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