列表对象 ¶

PyListObject ¶

此子类型的 PyObject represents a Python list object.

PyTypeObject PyList_Type ¶

此实例的 PyTypeObject represents the Python list type. This is the same object as list 在 Python 层。

int PyList_Check ( PyObject  *p ) ¶

返回 True 若 p is a list object or an instance of a subtype of the list type.

2.2 版改变： Allowed subtypes to be accepted.

int PyList_CheckExact ( PyObject  *p ) ¶

返回 True 若 p is a list object, but not an instance of a subtype of the list type.

2.2 版新增。

PyObject * PyList_New ( Py_ssize_t  len ) ¶

返回值：新引用。

Return a new list of length len 当成功时，或 NULL 当故障时。

注意

若 len is greater than zero, the returned list object’s items are set to NULL . Thus you cannot use abstract API functions such as PySequence_SetItem() or expose the object to Python code before setting all items to a real object with PyList_SetItem() .

Changed in version 2.5: This function used an int for size . This might require changes in your code for properly supporting 64-bit systems.

Py_ssize_t PyList_Size ( PyObject  *list ) ¶

Return the length of the list object in list ; this is equivalent to len(list) on a list object.

Changed in version 2.5: This function returned an int . This might require changes in your code for properly supporting 64-bit systems.

Py_ssize_t PyList_GET_SIZE ( PyObject  *list ) ¶

Macro form of PyList_Size() without error checking.

Changed in version 2.5: This macro returned an int . This might require changes in your code for properly supporting 64-bit systems.

PyObject * PyList_GetItem ( PyObject  *list , Py_ssize_t  index ) ¶

返回值：借位引用。

Return the object at position index in the list pointed to by list . The position must be positive, indexing from the end of the list is not supported. If index is out of bounds, return NULL and set an IndexError 异常。

Changed in version 2.5: This function used an int for index . This might require changes in your code for properly supporting 64-bit systems.

PyObject * PyList_GET_ITEM ( PyObject  *list , Py_ssize_t  i ) ¶

返回值：借位引用。

Macro form of PyList_GetItem() without error checking.

Changed in version 2.5: This macro used an int for i . This might require changes in your code for properly supporting 64-bit systems.

int PyList_SetItem ( PyObject  *list , Py_ssize_t  index , PyObject  *item ) ¶

Set the item at index index in list to item 。返回 0 当成功时或 -1 当故障时。

注意

This function “steals” a reference to item and discards a reference to an item already in the list at the affected position.

Changed in version 2.5: This function used an int for index . This might require changes in your code for properly supporting 64-bit systems.

void PyList_SET_ITEM ( PyObject  *list , Py_ssize_t  i , PyObject  *o ) ¶

Macro form of PyList_SetItem() without error checking. This is normally only used to fill in new lists where there is no previous content.

注意

This macro “steals” a reference to item , and, unlike PyList_SetItem() , does not discard a reference to any item that it being replaced; any reference in list 在位置 i will be leaked.

Changed in version 2.5: This macro used an int for i . This might require changes in your code for properly supporting 64-bit systems.

int PyList_Insert ( PyObject  *list , Py_ssize_t  index , PyObject  *item ) ¶

Insert the item item into list list in front of index index 。返回 0 if successful; return -1 and set an exception if unsuccessful. Analogous to list.insert(index, item) .

Changed in version 2.5: This function used an int for index . This might require changes in your code for properly supporting 64-bit systems.

int PyList_Append ( PyObject  *list , PyObject  *item ) ¶

Append the object item at the end of list list 。返回 0 if successful; return -1 and set an exception if unsuccessful. Analogous to list.append(item) .

PyObject * PyList_GetSlice ( PyObject  *list , Py_ssize_t  low , Py_ssize_t  high ) ¶

返回值：新引用。

Return a list of the objects in list containing the objects between low and high 。返回 NULL and set an exception if unsuccessful. Analogous to list[low:high] . Negative indices, as when slicing from Python, are not supported.

Changed in version 2.5: This function used an int for low and high . This might require changes in your code for properly supporting 64-bit systems.

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 。 itemlist 可以是 NULL , indicating the assignment of an empty list (slice deletion). Return 0 当成功时， -1 on failure. Negative indices, as when slicing from Python, are not supported.

Changed in version 2.5: This function used an int for low and high . This might require changes in your code for properly supporting 64-bit systems.

int PyList_Sort ( PyObject  *list ) ¶

Sort the items of list in place. Return 0 当成功时， -1 on failure. This is equivalent to list.sort() .

int PyList_Reverse ( PyObject  *list ) ¶

Reverse the items of list in place. Return 0 当成功时， -1 on failure. This is the equivalent of list.reverse() .

PyObject * PyList_AsTuple ( PyObject  *list ) ¶

返回值：新引用。

Return a new tuple object containing the contents of list ; equivalent to tuple(list) .

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