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Showing content from https://docs.python.org/3.11/c-api/bytearray.html below:

Byte Array Objects — Python 3.11.13 documentation

type PyByteArrayObject¶

This subtype of PyObject represents a Python bytearray object.

PyTypeObject PyByteArray_Type¶

Part of the Stable ABI.

This instance of PyTypeObject represents the Python bytearray type; it is the same object as bytearray in the Python layer.

int PyByteArray_Check(PyObject *o)¶

Return true if the object o is a bytearray object or an instance of a subtype of the bytearray type. This function always succeeds.

int PyByteArray_CheckExact(PyObject *o)¶

Return true if the object o is a bytearray object, but not an instance of a subtype of the bytearray type. This function always succeeds.

PyObject *PyByteArray_FromObject(PyObject *o)¶

Return value: New reference. Part of the Stable ABI.

Return a new bytearray object from any object, o, that implements the buffer protocol.

PyObject *PyByteArray_FromStringAndSize(const char *string, Py_ssize_t len)¶

Return value: New reference. Part of the Stable ABI.

Create a new bytearray object from string and its length, len. On failure, NULL is returned.

PyObject *PyByteArray_Concat(PyObject *a, PyObject *b)¶

Return value: New reference. Part of the Stable ABI.

Concat bytearrays a and b and return a new bytearray with the result.

Py_ssize_t PyByteArray_Size(PyObject *bytearray)¶

Part of the Stable ABI.

Return the size of bytearray after checking for a NULL pointer.

char *PyByteArray_AsString(PyObject *bytearray)¶

Part of the Stable ABI.

Return the contents of bytearray as a char array after checking for a NULL pointer. The returned array always has an extra null byte appended.

int PyByteArray_Resize(PyObject *bytearray, Py_ssize_t len)¶

Part of the Stable ABI.

Resize the internal buffer of bytearray to len.

These macros trade safety for speed and they don’t check pointers.

char *PyByteArray_AS_STRING(PyObject *bytearray)¶

Similar to PyByteArray_AsString(), but without error checking.

Py_ssize_t PyByteArray_GET_SIZE(PyObject *bytearray)¶

Similar to PyByteArray_Size(), but without error checking.

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