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# Objeto Tuple

`PyTupleObject`

  Este subtipo de `PyObject` representa um objeto tupla em Python.

PyTypeObject `PyTuple_Type`

  This instance of `PyTypeObject` represents the Python tuple type; it is the same object as `tuple` and `types.TupleType` in the Python layer..

int `PyTuple_Check`(PyObject *p)

  Devolve verdadeiro se p é um objeto tupla ou uma instância de um subtipo do tipo tupla.

  Alterado na versão 2.2: Allowed subtypes to be accepted.

int `PyTuple_CheckExact`(PyObject *p)

  Devolve verdadeiro se p é um objeto tupla, mas não uma instância de um subtipo do tipo tupla.

  Novo na versão 2.2.

PyObject* `PyTuple_New`(Py_ssize_t len)
  Return value: New reference.

  Return a new tuple object of size len, or NULL on failure.

  Alterado na versão 2.5: This function used an `int` type for len. This might require changes in your code for properly supporting 64-bit systems.

PyObject* `PyTuple_Pack`(Py_ssize_t n, ...)
  Return value: New reference.

  Return a new tuple object of size n, or NULL on failure. The tuple values are initialized to the subsequent n C arguments pointing to Python objects. `PyTuple_Pack(2, a, b)` is equivalent to `Py_BuildValue("(OO)", a, b)`.

  Novo na versão 2.4.

  Alterado na versão 2.5: This function used an `int` type for n. This might require changes in your code for properly supporting 64-bit systems.

Py_ssize_t `PyTuple_Size`(PyObject *p)

  Take a pointer to a tuple object, and return the size of that tuple.

  Alterado na versão 2.5: This function returned an `int` type. This might require changes in your code for properly supporting 64-bit systems.

Py_ssize_t `PyTuple_GET_SIZE`(PyObject *p)

  Return the size of the tuple p, which must be non-NULL and point to a tuple; no error checking is performed.

  Alterado na versão 2.5: This function returned an `int` type. This might require changes in your code for properly supporting 64-bit systems.

PyObject* `PyTuple_GetItem`(PyObject *p, Py_ssize_t pos)
  Return value: Borrowed reference.

  Return the object at position pos in the tuple pointed to by p. If pos is out of bounds, return NULL and set an `IndexError` exception.

  Alterado na versão 2.5: This function used an `int` type for pos. This might require changes in your code for properly supporting 64-bit systems.

PyObject* `PyTuple_GET_ITEM`(PyObject *p, Py_ssize_t pos)
  Return value: Borrowed reference.

  Like `PyTuple_GetItem()`, but does no checking of its arguments.

  Alterado na versão 2.5: This function used an `int` type for pos. This might require changes in your code for properly supporting 64-bit systems.

PyObject* `PyTuple_GetSlice`(PyObject *p, Py_ssize_t low, Py_ssize_t high)
  Return value: New reference.

  Return the slice of the tuple pointed to by p between low and high, or NULL on failure. This is the equivalent of the Python expression `p[low:high]`. Indexing from the end of the list is not supported.

  Alterado na versão 2.5: This function used an `int` type for low and high. This might require changes in your code for properly supporting 64-bit systems.

int `PyTuple_SetItem`(PyObject *p, Py_ssize_t pos, PyObject *o)

  Insert a reference to object o at position pos of the tuple pointed to by p. Return `0` on success. If pos is out of bounds, return `-1` and set an `IndexError` exception.

  Nota

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

  Alterado na versão 2.5: This function used an `int` type for pos. This might require changes in your code for properly supporting 64-bit systems.

void `PyTuple_SET_ITEM`(PyObject *p, Py_ssize_t pos, PyObject *o)

  Like `PyTuple_SetItem()`, but does no error checking, and should only be used to fill in brand new tuples.

  Nota

  This macro “steals” a reference to o, and, unlike `PyTuple_SetItem()`, does not discard a reference to any item that is being replaced; any reference in the tuple at position pos will be leaked.

  Alterado na versão 2.5: This function used an `int` type for pos. This might require changes in your code for properly supporting 64-bit systems.

int `_PyTuple_Resize`(PyObject **p, Py_ssize_t newsize)

  Can be used to resize a tuple. newsize will be the new length of the tuple. Because tuples are supposed to be immutable, this should only be used if there is only one reference to the object. Do not use this if the tuple may already be known to some other part of the code. The tuple will always grow or shrink at the end. Think of this as destroying the old tuple and creating a new one, only more efficiently. Returns `0` on success. Client code should never assume that the resulting value of `*p` will be the same as before calling this function. If the object referenced by `*p` is replaced, the original `*p` is destroyed. On failure, returns `-1` and sets `*p` to NULL, and raises `MemoryError` or `SystemError`.

  Alterado na versão 2.2: Removed unused third parameter, last_is_sticky.

  Alterado na versão 2.5: This function used an `int` type for newsize. This might require changes in your code for properly supporting 64-bit systems.

int `PyTuple_ClearFreeList`()

  Limpe a lista livre. Retorna o número total de itens liberados.

  Novo na versão 2.6.