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refactor: split clients/macros.rs from clients/common.rs (#750)
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@sigoden
sigoden authored Jul 27, 2024
1 parent fdc35a1 commit d020893
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Showing 3 changed files with 295 additions and 295 deletions.
293 changes: 0 additions & 293 deletions src/client/common.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,299 +25,6 @@ lazy_static! {
static ref ESCAPE_SLASH_RE: Regex = Regex::new(r"(?<!\\)/").unwrap();
}

#[macro_export]
macro_rules! register_client {
(
$(($module:ident, $name:literal, $config:ident, $client:ident),)+
) => {
$(
mod $module;
)+
$(
use self::$module::$config;
)+

#[derive(Debug, Clone, serde::Deserialize)]
#[serde(tag = "type")]
pub enum ClientConfig {
$(
#[serde(rename = $name)]
$config($config),
)+
#[serde(other)]
Unknown,
}

$(
#[derive(Debug)]
pub struct $client {
global_config: $crate::config::GlobalConfig,
config: $config,
model: $crate::client::Model,
}

impl $client {
pub const NAME: &'static str = $name;

pub fn init(global_config: &$crate::config::GlobalConfig, model: &$crate::client::Model) -> Option<Box<dyn Client>> {
let config = global_config.read().clients.iter().find_map(|client_config| {
if let ClientConfig::$config(c) = client_config {
if Self::name(c) == model.client_name() {
return Some(c.clone())
}
}
None
})?;

Some(Box::new(Self {
global_config: global_config.clone(),
config,
model: model.clone(),
}))
}

pub fn list_models(local_config: &$config) -> Vec<Model> {
let client_name = Self::name(local_config);
if local_config.models.is_empty() {
if let Some(models) = $crate::client::ALL_MODELS.iter().find(|v| {
v.platform == $name ||
($name == OpenAICompatibleClient::NAME && local_config.name.as_deref() == Some(&v.platform)) ||
($name == RagDedicatedClient::NAME && local_config.name.as_deref() == Some(&v.platform))
}) {
return Model::from_config(client_name, &models.models);
}
vec![]
} else {
Model::from_config(client_name, &local_config.models)
}
}

pub fn name(local_config: &$config) -> &str {
local_config.name.as_deref().unwrap_or(Self::NAME)
}
}

)+

pub fn init_client(config: &$crate::config::GlobalConfig, model: Option<$crate::client::Model>) -> anyhow::Result<Box<dyn Client>> {
let model = model.unwrap_or_else(|| config.read().model.clone());
None
$(.or_else(|| $client::init(config, &model)))+
.ok_or_else(|| {
anyhow::anyhow!("Invalid model '{}'", model.id())
})
}

pub fn list_client_types() -> Vec<&'static str> {
let mut client_types: Vec<_> = vec![$($client::NAME,)+];
client_types.extend($crate::client::OPENAI_COMPATIBLE_PLATFORMS.iter().map(|(name, _)| *name));
client_types
}

pub fn create_client_config(client: &str) -> anyhow::Result<(String, serde_json::Value)> {
$(
if client == $client::NAME {
return create_config(&$client::PROMPTS, $client::NAME)
}
)+
if let Some(ret) = create_openai_compatible_client_config(client)? {
return Ok(ret);
}
anyhow::bail!("Unknown client '{}'", client)
}

static mut ALL_CLIENT_MODELS: Option<Vec<$crate::client::Model>> = None;

pub fn list_models(config: &$crate::config::Config) -> Vec<&'static $crate::client::Model> {
if unsafe { ALL_CLIENT_MODELS.is_none() } {
let models: Vec<_> = config
.clients
.iter()
.flat_map(|v| match v {
$(ClientConfig::$config(c) => $client::list_models(c),)+
ClientConfig::Unknown => vec![],
})
.collect();
unsafe { ALL_CLIENT_MODELS = Some(models) };
}
unsafe { ALL_CLIENT_MODELS.as_ref().unwrap().iter().collect() }
}

pub fn list_chat_models(config: &$crate::config::Config) -> Vec<&'static $crate::client::Model> {
list_models(config).into_iter().filter(|v| v.model_type() == "chat").collect()
}

pub fn list_embedding_models(config: &$crate::config::Config) -> Vec<&'static $crate::client::Model> {
list_models(config).into_iter().filter(|v| v.model_type() == "embedding").collect()
}

pub fn list_reranker_models(config: &$crate::config::Config) -> Vec<&'static $crate::client::Model> {
list_models(config).into_iter().filter(|v| v.model_type() == "reranker").collect()
}
};
}

#[macro_export]
macro_rules! client_common_fns {
() => {
fn global_config(&self) -> &$crate::config::GlobalConfig {
&self.global_config
}

fn extra_config(&self) -> Option<&$crate::client::ExtraConfig> {
self.config.extra.as_ref()
}

fn patches_config(&self) -> Option<&$crate::client::ModelPatches> {
self.config.patches.as_ref()
}

fn name(&self) -> &str {
Self::name(&self.config)
}

fn model(&self) -> &Model {
&self.model
}

fn model_mut(&mut self) -> &mut Model {
&mut self.model
}
};
}

#[macro_export]
macro_rules! impl_client_trait {
($client:ident, $chat_completions:path, $chat_completions_streaming:path) => {
#[async_trait::async_trait]
impl $crate::client::Client for $crate::client::$client {
client_common_fns!();

async fn chat_completions_inner(
&self,
client: &reqwest::Client,
data: $crate::client::ChatCompletionsData,
) -> anyhow::Result<$crate::client::ChatCompletionsOutput> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions(builder).await
}

async fn chat_completions_streaming_inner(
&self,
client: &reqwest::Client,
handler: &mut $crate::client::SseHandler,
data: $crate::client::ChatCompletionsData,
) -> Result<()> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions_streaming(builder, handler).await
}
}
};
($client:ident, $chat_completions:path, $chat_completions_streaming:path, $embeddings:path) => {
#[async_trait::async_trait]
impl $crate::client::Client for $crate::client::$client {
client_common_fns!();

async fn chat_completions_inner(
&self,
client: &reqwest::Client,
data: $crate::client::ChatCompletionsData,
) -> anyhow::Result<$crate::client::ChatCompletionsOutput> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions(builder).await
}

async fn chat_completions_streaming_inner(
&self,
client: &reqwest::Client,
handler: &mut $crate::client::SseHandler,
data: $crate::client::ChatCompletionsData,
) -> Result<()> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions_streaming(builder, handler).await
}

async fn embeddings_inner(
&self,
client: &reqwest::Client,
data: $crate::client::EmbeddingsData,
) -> Result<$crate::client::EmbeddingsOutput> {
let builder = self.embeddings_builder(client, data)?;
$embeddings(builder).await
}
}
};
($client:ident, $chat_completions:path, $chat_completions_streaming:path, $embeddings:path, $rerank:path) => {
#[async_trait::async_trait]
impl $crate::client::Client for $crate::client::$client {
client_common_fns!();

async fn chat_completions_inner(
&self,
client: &reqwest::Client,
data: $crate::client::ChatCompletionsData,
) -> anyhow::Result<$crate::client::ChatCompletionsOutput> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions(builder).await
}

async fn chat_completions_streaming_inner(
&self,
client: &reqwest::Client,
handler: &mut $crate::client::SseHandler,
data: $crate::client::ChatCompletionsData,
) -> Result<()> {
let builder = self.chat_completions_builder(client, data)?;
$chat_completions_streaming(builder, handler).await
}

async fn embeddings_inner(
&self,
client: &reqwest::Client,
data: $crate::client::EmbeddingsData,
) -> Result<$crate::client::EmbeddingsOutput> {
let builder = self.embeddings_builder(client, data)?;
$embeddings(builder).await
}

async fn rerank_inner(
&self,
client: &reqwest::Client,
data: $crate::client::RerankData,
) -> Result<$crate::client::RerankOutput> {
let builder = self.rerank_builder(client, data)?;
$rerank(builder).await
}
}
};
}

#[macro_export]
macro_rules! config_get_fn {
($field_name:ident, $fn_name:ident) => {
fn $fn_name(&self) -> anyhow::Result<String> {
let api_key = self.config.$field_name.clone();
api_key
.or_else(|| {
let env_prefix = Self::name(&self.config);
let env_name =
format!("{}_{}", env_prefix, stringify!($field_name)).to_ascii_uppercase();
std::env::var(&env_name).ok()
})
.ok_or_else(|| {
anyhow::anyhow!("Miss '{}' in client configuration", stringify!($field_name))
})
}
};
}

#[macro_export]
macro_rules! unsupported_model {
($name:expr) => {
anyhow::bail!("Unsupported model '{}'", $name)
};
}

#[async_trait]
pub trait Client: Sync + Send {
fn global_config(&self) -> &GlobalConfig;
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