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.. highlightlang:: c
.. _bytearrayobjects:
Byte Array Objects
------------------
.. index:: object: bytearray
.. ctype:: PyByteArrayObject
This subtype of :ctype:`PyObject` represents a Python bytearray object.
.. cvar:: PyTypeObject PyByteArray_Type
This instance of :ctype:`PyTypeObject` represents the Python bytearray type;
it is the same object as ``bytearray`` in the Python layer.
.. cfunction:: 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.
.. cfunction:: 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.
.. cfunction:: PyObject* PyByteArray_FromObject(PyObject *o)
Return a new bytearray object from any object, *o*, that implements the
buffer protocol.
.. XXX expand about the buffer protocol, at least somewhere
.. cfunction:: PyObject* PyByteArray_FromStringAndSize(const char *string, Py_ssize_t len)
Create a new bytearray object from *string* and its length, *len*. On
failure, *NULL* is returned.
.. cfunction:: Py_ssize_t PyByteArray_Size(PyObject *bytearray)
Return the size of *bytearray* after checking for a *NULL* pointer.
.. cfunction:: Py_ssize_t PyByteArray_GET_SIZE(PyObject *bytearray)
Macro version of :cfunc:`PyByteArray_Size` that doesn't do pointer checking.
.. cfunction:: char* PyByteArray_AsString(PyObject *bytearray)
Return the contents of *bytearray* as a char array after checking for a
*NULL* pointer.
.. cfunction:: char* PyByteArray_AS_STRING(PyObject *bytearray)
Macro version of :cfunc:`PyByteArray_AsString` that doesn't check pointers.
.. cfunction:: PyObject* PyByteArray_Concat(PyObject *a, PyObject *b)
Concat bytearrays *a* and *b* and return a new bytearray with the result.
.. cfunction:: PyObject* PyByteArray_Resize(PyObject *bytearray, Py_ssize_t len)
Resize the internal buffer of *bytearray* to *len*.
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