|
- #ifndef Py_LIMITED_API
- #ifndef Py_CONTEXT_H
- #define Py_CONTEXT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- PyAPI_DATA(PyTypeObject) PyContext_Type;
- typedef struct _pycontextobject PyContext;
-
- PyAPI_DATA(PyTypeObject) PyContextVar_Type;
- typedef struct _pycontextvarobject PyContextVar;
-
- PyAPI_DATA(PyTypeObject) PyContextToken_Type;
- typedef struct _pycontexttokenobject PyContextToken;
-
-
- #define PyContext_CheckExact(o) Py_IS_TYPE((o), &PyContext_Type)
- #define PyContextVar_CheckExact(o) Py_IS_TYPE((o), &PyContextVar_Type)
- #define PyContextToken_CheckExact(o) Py_IS_TYPE((o), &PyContextToken_Type)
-
-
- PyAPI_FUNC(PyObject *) PyContext_New(void);
- PyAPI_FUNC(PyObject *) PyContext_Copy(PyObject *);
- PyAPI_FUNC(PyObject *) PyContext_CopyCurrent(void);
-
- PyAPI_FUNC(int) PyContext_Enter(PyObject *);
- PyAPI_FUNC(int) PyContext_Exit(PyObject *);
-
-
- /* Create a new context variable.
-
- default_value can be NULL.
- */
- PyAPI_FUNC(PyObject *) PyContextVar_New(
- const char *name, PyObject *default_value);
-
-
- /* Get a value for the variable.
-
- Returns -1 if an error occurred during lookup.
-
- Returns 0 if value either was or was not found.
-
- If value was found, *value will point to it.
- If not, it will point to:
-
- - default_value, if not NULL;
- - the default value of "var", if not NULL;
- - NULL.
-
- '*value' will be a new ref, if not NULL.
- */
- PyAPI_FUNC(int) PyContextVar_Get(
- PyObject *var, PyObject *default_value, PyObject **value);
-
-
- /* Set a new value for the variable.
- Returns NULL if an error occurs.
- */
- PyAPI_FUNC(PyObject *) PyContextVar_Set(PyObject *var, PyObject *value);
-
-
- /* Reset a variable to its previous value.
- Returns 0 on success, -1 on error.
- */
- PyAPI_FUNC(int) PyContextVar_Reset(PyObject *var, PyObject *token);
-
-
- /* This method is exposed only for CPython tests. Don not use it. */
- PyAPI_FUNC(PyObject *) _PyContext_NewHamtForTests(void);
-
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_CONTEXT_H */
- #endif /* !Py_LIMITED_API */
|