open-webui/backend/open_webui/utils/response.py

import json
from open_webui.utils.misc import (
    openai_chat_chunk_message_template,
    openai_chat_completion_message_template,
)


def convert_response_ollama_to_openai(ollama_response: dict) -> dict:
    model = ollama_response.get("model", "ollama")
    message_content = ollama_response.get("message", {}).get("content", "")

    response = openai_chat_completion_message_template(model, message_content)
    return response


async def convert_streaming_response_ollama_to_openai(ollama_streaming_response):
    async for data in ollama_streaming_response.body_iterator:
        data = json.loads(data)

        model = data.get("model", "ollama")
        message_content = data.get("message", {}).get("content", "")
        done = data.get("done", False)

        data = openai_chat_chunk_message_template(
            model, message_content if not done else None
        )

        line = f"data: {json.dumps(data)}\n\n"
        if done:
            line += "data: [DONE]\n\n"

        yield line