初始提交
This commit is contained in:
oficcejo
+547
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import yfinance as yf
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import akshare as ak
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import pandas as pd
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import numpy as np
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import ta
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from datetime import datetime, timedelta
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import requests
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import json
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class StockDataFetcher:
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"""股票数据获取类"""
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def __init__(self):
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self.data = None
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self.info = None
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self.financial_data = None
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def get_stock_info(self, symbol):
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"""获取股票基本信息"""
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try:
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# 处理中国股票代码
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if self._is_chinese_stock(symbol):
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return self._get_chinese_stock_info(symbol)
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else:
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return self._get_us_stock_info(symbol)
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except Exception as e:
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return {"error": f"获取股票信息失败: {str(e)}"}
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def get_stock_data(self, symbol, period="1y", interval="1d"):
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"""获取股票历史数据"""
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try:
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if self._is_chinese_stock(symbol):
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return self._get_chinese_stock_data(symbol, period)
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else:
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return self._get_us_stock_data(symbol, period, interval)
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except Exception as e:
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return {"error": f"获取股票数据失败: {str(e)}"}
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def _is_chinese_stock(self, symbol):
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"""判断是否为中国股票"""
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# 简单判断：包含数字且长度为6位的认为是中国股票
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return symbol.isdigit() and len(symbol) == 6
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def _get_chinese_stock_info(self, symbol):
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"""获取中国股票基本信息"""
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try:
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# 初始化基本信息
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info = {
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"symbol": symbol,
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"name": "未知",
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"current_price": "N/A",
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"change_percent": "N/A",
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"pe_ratio": "N/A",
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"pb_ratio": "N/A",
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"market_cap": "N/A",
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"market": "中国A股",
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"exchange": "上海/深圳证券交易所"
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}
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# 方法1: 尝试获取个股详细信息
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try:
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stock_info = ak.stock_individual_info_em(symbol=symbol)
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if stock_info is not None and not stock_info.empty:
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for _, row in stock_info.iterrows():
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key = row['item']
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value = row['value']
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if key == '股票简称':
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info['name'] = value
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elif key == '总市值':
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try:
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if value and value != '-':
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info['market_cap'] = float(value)
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except:
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pass
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elif key == '市盈率-动态':
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try:
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if value and value != '-':
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pe_value = float(value)
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if 0 < pe_value <= 1000:
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info['pe_ratio'] = pe_value
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except:
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pass
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elif key == '市净率':
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try:
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if value and value != '-':
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pb_value = float(value)
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if 0 < pb_value <= 100:
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info['pb_ratio'] = pb_value
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except:
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pass
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except Exception as e:
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print(f"获取个股详细信息失败: {e}")
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# 方法2: 尝试获取实时价格和涨跌幅（如果网络允许）
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try:
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# 使用更简单的接口获取实时价格
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real_time_data = ak.stock_zh_a_spot_em()
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if real_time_data is not None and not real_time_data.empty:
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stock_real_time = real_time_data[real_time_data['代码'] == symbol]
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if not stock_real_time.empty:
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row = stock_real_time.iloc[0]
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info['current_price'] = row.get('最新价', 'N/A')
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info['change_percent'] = row.get('涨跌幅', 'N/A')
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if info['name'] == '未知':
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info['name'] = row.get('名称', '未知')
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# 如果实时数据中有市盈率和市净率，优先使用
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if '市盈率-动态' in row and info['pe_ratio'] == 'N/A':
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try:
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pe_val = row['市盈率-动态']
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if pe_val and pe_val != '-':
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pe_val = float(pe_val)
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if 0 < pe_val <= 1000:
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info['pe_ratio'] = pe_val
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except:
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pass
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if '市净率' in row and info['pb_ratio'] == 'N/A':
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try:
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pb_val = row['市净率']
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if pb_val and pb_val != '-':
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pb_val = float(pb_val)
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if 0 < pb_val <= 100:
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info['pb_ratio'] = pb_val
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except:
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pass
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except Exception as e:
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print(f"获取实时数据失败: {e}")
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# 如果实时数据获取失败，尝试使用历史数据获取价格
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try:
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hist_data = ak.stock_zh_a_hist(symbol=symbol, period="daily",
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start_date=(datetime.now() - timedelta(days=5)).strftime('%Y%m%d'),
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end_date=datetime.now().strftime('%Y%m%d'), adjust="qfq")
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if hist_data is not None and not hist_data.empty:
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latest = hist_data.iloc[-1]
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info['current_price'] = latest['收盘']
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# 计算涨跌幅
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if len(hist_data) > 1:
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prev_close = hist_data.iloc[-2]['收盘']
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change_pct = ((latest['收盘'] - prev_close) / prev_close) * 100
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info['change_percent'] = round(change_pct, 2)
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except Exception as e2:
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print(f"获取历史数据也失败: {e2}")
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# 方法3: 使用百度估值数据获取市盈率和市净率
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if info['pe_ratio'] == 'N/A':
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try:
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pe_data = ak.stock_zh_valuation_baidu(symbol=symbol, indicator="市盈率(TTM)")
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if pe_data is not None and not pe_data.empty:
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latest_pe = pe_data.iloc[-1]['value']
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if latest_pe and latest_pe != '-':
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pe_val = float(latest_pe)
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if 0 < pe_val <= 1000:
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info['pe_ratio'] = pe_val
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except Exception as e:
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print(f"获取市盈率失败: {e}")
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if info['pb_ratio'] == 'N/A':
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try:
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pb_data = ak.stock_zh_valuation_baidu(symbol=symbol, indicator="市净率")
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if pb_data is not None and not pb_data.empty:
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latest_pb = pb_data.iloc[-1]['value']
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if latest_pb and latest_pb != '-':
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pb_val = float(latest_pb)
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if 0 < pb_val <= 100:
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info['pb_ratio'] = pb_val
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except Exception as e:
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print(f"获取市净率失败: {e}")
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return info
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except Exception as e:
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print(f"获取中国股票信息完全失败: {e}")
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# 返回基本信息，避免完全失败
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return {
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"symbol": symbol,
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"name": f"股票{symbol}",
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"current_price": "N/A",
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"change_percent": "N/A",
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"pe_ratio": "N/A",
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"pb_ratio": "N/A",
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"market_cap": "N/A",
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"market": "中国A股",
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"exchange": "上海/深圳证券交易所"
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}
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def _get_us_stock_info(self, symbol):
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"""获取美股基本信息"""
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import time
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try:
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# 添加延迟避免频率限制
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time.sleep(1)
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ticker = yf.Ticker(symbol)
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# 先尝试获取历史数据（通常更稳定）
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try:
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hist = ticker.history(period="2d")
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if not hist.empty:
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current_price = hist['Close'].iloc[-1]
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if len(hist) > 1:
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prev_close = hist['Close'].iloc[-2]
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change_percent = ((current_price - prev_close) / prev_close) * 100
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else:
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change_percent = 'N/A'
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else:
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current_price = 'N/A'
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change_percent = 'N/A'
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except:
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current_price = 'N/A'
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change_percent = 'N/A'
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# 获取基本信息
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try:
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info = ticker.info
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# 获取市盈率，优先使用trailing PE，其次forward PE
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pe_ratio = info.get('trailingPE', info.get('forwardPE', 'N/A'))
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if pe_ratio == 'N/A' or pe_ratio is None or (isinstance(pe_ratio, float) and np.isnan(pe_ratio)):
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pe_ratio = 'N/A'
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# 获取市净率
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pb_ratio = info.get('priceToBook', 'N/A')
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if pb_ratio == 'N/A' or pb_ratio is None or (isinstance(pb_ratio, float) and np.isnan(pb_ratio)):
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pb_ratio = 'N/A'
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# 如果历史数据没有获取到价格，尝试从info获取
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if current_price == 'N/A':
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current_price = info.get('currentPrice', info.get('regularMarketPrice', 'N/A'))
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if change_percent == 'N/A':
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change_percent = info.get('regularMarketChangePercent', 'N/A')
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if change_percent != 'N/A' and change_percent is not None:
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change_percent = change_percent * 100 # 转换为百分比
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return {
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"symbol": symbol,
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"name": info.get('longName', info.get('shortName', 'N/A')),
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"current_price": current_price,
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"change_percent": change_percent,
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"market_cap": info.get('marketCap', 'N/A'),
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"pe_ratio": pe_ratio,
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"pb_ratio": pb_ratio,
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"dividend_yield": info.get('dividendYield', 'N/A'),
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"beta": info.get('beta', 'N/A'),
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"52_week_high": info.get('fiftyTwoWeekHigh', 'N/A'),
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"52_week_low": info.get('fiftyTwoWeekLow', 'N/A'),
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"sector": info.get('sector', 'N/A'),
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"industry": info.get('industry', 'N/A'),
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"market": "美股",
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"exchange": info.get('exchange', 'N/A')
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}
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except Exception as e:
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# 如果获取详细信息失败，返回基本价格信息
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return {
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"symbol": symbol,
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"name": f"美股{symbol}",
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"current_price": current_price,
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"change_percent": change_percent,
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"market_cap": 'N/A',
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"pe_ratio": 'N/A',
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"pb_ratio": 'N/A',
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"dividend_yield": 'N/A',
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"beta": 'N/A',
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"52_week_high": 'N/A',
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"52_week_low": 'N/A',
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"sector": 'N/A',
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"industry": 'N/A',
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"market": "美股",
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"exchange": 'N/A'
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}
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except Exception as e:
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return {"error": f"获取美股信息失败: {str(e)}"}
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def _get_chinese_stock_data(self, symbol, period="1y"):
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"""获取中国股票历史数据"""
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try:
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# 计算日期范围
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end_date = datetime.now().strftime('%Y%m%d')
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if period == "1y":
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start_date = (datetime.now() - timedelta(days=365)).strftime('%Y%m%d')
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elif period == "6mo":
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start_date = (datetime.now() - timedelta(days=180)).strftime('%Y%m%d')
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elif period == "3mo":
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start_date = (datetime.now() - timedelta(days=90)).strftime('%Y%m%d')
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else:
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start_date = (datetime.now() - timedelta(days=365)).strftime('%Y%m%d')
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# 获取历史数据
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df = ak.stock_zh_a_hist(symbol=symbol, period="daily",
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start_date=start_date, end_date=end_date, adjust="qfq")
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if df is not None and not df.empty:
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# 重命名列以匹配标准格式
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df = df.rename(columns={
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'日期': 'Date',
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'开盘': 'Open',
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'收盘': 'Close',
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'最高': 'High',
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'最低': 'Low',
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'成交量': 'Volume'
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})
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df['Date'] = pd.to_datetime(df['Date'])
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df.set_index('Date', inplace=True)
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return df
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else:
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return {"error": "无法获取历史数据"}
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except Exception as e:
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return {"error": f"获取中国股票数据失败: {str(e)}"}
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def _get_us_stock_data(self, symbol, period="1y", interval="1d"):
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"""获取美股历史数据"""
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try:
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ticker = yf.Ticker(symbol)
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df = ticker.history(period=period, interval=interval)
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if not df.empty:
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return df
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else:
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return {"error": "无法获取历史数据"}
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except Exception as e:
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return {"error": f"获取美股数据失败: {str(e)}"}
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def calculate_technical_indicators(self, df):
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"""计算技术指标"""
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try:
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if isinstance(df, dict) and "error" in df:
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return df
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# 移动平均线
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df['MA5'] = ta.trend.sma_indicator(df['Close'], window=5)
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df['MA10'] = ta.trend.sma_indicator(df['Close'], window=10)
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df['MA20'] = ta.trend.sma_indicator(df['Close'], window=20)
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df['MA60'] = ta.trend.sma_indicator(df['Close'], window=60)
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# RSI
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df['RSI'] = ta.momentum.rsi(df['Close'], window=14)
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# MACD
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macd = ta.trend.MACD(df['Close'])
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df['MACD'] = macd.macd()
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df['MACD_signal'] = macd.macd_signal()
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df['MACD_histogram'] = macd.macd_diff()
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# 布林带
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bollinger = ta.volatility.BollingerBands(df['Close'])
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df['BB_upper'] = bollinger.bollinger_hband()
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df['BB_middle'] = bollinger.bollinger_mavg()
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df['BB_lower'] = bollinger.bollinger_lband()
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# KDJ指标
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df['K'] = ta.momentum.stoch(df['High'], df['Low'], df['Close'])
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df['D'] = ta.momentum.stoch_signal(df['High'], df['Low'], df['Close'])
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# 成交量指标
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df['Volume_MA5'] = ta.trend.sma_indicator(df['Volume'], window=5)
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df['Volume_ratio'] = df['Volume'] / df['Volume_MA5']
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return df
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except Exception as e:
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return {"error": f"计算技术指标失败: {str(e)}"}
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def get_latest_indicators(self, df):
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"""获取最新的技术指标值"""
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try:
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if isinstance(df, dict) and "error" in df:
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return df
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latest = df.iloc[-1]
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return {
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"price": latest['Close'],
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"ma5": latest['MA5'],
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"ma10": latest['MA10'],
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"ma20": latest['MA20'],
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"ma60": latest['MA60'],
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"rsi": latest['RSI'],
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"macd": latest['MACD'],
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"macd_signal": latest['MACD_signal'],
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"bb_upper": latest['BB_upper'],
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"bb_lower": latest['BB_lower'],
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"k_value": latest['K'],
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"d_value": latest['D'],
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"volume_ratio": latest['Volume_ratio']
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}
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except Exception as e:
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return {"error": f"获取最新指标失败: {str(e)}"}
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def get_financial_data(self, symbol):
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"""获取详细财务数据"""
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try:
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if self._is_chinese_stock(symbol):
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return self._get_chinese_financial_data(symbol)
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else:
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return self._get_us_financial_data(symbol)
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except Exception as e:
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return {"error": f"获取财务数据失败: {str(e)}"}
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def _get_chinese_financial_data(self, symbol):
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"""获取中国股票财务数据"""
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financial_data = {
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"symbol": symbol,
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"balance_sheet": None, # 资产负债表
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"income_statement": None, # 利润表
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"cash_flow": None, # 现金流量表
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"financial_ratios": {}, # 财务比率
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"quarter_data": None, # 季度数据
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}
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try:
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# 1. 获取资产负债表
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try:
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balance_sheet = ak.stock_financial_abstract_ths(symbol=symbol, indicator="资产负债表")
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if balance_sheet is not None and not balance_sheet.empty:
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financial_data["balance_sheet"] = balance_sheet.head(8).to_dict('records')
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except Exception as e:
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print(f"获取资产负债表失败: {e}")
|
||||
|
||||
# 2. 获取利润表
|
||||
try:
|
||||
income_statement = ak.stock_financial_abstract_ths(symbol=symbol, indicator="利润表")
|
||||
if income_statement is not None and not income_statement.empty:
|
||||
financial_data["income_statement"] = income_statement.head(8).to_dict('records')
|
||||
except Exception as e:
|
||||
print(f"获取利润表失败: {e}")
|
||||
|
||||
# 3. 获取现金流量表
|
||||
try:
|
||||
cash_flow = ak.stock_financial_abstract_ths(symbol=symbol, indicator="现金流量表")
|
||||
if cash_flow is not None and not cash_flow.empty:
|
||||
financial_data["cash_flow"] = cash_flow.head(8).to_dict('records')
|
||||
except Exception as e:
|
||||
print(f"获取现金流量表失败: {e}")
|
||||
|
||||
# 4. 获取主要财务指标
|
||||
try:
|
||||
financial_indicators = ak.stock_financial_analysis_indicator(symbol=symbol)
|
||||
if financial_indicators is not None and not financial_indicators.empty:
|
||||
latest_data = financial_indicators.iloc[0]
|
||||
|
||||
financial_data["financial_ratios"] = {
|
||||
"报告期": latest_data.get('报告期', 'N/A'),
|
||||
"净资产收益率ROE": latest_data.get('净资产收益率', 'N/A'),
|
||||
"总资产收益率ROA": latest_data.get('总资产收益率', 'N/A'),
|
||||
"销售毛利率": latest_data.get('销售毛利率', 'N/A'),
|
||||
"销售净利率": latest_data.get('销售净利率', 'N/A'),
|
||||
"资产负债率": latest_data.get('资产负债率', 'N/A'),
|
||||
"流动比率": latest_data.get('流动比率', 'N/A'),
|
||||
"速动比率": latest_data.get('速动比率', 'N/A'),
|
||||
"存货周转率": latest_data.get('存货周转率', 'N/A'),
|
||||
"应收账款周转率": latest_data.get('应收账款周转率', 'N/A'),
|
||||
"总资产周转率": latest_data.get('总资产周转率', 'N/A'),
|
||||
"营业收入同比增长": latest_data.get('营业收入同比增长', 'N/A'),
|
||||
"净利润同比增长": latest_data.get('净利润同比增长', 'N/A'),
|
||||
}
|
||||
except Exception as e:
|
||||
print(f"获取财务指标失败: {e}")
|
||||
|
||||
# 5. 获取季度业绩（尝试不同API）
|
||||
try:
|
||||
# 尝试获取业绩预告
|
||||
quarter_data = ak.stock_profit_forecast_em(symbol=symbol)
|
||||
if quarter_data is not None and not quarter_data.empty:
|
||||
financial_data["quarter_data"] = quarter_data.head(4).to_dict('records')
|
||||
except:
|
||||
try:
|
||||
# 备用方案：获取季度财报
|
||||
quarter_data = ak.stock_financial_report_sina(stock=symbol, symbol="季报")
|
||||
if quarter_data is not None and not quarter_data.empty:
|
||||
financial_data["quarter_data"] = quarter_data.head(4).to_dict('records')
|
||||
except Exception as e:
|
||||
print(f"获取季度数据失败: {e}")
|
||||
|
||||
return financial_data
|
||||
|
||||
except Exception as e:
|
||||
print(f"获取中国股票财务数据失败: {e}")
|
||||
return financial_data
|
||||
|
||||
def _get_us_financial_data(self, symbol):
|
||||
"""获取美股财务数据"""
|
||||
financial_data = {
|
||||
"symbol": symbol,
|
||||
"balance_sheet": None,
|
||||
"income_statement": None,
|
||||
"cash_flow": None,
|
||||
"financial_ratios": {},
|
||||
"quarter_data": None,
|
||||
}
|
||||
|
||||
try:
|
||||
stock = yf.Ticker(symbol)
|
||||
info = stock.info
|
||||
|
||||
# 1. 资产负债表
|
||||
try:
|
||||
balance_sheet = stock.balance_sheet
|
||||
if balance_sheet is not None and not balance_sheet.empty:
|
||||
financial_data["balance_sheet"] = balance_sheet.iloc[:, :4].to_dict('index')
|
||||
except Exception as e:
|
||||
print(f"获取资产负债表失败: {e}")
|
||||
|
||||
# 2. 利润表
|
||||
try:
|
||||
income_stmt = stock.income_stmt
|
||||
if income_stmt is not None and not income_stmt.empty:
|
||||
financial_data["income_statement"] = income_stmt.iloc[:, :4].to_dict('index')
|
||||
except Exception as e:
|
||||
print(f"获取利润表失败: {e}")
|
||||
|
||||
# 3. 现金流量表
|
||||
try:
|
||||
cash_flow = stock.cashflow
|
||||
if cash_flow is not None and not cash_flow.empty:
|
||||
financial_data["cash_flow"] = cash_flow.iloc[:, :4].to_dict('index')
|
||||
except Exception as e:
|
||||
print(f"获取现金流量表失败: {e}")
|
||||
|
||||
# 4. 财务比率（从info中提取）
|
||||
financial_data["financial_ratios"] = {
|
||||
"ROE": info.get('returnOnEquity', 'N/A'),
|
||||
"ROA": info.get('returnOnAssets', 'N/A'),
|
||||
"毛利率": info.get('grossMargins', 'N/A'),
|
||||
"营业利润率": info.get('operatingMargins', 'N/A'),
|
||||
"净利率": info.get('profitMargins', 'N/A'),
|
||||
"资产负债率": info.get('debtToEquity', 'N/A'),
|
||||
"流动比率": info.get('currentRatio', 'N/A'),
|
||||
"速动比率": info.get('quickRatio', 'N/A'),
|
||||
"EPS": info.get('trailingEps', 'N/A'),
|
||||
"每股账面价值": info.get('bookValue', 'N/A'),
|
||||
"股息率": info.get('dividendYield', 'N/A'),
|
||||
"派息率": info.get('payoutRatio', 'N/A'),
|
||||
"收入增长": info.get('revenueGrowth', 'N/A'),
|
||||
"盈利增长": info.get('earningsGrowth', 'N/A'),
|
||||
}
|
||||
|
||||
return financial_data
|
||||
|
||||
except Exception as e:
|
||||
print(f"获取美股财务数据失败: {e}")
|
||||
return financial_data
|
||||
Reference in New Issue
Block a user