4129: document int -> Py_ssize_t changes. ........
Diffstat (limited to 'Doc/c-api/list.rst')
-rw-r--r--Doc/c-api/list.rst85
1 files changed, 50 insertions, 35 deletions
diff --git a/Doc/c-api/list.rst b/Doc/c-api/list.rst
index e2990e7..e971d36 100644
--- a/Doc/c-api/list.rst
+++ b/Doc/c-api/list.rst
@@ -17,8 +17,9 @@ List Objects
.. index:: single: ListType (in module types)
- This instance of :ctype:`PyTypeObject` represents the Python list type. This is
- the same object as ``list`` and ``types.ListType`` in the Python layer.
+ This instance of :ctype:`PyTypeObject` represents the Python list type.
+ This is the same object as ``list`` and ``types.ListType`` in the Python
+ layer.
.. cfunction:: int PyList_Check(PyObject *p)
@@ -29,8 +30,8 @@ List Objects
.. cfunction:: int PyList_CheckExact(PyObject *p)
- Return true if *p* is a list object, but not an instance of a subtype of the
- list type.
+ Return true if *p* is a list object, but not an instance of a subtype of
+ the list type.
.. cfunction:: PyObject* PyList_New(Py_ssize_t len)
@@ -39,10 +40,10 @@ List Objects
.. note::
- If *length* is greater than zero, the returned list object's items are set to
- ``NULL``. Thus you cannot use abstract API functions such as
- :cfunc:`PySequence_SetItem` or expose the object to Python code before setting
- all items to a real object with :cfunc:`PyList_SetItem`.
+ If *length* is greater than zero, the returned list object's items are
+ set to ``NULL``. Thus you cannot use abstract API functions such as
+ :cfunc:`PySequence_SetItem` or expose the object to Python code before
+ setting all items to a real object with :cfunc:`PyList_SetItem`.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *size*. This might require
@@ -65,12 +66,17 @@ List Objects
Macro form of :cfunc:`PyList_Size` without error checking.
+ .. versionchanged:: 2.5
+ This macro returned an :ctype:`int`. This might require changes in your
+ code for properly supporting 64-bit systems.
+
.. cfunction:: PyObject* PyList_GetItem(PyObject *list, Py_ssize_t index)
- Return the object at position *pos* in the list pointed to by *p*. The position
- must be positive, indexing from the end of the list is not supported. If *pos*
- is out of bounds, return *NULL* and set an :exc:`IndexError` exception.
+ Return the object at position *pos* in the list pointed to by *p*. The
+ position must be positive, indexing from the end of the list is not
+ supported. If *pos* is out of bounds, return *NULL* and set an
+ :exc:`IndexError` exception.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *index*. This might require
@@ -81,16 +87,20 @@ List Objects
Macro form of :cfunc:`PyList_GetItem` without error checking.
+ .. versionchanged:: 2.5
+ This macro used an :ctype:`int` for *i*. This might require changes in
+ your code for properly supporting 64-bit systems.
+
.. cfunction:: int PyList_SetItem(PyObject *list, Py_ssize_t index, PyObject *item)
- Set the item at index *index* in list to *item*. Return ``0`` on success or
- ``-1`` on failure.
+ Set the item at index *index* in list to *item*. Return ``0`` on success
+ or ``-1`` on failure.
.. note::
- This function "steals" a reference to *item* and discards a reference to an item
- already in the list at the affected position.
+ This function "steals" a reference to *item* and discards a reference to
+ an item already in the list at the affected position.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *index*. This might require
@@ -99,21 +109,26 @@ List Objects
.. cfunction:: void PyList_SET_ITEM(PyObject *list, Py_ssize_t i, PyObject *o)
- Macro form of :cfunc:`PyList_SetItem` without error checking. This is normally
- only used to fill in new lists where there is no previous content.
+ Macro form of :cfunc:`PyList_SetItem` without error checking. This is
+ normally only used to fill in new lists where there is no previous content.
.. note::
- This function "steals" a reference to *item*, and, unlike
- :cfunc:`PyList_SetItem`, does *not* discard a reference to any item that it
- being replaced; any reference in *list* at position *i* will be leaked.
+ This macro "steals" a reference to *item*, and, unlike
+ :cfunc:`PyList_SetItem`, does *not* discard a reference to any item that
+ is being replaced; any reference in *list* at position *i* will be
+ leaked.
+
+ .. versionchanged:: 2.5
+ This macro used an :ctype:`int` for *i*. This might require
+ changes in your code for properly supporting 64-bit systems.
.. cfunction:: int PyList_Insert(PyObject *list, Py_ssize_t index, PyObject *item)
- Insert the item *item* into list *list* in front of index *index*. Return ``0``
- if successful; return ``-1`` and set an exception if unsuccessful. Analogous to
- ``list.insert(index, item)``.
+ Insert the item *item* into list *list* in front of index *index*. Return
+ ``0`` if successful; return ``-1`` and set an exception if unsuccessful.
+ Analogous to ``list.insert(index, item)``.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *index*. This might require
@@ -122,16 +137,16 @@ List Objects
.. cfunction:: int PyList_Append(PyObject *list, PyObject *item)
- Append the object *item* at the end of list *list*. Return ``0`` if successful;
- return ``-1`` and set an exception if unsuccessful. Analogous to
- ``list.append(item)``.
+ Append the object *item* at the end of list *list*. Return ``0`` if
+ successful; return ``-1`` and set an exception if unsuccessful. Analogous
+ to ``list.append(item)``.
.. cfunction:: PyObject* PyList_GetSlice(PyObject *list, Py_ssize_t low, Py_ssize_t high)
- Return a list of the objects in *list* containing the objects *between* *low*
- and *high*. Return *NULL* and set an exception if unsuccessful. Analogous to
- ``list[low:high]``.
+ Return a list of the objects in *list* containing the objects *between*
+ *low* and *high*. Return *NULL* and set an exception if unsuccessful.
+ Analogous to ``list[low:high]``.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *low* and *high*. This might
@@ -140,10 +155,10 @@ List Objects
.. cfunction:: int PyList_SetSlice(PyObject *list, Py_ssize_t low, Py_ssize_t high, PyObject *itemlist)
- Set the slice of *list* between *low* and *high* to the contents of *itemlist*.
- Analogous to ``list[low:high] = itemlist``. The *itemlist* may be *NULL*,
- indicating the assignment of an empty list (slice deletion). Return ``0`` on
- success, ``-1`` on failure.
+ Set the slice of *list* between *low* and *high* to the contents of
+ *itemlist*. Analogous to ``list[low:high] = itemlist``. The *itemlist* may
+ be *NULL*, indicating the assignment of an empty list (slice deletion).
+ Return ``0`` on success, ``-1`` on failure.
.. versionchanged:: 2.5
This function used an :ctype:`int` for *low* and *high*. This might
@@ -152,8 +167,8 @@ List Objects
.. cfunction:: int PyList_Sort(PyObject *list)
- Sort the items of *list* in place. Return ``0`` on success, ``-1`` on failure.
- This is equivalent to ``list.sort()``.
+ Sort the items of *list* in place. Return ``0`` on success, ``-1`` on
+ failure. This is equivalent to ``list.sort()``.
.. cfunction:: int PyList_Reverse(PyObject *list)