use std::{fmt::Debug, iter::FromIterator};

usecrate::obj::objbytes::{PyBytes,PyBytesRef};

usecrate::obj::objlist::{PyList,PyListRef};

usecrate::obj::{

objsequence::get_pos, objsequence::get_slice_range, objsequence::SequenceIndex,

objslice::PySliceRef, objstr::PyString, objtype::PyClassRef,

usecrate::common::hash::PyHash;

usecrate::obj::objbytes::{PyBytes,PyBytesRef};

usecrate::obj::objlist::{PyList,PyListRef};

usecrate::pyobject::IdProtocol;

usecrate::pyobject::{

usecrate::slots::{Bufferable,Hashable};

usecrate::{bytesinner::try_as_bytes, pyobject::IntoPyObject};

usecrate::{common::hash::PyHash, pyobject::PyComparisonValue};

use crossbeam_utils::atomic::AtomicCell;

use num_bigint::BigInt;

use num_traits::{One,Signed,ToPrimitive,Zero};

.map(|_|PyString::from(&self.options.format))

fngetitem_by_idx(&self,i:isize,vm:&VirtualMachine) ->PyResult{

fnget_pos(&self,i:isize) ->Option<usize>{

let len =self.options.len;

let i =

get_pos(i, len).ok_or_else(|| vm.new_index_error("index out of range".to_owned()))?;

let i =ifself.step <0{

let i =get_pos(i, len)?;

Some(ifself.step <0{

self.stop -(-self.step)asusize* i +self.stepasusize

self.start +self.stepasusize* i

fngetitem_by_idx(&self,i:isize,vm:&VirtualMachine) ->PyResult{

let i =self

.get_pos(i)

.ok_or_else(|| vm.new_index_error("index out of range".to_owned()))?;

unpack_value(self.buffer.as_bytes()[i],&self.options.format, vm)

let range =get_slice_range(&start,&stop, len);

let range = zelf.start + range.start..zelf.start + range.end;

let newstep = newstep.to_isize().unwrap_or(-1);

let obj = zelf.obj.clone();

let buffer =Box::new(zelf.clone());

let options = zelf.options.clone();

fngetitem(zelf:PyRef<Self>,needle:SequenceIndex,vm:&VirtualMachine) ->PyResult{

zelf.try_not_released(vm)?;

match needle{

SequenceIndex::Int(i) => zelf.getitem_by_idx(i, vm),

SequenceIndex::Slice(slice) =>Self::getitem_by_slice(zelf, slice, vm),

self.try_not_released(vm).map(|_|self.options.len)

fnget_contiguous_bytes(&self) ->Option<BorrowedValue<[u8]>>{

Some(BorrowedValue::map(self.buffer.as_bytes(), |x|{

&x[self.start..self.stop]

fntobytes(&self,vm:&VirtualMachine) ->PyResult<PyBytesRef>{

self.try_not_released(vm)

.map(|_|PyBytes::from(self.buffer.as_bytes().to_vec()).into_ref(vm))

self.try_not_released(vm)?;

ifletSome(bytes) =self.get_contiguous_bytes(){

Ok(PyBytes::from(bytes.to_vec()).into_ref(vm))

let bytes =&*self.buffer.as_bytes();

let bytes =(0..self.options.len)

.map(|i|self.get_pos(iasisize).unwrap())

.map(|i| bytes[i])

Ok(PyBytes::from(bytes).into_ref(vm))

fntolist(&self,vm:&VirtualMachine) ->PyResult<PyListRef>{

self.try_not_released(vm).map(|_|{

PyList::from_iter(self.buffer.as_bytes().iter().map(|x| x.into_pyobject(vm)))

.into_ref(vm)

let bytes =&*self.buffer.as_bytes();

(0..self.options.len)

.map(|i|self.get_pos(iasisize).unwrap())

.map(|i| bytes[i].into_pyobject(vm)),

.into_ref(vm)

format!("<memory at 0x{:x}>", zelf.get_id())

) ->PyResult<PyComparisonValue>{

zelf.try_not_released(vm)?;

if zelf.is(&other){

let options_cmp = |a:&BufferOptions,b:&BufferOptions| ->bool{

a.len == b.len && a.itemsize == b.itemsize && a.format == b.format

ifletSome(other) = other.payload_if_subclass::<PyMemoryView>(vm){

ifoptions_cmp(&zelf.options,&other.options){

let a = zelf.tolist(vm)?;

let b = other.tolist(vm)?;

if vm.bool_eq(a.into_object(), b.into_object())?{

ifletOk(buffer) =try_buffer_from_object(other, vm){

let options = buffer.get_options();

ifoptions_cmp(&zelf.options,&options) &&(**(zelf.tobytes(vm)?) ==*buffer.as_bytes())

fnget_buffer(zelf:PyRef<Self>,vm:&VirtualMachine) ->PyResult<Box<dynBufferProtocol>>{

fnget_buffer(zelf:PyRef<Self>,_vm:&VirtualMachine) ->PyResult<Box<dynBufferProtocol>>{

fnget_options(&self) ->BufferOptions{

fnas_bytes(&self) ->BorrowedValue<[u8]>{

fnas_bytes(&self) ->BorrowedValue<[u8]>{

usecrate::pyobject::PyResult;

usecrate::vm::VirtualMachine;

usecrate::{bytecode, obj::objmemory::try_buffer_from_object, pyobject::PyObjectRef};

usecrate::pyobject::TypeProtocol;

fndumps(co:PyCodeRef) ->PyBytes{

PyBytes::from(co.code.to_bytes())

fnloads(code_bytes:PyObjectRef,vm:&VirtualMachine) ->PyResult<PyCode>{

dbg!(&code_bytes.class().name);

let buffer =try_buffer_from_object(code_bytes, vm)?;

let options = buffer.get_options();

dbg!(&options);

if !options.contiguous{

returnErr(vm.new_value_error("buffer is not contiguous".to_owned()));

let bytes = buffer.as_bytes().to_vec();

let code = bytecode::CodeObject::from_bytes(bytes.as_slice())

let code = bytecode::CodeObject::from_bytes(&*buffer.as_bytes())

.map_err(|_| vm.new_value_error("Couldn't deserialize python bytecode".to_owned()))?;

Ok(PyCode{ code})