LightRAG/reproduce/Step_3.py

import re
import json
import asyncio
from lightrag import LightRAG, QueryParam
from tqdm import tqdm

def extract_queries(file_path):
    with open(file_path, 'r') as f:
        data = f.read()
    
    data = data.replace('**', '')

    queries = re.findall(r'- Question \d+: (.+)', data)

    return queries

async def process_query(query_text, rag_instance, query_param):
    try:
        result, context = await rag_instance.aquery(query_text, param=query_param)
        return {"query": query_text, "result": result, "context": context}, None
    except Exception as e:
        return None, {"query": query_text, "error": str(e)}

def always_get_an_event_loop() -> asyncio.AbstractEventLoop:
    try:
        loop = asyncio.get_event_loop()
    except RuntimeError:
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
    return loop

def run_queries_and_save_to_json(queries, rag_instance, query_param, output_file, error_file):
    loop = always_get_an_event_loop()

    with open(output_file, 'a', encoding='utf-8') as result_file, open(error_file, 'a', encoding='utf-8') as err_file:
        result_file.write("[\n")
        first_entry = True

        for query_text in tqdm(queries, desc="Processing queries", unit="query"):
            result, error = loop.run_until_complete(process_query(query_text, rag_instance, query_param))

            if result:
                if not first_entry:
                    result_file.write(",\n")
                json.dump(result, result_file, ensure_ascii=False, indent=4)
                first_entry = False
            elif error:
                json.dump(error, err_file, ensure_ascii=False, indent=4)
                err_file.write("\n")

        result_file.write("\n]")

if __name__ == "__main__":
    cls = "agriculture"
    mode = "hybird"
    WORKING_DIR = "../{cls}"

    rag = LightRAG(working_dir=WORKING_DIR)
    query_param = QueryParam(mode=mode)

    queries = extract_queries(f"../datasets/questions/{cls}_questions.txt")
    run_queries_and_save_to_json(queries, rag, query_param, "result.json", "errors.json")