Files
aha/src/utils/mod.rs
T
2026-02-02 21:30:52 +08:00

805 lines
27 KiB
Rust

pub mod audio_utils;
pub mod img_utils;
pub mod tensor_utils;
pub mod video_utils;
use std::io::Read;
use std::{collections::HashMap, fs, path::PathBuf, process::Command, time::Duration};
use aha_openai_dive::v1::resources::{
chat::{
AudioUrlType, ChatCompletionChoice, ChatCompletionChunkChoice, ChatCompletionChunkResponse,
ChatCompletionParameters, ChatCompletionResponse, ChatMessage, ChatMessageAudioContentPart,
ChatMessageContent, ChatMessageContentPart, ChatMessageImageContentPart, DeltaChatMessage,
DeltaFunction, DeltaToolCall, Function, ImageUrlType, ToolCall,
},
shared::{FinishReason, Usage},
};
use anyhow::{Result, anyhow};
use byteorder::{LittleEndian, ReadBytesExt};
use candle_core::{
Context, DType, Device, Shape, Tensor,
pickle::{Object, PthTensors, Stack, TensorInfo, read_all_with_key},
};
use candle_nn::VarBuilder;
use candle_transformers::generation::{LogitsProcessor, Sampling};
use dirs::home_dir;
use half::{bf16, f16, slice::HalfFloatSliceExt};
use modelscope::ModelScope;
use tokio::time::sleep;
pub fn get_device(device: Option<&Device>) -> Device {
match device {
Some(d) => d.clone(),
None => {
#[cfg(feature = "cuda")]
{
Device::new_cuda(0).unwrap_or(Device::Cpu)
}
#[cfg(all(not(feature = "cuda"), feature = "metal"))]
{
Device::new_metal(0).unwrap_or(Device::Cpu)
}
#[cfg(all(not(feature = "cuda"), not(feature = "metal")))]
{
Device::Cpu
}
}
}
}
pub fn get_gpu_sm_arch() -> Result<f32> {
let output = Command::new("nvidia-smi")
.arg("--query-gpu=compute_cap")
.arg("--format=csv,noheader")
.output()
.map_err(|e| anyhow::anyhow!(format!("Failed to execute nvidia-smi: {}", e)))?;
if !output.status.success() {
return Err(anyhow::anyhow!(format!(
"nvidia-smi failed with status: {}\nError: {}",
output.status,
String::from_utf8_lossy(&output.stderr)
)));
}
let output_str = String::from_utf8_lossy(&output.stdout);
let output_str = output_str.trim();
let sm_float = match output_str.parse::<f32>() {
Ok(num) => num,
Err(_) => {
return Err(anyhow::anyhow!(format!(
"gpr sm arch: {} parse float32 error",
output_str
)));
}
};
Ok(sm_float)
}
pub fn get_dtype(dtype: Option<DType>, cfg_dtype: &str) -> DType {
match dtype {
Some(d) => d,
None => {
#[cfg(feature = "cuda")]
{
match cfg_dtype {
"float32" | "float" => DType::F32,
"float64" | "double" => DType::F64,
"float16" => DType::F16,
"bfloat16" => {
let arch = get_gpu_sm_arch();
match arch {
Err(_) => DType::F16,
Ok(a) => {
// nvidia显卡sm架构>=8.0的才支持BF16
if a >= 8.0 { DType::BF16 } else { DType::F16 }
}
}
}
"uint8" => DType::U8,
"int8" | "int16" | "int32" | "int64" => DType::I64,
_ => DType::F32,
}
}
#[cfg(not(feature = "cuda"))]
{
match cfg_dtype {
"float32" | "float" => DType::F32,
"float64" | "double" => DType::F64,
"float16" | "bfloat16" => DType::F16, // cpu上bfloat16有问题
"uint8" => DType::U8,
"int8" | "int16" | "int32" | "int64" => DType::I64,
_ => DType::F32,
}
}
}
}
}
pub fn string_to_static_str(s: String) -> &'static str {
Box::leak(s.into_boxed_str())
}
pub fn find_type_files(path: &str, extension_type: &str) -> Result<Vec<String>> {
let mut files = Vec::new();
for entry in std::fs::read_dir(path)? {
let entry = entry?;
let file_path = entry.path();
if file_path.is_file()
&& let Some(extension) = file_path.extension()
&& extension == extension_type
{
files.push(file_path.to_string_lossy().to_string());
}
}
Ok(files)
}
pub fn get_vb_model_path(
model_path: String,
dtype: DType,
device: Device,
key: Option<&'_ str>,
) -> Result<VarBuilder<'_>> {
let mut dict_to_hashmap = HashMap::new();
let dict = read_all_with_key(&model_path, key)?;
for (k, v) in dict {
dict_to_hashmap.insert(k, v);
}
let vb = VarBuilder::from_tensors(dict_to_hashmap, dtype, &device);
Ok(vb)
}
pub fn get_vb_extension(
path: String,
extension_type: String,
dtype: DType,
device: Device,
key: Option<&'_ str>,
) -> Result<VarBuilder<'_>> {
let model_list = find_type_files(&path, &extension_type)?;
let mut dict_to_hashmap = HashMap::new();
for m in model_list {
let dict = read_all_with_key(m, key)?;
for (k, v) in dict {
dict_to_hashmap.insert(k, v);
}
}
let vb = VarBuilder::from_tensors(dict_to_hashmap, dtype, &device);
Ok(vb)
}
pub fn crate_tensor_from_reader<R: std::io::Read>(
shape: Shape,
dtype: DType,
reader: &mut R,
) -> Result<Tensor> {
let elem_count = shape.elem_count();
match dtype {
DType::BF16 => {
let mut data_t = vec![bf16::ZERO; elem_count];
reader.read_u16_into::<LittleEndian>(data_t.reinterpret_cast_mut())?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::F16 => {
let mut data_t = vec![f16::ZERO; elem_count];
reader.read_u16_into::<LittleEndian>(data_t.reinterpret_cast_mut())?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::F32 => {
let mut data_t = vec![0f32; elem_count];
reader.read_f32_into::<LittleEndian>(&mut data_t)?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::F64 => {
let mut data_t = vec![0f64; elem_count];
reader.read_f64_into::<LittleEndian>(&mut data_t)?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::U8 => {
let mut data_t = vec![0u8; elem_count];
reader.read_exact(&mut data_t)?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::U32 => {
let mut data_t = vec![0u32; elem_count];
reader.read_u32_into::<LittleEndian>(&mut data_t)?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
DType::I64 => {
let mut data_t = vec![0i64; elem_count];
reader.read_i64_into::<LittleEndian>(&mut data_t)?;
Ok(Tensor::from_vec(data_t, shape, &Device::Cpu)?)
}
}
}
pub fn read_pth_tensor_info_cycle<P: AsRef<std::path::Path>>(
path: P,
key: Option<&str>,
) -> Result<Vec<(String, Tensor)>> {
let file = std::fs::File::open(path.as_ref())?;
let zip_reader = std::io::BufReader::new(file);
let mut zip = zip::ZipArchive::new(zip_reader)?;
let zip_file_names = zip
.file_names()
.map(|f| f.to_string())
.collect::<Vec<String>>();
let mut tensor_infos = vec![];
for file_name in zip_file_names.iter() {
if !file_name.ends_with("data.pkl") {
continue;
}
let dir_name = std::path::PathBuf::from(file_name.strip_suffix(".pkl").context("no .pkl")?);
let reader = zip.by_name(file_name)?;
let mut reader = std::io::BufReader::new(reader);
let mut stack = Stack::empty();
stack.read_loop(&mut reader)?;
let obj = stack.finalize()?;
let obj = match obj {
Object::Build { callable, args } => match *callable {
Object::Reduce { callable, args: _ } => match *callable {
Object::Class {
module_name,
class_name,
} if module_name == "__torch__" && class_name == "Module" => *args,
_ => continue,
},
_ => continue,
},
obj => obj,
};
// If key is provided, then we need to extract the state_dict from the object.
let obj = if let Some(key) = key {
let multi_key: Vec<&str> = key.split(".").collect();
if multi_key.len() > 1 {
let mut current_obj = obj;
for k in multi_key.iter() {
if let Object::Dict(key_values) = current_obj {
current_obj = key_values
.into_iter()
.find(|(key_obj, _)| *key_obj == Object::Unicode(k.to_string()))
.map(|(_, v)| v)
.ok_or_else(|| anyhow!(format!("key '{}' not found", k)))?;
} else {
return Err(anyhow!(format!(
"Expected dictionary at key '{}', but found other type",
k
)));
}
}
current_obj
} else {
if let Object::Dict(key_values) = obj {
key_values
.into_iter()
.find(|(k, _)| *k == Object::Unicode(key.to_owned()))
.map(|(_, v)| v)
.ok_or_else(|| anyhow!(format!("key {key} not found")))?
} else {
obj
}
}
} else {
obj
};
// If the object is a dict, then we can extract the tensor info from it.
// NOTE: We are assuming that the `obj` is state_dict by this stage.
if let Object::Dict(key_values) = obj {
for (name, value) in key_values.into_iter() {
match value.into_tensor_info(name, &dir_name) {
Ok(Some(tensor_info)) => tensor_infos.push(tensor_info),
Ok(None) => {}
Err(err) => eprintln!("skipping: {err:?}"),
}
}
}
}
let tensor_infos: HashMap<String, TensorInfo> = tensor_infos
.into_iter()
.map(|ti| (ti.name.to_string(), ti))
.collect();
let tensor_names = tensor_infos.keys();
let mut tensors = Vec::with_capacity(tensor_names.len());
for name in tensor_names {
let _ = match tensor_infos.get(name) {
None => {}
Some(tensor_info) => {
let zip_reader = std::io::BufReader::new(std::fs::File::open(&path)?);
let mut zip = zip::ZipArchive::new(zip_reader)?;
let mut reader = zip.by_name(&tensor_info.path)?;
let is_fortran_contiguous = tensor_info.layout.is_fortran_contiguous();
let rank = tensor_info.layout.shape().rank();
// Reading the data is a bit tricky as it can be strided, for now only support the basic
// case and when the tensor is fortran contiguous.
if !tensor_info.layout.is_contiguous() && !is_fortran_contiguous {
return Err(anyhow!(format!(
"cannot retrieve non-contiguous tensors {:?}",
tensor_info.layout
)));
}
let start_offset = tensor_info.layout.start_offset();
if start_offset > 0 {
std::io::copy(
&mut reader.by_ref().take(start_offset as u64),
&mut std::io::sink(),
)?;
}
let tensor = crate_tensor_from_reader(
tensor_info.layout.shape().clone(),
tensor_info.dtype,
&mut reader,
)?;
if rank > 1 && is_fortran_contiguous {
// Reverse the shape, e.g. Shape(2, 3, 4) -> Shape(4, 3, 2)
let shape_reversed: Vec<_> =
tensor_info.layout.dims().iter().rev().cloned().collect();
let tensor = tensor.reshape(shape_reversed)?;
// Permute (transpose) the dimensions, e.g. Shape(4, 3, 2) -> Shape(2, 3, 4)
let dim_indeces_reversed: Vec<_> = (0..rank).rev().collect();
let tensor = tensor.permute(dim_indeces_reversed)?;
// Ok(Some(tensor))
tensors.push((name.clone(), tensor));
} else {
tensors.push((name.clone(), tensor));
}
}
};
}
Ok(tensors)
}
pub fn round_by_factor(num: u32, factor: u32) -> u32 {
let round = (num as f32 / factor as f32).round() as u32;
round * factor
}
pub fn floor_by_factor(num: f32, factor: u32) -> u32 {
let floor = (num / factor as f32).floor() as u32;
floor * factor
}
pub fn ceil_by_factor(num: f32, factor: u32) -> u32 {
let ceil = (num / factor as f32).ceil() as u32;
ceil * factor
}
pub fn build_img_completion_response(
base64vec: &Vec<String>,
model_name: &str,
) -> ChatCompletionResponse {
let id = uuid::Uuid::new_v4().to_string();
let mut response = ChatCompletionResponse {
id: Some(id),
choices: vec![],
created: chrono::Utc::now().timestamp() as u32,
model: model_name.to_string(),
service_tier: None,
system_fingerprint: None,
object: "chat.completion".to_string(),
usage: None,
};
let mut conten_part_vec = vec![];
for img_bas64 in base64vec {
let img_base64_prefix = "data:image/png;base64,".to_string() + img_bas64;
let part = ChatMessageContentPart::Image(ChatMessageImageContentPart {
r#type: "image".to_string(),
image_url: ImageUrlType {
url: img_base64_prefix,
detail: None,
},
});
conten_part_vec.push(part);
}
let choice = ChatCompletionChoice {
index: 0,
message: ChatMessage::Assistant {
content: Some(ChatMessageContent::ContentPart(conten_part_vec)),
reasoning_content: None,
refusal: None,
name: None,
audio: None,
tool_calls: None,
},
finish_reason: Some(FinishReason::StopSequenceReached),
logprobs: None,
};
response.choices.push(choice);
response
}
pub fn build_audio_completion_response(
base64_audio: &String,
model_name: &str,
) -> ChatCompletionResponse {
let id = uuid::Uuid::new_v4().to_string();
let mut response = ChatCompletionResponse {
id: Some(id),
choices: vec![],
created: chrono::Utc::now().timestamp() as u32,
model: model_name.to_string(),
service_tier: None,
system_fingerprint: None,
object: "chat.completion".to_string(),
usage: None,
};
let base64_audio = format!("data:audio/wav;base64,{}", base64_audio);
let conten_part_vec = vec![ChatMessageContentPart::Audio(ChatMessageAudioContentPart {
r#type: "audio".to_string(),
audio_url: AudioUrlType {
url: base64_audio.to_string(),
},
})];
let choice = ChatCompletionChoice {
index: 0,
message: ChatMessage::Assistant {
content: Some(ChatMessageContent::ContentPart(conten_part_vec)),
reasoning_content: None,
refusal: None,
name: None,
audio: None,
tool_calls: None,
},
finish_reason: Some(FinishReason::StopSequenceReached),
logprobs: None,
};
response.choices.push(choice);
response
}
pub fn build_completion_response(
res: String,
model_name: &str,
num_tokens: Option<u32>,
) -> ChatCompletionResponse {
let id = uuid::Uuid::new_v4().to_string();
let usage = num_tokens.map(|num| Usage {
prompt_tokens: None,
completion_tokens: None,
total_tokens: num,
prompt_tokens_details: None,
completion_tokens_details: None,
});
let mut response = ChatCompletionResponse {
id: Some(id),
choices: vec![],
created: chrono::Utc::now().timestamp() as u32,
model: model_name.to_string(),
service_tier: None,
system_fingerprint: None,
object: "chat.completion".to_string(),
usage,
};
let choice = if res.contains("<tool_call>") {
let mes: Vec<&str> = res.split("<tool_call>").collect();
let content = mes[0].to_string();
let mut tool_vec = Vec::new();
for (i, m) in mes.iter().enumerate().skip(1) {
let tool_mes = m.replace("</tool_call>", "");
let function = match serde_json::from_str::<serde_json::Value>(&tool_mes) {
Ok(json_value) => {
let name = json_value
.get("name")
.and_then(|v| v.as_str())
.map(|s| s.to_string())
.unwrap_or_default();
let arguments = json_value
.get("arguments")
.map(|v| v.to_string())
.unwrap_or_default();
Function { name, arguments }
}
Err(_) => Function {
name: "".to_string(),
arguments: "".to_string(),
},
};
let tool_call = ToolCall {
id: (i - 1).to_string(),
r#type: "function".to_string(),
function,
};
tool_vec.push(tool_call);
}
ChatCompletionChoice {
index: 0,
message: ChatMessage::Assistant {
content: Some(ChatMessageContent::Text(content)),
reasoning_content: None,
refusal: None,
name: None,
audio: None,
tool_calls: Some(tool_vec),
},
finish_reason: Some(FinishReason::ToolCalls),
logprobs: None,
}
} else {
ChatCompletionChoice {
index: 0,
message: ChatMessage::Assistant {
content: Some(ChatMessageContent::Text(res)),
reasoning_content: None,
refusal: None,
name: None,
audio: None,
tool_calls: None,
},
finish_reason: Some(FinishReason::StopSequenceReached),
logprobs: None,
}
};
response.choices.push(choice);
response
}
pub fn build_completion_chunk_response(
res: String,
model_name: &str,
tool_call_id: Option<String>,
tool_call_content: Option<String>,
) -> ChatCompletionChunkResponse {
let id = uuid::Uuid::new_v4().to_string();
let mut response = ChatCompletionChunkResponse {
id: Some(id),
choices: vec![],
created: chrono::Utc::now().timestamp() as u32,
model: model_name.to_string(),
system_fingerprint: None,
object: "chat.completion.chunk".to_string(),
usage: None,
};
let choice = if let Some(tool_call_id) = tool_call_id {
let function = if let Some(content) = tool_call_content {
match serde_json::from_str::<serde_json::Value>(&content) {
Ok(json_value) => {
let name = json_value
.get("name")
.and_then(|v| v.as_str())
.map(|s| s.to_string());
let arguments = json_value.get("arguments").map(|v| v.to_string());
DeltaFunction { name, arguments }
}
Err(_) => DeltaFunction {
name: None,
arguments: Some(content),
},
}
} else {
DeltaFunction {
name: None,
arguments: None,
}
};
ChatCompletionChunkChoice {
index: Some(0),
delta: DeltaChatMessage::Assistant {
content: None,
reasoning_content: None,
refusal: None,
name: None,
tool_calls: Some(vec![DeltaToolCall {
index: Some(0),
id: Some(tool_call_id),
r#type: Some("function".to_string()),
function,
}]),
},
finish_reason: None,
logprobs: None,
}
} else {
ChatCompletionChunkChoice {
index: Some(0),
delta: DeltaChatMessage::Assistant {
content: Some(ChatMessageContent::Text(res)),
reasoning_content: None,
refusal: None,
name: None,
tool_calls: None,
},
finish_reason: None,
logprobs: None,
}
};
response.choices.push(choice);
response
}
pub fn get_logit_processor(
temperature: Option<f32>,
top_p: Option<f32>,
top_k: Option<usize>,
seed: u64,
) -> LogitsProcessor {
let temperature = temperature.and_then(|v| if v < 1e-7 { None } else { Some(v) });
match top_k {
None => LogitsProcessor::new(
seed,
temperature.map(|temp| temp as f64),
top_p.map(|tp| tp as f64),
),
Some(k) => {
let sampling = match temperature {
None => Sampling::ArgMax,
Some(temperature) => match top_p {
None => Sampling::TopK {
k,
temperature: temperature as f64,
},
Some(p) => Sampling::TopKThenTopP {
k,
p: p as f64,
temperature: temperature as f64,
},
},
};
LogitsProcessor::from_sampling(seed, sampling)
}
}
}
pub fn extract_mes(mes: &ChatCompletionParameters) -> Result<Vec<(String, String)>> {
let mut mes_vec = Vec::new();
for chat_mes in mes.messages.clone() {
if let ChatMessage::User { content, .. } = chat_mes.clone()
&& let ChatMessageContent::ContentPart(part_vec) = content
{
for part in part_vec {
if let ChatMessageContentPart::Text(text_part) = part {
let text = text_part.text;
mes_vec.push(("<|User|>".to_string(), text));
}
}
} else if let ChatMessage::Assistant { content, .. } = chat_mes.clone()
&& let Some(cont) = content
&& let ChatMessageContent::Text(c) = cont
{
mes_vec.push(("<|Assistant|>".to_string(), c));
}
}
Ok(mes_vec)
}
pub fn extract_metadata_value<T>(
metadata: &Option<std::collections::HashMap<String, String>>,
key: &str,
) -> Option<T>
where
T: std::str::FromStr + Clone + PartialEq,
{
if let Some(map) = metadata
&& let Some(value_str) = map.get(key)
&& let Ok(value) = value_str.parse::<T>()
{
return Some(value);
}
None
}
pub fn extract_user_text(mes: &ChatCompletionParameters) -> Result<String> {
let mut ret = "".to_string();
for chat_mes in mes.messages.clone() {
if let ChatMessage::User { content, .. } = chat_mes.clone()
&& let ChatMessageContent::ContentPart(part_vec) = content
{
for part in part_vec {
if let ChatMessageContentPart::Text(text_part) = part {
let text = text_part.text;
if text.chars().count() > 0 {
ret = ret + &text + "\n"
}
}
}
}
}
ret = ret.trim().to_string();
Ok(ret)
}
pub fn extract_user_text_vec(mes: &ChatCompletionParameters) -> Result<Vec<String>> {
let mut ret = vec![];
for chat_mes in mes.messages.clone() {
if let ChatMessage::User { content, .. } = chat_mes.clone()
&& let ChatMessageContent::ContentPart(part_vec) = content
{
for part in part_vec {
if let ChatMessageContentPart::Text(text_part) = part {
let text = text_part.text;
if text.chars().count() > 0 {
ret.push(text);
}
}
}
}
}
Ok(ret)
}
pub fn get_default_save_dir() -> Option<String> {
home_dir().map(|mut path| {
path.push(".aha");
if let Err(e) = fs::create_dir_all(&path) {
eprintln!("Failed to create directory {:?}: {}", path, e);
}
path.to_string_lossy().to_string()
})
}
pub async fn download_model(
model_id: &str,
save_dir: &str,
max_retries: u32,
) -> anyhow::Result<()> {
let mut attempts = 0u32;
loop {
attempts += 1;
println!(
"Attempting to download model (attempt {}/{})",
attempts, max_retries
);
match ModelScope::download(model_id, save_dir).await {
Ok(()) => {
println!("Model downloaded successfully");
return Ok(());
}
Err(e) => {
if attempts >= max_retries {
return Err(anyhow::anyhow!(
"Failed to download model after {} attempts. Last error: {}",
max_retries,
e
));
}
println!(
"Download failed (attempt {}): {}. Retrying in 2 seconds...",
attempts, e
);
sleep(Duration::from_secs(2)).await;
}
}
}
}
pub fn get_file_path(file: &str) -> Result<PathBuf> {
let path = url::Url::parse(file)?;
let path = path.to_file_path();
let path = match path {
Ok(path) => path,
Err(_) => {
let mut path = file.to_owned();
path = path.split_off(7);
PathBuf::from(path)
}
};
Ok(path)
}
pub fn capitalize_first_letter(input: &str) -> String {
if input.is_empty() {
return input.to_string();
}
let mut chars = input.chars();
let first_char = chars.next().unwrap().to_uppercase().collect::<String>();
let remaining = chars.as_str().to_lowercase();
format!("{}{}", first_char, remaining)
}