# # Copyright 2024 The InfiniFlow Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # import logging import os import time from abc import ABC from agent.tools.base import ToolMeta, ToolParamBase, ToolBase from common.connection_utils import timeout class AkShareParam(ToolParamBase): """ Define the AkShare component parameters. """ def __init__(self): self.meta: ToolMeta = { "name": "akshare_stock_news", "description": "AkShare retrieves the latest news articles for a given Chinese A-share stock from East Money (东方财富).", "parameters": { "query": { "type": "string", "description": "The stock symbol/code to fetch news for, e.g. '600519'.", "default": "{sys.query}", "required": True, } }, } super().__init__() self.top_n = 10 def check(self): self.check_positive_integer(self.top_n, "Top N") def get_input_form(self) -> dict[str, dict]: return {"query": {"name": "Stock symbol", "type": "line"}} class AkShare(ToolBase, ABC): component_name = "AkShare" @timeout(int(os.environ.get("COMPONENT_EXEC_TIMEOUT", 12))) def _invoke(self, **kwargs): if self.check_if_canceled("AkShare processing"): return symbol = kwargs.get("query") if not symbol: self.set_output("formalized_content", "") return "" last_e = None for _ in range(self._param.max_retries + 1): if self.check_if_canceled("AkShare processing"): return try: import akshare as ak df = ak.stock_news_em(symbol=symbol).head(self._param.top_n) if self.check_if_canceled("AkShare processing"): return items = ['{}\n 新闻内容: {} \n发布时间:{} \n文章来源: {}'.format(i["新闻链接"], i["新闻标题"], i["新闻内容"], i["发布时间"], i["文章来源"]) for _, i in df.iterrows()] res = "\n\n".join(items) self.set_output("formalized_content", res) return res except Exception as e: if self.check_if_canceled("AkShare processing"): return last_e = e logging.exception(f"AkShare error: {e}") time.sleep(self._param.delay_after_error) if last_e: self.set_output("_ERROR", str(last_e)) return f"AkShare error: {last_e}" assert False, self.output() def thoughts(self) -> str: return "Looking up the latest stock news for: {}".format(self.get_input().get("query", "-_-!"))