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| import copy | |
| from typing import Dict, List | |
| from qwen_agent.actions import GenKeyword | |
| from qwen_agent.memory.similarity_search import SimilaritySearch | |
| from qwen_agent.utils.tokenization_qwen import count_tokens | |
| # TODO: Design the interface. | |
| class Memory: | |
| def __init__(self, llm=None, stream=False): | |
| self.search_agent = SimilaritySearch() | |
| self.keyword_agent = GenKeyword(llm=llm, stream=stream) | |
| def get(self, query: str, records: list, max_token=4000) -> List[Dict]: | |
| # token counter backup | |
| new_records = [] | |
| for record in records: | |
| if not record['raw']: | |
| continue | |
| if 'token' not in record['raw'][0]['page_content']: | |
| tmp = [] | |
| for page in record['raw']: | |
| new_page = copy.deepcopy(page) | |
| new_page['token'] = count_tokens(page['page_content']) | |
| tmp.append(new_page) | |
| record['raw'] = tmp | |
| new_records.append(record) | |
| records = new_records | |
| single_max_token = int(max_token / len(records)) | |
| _ref_list = [] | |
| for record in records: | |
| now_ref_list = self.search_agent.run(record, query, | |
| single_max_token, | |
| self.keyword_agent) | |
| if now_ref_list['text']: | |
| _ref_list.append(now_ref_list) | |
| if not _ref_list: | |
| _ref_list = self.get_top(records, | |
| single_max_token=single_max_token) | |
| return _ref_list | |
| def get_top(self, records: list, single_max_token=4000): | |
| _ref_list = [] | |
| for record in records: | |
| now_token = 0 | |
| raw = record['raw'] | |
| tmp = {'url': record['url'], 'text': []} | |
| for page in raw: | |
| if (now_token + page['token']) <= single_max_token: | |
| tmp['text'].append(page['page_content']) | |
| now_token += page['token'] | |
| else: | |
| use_rate = ( | |
| (single_max_token - now_token) / page['token']) * 0.2 | |
| tmp['text'].append( | |
| page['page_content'] | |
| [:int(len(page['page_content']) * use_rate)]) | |
| break | |
| _ref_list.append(tmp) | |
| return _ref_list | |