oficcejo
283 lines
11 KiB
Python
283 lines
11 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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PDF报告生成器
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只生成PDF格式的完整分析报告
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"""
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import streamlit as st
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import base64
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from datetime import datetime
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from reportlab.lib.pagesizes import A4
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from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle, PageBreak
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from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
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from reportlab.lib.units import inch
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from reportlab.lib import colors
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from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
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from reportlab.pdfbase import pdfmetrics
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from reportlab.pdfbase.ttfonts import TTFont
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import io
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import tempfile
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import os
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def register_chinese_fonts():
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"""注册中文字体"""
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try:
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# 检查是否已经注册过
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if 'ChineseFont' in pdfmetrics.getRegisteredFontNames():
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return 'ChineseFont'
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# 尝试注册系统中文字体
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font_paths = [
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'C:/Windows/Fonts/simsun.ttc', # 宋体
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'C:/Windows/Fonts/simhei.ttf', # 黑体
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'C:/Windows/Fonts/msyh.ttc', # 微软雅黑
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]
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for font_path in font_paths:
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if os.path.exists(font_path):
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try:
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pdfmetrics.registerFont(TTFont('ChineseFont', font_path))
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return 'ChineseFont'
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except:
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continue
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# 如果没有找到中文字体，使用默认字体
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return 'Helvetica'
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except:
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return 'Helvetica'
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def create_pdf_report(stock_info, agents_results, discussion_result, final_decision):
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"""创建PDF格式的分析报告"""
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# 注册中文字体
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chinese_font = register_chinese_fonts()
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# 创建内存中的PDF文档
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buffer = io.BytesIO()
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doc = SimpleDocTemplate(buffer, pagesize=A4, rightMargin=72, leftMargin=72, topMargin=72, bottomMargin=18)
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# 获取样式
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styles = getSampleStyleSheet()
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# 创建自定义样式
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title_style = ParagraphStyle(
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'CustomTitle',
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parent=styles['Heading1'],
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fontName=chinese_font,
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fontSize=24,
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spaceAfter=30,
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alignment=TA_CENTER,
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textColor=colors.darkblue
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)
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heading_style = ParagraphStyle(
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'CustomHeading',
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parent=styles['Heading2'],
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fontName=chinese_font,
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fontSize=16,
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spaceAfter=12,
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spaceBefore=20,
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textColor=colors.darkblue
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)
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subheading_style = ParagraphStyle(
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'CustomSubHeading',
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parent=styles['Heading3'],
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fontName=chinese_font,
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fontSize=14,
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spaceAfter=8,
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spaceBefore=12,
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textColor=colors.darkgreen
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)
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normal_style = ParagraphStyle(
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'CustomNormal',
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parent=styles['Normal'],
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fontName=chinese_font,
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fontSize=11,
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spaceAfter=6,
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alignment=TA_JUSTIFY
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)
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# 开始构建PDF内容
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story = []
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# 标题
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current_time = datetime.now().strftime("%Y年%m月%d日 %H:%M:%S")
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story.append(Paragraph("AI股票分析报告", title_style))
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story.append(Paragraph(f"生成时间: {current_time}", normal_style))
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story.append(Spacer(1, 20))
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# 股票基本信息
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story.append(Paragraph("股票基本信息", heading_style))
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# 创建股票信息表格
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stock_data = [
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['项目', '值'],
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['股票代码', stock_info.get('symbol', 'N/A')],
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['股票名称', stock_info.get('name', 'N/A')],
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['当前价格', str(stock_info.get('current_price', 'N/A'))],
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['涨跌幅', f"{stock_info.get('change_percent', 'N/A')}%"],
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['市盈率(PE)', str(stock_info.get('pe_ratio', 'N/A'))],
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['市净率(PB)', str(stock_info.get('pb_ratio', 'N/A'))],
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['市值', str(stock_info.get('market_cap', 'N/A'))],
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['市场', stock_info.get('market', 'N/A')],
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['交易所', stock_info.get('exchange', 'N/A')]
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]
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stock_table = Table(stock_data, colWidths=[2*inch, 3*inch])
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stock_table.setStyle(TableStyle([
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('BACKGROUND', (0, 0), (-1, 0), colors.grey),
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('TEXTCOLOR', (0, 0), (-1, 0), colors.whitesmoke),
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('ALIGN', (0, 0), (-1, -1), 'LEFT'),
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('FONTNAME', (0, 0), (-1, 0), chinese_font),
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('FONTSIZE', (0, 0), (-1, 0), 12),
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('BOTTOMPADDING', (0, 0), (-1, 0), 12),
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('BACKGROUND', (0, 1), (-1, -1), colors.beige),
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('FONTNAME', (0, 1), (-1, -1), chinese_font),
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('FONTSIZE', (0, 1), (-1, -1), 10),
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('GRID', (0, 0), (-1, -1), 1, colors.black)
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]))
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story.append(stock_table)
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story.append(Spacer(1, 20))
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# 各分析师分析结果
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story.append(Paragraph("AI分析师团队分析", heading_style))
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agent_names = {
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'technical': '技术分析师',
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'fundamental': '基本面分析师',
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'fund_flow': '资金面分析师',
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'risk_management': '风险管理师',
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'market_sentiment': '市场情绪分析师'
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}
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for agent_key, agent_name in agent_names.items():
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if agent_key in agents_results:
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story.append(Paragraph(f"{agent_name}分析", subheading_style))
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agent_result = agents_results[agent_key]
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if isinstance(agent_result, dict):
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analysis_text = agent_result.get('analysis', '暂无分析')
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else:
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analysis_text = str(agent_result)
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# 处理长文本，确保在PDF中正确显示
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analysis_text = analysis_text.replace('\n', '<br/>')
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story.append(Paragraph(analysis_text, normal_style))
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story.append(Spacer(1, 12))
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# 团队讨论
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story.append(Paragraph("团队综合讨论", heading_style))
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discussion_text = str(discussion_result).replace('\n', '<br/>')
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story.append(Paragraph(discussion_text, normal_style))
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story.append(Spacer(1, 20))
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# 最终投资决策
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story.append(Paragraph("最终投资决策", heading_style))
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if isinstance(final_decision, dict) and "decision_text" not in final_decision:
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# JSON格式的决策
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decision_data = [
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['项目', '内容'],
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['投资评级', final_decision.get('rating', '未知')],
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['目标价位', str(final_decision.get('target_price', 'N/A'))],
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['操作建议', final_decision.get('operation_advice', '暂无建议')],
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['进场区间', final_decision.get('entry_range', 'N/A')],
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['止盈位', str(final_decision.get('take_profit', 'N/A'))],
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['止损位', str(final_decision.get('stop_loss', 'N/A'))],
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['持有周期', final_decision.get('holding_period', 'N/A')],
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['仓位建议', final_decision.get('position_size', 'N/A')],
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['信心度', f"{final_decision.get('confidence_level', 'N/A')}/10"],
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['风险提示', final_decision.get('risk_warning', '无')]
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]
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decision_table = Table(decision_data, colWidths=[1.5*inch, 3.5*inch])
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decision_table.setStyle(TableStyle([
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('BACKGROUND', (0, 0), (-1, 0), colors.darkblue),
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('TEXTCOLOR', (0, 0), (-1, 0), colors.whitesmoke),
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('ALIGN', (0, 0), (-1, -1), 'LEFT'),
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('FONTNAME', (0, 0), (-1, 0), chinese_font),
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('FONTSIZE', (0, 0), (-1, 0), 12),
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('BOTTOMPADDING', (0, 0), (-1, 0), 12),
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('BACKGROUND', (0, 1), (-1, -1), colors.lightblue),
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('FONTNAME', (0, 1), (-1, -1), chinese_font),
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('FONTSIZE', (0, 1), (-1, -1), 10),
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('GRID', (0, 0), (-1, -1), 1, colors.black)
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]))
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story.append(decision_table)
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else:
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# 文本格式的决策
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decision_text = final_decision.get('decision_text', str(final_decision))
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decision_text = decision_text.replace('\n', '<br/>')
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story.append(Paragraph(decision_text, normal_style))
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story.append(Spacer(1, 20))
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# 免责声明
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story.append(Paragraph("免责声明", heading_style))
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disclaimer_text = """
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本报告由AI系统生成，仅供参考，不构成投资建议。投资有风险，入市需谨慎。
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请在做出投资决策前咨询专业的投资顾问。本系统不对任何投资损失承担责任。
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"""
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story.append(Paragraph(disclaimer_text, normal_style))
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# 生成PDF
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doc.build(story)
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# 获取PDF内容
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pdf_content = buffer.getvalue()
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buffer.close()
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return pdf_content
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def create_download_link(pdf_content, filename):
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"""创建PDF下载链接"""
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b64 = base64.b64encode(pdf_content).decode()
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href = f'<a href="data:application/pdf;base64,{b64}" download="{filename}" style="display: inline-block; padding: 15px 30px; background-color: #e74c3c; color: white; text-decoration: none; border-radius: 8px; font-weight: bold; font-size: 16px; margin: 10px;">📄 下载PDF报告</a>'
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return href
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def display_pdf_export_section(stock_info, agents_results, discussion_result, final_decision):
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"""显示PDF导出区域"""
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st.markdown("---")
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st.markdown("## 📄 导出分析报告")
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col1, col2, col3 = st.columns([1, 2, 1])
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with col2:
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# 生成PDF报告按钮
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if st.button("📄 生成并下载PDF报告", type="primary", use_container_width=True):
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with st.spinner("正在生成PDF报告..."):
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try:
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# 生成PDF内容
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pdf_content = create_pdf_report(stock_info, agents_results, discussion_result, final_decision)
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# 生成文件名
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stock_symbol = stock_info.get('symbol', 'unknown')
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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filename = f"股票分析报告_{stock_symbol}_{timestamp}.pdf"
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st.success("✅ PDF报告生成成功！")
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st.balloons()
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# 显示下载链接
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st.markdown("### 📄 报告下载")
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download_link = create_download_link(pdf_content, filename)
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st.markdown(f"""
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<div style="text-align: center; margin: 20px 0;">
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{download_link}
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</div>
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""", unsafe_allow_html=True)
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st.info("💡 提示：点击上方按钮即可下载PDF格式的完整分析报告")
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except Exception as e:
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st.error(f"❌ 生成PDF报告时出错: {str(e)}")
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import traceback
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st.error(f"详细错误信息: {traceback.format_exc()}")
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