chat : fix multiple tool_calls on hermes-2-pro (#14962)

This commit is contained in:
Jhen-Jie Hong
2025-08-02 18:04:48 +08:00
committed by GitHub
parent 4cb208c93c
commit f738989dcb
2 changed files with 46 additions and 5 deletions

View File

@@ -1646,7 +1646,7 @@ static void common_chat_parse_hermes_2_pro(common_chat_msg_parser & builder) {
"|<function name=\"([^\"]+)\">" // match 5 (function name again)
);
if (auto res = builder.try_find_regex(open_regex)) {
while (auto res = builder.try_find_regex(open_regex)) {
const auto & block_start = res->groups[1];
std::string block_end = block_start.empty() ? "" : "```";
@@ -1668,7 +1668,6 @@ static void common_chat_parse_hermes_2_pro(common_chat_msg_parser & builder) {
builder.consume_literal(block_end);
builder.consume_spaces();
}
builder.add_content(builder.consume_rest());
} else {
throw common_chat_msg_partial_exception("failed to parse tool call");
}
@@ -1693,11 +1692,10 @@ static void common_chat_parse_hermes_2_pro(common_chat_msg_parser & builder) {
builder.consume_spaces();
}
}
builder.add_content(builder.consume_rest());
}
} else {
builder.add_content(builder.consume_rest());
}
builder.add_content(builder.consume_rest());
}
static common_chat_params common_chat_params_init_without_tools(const common_chat_template & tmpl, const struct templates_params & inputs) {

View File

@@ -953,6 +953,33 @@ static void test_template_output_parsers() {
/* is_partial= */ false,
{COMMON_CHAT_FORMAT_HERMES_2_PRO}));
// Test multiple tool calls
common_chat_msg message_assist_multiple_calls;
message_assist_multiple_calls.role = "assistant";
message_assist_multiple_calls.content = "";
message_assist_multiple_calls.tool_calls.push_back({"special_function", "{\"arg1\": 1}", ""});
message_assist_multiple_calls.tool_calls.push_back({"python", "{\"code\":\"print('hello')\"}", ""});
assert_msg_equals(
message_assist_multiple_calls,
common_chat_parse(
"<tool_call>\n"
"{\"name\": \"special_function\", \"arguments\": {\"arg1\": 1}}\n"
"</tool_call>\n"
"<tool_call>\n"
"{\"name\": \"python\", \"arguments\": {\"code\":\"print('hello')\"}}\n"
"</tool_call>",
/* is_partial= */ false,
{COMMON_CHAT_FORMAT_HERMES_2_PRO}));
assert_msg_equals(
message_assist_multiple_calls,
common_chat_parse(
"<function=special_function>{\"arg1\": 1}</function>\n"
"<function=python>{\"code\":\"print('hello')\"}</function>",
/* is_partial= */ false,
{COMMON_CHAT_FORMAT_HERMES_2_PRO}));
assert_msg_equals(
simple_assist_msg(
"This is not a tool call:",
@@ -1039,6 +1066,22 @@ static void test_template_output_parsers() {
"<tool_call>\n"
"{\"name\": \"special_function\", \"arguments\": {\"arg1\": 1}}\n"
"</tool_call>");
// Test multiple tool calls with template
common_chat_msg message_assist_multiple_calls_template;
message_assist_multiple_calls_template.role = "assistant";
message_assist_multiple_calls_template.content = "";
message_assist_multiple_calls_template.tool_calls.push_back({"special_function", "{\"arg1\": 1}", ""});
message_assist_multiple_calls_template.tool_calls.push_back({"python", "{\"code\":\"print('test')\"}", ""});
test_templates(tmpls.get(), end_tokens, message_assist_multiple_calls_template, tools,
"<tool_call>\n"
"{\"name\": \"special_function\", \"arguments\": {\"arg1\": 1}}\n"
"</tool_call>\n"
"<tool_call>\n"
"{\"name\": \"python\", \"arguments\": {\"code\":\"print('test')\"}}\n"
"</tool_call>");
test_templates(tmpls.get(), end_tokens, message_assist_call_python_lines, tools,
"<tool_call>\n"
"{\"name\": \"python\", \"arguments\": {\"code\":\"# This is a program:\\nprint('hey')\"}}\n"