mirror of https://github.com/python/cpython
874 lines
31 KiB
C
874 lines
31 KiB
C
/* Abstract Object Interface (many thanks to Jim Fulton) */
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#ifndef Py_ABSTRACTOBJECT_H
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#define Py_ABSTRACTOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* === Object Protocol ================================================== */
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/* Implemented elsewhere:
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int PyObject_Print(PyObject *o, FILE *fp, int flags);
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Print an object 'o' on file 'fp'. Returns -1 on error. The flags argument
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is used to enable certain printing options. The only option currently
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supported is Py_Print_RAW.
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(What should be said about Py_Print_RAW?). */
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/* Implemented elsewhere:
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int PyObject_HasAttrString(PyObject *o, const char *attr_name);
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Returns 1 if object 'o' has the attribute attr_name, and 0 otherwise.
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This is equivalent to the Python expression: hasattr(o,attr_name).
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This function always succeeds. */
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/* Implemented elsewhere:
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PyObject* PyObject_GetAttrString(PyObject *o, const char *attr_name);
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Retrieve an attributed named attr_name form object o.
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Returns the attribute value on success, or NULL on failure.
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This is the equivalent of the Python expression: o.attr_name. */
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/* Implemented elsewhere:
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int PyObject_HasAttr(PyObject *o, PyObject *attr_name);
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Returns 1 if o has the attribute attr_name, and 0 otherwise.
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This is equivalent to the Python expression: hasattr(o,attr_name).
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This function always succeeds. */
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/* Implemented elsewhere:
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PyObject* PyObject_GetAttr(PyObject *o, PyObject *attr_name);
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Retrieve an attributed named 'attr_name' form object 'o'.
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Returns the attribute value on success, or NULL on failure.
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This is the equivalent of the Python expression: o.attr_name. */
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/* Implemented elsewhere:
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int PyObject_SetAttrString(PyObject *o, const char *attr_name, PyObject *v);
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Set the value of the attribute named attr_name, for object 'o',
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to the value 'v'. Raise an exception and return -1 on failure; return 0 on
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success.
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This is the equivalent of the Python statement o.attr_name=v. */
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/* Implemented elsewhere:
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int PyObject_SetAttr(PyObject *o, PyObject *attr_name, PyObject *v);
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Set the value of the attribute named attr_name, for object 'o', to the value
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'v'. an exception and return -1 on failure; return 0 on success.
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This is the equivalent of the Python statement o.attr_name=v. */
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/* Implemented as a macro:
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int PyObject_DelAttrString(PyObject *o, const char *attr_name);
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Delete attribute named attr_name, for object o. Returns
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-1 on failure.
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This is the equivalent of the Python statement: del o.attr_name. */
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#define PyObject_DelAttrString(O,A) PyObject_SetAttrString((O),(A), NULL)
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/* Implemented as a macro:
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int PyObject_DelAttr(PyObject *o, PyObject *attr_name);
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Delete attribute named attr_name, for object o. Returns -1
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on failure. This is the equivalent of the Python
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statement: del o.attr_name. */
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#define PyObject_DelAttr(O,A) PyObject_SetAttr((O),(A), NULL)
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/* Implemented elsewhere:
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PyObject *PyObject_Repr(PyObject *o);
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Compute the string representation of object 'o'. Returns the
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string representation on success, NULL on failure.
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This is the equivalent of the Python expression: repr(o).
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Called by the repr() built-in function. */
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/* Implemented elsewhere:
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PyObject *PyObject_Str(PyObject *o);
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Compute the string representation of object, o. Returns the
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string representation on success, NULL on failure.
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This is the equivalent of the Python expression: str(o).
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Called by the str() and print() built-in functions. */
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/* Declared elsewhere
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PyAPI_FUNC(int) PyCallable_Check(PyObject *o);
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Determine if the object, o, is callable. Return 1 if the object is callable
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and 0 otherwise.
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This function always succeeds. */
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#ifdef PY_SSIZE_T_CLEAN
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# define PyObject_CallFunction _PyObject_CallFunction_SizeT
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# define PyObject_CallMethod _PyObject_CallMethod_SizeT
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#endif
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000
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/* Call a callable Python object without any arguments */
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PyAPI_FUNC(PyObject *) PyObject_CallNoArgs(PyObject *func);
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#endif
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/* Call a callable Python object 'callable' with arguments given by the
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tuple 'args' and keywords arguments given by the dictionary 'kwargs'.
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'args' must not be NULL, use an empty tuple if no arguments are
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needed. If no named arguments are needed, 'kwargs' can be NULL.
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This is the equivalent of the Python expression:
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callable(*args, **kwargs). */
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PyAPI_FUNC(PyObject *) PyObject_Call(PyObject *callable,
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PyObject *args, PyObject *kwargs);
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/* Call a callable Python object 'callable', with arguments given by the
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tuple 'args'. If no arguments are needed, then 'args' can be NULL.
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Returns the result of the call on success, or NULL on failure.
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This is the equivalent of the Python expression:
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callable(*args). */
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PyAPI_FUNC(PyObject *) PyObject_CallObject(PyObject *callable,
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PyObject *args);
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/* Call a callable Python object, callable, with a variable number of C
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arguments. The C arguments are described using a mkvalue-style format
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string.
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The format may be NULL, indicating that no arguments are provided.
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Returns the result of the call on success, or NULL on failure.
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This is the equivalent of the Python expression:
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callable(arg1, arg2, ...). */
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PyAPI_FUNC(PyObject *) PyObject_CallFunction(PyObject *callable,
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const char *format, ...);
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/* Call the method named 'name' of object 'obj' with a variable number of
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C arguments. The C arguments are described by a mkvalue format string.
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The format can be NULL, indicating that no arguments are provided.
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Returns the result of the call on success, or NULL on failure.
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This is the equivalent of the Python expression:
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obj.name(arg1, arg2, ...). */
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PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *obj,
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const char *name,
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const char *format, ...);
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PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable,
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const char *format,
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...);
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PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *obj,
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const char *name,
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const char *format,
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...);
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/* Call a callable Python object 'callable' with a variable number of C
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arguments. The C arguments are provided as PyObject* values, terminated
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by a NULL.
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Returns the result of the call on success, or NULL on failure.
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This is the equivalent of the Python expression:
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callable(arg1, arg2, ...). */
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PyAPI_FUNC(PyObject *) PyObject_CallFunctionObjArgs(PyObject *callable,
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...);
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/* Call the method named 'name' of object 'obj' with a variable number of
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C arguments. The C arguments are provided as PyObject* values, terminated
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by NULL.
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Returns the result of the call on success, or NULL on failure.
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This is the equivalent of the Python expression: obj.name(*args). */
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PyAPI_FUNC(PyObject *) PyObject_CallMethodObjArgs(
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PyObject *obj,
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PyObject *name,
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...);
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/* Implemented elsewhere:
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Py_hash_t PyObject_Hash(PyObject *o);
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Compute and return the hash, hash_value, of an object, o. On
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failure, return -1.
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This is the equivalent of the Python expression: hash(o). */
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/* Implemented elsewhere:
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int PyObject_IsTrue(PyObject *o);
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Returns 1 if the object, o, is considered to be true, 0 if o is
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considered to be false and -1 on failure.
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This is equivalent to the Python expression: not not o. */
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/* Implemented elsewhere:
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int PyObject_Not(PyObject *o);
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Returns 0 if the object, o, is considered to be true, 1 if o is
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considered to be false and -1 on failure.
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This is equivalent to the Python expression: not o. */
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/* Get the type of an object.
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On success, returns a type object corresponding to the object type of object
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'o'. On failure, returns NULL.
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This is equivalent to the Python expression: type(o) */
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PyAPI_FUNC(PyObject *) PyObject_Type(PyObject *o);
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/* Return the size of object 'o'. If the object 'o' provides both sequence and
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mapping protocols, the sequence size is returned.
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On error, -1 is returned.
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This is the equivalent to the Python expression: len(o) */
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PyAPI_FUNC(Py_ssize_t) PyObject_Size(PyObject *o);
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/* For DLL compatibility */
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#undef PyObject_Length
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PyAPI_FUNC(Py_ssize_t) PyObject_Length(PyObject *o);
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#define PyObject_Length PyObject_Size
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/* Return element of 'o' corresponding to the object 'key'. Return NULL
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on failure.
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This is the equivalent of the Python expression: o[key] */
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PyAPI_FUNC(PyObject *) PyObject_GetItem(PyObject *o, PyObject *key);
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/* Map the object 'key' to the value 'v' into 'o'.
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Raise an exception and return -1 on failure; return 0 on success.
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This is the equivalent of the Python statement: o[key]=v. */
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PyAPI_FUNC(int) PyObject_SetItem(PyObject *o, PyObject *key, PyObject *v);
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/* Remove the mapping for the string 'key' from the object 'o'.
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Returns -1 on failure.
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This is equivalent to the Python statement: del o[key]. */
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PyAPI_FUNC(int) PyObject_DelItemString(PyObject *o, const char *key);
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/* Delete the mapping for the object 'key' from the object 'o'.
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Returns -1 on failure.
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This is the equivalent of the Python statement: del o[key]. */
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PyAPI_FUNC(int) PyObject_DelItem(PyObject *o, PyObject *key);
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/* === Old Buffer API ============================================ */
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/* FIXME: usage of these should all be replaced in Python itself
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but for backwards compatibility we will implement them.
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Their usage without a corresponding "unlock" mechanism
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may create issues (but they would already be there). */
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/* Takes an arbitrary object which must support the (character, single segment)
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buffer interface and returns a pointer to a read-only memory location
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useable as character based input for subsequent processing.
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Return 0 on success. buffer and buffer_len are only set in case no error
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occurs. Otherwise, -1 is returned and an exception set. */
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Py_DEPRECATED(3.0)
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PyAPI_FUNC(int) PyObject_AsCharBuffer(PyObject *obj,
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const char **buffer,
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Py_ssize_t *buffer_len);
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/* Checks whether an arbitrary object supports the (character, single segment)
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buffer interface.
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Returns 1 on success, 0 on failure. */
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Py_DEPRECATED(3.0) PyAPI_FUNC(int) PyObject_CheckReadBuffer(PyObject *obj);
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/* Same as PyObject_AsCharBuffer() except that this API expects (readable,
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single segment) buffer interface and returns a pointer to a read-only memory
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location which can contain arbitrary data.
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0 is returned on success. buffer and buffer_len are only set in case no
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error occurs. Otherwise, -1 is returned and an exception set. */
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Py_DEPRECATED(3.0)
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PyAPI_FUNC(int) PyObject_AsReadBuffer(PyObject *obj,
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const void **buffer,
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Py_ssize_t *buffer_len);
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/* Takes an arbitrary object which must support the (writable, single segment)
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buffer interface and returns a pointer to a writable memory location in
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buffer of size 'buffer_len'.
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Return 0 on success. buffer and buffer_len are only set in case no error
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occurs. Otherwise, -1 is returned and an exception set. */
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Py_DEPRECATED(3.0)
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PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
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void **buffer,
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Py_ssize_t *buffer_len);
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/* === New Buffer API ============================================ */
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/* Takes an arbitrary object and returns the result of calling
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obj.__format__(format_spec). */
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PyAPI_FUNC(PyObject *) PyObject_Format(PyObject *obj,
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PyObject *format_spec);
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/* ==== Iterators ================================================ */
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/* Takes an object and returns an iterator for it.
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This is typically a new iterator but if the argument is an iterator, this
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returns itself. */
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PyAPI_FUNC(PyObject *) PyObject_GetIter(PyObject *);
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/* Takes an AsyncIterable object and returns an AsyncIterator for it.
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This is typically a new iterator but if the argument is an AsyncIterator,
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this returns itself. */
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PyAPI_FUNC(PyObject *) PyObject_GetAIter(PyObject *);
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/* Returns non-zero if the object 'obj' provides iterator protocols, and 0 otherwise.
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This function always succeeds. */
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PyAPI_FUNC(int) PyIter_Check(PyObject *);
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/* Returns non-zero if the object 'obj' provides AsyncIterator protocols, and 0 otherwise.
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This function always succeeds. */
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PyAPI_FUNC(int) PyAIter_Check(PyObject *);
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/* Takes an iterator object and calls its tp_iternext slot,
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returning the next value.
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If the iterator is exhausted, this returns NULL without setting an
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exception.
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NULL with an exception means an error occurred. */
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PyAPI_FUNC(PyObject *) PyIter_Next(PyObject *);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030A0000
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/* Takes generator, coroutine or iterator object and sends the value into it.
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Returns:
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- PYGEN_RETURN (0) if generator has returned.
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'result' parameter is filled with return value
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- PYGEN_ERROR (-1) if exception was raised.
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'result' parameter is NULL
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- PYGEN_NEXT (1) if generator has yielded.
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'result' parameter is filled with yielded value. */
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PyAPI_FUNC(PySendResult) PyIter_Send(PyObject *, PyObject *, PyObject **);
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#endif
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/* === Number Protocol ================================================== */
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/* Returns 1 if the object 'o' provides numeric protocols, and 0 otherwise.
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This function always succeeds. */
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PyAPI_FUNC(int) PyNumber_Check(PyObject *o);
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/* Returns the result of adding o1 and o2, or NULL on failure.
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This is the equivalent of the Python expression: o1 + o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Add(PyObject *o1, PyObject *o2);
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/* Returns the result of subtracting o2 from o1, or NULL on failure.
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This is the equivalent of the Python expression: o1 - o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Subtract(PyObject *o1, PyObject *o2);
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/* Returns the result of multiplying o1 and o2, or NULL on failure.
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This is the equivalent of the Python expression: o1 * o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Multiply(PyObject *o1, PyObject *o2);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
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/* This is the equivalent of the Python expression: o1 @ o2. */
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PyAPI_FUNC(PyObject *) PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2);
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#endif
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/* Returns the result of dividing o1 by o2 giving an integral result,
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or NULL on failure.
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This is the equivalent of the Python expression: o1 // o2. */
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PyAPI_FUNC(PyObject *) PyNumber_FloorDivide(PyObject *o1, PyObject *o2);
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/* Returns the result of dividing o1 by o2 giving a float result, or NULL on
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failure.
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This is the equivalent of the Python expression: o1 / o2. */
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PyAPI_FUNC(PyObject *) PyNumber_TrueDivide(PyObject *o1, PyObject *o2);
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/* Returns the remainder of dividing o1 by o2, or NULL on failure.
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This is the equivalent of the Python expression: o1 % o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Remainder(PyObject *o1, PyObject *o2);
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/* See the built-in function divmod.
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Returns NULL on failure.
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This is the equivalent of the Python expression: divmod(o1, o2). */
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PyAPI_FUNC(PyObject *) PyNumber_Divmod(PyObject *o1, PyObject *o2);
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/* See the built-in function pow. Returns NULL on failure.
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This is the equivalent of the Python expression: pow(o1, o2, o3),
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where o3 is optional. */
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PyAPI_FUNC(PyObject *) PyNumber_Power(PyObject *o1, PyObject *o2,
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PyObject *o3);
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/* Returns the negation of o on success, or NULL on failure.
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This is the equivalent of the Python expression: -o. */
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PyAPI_FUNC(PyObject *) PyNumber_Negative(PyObject *o);
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/* Returns the positive of o on success, or NULL on failure.
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This is the equivalent of the Python expression: +o. */
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PyAPI_FUNC(PyObject *) PyNumber_Positive(PyObject *o);
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/* Returns the absolute value of 'o', or NULL on failure.
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This is the equivalent of the Python expression: abs(o). */
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PyAPI_FUNC(PyObject *) PyNumber_Absolute(PyObject *o);
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/* Returns the bitwise negation of 'o' on success, or NULL on failure.
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This is the equivalent of the Python expression: ~o. */
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PyAPI_FUNC(PyObject *) PyNumber_Invert(PyObject *o);
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/* Returns the result of left shifting o1 by o2 on success, or NULL on failure.
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This is the equivalent of the Python expression: o1 << o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Lshift(PyObject *o1, PyObject *o2);
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/* Returns the result of right shifting o1 by o2 on success, or NULL on
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failure.
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This is the equivalent of the Python expression: o1 >> o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Rshift(PyObject *o1, PyObject *o2);
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/* Returns the result of bitwise and of o1 and o2 on success, or NULL on
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failure.
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This is the equivalent of the Python expression: o1 & o2. */
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PyAPI_FUNC(PyObject *) PyNumber_And(PyObject *o1, PyObject *o2);
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/* Returns the bitwise exclusive or of o1 by o2 on success, or NULL on failure.
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This is the equivalent of the Python expression: o1 ^ o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Xor(PyObject *o1, PyObject *o2);
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/* Returns the result of bitwise or on o1 and o2 on success, or NULL on
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failure.
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This is the equivalent of the Python expression: o1 | o2. */
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PyAPI_FUNC(PyObject *) PyNumber_Or(PyObject *o1, PyObject *o2);
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/* Returns 1 if obj is an index integer (has the nb_index slot of the
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tp_as_number structure filled in), and 0 otherwise. */
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PyAPI_FUNC(int) PyIndex_Check(PyObject *);
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|
/* Returns the object 'o' converted to a Python int, or NULL with an exception
|
|
raised on failure. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_Index(PyObject *o);
|
|
|
|
/* Returns the object 'o' converted to Py_ssize_t by going through
|
|
PyNumber_Index() first.
|
|
|
|
If an overflow error occurs while converting the int to Py_ssize_t, then the
|
|
second argument 'exc' is the error-type to return. If it is NULL, then the
|
|
overflow error is cleared and the value is clipped. */
|
|
PyAPI_FUNC(Py_ssize_t) PyNumber_AsSsize_t(PyObject *o, PyObject *exc);
|
|
|
|
/* Returns the object 'o' converted to an integer object on success, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: int(o). */
|
|
PyAPI_FUNC(PyObject *) PyNumber_Long(PyObject *o);
|
|
|
|
/* Returns the object 'o' converted to a float object on success, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: float(o). */
|
|
PyAPI_FUNC(PyObject *) PyNumber_Float(PyObject *o);
|
|
|
|
|
|
/* --- In-place variants of (some of) the above number protocol functions -- */
|
|
|
|
/* Returns the result of adding o2 to o1, possibly in-place, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 += o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceAdd(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of subtracting o2 from o1, possibly in-place or
|
|
NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 -= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceSubtract(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of multiplying o1 by o2, possibly in-place, or NULL on
|
|
failure.
|
|
|
|
This is the equivalent of the Python expression: o1 *= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceMultiply(PyObject *o1, PyObject *o2);
|
|
|
|
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
|
|
/* This is the equivalent of the Python expression: o1 @= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2);
|
|
#endif
|
|
|
|
/* Returns the result of dividing o1 by o2 giving an integral result, possibly
|
|
in-place, or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 /= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceFloorDivide(PyObject *o1,
|
|
PyObject *o2);
|
|
|
|
/* Returns the result of dividing o1 by o2 giving a float result, possibly
|
|
in-place, or null on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 /= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceTrueDivide(PyObject *o1,
|
|
PyObject *o2);
|
|
|
|
/* Returns the remainder of dividing o1 by o2, possibly in-place, or NULL on
|
|
failure.
|
|
|
|
This is the equivalent of the Python expression: o1 %= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceRemainder(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of raising o1 to the power of o2, possibly in-place,
|
|
or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 **= o2,
|
|
or o1 = pow(o1, o2, o3) if o3 is present. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlacePower(PyObject *o1, PyObject *o2,
|
|
PyObject *o3);
|
|
|
|
/* Returns the result of left shifting o1 by o2, possibly in-place, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 <<= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceLshift(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of right shifting o1 by o2, possibly in-place or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 >>= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceRshift(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of bitwise and of o1 and o2, possibly in-place, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 &= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceAnd(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the bitwise exclusive or of o1 by o2, possibly in-place, or NULL
|
|
on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 ^= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceXor(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the result of bitwise or of o1 and o2, possibly in-place,
|
|
or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 |= o2. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_InPlaceOr(PyObject *o1, PyObject *o2);
|
|
|
|
/* Returns the integer n converted to a string with a base, with a base
|
|
marker of 0b, 0o or 0x prefixed if applicable.
|
|
|
|
If n is not an int object, it is converted with PyNumber_Index first. */
|
|
PyAPI_FUNC(PyObject *) PyNumber_ToBase(PyObject *n, int base);
|
|
|
|
|
|
/* === Sequence protocol ================================================ */
|
|
|
|
/* Return 1 if the object provides sequence protocol, and zero
|
|
otherwise.
|
|
|
|
This function always succeeds. */
|
|
PyAPI_FUNC(int) PySequence_Check(PyObject *o);
|
|
|
|
/* Return the size of sequence object o, or -1 on failure. */
|
|
PyAPI_FUNC(Py_ssize_t) PySequence_Size(PyObject *o);
|
|
|
|
/* For DLL compatibility */
|
|
#undef PySequence_Length
|
|
PyAPI_FUNC(Py_ssize_t) PySequence_Length(PyObject *o);
|
|
#define PySequence_Length PySequence_Size
|
|
|
|
|
|
/* Return the concatenation of o1 and o2 on success, and NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 + o2. */
|
|
PyAPI_FUNC(PyObject *) PySequence_Concat(PyObject *o1, PyObject *o2);
|
|
|
|
/* Return the result of repeating sequence object 'o' 'count' times,
|
|
or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o * count. */
|
|
PyAPI_FUNC(PyObject *) PySequence_Repeat(PyObject *o, Py_ssize_t count);
|
|
|
|
/* Return the ith element of o, or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o[i]. */
|
|
PyAPI_FUNC(PyObject *) PySequence_GetItem(PyObject *o, Py_ssize_t i);
|
|
|
|
/* Return the slice of sequence object o between i1 and i2, or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o[i1:i2]. */
|
|
PyAPI_FUNC(PyObject *) PySequence_GetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
|
|
|
|
/* Assign object 'v' to the ith element of the sequence 'o'. Raise an exception
|
|
and return -1 on failure; return 0 on success.
|
|
|
|
This is the equivalent of the Python statement o[i] = v. */
|
|
PyAPI_FUNC(int) PySequence_SetItem(PyObject *o, Py_ssize_t i, PyObject *v);
|
|
|
|
/* Delete the 'i'-th element of the sequence 'v'. Returns -1 on failure.
|
|
|
|
This is the equivalent of the Python statement: del o[i]. */
|
|
PyAPI_FUNC(int) PySequence_DelItem(PyObject *o, Py_ssize_t i);
|
|
|
|
/* Assign the sequence object 'v' to the slice in sequence object 'o',
|
|
from 'i1' to 'i2'. Returns -1 on failure.
|
|
|
|
This is the equivalent of the Python statement: o[i1:i2] = v. */
|
|
PyAPI_FUNC(int) PySequence_SetSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2,
|
|
PyObject *v);
|
|
|
|
/* Delete the slice in sequence object 'o' from 'i1' to 'i2'.
|
|
Returns -1 on failure.
|
|
|
|
This is the equivalent of the Python statement: del o[i1:i2]. */
|
|
PyAPI_FUNC(int) PySequence_DelSlice(PyObject *o, Py_ssize_t i1, Py_ssize_t i2);
|
|
|
|
/* Returns the sequence 'o' as a tuple on success, and NULL on failure.
|
|
|
|
This is equivalent to the Python expression: tuple(o). */
|
|
PyAPI_FUNC(PyObject *) PySequence_Tuple(PyObject *o);
|
|
|
|
/* Returns the sequence 'o' as a list on success, and NULL on failure.
|
|
This is equivalent to the Python expression: list(o) */
|
|
PyAPI_FUNC(PyObject *) PySequence_List(PyObject *o);
|
|
|
|
/* Return the sequence 'o' as a list, unless it's already a tuple or list.
|
|
|
|
Use PySequence_Fast_GET_ITEM to access the members of this list, and
|
|
PySequence_Fast_GET_SIZE to get its length.
|
|
|
|
Returns NULL on failure. If the object does not support iteration, raises a
|
|
TypeError exception with 'm' as the message text. */
|
|
PyAPI_FUNC(PyObject *) PySequence_Fast(PyObject *o, const char* m);
|
|
|
|
/* Return the size of the sequence 'o', assuming that 'o' was returned by
|
|
PySequence_Fast and is not NULL. */
|
|
#define PySequence_Fast_GET_SIZE(o) \
|
|
(PyList_Check(o) ? PyList_GET_SIZE(o) : PyTuple_GET_SIZE(o))
|
|
|
|
/* Return the 'i'-th element of the sequence 'o', assuming that o was returned
|
|
by PySequence_Fast, and that i is within bounds. */
|
|
#define PySequence_Fast_GET_ITEM(o, i)\
|
|
(PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
|
|
|
|
/* Return a pointer to the underlying item array for
|
|
an object returned by PySequence_Fast */
|
|
#define PySequence_Fast_ITEMS(sf) \
|
|
(PyList_Check(sf) ? ((PyListObject *)(sf))->ob_item \
|
|
: ((PyTupleObject *)(sf))->ob_item)
|
|
|
|
/* Return the number of occurrences on value on 'o', that is, return
|
|
the number of keys for which o[key] == value.
|
|
|
|
On failure, return -1. This is equivalent to the Python expression:
|
|
o.count(value). */
|
|
PyAPI_FUNC(Py_ssize_t) PySequence_Count(PyObject *o, PyObject *value);
|
|
|
|
/* Return 1 if 'ob' is in the sequence 'seq'; 0 if 'ob' is not in the sequence
|
|
'seq'; -1 on error.
|
|
|
|
Use __contains__ if possible, else _PySequence_IterSearch(). */
|
|
PyAPI_FUNC(int) PySequence_Contains(PyObject *seq, PyObject *ob);
|
|
|
|
/* For DLL-level backwards compatibility */
|
|
#undef PySequence_In
|
|
/* Determine if the sequence 'o' contains 'value'. If an item in 'o' is equal
|
|
to 'value', return 1, otherwise return 0. On error, return -1.
|
|
|
|
This is equivalent to the Python expression: value in o. */
|
|
PyAPI_FUNC(int) PySequence_In(PyObject *o, PyObject *value);
|
|
|
|
/* For source-level backwards compatibility */
|
|
#define PySequence_In PySequence_Contains
|
|
|
|
|
|
/* Return the first index for which o[i] == value.
|
|
On error, return -1.
|
|
|
|
This is equivalent to the Python expression: o.index(value). */
|
|
PyAPI_FUNC(Py_ssize_t) PySequence_Index(PyObject *o, PyObject *value);
|
|
|
|
|
|
/* --- In-place versions of some of the above Sequence functions --- */
|
|
|
|
/* Append sequence 'o2' to sequence 'o1', in-place when possible. Return the
|
|
resulting object, which could be 'o1', or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 += o2. */
|
|
PyAPI_FUNC(PyObject *) PySequence_InPlaceConcat(PyObject *o1, PyObject *o2);
|
|
|
|
/* Repeat sequence 'o' by 'count', in-place when possible. Return the resulting
|
|
object, which could be 'o', or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o1 *= count. */
|
|
PyAPI_FUNC(PyObject *) PySequence_InPlaceRepeat(PyObject *o, Py_ssize_t count);
|
|
|
|
|
|
/* === Mapping protocol ================================================= */
|
|
|
|
/* Return 1 if the object provides mapping protocol, and 0 otherwise.
|
|
|
|
This function always succeeds. */
|
|
PyAPI_FUNC(int) PyMapping_Check(PyObject *o);
|
|
|
|
/* Returns the number of keys in mapping object 'o' on success, and -1 on
|
|
failure. This is equivalent to the Python expression: len(o). */
|
|
PyAPI_FUNC(Py_ssize_t) PyMapping_Size(PyObject *o);
|
|
|
|
/* For DLL compatibility */
|
|
#undef PyMapping_Length
|
|
PyAPI_FUNC(Py_ssize_t) PyMapping_Length(PyObject *o);
|
|
#define PyMapping_Length PyMapping_Size
|
|
|
|
|
|
/* Implemented as a macro:
|
|
|
|
int PyMapping_DelItemString(PyObject *o, const char *key);
|
|
|
|
Remove the mapping for the string 'key' from the mapping 'o'. Returns -1 on
|
|
failure.
|
|
|
|
This is equivalent to the Python statement: del o[key]. */
|
|
#define PyMapping_DelItemString(O,K) PyObject_DelItemString((O),(K))
|
|
|
|
/* Implemented as a macro:
|
|
|
|
int PyMapping_DelItem(PyObject *o, PyObject *key);
|
|
|
|
Remove the mapping for the object 'key' from the mapping object 'o'.
|
|
Returns -1 on failure.
|
|
|
|
This is equivalent to the Python statement: del o[key]. */
|
|
#define PyMapping_DelItem(O,K) PyObject_DelItem((O),(K))
|
|
|
|
/* On success, return 1 if the mapping object 'o' has the key 'key',
|
|
and 0 otherwise.
|
|
|
|
This is equivalent to the Python expression: key in o.
|
|
|
|
This function always succeeds. */
|
|
PyAPI_FUNC(int) PyMapping_HasKeyString(PyObject *o, const char *key);
|
|
|
|
/* Return 1 if the mapping object has the key 'key', and 0 otherwise.
|
|
|
|
This is equivalent to the Python expression: key in o.
|
|
|
|
This function always succeeds. */
|
|
PyAPI_FUNC(int) PyMapping_HasKey(PyObject *o, PyObject *key);
|
|
|
|
/* On success, return a list or tuple of the keys in mapping object 'o'.
|
|
On failure, return NULL. */
|
|
PyAPI_FUNC(PyObject *) PyMapping_Keys(PyObject *o);
|
|
|
|
/* On success, return a list or tuple of the values in mapping object 'o'.
|
|
On failure, return NULL. */
|
|
PyAPI_FUNC(PyObject *) PyMapping_Values(PyObject *o);
|
|
|
|
/* On success, return a list or tuple of the items in mapping object 'o',
|
|
where each item is a tuple containing a key-value pair. On failure, return
|
|
NULL. */
|
|
PyAPI_FUNC(PyObject *) PyMapping_Items(PyObject *o);
|
|
|
|
/* Return element of 'o' corresponding to the string 'key' or NULL on failure.
|
|
|
|
This is the equivalent of the Python expression: o[key]. */
|
|
PyAPI_FUNC(PyObject *) PyMapping_GetItemString(PyObject *o,
|
|
const char *key);
|
|
|
|
/* Map the string 'key' to the value 'v' in the mapping 'o'.
|
|
Returns -1 on failure.
|
|
|
|
This is the equivalent of the Python statement: o[key]=v. */
|
|
PyAPI_FUNC(int) PyMapping_SetItemString(PyObject *o, const char *key,
|
|
PyObject *value);
|
|
|
|
/* isinstance(object, typeorclass) */
|
|
PyAPI_FUNC(int) PyObject_IsInstance(PyObject *object, PyObject *typeorclass);
|
|
|
|
/* issubclass(object, typeorclass) */
|
|
PyAPI_FUNC(int) PyObject_IsSubclass(PyObject *object, PyObject *typeorclass);
|
|
|
|
#ifndef Py_LIMITED_API
|
|
# define Py_CPYTHON_ABSTRACTOBJECT_H
|
|
# include "cpython/abstract.h"
|
|
# undef Py_CPYTHON_ABSTRACTOBJECT_H
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* Py_ABSTRACTOBJECT_H */
|