# 函数对象

有一些特定于 Python 函数的函数。

`PyFunctionObject`

  用于函数的 C 结构体。

PyTypeObject `PyFunction_Type`

  这是一个 `PyTypeObject` 实例并表示 Python 函数类型。 它作为 `types.FunctionType` 向 Python 程序员公开。

int `PyFunction_Check`(PyObject *o)

  Return true if o is a function object (has type `PyFunction_Type`). The parameter must not be NULL.

PyObject* `PyFunction_New`(PyObject *code, PyObject *globals)
  Return value: New reference.

  返回与代码对象 code 关联的新函数对象。 globals 必须是一个字典，该函数可以访问全局变量。

  The function’s docstring and name are retrieved from the code object. __module__ is retrieved from globals. The argument defaults, annotations and closure are set to NULL. __qualname__ is set to the same value as the function’s name.

PyObject* `PyFunction_NewWithQualName`(PyObject *code, PyObject *globals, PyObject *qualname)
  Return value: New reference.

  As `PyFunction_New()`, but also allows setting the function object’s `__qualname__` attribute. qualname should be a unicode object or NULL; if NULL, the `__qualname__` attribute is set to the same value as its `__name__` attribute.

  3.3 新版功能.

PyObject* `PyFunction_GetCode`(PyObject *op)
  Return value: Borrowed reference.

  返回与函数对象 op 关联的代码对象。

PyObject* `PyFunction_GetGlobals`(PyObject *op)
  Return value: Borrowed reference.

  返回与函数对象*op*相关联的全局字典。

PyObject* `PyFunction_GetModule`(PyObject *op)
  Return value: Borrowed reference.

  返回函数对象 op 的 __module__ 属性，通常为一个包含了模块名称的字符串，但可以通过 Python 代码设为返回其他任意对象。

PyObject* `PyFunction_GetDefaults`(PyObject *op)
  Return value: Borrowed reference.

  Return the argument default values of the function object op. This can be a tuple of arguments or NULL.

int `PyFunction_SetDefaults`(PyObject *op, PyObject *defaults)

  Set the argument default values for the function object op. defaults must be Py_None or a tuple.

  失败时引发 `SystemError` 异常并返回 `-1` 。

PyObject* `PyFunction_GetClosure`(PyObject *op)
  Return value: Borrowed reference.

  Return the closure associated with the function object op. This can be NULL or a tuple of cell objects.

int `PyFunction_SetClosure`(PyObject *op, PyObject *closure)

  Set the closure associated with the function object op. closure must be Py_None or a tuple of cell objects.

  失败时引发 `SystemError` 异常并返回 `-1` 。

PyObject *`PyFunction_GetAnnotations`(PyObject *op)

  Return the annotations of the function object op. This can be a mutable dictionary or NULL.

int `PyFunction_SetAnnotations`(PyObject *op, PyObject *annotations)

  Set the annotations for the function object op. annotations must be a dictionary or Py_None.

  失败时引发 `SystemError` 异常并返回 `-1` 。