rig/providers/mistral/
client.rs

1use serde::Deserialize;
2
3use super::{
4    CompletionModel,
5    embedding::{EmbeddingModel, MISTRAL_EMBED},
6};
7use crate::client::{CompletionClient, EmbeddingsClient, ProviderClient};
8use crate::impl_conversion_traits;
9
10const MISTRAL_API_BASE_URL: &str = "https://api.mistral.ai";
11
12#[derive(Clone)]
13pub struct Client {
14    base_url: String,
15    api_key: String,
16    http_client: reqwest::Client,
17}
18
19impl std::fmt::Debug for Client {
20    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
21        f.debug_struct("Client")
22            .field("base_url", &self.base_url)
23            .field("http_client", &self.http_client)
24            .field("api_key", &"<REDACTED>")
25            .finish()
26    }
27}
28
29impl Client {
30    pub fn new(api_key: &str) -> Self {
31        Self::from_url(api_key, MISTRAL_API_BASE_URL)
32    }
33
34    pub fn from_url(api_key: &str, base_url: &str) -> Self {
35        Self {
36            base_url: base_url.to_string(),
37            api_key: api_key.to_string(),
38            http_client: reqwest::Client::builder()
39                .build()
40                .expect("Mistral reqwest client should build"),
41        }
42    }
43
44    /// Use your own `reqwest::Client`.
45    /// The required headers will be automatically attached upon trying to make a request.
46    pub fn with_custom_client(mut self, client: reqwest::Client) -> Self {
47        self.http_client = client;
48
49        self
50    }
51
52    pub(crate) fn post(&self, path: &str) -> reqwest::RequestBuilder {
53        let url = format!("{}/{}", self.base_url, path).replace("//", "/");
54        self.http_client.post(url).bearer_auth(&self.api_key)
55    }
56}
57
58impl ProviderClient for Client {
59    /// Create a new Mistral client from the `MISTRAL_API_KEY` environment variable.
60    /// Panics if the environment variable is not set.
61    fn from_env() -> Self
62    where
63        Self: Sized,
64    {
65        let api_key = std::env::var("MISTRAL_API_KEY").expect("MISTRAL_API_KEY not set");
66        Self::new(&api_key)
67    }
68}
69
70impl CompletionClient for Client {
71    type CompletionModel = CompletionModel;
72
73    /// Create a completion model with the given name.
74    ///
75    /// # Example
76    /// ```
77    /// use rig::providers::mistral::{Client, self};
78    ///
79    /// // Initialize the Mistral client
80    /// let mistral = Client::new("your-mistral-api-key");
81    ///
82    /// let codestral = mistral.completion_model(mistral::CODESTRAL);
83    /// ```
84    fn completion_model(&self, model: &str) -> Self::CompletionModel {
85        CompletionModel::new(self.clone(), model)
86    }
87}
88
89impl EmbeddingsClient for Client {
90    type EmbeddingModel = EmbeddingModel;
91
92    /// Create an embedding model with the given name.
93    /// Note: default embedding dimension of 0 will be used if model is not known.
94    ///
95    /// # Example
96    /// ```
97    /// use rig::providers::mistral::{Client, self};
98    ///
99    /// // Initialize mistral client
100    /// let mistral = Client::new("your-mistral-api-key");
101    ///
102    /// let embedding_model = mistral.embedding_model(mistral::MISTRAL_EMBED);
103    /// ```
104    fn embedding_model(&self, model: &str) -> EmbeddingModel {
105        let ndims = match model {
106            MISTRAL_EMBED => 1024,
107            _ => 0,
108        };
109        EmbeddingModel::new(self.clone(), model, ndims)
110    }
111
112    fn embedding_model_with_ndims(&self, model: &str, ndims: usize) -> Self::EmbeddingModel {
113        EmbeddingModel::new(self.clone(), model, ndims)
114    }
115}
116
117impl_conversion_traits!(AsTranscription, AsAudioGeneration, AsImageGeneration for Client);
118
119#[derive(Clone, Debug, Deserialize)]
120pub struct Usage {
121    pub completion_tokens: usize,
122    pub prompt_tokens: usize,
123    pub total_tokens: usize,
124}
125
126impl std::fmt::Display for Usage {
127    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
128        write!(
129            f,
130            "Prompt tokens: {} Total tokens: {}",
131            self.prompt_tokens, self.total_tokens
132        )
133    }
134}
135
136#[derive(Debug, Deserialize)]
137pub struct ApiErrorResponse {
138    pub(crate) message: String,
139}
140
141#[derive(Debug, Deserialize)]
142#[serde(untagged)]
143pub(crate) enum ApiResponse<T> {
144    Ok(T),
145    Err(ApiErrorResponse),
146}
rig/providers/mistral/client.rs

rig/providers/mistral/
client.rs
