mirror of https://github.com/sigoden/aichat
feat: support Qianwen (#211)
parent
ec1f99fbf5
commit
7627771e2d
@ -0,0 +1,160 @@
|
|||||||
|
use super::{QianwenClient, Client, ExtraConfig, PromptType, SendData, Model};
|
||||||
|
|
||||||
|
use crate::{
|
||||||
|
config::GlobalConfig,
|
||||||
|
render::ReplyHandler,
|
||||||
|
utils::PromptKind,
|
||||||
|
};
|
||||||
|
|
||||||
|
use anyhow::{anyhow, bail, Result};
|
||||||
|
use async_trait::async_trait;
|
||||||
|
use futures_util::StreamExt;
|
||||||
|
use reqwest::{Client as ReqwestClient, RequestBuilder};
|
||||||
|
use reqwest_eventsource::{Error as EventSourceError, Event, RequestBuilderExt};
|
||||||
|
use serde::Deserialize;
|
||||||
|
use serde_json::{json, Value};
|
||||||
|
|
||||||
|
const API_URL: &str =
|
||||||
|
"https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation";
|
||||||
|
|
||||||
|
const MODELS: [(&str, usize); 2] = [("qwen-turbo", 6144), ("qwen-plus", 6144)];
|
||||||
|
|
||||||
|
#[derive(Debug, Clone, Deserialize, Default)]
|
||||||
|
pub struct QianwenConfig {
|
||||||
|
pub name: Option<String>,
|
||||||
|
pub api_key: Option<String>,
|
||||||
|
pub extra: Option<ExtraConfig>,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[async_trait]
|
||||||
|
impl Client for QianwenClient {
|
||||||
|
fn config(&self) -> (&GlobalConfig, &Option<ExtraConfig>) {
|
||||||
|
(&self.global_config, &self.config.extra)
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn send_message_inner(&self, client: &ReqwestClient, data: SendData) -> Result<String> {
|
||||||
|
let builder = self.request_builder(client, data)?;
|
||||||
|
send_message(builder).await
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn send_message_streaming_inner(
|
||||||
|
&self,
|
||||||
|
client: &ReqwestClient,
|
||||||
|
handler: &mut ReplyHandler,
|
||||||
|
data: SendData,
|
||||||
|
) -> Result<()> {
|
||||||
|
let builder = self.request_builder(client, data)?;
|
||||||
|
send_message_streaming(builder, handler).await
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl QianwenClient {
|
||||||
|
config_get_fn!(api_key, get_api_key);
|
||||||
|
|
||||||
|
pub const PROMPTS: [PromptType<'static>; 1] =
|
||||||
|
[("api_key", "API Key:", true, PromptKind::String)];
|
||||||
|
|
||||||
|
pub fn list_models(local_config: &QianwenConfig, client_index: usize) -> Vec<Model> {
|
||||||
|
let client_name = Self::name(local_config);
|
||||||
|
MODELS
|
||||||
|
.into_iter()
|
||||||
|
.map(|(name, max_tokens)| Model::new(client_index, client_name, name).set_max_tokens(Some(max_tokens)))
|
||||||
|
.collect()
|
||||||
|
}
|
||||||
|
|
||||||
|
fn request_builder(&self, client: &ReqwestClient, data: SendData) -> Result<RequestBuilder> {
|
||||||
|
let api_key = self.get_api_key()?;
|
||||||
|
|
||||||
|
let stream = data.stream;
|
||||||
|
let body = build_body(data, self.model.llm_name.clone());
|
||||||
|
|
||||||
|
let mut builder = client.post(API_URL).bearer_auth(api_key).json(&body);
|
||||||
|
if stream {
|
||||||
|
builder = builder.header("X-DashScope-SSE", "enable");
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(builder)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn send_message(builder: RequestBuilder) -> Result<String> {
|
||||||
|
let data: Value = builder.send().await?.json().await?;
|
||||||
|
check_error(&data)?;
|
||||||
|
|
||||||
|
let output = data["output"]["text"].as_str()
|
||||||
|
.ok_or_else(|| anyhow!("Unexpected response {data}"))?;
|
||||||
|
|
||||||
|
Ok(output.to_string())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn send_message_streaming(
|
||||||
|
builder: RequestBuilder,
|
||||||
|
handler: &mut ReplyHandler,
|
||||||
|
) -> Result<()> {
|
||||||
|
let mut es = builder.eventsource()?;
|
||||||
|
let mut offset = 0;
|
||||||
|
|
||||||
|
while let Some(event) = es.next().await {
|
||||||
|
match event {
|
||||||
|
Ok(Event::Open) => {}
|
||||||
|
Ok(Event::Message(message)) => {
|
||||||
|
let data: Value = serde_json::from_str(&message.data)?;
|
||||||
|
if let Some(text) = data["output"]["text"].as_str() {
|
||||||
|
|
||||||
|
let text = &text[offset..];
|
||||||
|
handler.text(text)?;
|
||||||
|
offset += text.len();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Err(err) => {
|
||||||
|
match err {
|
||||||
|
EventSourceError::InvalidStatusCode(_, res) => {
|
||||||
|
let data: Value = res.json().await?;
|
||||||
|
check_error(&data)?;
|
||||||
|
bail!("Request failed");
|
||||||
|
}
|
||||||
|
EventSourceError::StreamEnded => {}
|
||||||
|
_ => {
|
||||||
|
bail!("{}", err);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
es.close();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn check_error(data: &Value) -> Result<()> {
|
||||||
|
if let Some(code) = data["code"].as_str() {
|
||||||
|
if let Some(message) = data["message"].as_str() {
|
||||||
|
bail!("{message}");
|
||||||
|
} else {
|
||||||
|
bail!("{code}");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn build_body(data: SendData, model: String) -> Value {
|
||||||
|
let SendData {
|
||||||
|
messages,
|
||||||
|
temperature,
|
||||||
|
stream: _,
|
||||||
|
} = data;
|
||||||
|
|
||||||
|
let mut parameters = json!({});
|
||||||
|
|
||||||
|
if let Some(v) = temperature {
|
||||||
|
parameters["temperature"] = v.into();
|
||||||
|
}
|
||||||
|
|
||||||
|
json!({
|
||||||
|
"model": model,
|
||||||
|
"input": json!({
|
||||||
|
"messages": messages,
|
||||||
|
}),
|
||||||
|
"parameters": parameters
|
||||||
|
})
|
||||||
|
}
|
Loading…
Reference in New Issue