# -*- coding:utf-8 -*- # !/usr/bin/env python """ Date: 2026/4/12 17:00 Desc: 百度股市通-经济数据 https://finance.baidu.com/calendar """ import math import re import pandas as pd from curl_cffi import requests def _get_baidu_cookie(headers: dict) -> str: """ 安全获取百度股市通所需的 Cookie :param headers: 基础请求头 :return: 格式化的 Cookie字符串 :raises ValueError: 当无法获取必要Cookie时 :raises ConnectionError: 网络请求失败时 """ try: # 使用Session保持Cookie上下文 with requests.Session() as session: session.headers.update(headers) # 第一步：获取基础Cookie (BAIDUID系列) resp1 = session.get( "https://finance.baidu.com/calendar", impersonate="chrome110", timeout=10, ) resp1.raise_for_status() # 验证必要Cookie baiduid = resp1.cookies.get("BAIDUID") baiduid_bfess = resp1.cookies.get("BAIDUID_BFESS") if not all([baiduid, baiduid_bfess]): raise ValueError("Missing BAIDUID cookies in first response") # 第二步：提取并请求hm.js hm_pattern = r"https://hm\.baidu\.com/hm\.js\?\w+" hm_match = re.search(hm_pattern, resp1.text) if not hm_match: # 尝试备用正则模式 hm_match = re.search(r"//hm\.baidu\.com/hm\.js\?\w+", resp1.text) if not hm_match: raise ValueError("Failed to extract hm.js URL from response") hm_url = ( "https:" + hm_match.group() if hm_match.group().startswith("//") else hm_match.group() ) # 第二步请求 (自动携带第一步的Cookie) resp2 = session.get(hm_url, impersonate="chrome110", timeout=10) resp2.raise_for_status() # 验证必要Cookie hmac_count = resp2.cookies.get("HMACCOUNT") hmac_count_bfess = resp2.cookies.get("HMACCOUNT_BFESS") if not all([hmac_count, hmac_count_bfess]): raise ValueError("Missing HMACCOUNT cookies in second response") # 安全拼接Cookie return ( f"BAIDUID={baiduid}; " f"BAIDUID_BFESS={baiduid_bfess}; " f"HMACCOUNT={hmac_count}; " f"HMACCOUNT_BFESS={hmac_count_bfess}" ) except requests.exceptions.RequestException as e: raise ConnectionError(f"Network request failed: {str(e)}") from e except re.error as e: raise ValueError(f"Regex pattern error: {str(e)}") from e def _baidu_finance_calendar( date: str, cate: str, process_func, cookie: str = None ) -> pd.DataFrame: """ 百度股市通日历数据基础函数（支持分页） :param date: 查询日期 (格式: YYYYMMDD) :param cate: 数据类别 ("economic_data" 或 "notify_suspend") :param process_func: 数据处理函数 :param cookie: cookie :return: 处理后的DataFrame """ # 日期格式转换 formatted_date = "-".join([date[:4], date[4:6], date[6:]]) # 构建请求参数 base_params = { "start_date": formatted_date, "end_date": formatted_date, "pn": "0", "rn": "100", # 每页100条 "cate": cate, "finClientType": "pc", } # 构建请求头 headers = { "accept": "application/vnd.finance-web.v1+json", "accept-encoding": "gzip, deflate, br, zstd", "accept-language": "en,zh-CN;q=0.9,zh;q=0.8", "cache-control": "no-cache", "origin": "https://finance.baidu.com", "pragma": "no-cache", "priority": "u=1, i", "referer": "https://finance.baidu.com/", "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) " "Chrome/142.0.0.0 Safari/537.36", } # 在_baidu_finance_calendar函数中替换原代码块 if cookie is None: try: cookie = _get_baidu_cookie(headers.copy()) # 保护原始headers except Exception as e: # 可降级处理或保留原始行为 raise RuntimeError(f"Failed to obtain Baidu cookies: {str(e)}") from e headers["cookie"] = cookie url = "https://finance.pae.baidu.com/sapi/v1/financecalendar" big_df = pd.DataFrame() # 获取指定日期的总记录数 target_date = formatted_date total_records = 0 # 第一次请求 params = base_params.copy() response = requests.get( url=url, params=params, headers=headers, impersonate="chrome110" ) response.raise_for_status() data_json = response.json() # 从JSON中提取指定日期的总记录数 if "Result" in data_json and "calendarInfo" in data_json["Result"]: calendar_info = data_json["Result"]["calendarInfo"] # 查找目标日期的记录 for item in calendar_info: if item.get("date") == target_date: total_records = item.get("total", 0) break # 计算总页数 (每页100条) total_pages = math.ceil(total_records / 100) if total_records > 0 else 1 # 处理所有页码 for page in range(total_pages): if page > 0: # 第一页已在前面获取 params = base_params.copy() params["pn"] = str(page) response = requests.get(url=url, params=params, headers=headers) response.raise_for_status() data_json = response.json() # 提取并处理指定日期的数据 if "Result" in data_json and "calendarInfo" in data_json["Result"]: for item in data_json["Result"]["calendarInfo"]: if item.get("date") == target_date and item.get("list"): processed_df = process_func(item["list"]) big_df = pd.concat([big_df, processed_df], ignore_index=True) return big_df def _process_economic_data(data_list: list) -> pd.DataFrame: """处理经济数据""" if not data_list: return pd.DataFrame() temp_df = pd.DataFrame(data_list) rename_dict = { "date": "日期", "time": "时间", "title": "事件", "star": "重要性", "formerVal": "前值", "pubVal": "公布", "region": "地区", "indicateVal": "预期", "country": "国家", "timePeriod": "统计周期", } temp_df.rename(columns=rename_dict, inplace=True) required_cols = ["公布", "预期", "前值", "重要性"] for col in required_cols: if col not in temp_df.columns: temp_df[col] = None available_cols = [] for col in [ "日期", "时间", "国家", "地区", "事件", "统计周期", "公布", "预期", "前值", "重要性", ]: if col in temp_df.columns: available_cols.append(col) if available_cols: temp_df = temp_df[available_cols] for col in ["公布", "预期", "前值", "重要性"]: if col in temp_df.columns: temp_df[col] = pd.to_numeric(temp_df[col], errors="coerce") if "日期" in temp_df.columns: temp_df["日期"] = pd.to_datetime(temp_df["日期"], errors="coerce").dt.date return temp_df def _process_suspend_data(data_list: list) -> pd.DataFrame: """处理停复牌数据 - 根据实际JSON结构精确修正""" if not data_list: return pd.DataFrame() temp_df = pd.DataFrame(data_list) rename_dict = { "code": "股票代码", "name": "股票简称", "exchange": "交易所代码", "start": "停牌时间", "reason": "停牌事项说明", "marketValue": "市值", "date": "公告日期", "time": "公告时间", "type": "证券类型", "market": "市场类型", "isSkip": "是否跳过", "end": "复牌时间", } temp_df.rename(columns=rename_dict, inplace=True) if "复牌时间" not in temp_df.columns: temp_df["复牌时间"] = "-" temp_df = temp_df[ [ "股票代码", "股票简称", "交易所代码", "停牌时间", "复牌时间", "停牌事项说明", "市值", "公告日期", "公告时间", "证券类型", "市场类型", "是否跳过", ] ] return temp_df def news_economic_baidu(date: str = "20251126", cookie: str = None) -> pd.DataFrame: """ 百度股市通-经济数据 https://finance.baidu.com/calendar :param date: 查询日期 (格式: YYYYMMDD) :param cookie: cookie :return: 经济数据 pd.DataFrame """ return _baidu_finance_calendar( date=date, cate="economic_data", process_func=_process_economic_data, cookie=cookie, ) def news_trade_notify_suspend_baidu( date: str = "20251126", cookie: str = None ) -> pd.DataFrame: """ 百度股市通-交易提醒-停复牌 https://finance.baidu.com/calendar :param date: 查询日期 (格式: YYYYMMDD) :param cookie: cookie :return: 停复牌数据DataFrame """ return _baidu_finance_calendar( date=date, cate="notify_suspend", process_func=_process_suspend_data, cookie=cookie, ) def _process_dividend_data(data_list: list) -> pd.DataFrame: """处理分红派息数据""" if not data_list: return pd.DataFrame() temp_df = pd.DataFrame(data_list) # 字段映射 rename_dict = { "code": "股票代码", "market": "-", # 这个字段在最终结果中会被删除 "exchange": "交易所", "name": "股票简称", "diviDate": "除权日", "date": "报告期", "diviCash": "分红", "shareDivide": "送股", "transfer": "转增", "physical": "实物", } temp_df.rename(columns=rename_dict, inplace=True) # 确保必要列存在 if "分红" not in temp_df.columns: temp_df["分红"] = "-" if "实物" not in temp_df.columns: temp_df["实物"] = "-" if "送股" not in temp_df.columns: temp_df["送股"] = "-" if "转增" not in temp_df.columns: temp_df["转增"] = "-" # 选择需要的列 temp_df = temp_df[ [ "股票代码", "除权日", "分红", "送股", "转增", "实物", "交易所", "股票简称", "报告期", ] ] # 日期格式转换 if "除权日" in temp_df.columns: temp_df["除权日"] = pd.to_datetime(temp_df["除权日"], errors="coerce").dt.date if "报告期" in temp_df.columns: temp_df["报告期"] = pd.to_datetime(temp_df["报告期"], errors="coerce").dt.date return temp_df def news_trade_notify_dividend_baidu( date: str = "20251126", cookie: str = None ) -> pd.DataFrame: """ 百度股市通-交易提醒-分红派息 https://finance.baidu.com/calendar :param date: 查询日期 (格式: YYYYMMDD) :param cookie: cookie :return: 交易提醒-分红派息DataFrame """ return _baidu_finance_calendar( date=date, cate="notify_divide", process_func=_process_dividend_data, cookie=cookie, ) def _process_report_data(data_list: list) -> pd.DataFrame: """处理财报发行数据 - 根据实际JSON结构精确修正""" if not data_list: return pd.DataFrame() # 创建DataFrame temp_df = pd.DataFrame(data_list) # 精确字段映射 (根据提供的JSON结构) rename_dict = { "code": "股票代码", "name": "股票简称", "exchange": "交易所", "reportType": "财报类型", "time": "发布时间", "marketValue": "市值", "capitalization": "总市值", "date": "发布日期", } temp_df.rename(columns=rename_dict, inplace=True) # 确保必要列存在 if "财报类型" not in temp_df.columns: temp_df["财报类型"] = "-" if "发布时间" not in temp_df.columns: temp_df["发布时间"] = "-" if "市值" not in temp_df.columns and "总市值" in temp_df.columns: temp_df["市值"] = temp_df["总市值"] # 选择并排序列 available_cols = [] for col in [ "股票代码", "股票简称", "交易所", "财报类型", "发布时间", "市值", "发布日期", ]: if col in temp_df.columns: available_cols.append(col) if available_cols: temp_df = temp_df[available_cols] else: # 如果没有匹配的列，返回空DataFrame return pd.DataFrame() # 类型转换 if "市值" in temp_df.columns: temp_df["市值"] = pd.to_numeric(temp_df["市值"], errors="coerce") if "发布日期" in temp_df.columns: temp_df["发布日期"] = pd.to_datetime( temp_df["发布日期"], errors="coerce" ).dt.date return temp_df def news_report_time_baidu(date: str = "20251126", cookie: str = None) -> pd.DataFrame: """ 百度股市通-财报发行 https://finance.baidu.com/calendar :param date: 查询日期 (格式: YYYYMMDD) :param cookie: cookie :return: 财报发行DataFrame """ return _baidu_finance_calendar( date=date, cate="report_time", process_func=_process_report_data, cookie=cookie ) if __name__ == "__main__": news_economic_baidu_df = news_economic_baidu(date="20251126") print(news_economic_baidu_df) news_trade_notify_suspend_baidu_df = news_trade_notify_suspend_baidu( date="20251126" ) print(news_trade_notify_suspend_baidu_df) news_trade_notify_dividend_baidu_df = news_trade_notify_dividend_baidu( date="20251126" ) print(news_trade_notify_dividend_baidu_df) news_report_time_baidu_df = news_report_time_baidu(date="20251126") print(news_report_time_baidu_df)