720dfee803
Release Notes: - N/A --------- Co-authored-by: Max <max@zed.dev> Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
616 lines
20 KiB
Rust
616 lines
20 KiB
Rust
use anyhow::{Context as _, Result, anyhow};
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use collections::BTreeMap;
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use credentials_provider::CredentialsProvider;
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use editor::{Editor, EditorElement, EditorStyle};
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use futures::{FutureExt, StreamExt, future::BoxFuture};
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use gpui::{
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AnyView, App, AsyncApp, Context, Entity, FontStyle, Subscription, Task, TextStyle, WhiteSpace,
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};
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use http_client::HttpClient;
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use language_model::{
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AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
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LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
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LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest, RateLimiter, Role,
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};
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use futures::stream::BoxStream;
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use schemars::JsonSchema;
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use serde::{Deserialize, Serialize};
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use settings::{Settings, SettingsStore};
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use std::sync::Arc;
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use strum::IntoEnumIterator;
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use theme::ThemeSettings;
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use ui::{Icon, IconName, List, Tooltip, prelude::*};
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use util::ResultExt;
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use crate::{AllLanguageModelSettings, ui::InstructionListItem};
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const PROVIDER_ID: &str = "mistral";
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const PROVIDER_NAME: &str = "Mistral";
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#[derive(Default, Clone, Debug, PartialEq)]
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pub struct MistralSettings {
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pub api_url: String,
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pub available_models: Vec<AvailableModel>,
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pub needs_setting_migration: bool,
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}
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
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pub struct AvailableModel {
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pub name: String,
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pub display_name: Option<String>,
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pub max_tokens: usize,
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pub max_output_tokens: Option<u32>,
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pub max_completion_tokens: Option<u32>,
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}
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pub struct MistralLanguageModelProvider {
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http_client: Arc<dyn HttpClient>,
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state: gpui::Entity<State>,
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}
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pub struct State {
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api_key: Option<String>,
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api_key_from_env: bool,
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_subscription: Subscription,
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}
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const MISTRAL_API_KEY_VAR: &str = "MISTRAL_API_KEY";
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impl State {
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fn is_authenticated(&self) -> bool {
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self.api_key.is_some()
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}
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fn reset_api_key(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
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let credentials_provider = <dyn CredentialsProvider>::global(cx);
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let api_url = AllLanguageModelSettings::get_global(cx)
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.mistral
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.api_url
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.clone();
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cx.spawn(async move |this, cx| {
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credentials_provider
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.delete_credentials(&api_url, &cx)
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.await
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.log_err();
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this.update(cx, |this, cx| {
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this.api_key = None;
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this.api_key_from_env = false;
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cx.notify();
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})
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})
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}
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fn set_api_key(&mut self, api_key: String, cx: &mut Context<Self>) -> Task<Result<()>> {
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let credentials_provider = <dyn CredentialsProvider>::global(cx);
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let api_url = AllLanguageModelSettings::get_global(cx)
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.mistral
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.api_url
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.clone();
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cx.spawn(async move |this, cx| {
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credentials_provider
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.write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
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.await?;
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this.update(cx, |this, cx| {
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this.api_key = Some(api_key);
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cx.notify();
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})
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})
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}
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fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
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if self.is_authenticated() {
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return Task::ready(Ok(()));
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}
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let credentials_provider = <dyn CredentialsProvider>::global(cx);
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let api_url = AllLanguageModelSettings::get_global(cx)
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.mistral
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.api_url
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.clone();
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cx.spawn(async move |this, cx| {
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let (api_key, from_env) = if let Ok(api_key) = std::env::var(MISTRAL_API_KEY_VAR) {
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(api_key, true)
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} else {
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let (_, api_key) = credentials_provider
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.read_credentials(&api_url, &cx)
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.await?
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.ok_or(AuthenticateError::CredentialsNotFound)?;
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(
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String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
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false,
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)
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};
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this.update(cx, |this, cx| {
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this.api_key = Some(api_key);
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this.api_key_from_env = from_env;
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cx.notify();
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})?;
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Ok(())
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})
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}
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}
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impl MistralLanguageModelProvider {
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pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
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let state = cx.new(|cx| State {
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api_key: None,
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api_key_from_env: false,
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_subscription: cx.observe_global::<SettingsStore>(|_this: &mut State, cx| {
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cx.notify();
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}),
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});
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Self { http_client, state }
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}
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fn create_language_model(&self, model: mistral::Model) -> Arc<dyn LanguageModel> {
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Arc::new(MistralLanguageModel {
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id: LanguageModelId::from(model.id().to_string()),
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model,
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state: self.state.clone(),
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http_client: self.http_client.clone(),
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request_limiter: RateLimiter::new(4),
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})
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}
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}
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impl LanguageModelProviderState for MistralLanguageModelProvider {
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type ObservableEntity = State;
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fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
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Some(self.state.clone())
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}
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}
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impl LanguageModelProvider for MistralLanguageModelProvider {
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fn id(&self) -> LanguageModelProviderId {
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LanguageModelProviderId(PROVIDER_ID.into())
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}
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fn name(&self) -> LanguageModelProviderName {
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LanguageModelProviderName(PROVIDER_NAME.into())
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}
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fn icon(&self) -> IconName {
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IconName::AiMistral
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}
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fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
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Some(self.create_language_model(mistral::Model::default()))
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}
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fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
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Some(self.create_language_model(mistral::Model::default_fast()))
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}
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fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
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let mut models = BTreeMap::default();
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// Add base models from mistral::Model::iter()
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for model in mistral::Model::iter() {
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if !matches!(model, mistral::Model::Custom { .. }) {
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models.insert(model.id().to_string(), model);
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}
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}
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// Override with available models from settings
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for model in &AllLanguageModelSettings::get_global(cx)
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.mistral
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.available_models
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{
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models.insert(
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model.name.clone(),
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mistral::Model::Custom {
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name: model.name.clone(),
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display_name: model.display_name.clone(),
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max_tokens: model.max_tokens,
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max_output_tokens: model.max_output_tokens,
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max_completion_tokens: model.max_completion_tokens,
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},
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);
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}
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models
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.into_values()
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.map(|model| {
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Arc::new(MistralLanguageModel {
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id: LanguageModelId::from(model.id().to_string()),
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model,
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state: self.state.clone(),
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http_client: self.http_client.clone(),
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request_limiter: RateLimiter::new(4),
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}) as Arc<dyn LanguageModel>
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})
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.collect()
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}
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fn is_authenticated(&self, cx: &App) -> bool {
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self.state.read(cx).is_authenticated()
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}
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fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
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self.state.update(cx, |state, cx| state.authenticate(cx))
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}
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fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
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cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
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.into()
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}
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fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
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self.state.update(cx, |state, cx| state.reset_api_key(cx))
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}
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}
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pub struct MistralLanguageModel {
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id: LanguageModelId,
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model: mistral::Model,
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state: gpui::Entity<State>,
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http_client: Arc<dyn HttpClient>,
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request_limiter: RateLimiter,
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}
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impl MistralLanguageModel {
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fn stream_completion(
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&self,
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request: mistral::Request,
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cx: &AsyncApp,
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) -> BoxFuture<
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'static,
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Result<futures::stream::BoxStream<'static, Result<mistral::StreamResponse>>>,
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> {
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let http_client = self.http_client.clone();
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let Ok((api_key, api_url)) = cx.read_entity(&self.state, |state, cx| {
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let settings = &AllLanguageModelSettings::get_global(cx).mistral;
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(state.api_key.clone(), settings.api_url.clone())
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}) else {
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return futures::future::ready(Err(anyhow!("App state dropped"))).boxed();
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};
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let future = self.request_limiter.stream(async move {
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let api_key = api_key.ok_or_else(|| anyhow!("Missing Mistral API Key"))?;
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let request =
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mistral::stream_completion(http_client.as_ref(), &api_url, &api_key, request);
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let response = request.await?;
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Ok(response)
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});
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async move { Ok(future.await?.boxed()) }.boxed()
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}
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}
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impl LanguageModel for MistralLanguageModel {
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fn id(&self) -> LanguageModelId {
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self.id.clone()
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}
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fn name(&self) -> LanguageModelName {
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LanguageModelName::from(self.model.display_name().to_string())
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}
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fn provider_id(&self) -> LanguageModelProviderId {
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LanguageModelProviderId(PROVIDER_ID.into())
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}
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fn provider_name(&self) -> LanguageModelProviderName {
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LanguageModelProviderName(PROVIDER_NAME.into())
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}
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fn supports_tools(&self) -> bool {
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false
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}
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fn telemetry_id(&self) -> String {
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format!("mistral/{}", self.model.id())
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}
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fn max_token_count(&self) -> usize {
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self.model.max_token_count()
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}
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fn max_output_tokens(&self) -> Option<u32> {
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self.model.max_output_tokens()
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}
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fn count_tokens(
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&self,
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request: LanguageModelRequest,
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cx: &App,
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) -> BoxFuture<'static, Result<usize>> {
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cx.background_spawn(async move {
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let messages = request
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.messages
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.into_iter()
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.map(|message| tiktoken_rs::ChatCompletionRequestMessage {
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role: match message.role {
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Role::User => "user".into(),
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Role::Assistant => "assistant".into(),
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Role::System => "system".into(),
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},
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content: Some(message.string_contents()),
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name: None,
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function_call: None,
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})
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.collect::<Vec<_>>();
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tiktoken_rs::num_tokens_from_messages("gpt-4", &messages)
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})
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.boxed()
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}
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fn stream_completion(
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&self,
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request: LanguageModelRequest,
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cx: &AsyncApp,
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) -> BoxFuture<
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'static,
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Result<
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BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
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>,
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> {
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let request = into_mistral(
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request,
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self.model.id().to_string(),
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self.max_output_tokens(),
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);
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let stream = self.stream_completion(request, cx);
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async move {
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let stream = stream.await?;
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Ok(stream
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.map(|result| {
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result
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.and_then(|response| {
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response
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.choices
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.first()
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.ok_or_else(|| anyhow!("Empty response"))
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.map(|choice| {
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choice
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.delta
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.content
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.clone()
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.unwrap_or_default()
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.map(LanguageModelCompletionEvent::Text)
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})
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})
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.map_err(LanguageModelCompletionError::Other)
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})
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.boxed())
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}
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.boxed()
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}
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}
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pub fn into_mistral(
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request: LanguageModelRequest,
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model: String,
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max_output_tokens: Option<u32>,
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) -> mistral::Request {
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let len = request.messages.len();
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let merged_messages =
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request
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.messages
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.into_iter()
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.fold(Vec::with_capacity(len), |mut acc, msg| {
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let role = msg.role;
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let content = msg.string_contents();
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acc.push(match role {
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Role::User => mistral::RequestMessage::User { content },
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Role::Assistant => mistral::RequestMessage::Assistant {
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content: Some(content),
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tool_calls: Vec::new(),
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},
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Role::System => mistral::RequestMessage::System { content },
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});
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acc
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});
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mistral::Request {
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model,
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messages: merged_messages,
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stream: true,
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max_tokens: max_output_tokens,
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temperature: request.temperature,
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response_format: None,
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tools: request
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.tools
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.into_iter()
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.map(|tool| mistral::ToolDefinition::Function {
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function: mistral::FunctionDefinition {
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name: tool.name,
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description: Some(tool.description),
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parameters: Some(tool.input_schema),
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},
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})
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.collect(),
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}
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}
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struct ConfigurationView {
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api_key_editor: Entity<Editor>,
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state: gpui::Entity<State>,
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load_credentials_task: Option<Task<()>>,
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}
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impl ConfigurationView {
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fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
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let api_key_editor = cx.new(|cx| {
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let mut editor = Editor::single_line(window, cx);
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editor.set_placeholder_text("0aBCDEFGhIjKLmNOpqrSTUVwxyzabCDE1f2", cx);
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editor
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});
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cx.observe(&state, |_, _, cx| {
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cx.notify();
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})
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.detach();
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let load_credentials_task = Some(cx.spawn_in(window, {
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let state = state.clone();
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async move |this, cx| {
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if let Some(task) = state
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.update(cx, |state, cx| state.authenticate(cx))
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.log_err()
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{
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// We don't log an error, because "not signed in" is also an error.
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let _ = task.await;
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}
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this.update(cx, |this, cx| {
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this.load_credentials_task = None;
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cx.notify();
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})
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.log_err();
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}
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}));
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Self {
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api_key_editor,
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state,
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load_credentials_task,
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}
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}
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fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
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let api_key = self.api_key_editor.read(cx).text(cx);
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if api_key.is_empty() {
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return;
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}
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let state = self.state.clone();
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cx.spawn_in(window, async move |_, cx| {
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state
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.update(cx, |state, cx| state.set_api_key(api_key, cx))?
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.await
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})
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.detach_and_log_err(cx);
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cx.notify();
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}
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fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
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self.api_key_editor
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.update(cx, |editor, cx| editor.set_text("", window, cx));
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let state = self.state.clone();
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cx.spawn_in(window, async move |_, cx| {
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state.update(cx, |state, cx| state.reset_api_key(cx))?.await
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})
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.detach_and_log_err(cx);
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cx.notify();
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}
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fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
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let settings = ThemeSettings::get_global(cx);
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let text_style = TextStyle {
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color: cx.theme().colors().text,
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font_family: settings.ui_font.family.clone(),
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font_features: settings.ui_font.features.clone(),
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font_fallbacks: settings.ui_font.fallbacks.clone(),
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font_size: rems(0.875).into(),
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font_weight: settings.ui_font.weight,
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font_style: FontStyle::Normal,
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line_height: relative(1.3),
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white_space: WhiteSpace::Normal,
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..Default::default()
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};
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EditorElement::new(
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&self.api_key_editor,
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EditorStyle {
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background: cx.theme().colors().editor_background,
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local_player: cx.theme().players().local(),
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text: text_style,
|
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..Default::default()
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},
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)
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}
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|
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fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
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!self.state.read(cx).is_authenticated()
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}
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}
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|
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impl Render for ConfigurationView {
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fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
|
|
let env_var_set = self.state.read(cx).api_key_from_env;
|
|
|
|
if self.load_credentials_task.is_some() {
|
|
div().child(Label::new("Loading credentials...")).into_any()
|
|
} else if self.should_render_editor(cx) {
|
|
v_flex()
|
|
.size_full()
|
|
.on_action(cx.listener(Self::save_api_key))
|
|
.child(Label::new("To use Zed's assistant with Mistral, you need to add an API key. Follow these steps:"))
|
|
.child(
|
|
List::new()
|
|
.child(InstructionListItem::new(
|
|
"Create one by visiting",
|
|
Some("Mistral's console"),
|
|
Some("https://console.mistral.ai/api-keys"),
|
|
))
|
|
.child(InstructionListItem::text_only(
|
|
"Ensure your Mistral account has credits",
|
|
))
|
|
.child(InstructionListItem::text_only(
|
|
"Paste your API key below and hit enter to start using the assistant",
|
|
)),
|
|
)
|
|
.child(
|
|
h_flex()
|
|
.w_full()
|
|
.my_2()
|
|
.px_2()
|
|
.py_1()
|
|
.bg(cx.theme().colors().editor_background)
|
|
.border_1()
|
|
.border_color(cx.theme().colors().border)
|
|
.rounded_sm()
|
|
.child(self.render_api_key_editor(cx)),
|
|
)
|
|
.child(
|
|
Label::new(
|
|
format!("You can also assign the {MISTRAL_API_KEY_VAR} environment variable and restart Zed."),
|
|
)
|
|
.size(LabelSize::Small).color(Color::Muted),
|
|
)
|
|
.into_any()
|
|
} else {
|
|
h_flex()
|
|
.mt_1()
|
|
.p_1()
|
|
.justify_between()
|
|
.rounded_md()
|
|
.border_1()
|
|
.border_color(cx.theme().colors().border)
|
|
.bg(cx.theme().colors().background)
|
|
.child(
|
|
h_flex()
|
|
.gap_1()
|
|
.child(Icon::new(IconName::Check).color(Color::Success))
|
|
.child(Label::new(if env_var_set {
|
|
format!("API key set in {MISTRAL_API_KEY_VAR} environment variable.")
|
|
} else {
|
|
"API key configured.".to_string()
|
|
})),
|
|
)
|
|
.child(
|
|
Button::new("reset-key", "Reset Key")
|
|
.label_size(LabelSize::Small)
|
|
.icon(Some(IconName::Trash))
|
|
.icon_size(IconSize::Small)
|
|
.icon_position(IconPosition::Start)
|
|
.disabled(env_var_set)
|
|
.when(env_var_set, |this| {
|
|
this.tooltip(Tooltip::text(format!("To reset your API key, unset the {MISTRAL_API_KEY_VAR} environment variable.")))
|
|
})
|
|
.on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
|
|
)
|
|
.into_any()
|
|
}
|
|
}
|
|
}
|