server: update deepseek reasoning format (pass reasoning_content as diffs) (#13933)

* server: update deepseek reasoning format (now in reasoning_content diffs), add legacy option for compat
* update unit/test_tool_call.py::test_thoughts
This commit is contained in:
Olivier Chafik
2025-06-02 10:15:44 -07:00
committed by GitHub
parent bfd322796c
commit c9bbc77931
8 changed files with 30 additions and 19 deletions

View File

@ -2869,6 +2869,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
"(default: deepseek)",
[](common_params & params, const std::string & value) {
/**/ if (value == "deepseek") { params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK; }
else if (value == "deepseek-legacy") { params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK_LEGACY; }
else if (value == "none") { params.reasoning_format = COMMON_REASONING_FORMAT_NONE; }
else { throw std::invalid_argument("invalid value"); }
}

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@ -82,10 +82,10 @@ json common_chat_msg::to_json_oaicompat() const
std::vector<common_chat_msg_diff> common_chat_msg_diff::compute_diffs(const common_chat_msg & previous_msg, const common_chat_msg & new_msg) {
std::vector<common_chat_msg_diff> diffs;
// if (previous_msg.reasoning_content != current.reasoning_content) {
// auto & diff = diffs.emplace_back();
// diff.reasoning_content_delta = string_diff(previous_msg.reasoning_content, current.reasoning_content);
// }
if (previous_msg.reasoning_content != new_msg.reasoning_content) {
auto & diff = diffs.emplace_back();
diff.reasoning_content_delta = string_diff(previous_msg.reasoning_content, new_msg.reasoning_content);
}
if (previous_msg.content != new_msg.content) {
auto & diff = diffs.emplace_back();
diff.content_delta = string_diff(previous_msg.content, new_msg.content);
@ -385,9 +385,9 @@ json common_chat_tools_to_json_oaicompat(const std::vector<common_chat_tool> & t
template <> json common_chat_msg_diff_to_json_oaicompat(const common_chat_msg_diff & diff) {
json delta = json::object();
// if (!diff.reasoning_content_delta.empty()) {
// delta["reasoning_content"] = msg.reasoning_content;
// }
if (!diff.reasoning_content_delta.empty()) {
delta["reasoning_content"] = diff.reasoning_content_delta;
}
if (!diff.content_delta.empty()) {
delta["content"] = diff.content_delta;
}
@ -598,6 +598,7 @@ const char * common_reasoning_format_name(common_reasoning_format format) {
switch (format) {
case COMMON_REASONING_FORMAT_NONE: return "none";
case COMMON_REASONING_FORMAT_DEEPSEEK: return "deepseek";
case COMMON_REASONING_FORMAT_DEEPSEEK_LEGACY: return "deepseek-legacy";
default:
throw std::runtime_error("Unknown reasoning format");
}

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@ -70,7 +70,7 @@ struct common_chat_msg {
};
struct common_chat_msg_diff {
// std::string reasoning_content_delta;
std::string reasoning_content_delta;
std::string content_delta;
size_t tool_call_index = std::string::npos;
common_chat_tool_call tool_call_delta;

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@ -215,7 +215,8 @@ struct common_params_vocoder {
enum common_reasoning_format {
COMMON_REASONING_FORMAT_NONE,
COMMON_REASONING_FORMAT_DEEPSEEK, // Extract thinking tag contents and return as `message.reasoning_content`
COMMON_REASONING_FORMAT_DEEPSEEK_LEGACY, // Extract thinking tag contents and return as `message.reasoning_content`, or leave inline in <think> tags in stream mode
COMMON_REASONING_FORMAT_DEEPSEEK, // Extract thinking tag contents and return as `message.reasoning_content`, including in streaming deltas.
};
struct common_params {