From d7a9244d678767ac1103c1e38282b158cd6b3fe5 Mon Sep 17 00:00:00 2001
From: sigoden <sigoden@gmail.com>
Date: Wed, 5 Mar 2025 08:38:35 +0800
Subject: fix: openai-compatible handles empty tool call arguments (#1217)

---
 src/client/openai.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/client/openai.rs b/src/client/openai.rs
index e5f4d23..ab12b1a 100644
--- a/src/client/openai.rs
+++ b/src/client/openai.rs
@@ -110,6 +110,9 @@ pub async fn openai_chat_completions_streaming(
     let handle = |message: SseMmessage| -> Result<bool> {
         if message.data == "[DONE]" {
             if !function_name.is_empty() {
+                if function_arguments.is_empty() {
+                    function_arguments = String::from("{}");
+                }
                 let arguments: Value = function_arguments.parse().with_context(|| {
                     format!("Tool call '{function_name}' have non-JSON arguments '{function_arguments}'")
                 })?;
@@ -153,6 +156,9 @@ pub async fn openai_chat_completions_streaming(
             let maybe_call_id = format!("{}/{}", id.unwrap_or_default(), index.unwrap_or_default());
             if maybe_call_id != call_id && maybe_call_id.len() >= call_id.len() {
                 if !function_name.is_empty() {
+                    if function_arguments.is_empty() {
+                        function_arguments = String::from("{}");
+                    }
                     let arguments: Value = function_arguments.parse().with_context(|| {
                         format!("Tool call '{function_name}' have non-JSON arguments '{function_arguments}'")
                     })?;
-- 
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