| from cpython.buffer cimport Py_buffer | |
| cdef class ByteSource: | |
| cdef object owner | |
| cdef bint has_view | |
| cdef Py_buffer view | |
| cdef unsigned char *ptr | |
| cdef size_t length | |
| cdef ByteSource bytesource(object, bint allow_none=*) | |
| cdef class Buffer: | |
| cdef size_t _buffer_size(self) | |
| cdef void* _buffer_ptr(self) | |
| cdef bint _buffer_writable(self) | |