#ifndef Py_CONTEXT_H #define Py_CONTEXT_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_LIMITED_API 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); #endif /* !Py_LIMITED_API */ #ifdef __cplusplus } #endif #endif /* !Py_CONTEXT_H */