Use patched anthropic-rs library to add Vision support to text conversations

Related to: https://github.com/AbdelStark/anthropic-rs/pull/11

Cargo.lock

@@ -90,8 +90,7 @@ dependencies = [
 [[package]]
 name = "anthropic"
 version = "0.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "092086afb8afa8a2bf24820213e22a57662eace03bd6b3c2680f6baf022ef6ba"
+source = "git+https://github.com/etkecc/anthropic-rs.git?branch=fix-content-block-image#58d8492450304ca9c4d0fdbfd023668231862d2c"
 dependencies = [
  "backoff",
  "config",

Cargo.toml

@@ -15,7 +15,7 @@ name = "baibot"
 path = "src/lib.rs"
 
 [dependencies]
-anthropic = "=0.0.8"
+anthropic = { git = "https://github.com/etkecc/anthropic-rs.git", branch = "fix-content-block-image" }
 anyhow = "1.0.*"
 async-openai = { git = "https://github.com/etkecc/async-openai", branch = "async-openai-v0.28.1-patched" }
 base64 = "0.22.*"

src/agent/provider/anthropic/controller.rs

@@ -176,15 +176,8 @@ impl ControllerTrait for Controller {
                 ContentBlock::Text { text } => {
                     text_parts.push(text);
                 }
-                ContentBlock::Image {
-                    source,
-                    media_type,
-                    data: _,
-                } => {
-                    text_parts.push(format!(
-                        "The model responded with an image of type {}: {}",
-                        media_type, source
-                    ));
+                ContentBlock::Image { .. } => {
+                    text_parts.push("The model responded with an image".to_string());
                 }
             }
         }

src/agent/provider/anthropic/utils.rs

@@ -1,4 +1,4 @@
-use anthropic::types::{ContentBlock, Message, MessagesRequest, MessagesRequestBuilder, Role};
+use anthropic::types::{ContentBlock, ImageSource, Message, MessagesRequest, MessagesRequestBuilder, Role};
 
 use crate::conversation::llm::{Author as LLMAuthor, Message as LLMMessage, MessageContent as LLMMessageContent};
 
@@ -15,28 +15,21 @@ pub(super) fn create_anthropic_message_request(llm_messages: Vec<LLMMessage>) ->
         };
 
         let content = match &message.content {
-            LLMMessageContent::Text(text) => Some(vec![ContentBlock::Text { text: text.clone() }]),
-            LLMMessageContent::Image(_image_details) => {
-                // This cannot be implemented yet, because the Anthropic library does not support it.
-                // The code below requires the library to be forked and changed a bit.
-                // vec![ContentBlock::Image {
-                //     source: ImageSource {
-                //         r#type: "base64".to_string(),
-                //         media_type: mime_type.to_string(),
-                //         data: crate::utils::base64::base64_encode(image_details.data),
-                //     },
-                // }]
-                tracing::warn!("Image content is not supported by the Anthropic library yet. Skipping it.");
-                None
+            LLMMessageContent::Text(text) => vec![ContentBlock::Text { text: text.clone() }],
+            LLMMessageContent::Image(image_details) => {
+                vec![ContentBlock::Image {
+                    source: ImageSource::Base64 {
+                        media_type: image_details.mime.to_string(),
+                        data: crate::utils::base64::base64_encode(&image_details.data),
+                    },
+                }]
             }
         };
 
-        if let Some(content) = content {
         let message = Message { role, content };
 
         messages.push(message);
     }
-    }
 
     MessagesRequestBuilder::default()
         .messages(messages)