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app.py

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+import gradio as gr
+import json
+import os
+from pathlib import Path
+import requests
+import base64
+from io import BytesIO
+
+# Load watchlist configuration
+def load_watchlists():
+    """Load watchlist configuration from JSON file"""
+    config_path = Path("watchlists_config.json")
+    if config_path.exists():
+        with open(config_path, 'r') as f:
+            return json.load(f)
+    return {}
+
+def load_stocks_from_file(filename):
+    """Load stock symbols from a watchlist file"""
+    file_path = Path(filename)
+    if file_path.exists():
+        with open(file_path, 'r') as f:
+            content = f.read().strip()
+            # Split by comma and clean whitespace
+            stocks = [s.strip() for s in content.split(',') if s.strip()]
+            return stocks
+    return []
+
+def generate_chart_url(symbol, timeframe):
+    """Generate StockCharts URL based on symbol and timeframe"""
+    base_url = "https://stockcharts.com/c-sc/sc?chart="
+    
+    # Random parameter for cache busting
+    import random
+    rand_param = random.random()
+    
+    if timeframe == "5-Minute":
+        return f"{base_url}{symbol},uu[700,500]iahayaca[bb][i!ub14!la12,26,9][pd20,2]&r={rand_param}"
+    elif timeframe == "Daily":
+        return f"{base_url}{symbol},uu[700,500]dahayaca[bb][i!ub14!lu][pd20,2]&r={rand_param}"
+    elif timeframe == "Weekly":
+        return f"{base_url}{symbol},uu[700,500]whhayaca[bb][i!ub14!lu][pd20,2]&r={rand_param}"
+    return ""
+
+def download_chart_image(url):
+    """Download chart image from StockCharts and convert to base64"""
+    try:
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
+            'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
+            'Accept-Language': 'en-US,en;q=0.9',
+            'Accept-Encoding': 'gzip, deflate, br',
+            'Referer': 'https://stockcharts.com/',
+            'Connection': 'keep-alive',
+            'Sec-Fetch-Dest': 'image',
+            'Sec-Fetch-Mode': 'no-cors',
+            'Sec-Fetch-Site': 'same-origin'
+        }
+        
+        response = requests.get(url, headers=headers, timeout=10)
+        response.raise_for_status()
+        
+        # Convert to base64
+        img_base64 = base64.b64encode(response.content).decode('utf-8')
+        return f"data:image/png;base64,{img_base64}"
+    except Exception as e:
+        print(f"Error downloading image from {url}: {str(e)}")
+        # Return a placeholder image URL or error message
+        return None
+
+def generate_single_stock_images(symbol):
+    """Generate HTML for single stock analysis (3 charts)"""
+    timeframes = ["5-Minute", "Daily", "Weekly"]
+    
+    html = f"<h2>股票分析: {symbol}</h2>"
+    html += '<div style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px;">'
+    
+    for tf in timeframes:
+        url = generate_chart_url(symbol, tf)
+        img_data = download_chart_image(url)
+        
+        if img_data:
+            html += f'''
+            <div style="text-align: center;">
+                <h3>{tf}</h3>
+                <img src="{img_data}" alt="{symbol} - {tf}" style="max-width: 100%; height: auto; border: 1px solid #ddd; border-radius: 4px;">
+            </div>
+            '''
+        else:
+            html += f'''
+            <div style="text-align: center;">
+                <h3>{tf}</h3>
+                <p style="color: red;">加载图片失败</p>
+            </div>
+            '''
+    
+    html += '</div>'
+    return html
+
+def update_single_stock(symbol):
+    """Update single stock tab with charts"""
+    if not symbol or not symbol.strip():
+        return "<p>请输入股票代码</p>"
+    
+    symbol = symbol.strip().upper()
+    return generate_single_stock_images(symbol)
+
+def generate_watchlist_images(watchlist_name, timeframe):
+    """Generate HTML for watchlist with selected timeframe"""
+    if not watchlist_name or watchlist_name == "Select a watchlist":
+        return "<p>请选择一个观察列表</p>"
+    
+    # Load watchlist config
+    config = load_watchlists()
+    if watchlist_name not in config:
+        return f"<p>观察列表 '{watchlist_name}' 未找到</p>"
+    
+    # Load stocks from file
+    filename = config[watchlist_name]
+    stocks = load_stocks_from_file(filename)
+    
+    if not stocks:
+        return f"<p>文件 {filename} 中没有找到股票</p>"
+    
+    # Generate HTML
+    html = f"<h2>观察列表: {watchlist_name} ({timeframe})</h2>"
+    html += '<div style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px;">'
+    
+    for symbol in stocks:
+        url = generate_chart_url(symbol, timeframe)
+        img_data = download_chart_image(url)
+        
+        if img_data:
+            html += f'''
+            <div style="text-align: center;">
+                <h3>{symbol}</h3>
+                <img src="{img_data}" alt="{symbol} - {timeframe}" style="max-width: 100%; height: auto; border: 1px solid #ddd; border-radius: 4px;">
+            </div>
+            '''
+        else:
+            html += f'''
+            <div style="text-align: center;">
+                <h3>{symbol}</h3>
+                <p style="color: red;">加载图片失败</p>
+            </div>
+            '''
+    
+    html += '</div>'
+    return html
+
+def get_watchlist_names():
+    """Get list of watchlist names from config"""
+    config = load_watchlists()
+    return ["Select a watchlist"] + list(config.keys())
+
+def save_watchlist_config(config):
+    """Save watchlist configuration to JSON file"""
+    config_path = Path("watchlists_config.json")
+    with open(config_path, 'w') as f:
+        json.dump(config, f, indent=2)
+
+def save_stocks_to_file(filename, stocks_text):
+    """Save stock symbols to a watchlist file"""
+    file_path = Path(filename)
+    with open(file_path, 'w') as f:
+        f.write(stocks_text.strip())
+
+def add_or_update_watchlist(watchlist_name, stocks_text):
+    """Add a new watchlist or update an existing one"""
+    if not watchlist_name or not watchlist_name.strip():
+        return "❌ 请输入观察列表名称", gr.update(), gr.update()
+    
+    watchlist_name = watchlist_name.strip()
+    
+    if not stocks_text or not stocks_text.strip():
+        return "❌ 请输入股票代码", gr.update(), gr.update()
+    
+    # Generate filename from watchlist name
+    filename = watchlist_name.lower().replace(' ', '_') + '.txt'
+    
+    # Save stocks to file
+    save_stocks_to_file(filename, stocks_text)
+    
+    # Update config
+    config = load_watchlists()
+    config[watchlist_name] = filename
+    save_watchlist_config(config)
+    
+    # Get updated list for dropdown
+    updated_choices = get_watchlist_names()
+    
+    return (
+        f"✅ 观察列表 '{watchlist_name}' 已保存！",
+        gr.update(choices=updated_choices),
+        gr.update(choices=list(config.keys()), value=None)
+    )
+
+def delete_watchlist(watchlist_name):
+    """Delete a watchlist"""
+    if not watchlist_name:
+        return "❌ 请选择要删除的观察列表", gr.update(), gr.update()
+    
+    config = load_watchlists()
+    
+    if watchlist_name not in config:
+        return f"❌ 观察列表 '{watchlist_name}' 不存在", gr.update(), gr.update()
+    
+    # Get filename and delete file
+    filename = config[watchlist_name]
+    file_path = Path(filename)
+    if file_path.exists():
+        file_path.unlink()
+    
+    # Remove from config
+    del config[watchlist_name]
+    save_watchlist_config(config)
+    
+    # Get updated list for dropdown
+    updated_choices = get_watchlist_names()
+    
+    return (
+        f"✅ 观察列表 '{watchlist_name}' 已删除！",
+        gr.update(choices=updated_choices),
+        gr.update(choices=list(config.keys()) if config else [], value=None)
+    )
+
+def load_watchlist_for_edit(watchlist_name):
+    """Load watchlist content for editing"""
+    if not watchlist_name:
+        return "", ""
+    
+    config = load_watchlists()
+    if watchlist_name not in config:
+        return "", ""
+    
+    filename = config[watchlist_name]
+    stocks = load_stocks_from_file(filename)
+    stocks_text = ", ".join(stocks)
+    
+    return watchlist_name, stocks_text
+
+# Create Gradio interface
+with gr.Blocks(title="股票分析仪表板") as demo:
+    gr.Markdown("# 股票分析仪表板")
+    
+    with gr.Tabs():
+        # Tab 1: Single Stock Analysis
+        with gr.Tab("单股分析"):
+            gr.Markdown("### 输入股票代码查看图表")
+            
+            with gr.Row():
+                stock_input = gr.Textbox(
+                    label="股票代码",
+                    placeholder="例如: QQQ, AAPL, SPY",
+                    scale=3
+                )
+                analyze_btn = gr.Button("分析", scale=1)
+            
+            single_stock_output = gr.HTML()
+            
+            # Event handlers
+            analyze_btn.click(
+                fn=update_single_stock,
+                inputs=[stock_input],
+                outputs=[single_stock_output]
+            )
+            
+            stock_input.submit(
+                fn=update_single_stock,
+                inputs=[stock_input],
+                outputs=[single_stock_output]
+            )
+        
+        # Tab 2: Watchlist
+        with gr.Tab("观察列表"):
+            gr.Markdown("### 选择观察列表和时间周期查看所有图表")
+            
+            with gr.Row():
+                watchlist_dropdown = gr.Dropdown(
+                    choices=get_watchlist_names(),
+                    value="Select a watchlist",
+                    label="��择观察列表",
+                    scale=2
+                )
+                
+                timeframe_dropdown = gr.Dropdown(
+                    choices=["5-Minute", "Daily", "Weekly"],
+                    value="Daily",
+                    label="选择时间周期",
+                    scale=1
+                )
+            
+            watchlist_output = gr.HTML()
+            
+            # Event handlers - update on any dropdown change
+            watchlist_dropdown.change(
+                fn=generate_watchlist_images,
+                inputs=[watchlist_dropdown, timeframe_dropdown],
+                outputs=[watchlist_output]
+            )
+            
+            timeframe_dropdown.change(
+                fn=generate_watchlist_images,
+                inputs=[watchlist_dropdown, timeframe_dropdown],
+                outputs=[watchlist_output]
+            )
+        
+        # Tab 3: Manage Watchlists
+        with gr.Tab("管理观察列表"):
+            gr.Markdown("### 添加、修改或删除观察列表")
+            
+            with gr.Row():
+                with gr.Column():
+                    gr.Markdown("#### 添加/修改观察列表")
+                    
+                    manage_name_input = gr.Textbox(
+                        label="观察列表名称",
+                        placeholder="例如: Tech Stocks"
+                    )
+                    
+                    manage_stocks_input = gr.TextArea(
+                        label="股票代码（逗号分隔）",
+                        placeholder="例如: AAPL, MSFT, GOOGL, NVDA",
+                        lines=5
+                    )
+                    
+                    with gr.Row():
+                        save_btn = gr.Button("💾 保存", variant="primary")
+                    
+                    save_status = gr.Markdown()
+                
+                with gr.Column():
+                    gr.Markdown("#### 编辑/删除现有列表")
+                    
+                    edit_dropdown = gr.Dropdown(
+                        choices=list(load_watchlists().keys()),
+                        label="选择要编辑的观察列表",
+                        value=None
+                    )
+                    
+                    with gr.Row():
+                        load_btn = gr.Button("📝 加载到左侧编辑")
+                        delete_btn = gr.Button("🗑️ 删除", variant="stop")
+            
+            # Event handlers for management tab
+            save_btn.click(
+                fn=add_or_update_watchlist,
+                inputs=[manage_name_input, manage_stocks_input],
+                outputs=[save_status, watchlist_dropdown, edit_dropdown]
+            )
+            
+            delete_btn.click(
+                fn=delete_watchlist,
+                inputs=[edit_dropdown],
+                outputs=[save_status, watchlist_dropdown, edit_dropdown]
+            )
+            
+            load_btn.click(
+                fn=load_watchlist_for_edit,
+                inputs=[edit_dropdown],
+                outputs=[manage_name_input, manage_stocks_input]
+            )
+
+if __name__ == "__main__":
+    demo.launch()

index_etfs.txt

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+QQQ, SPY, DIA, IWM, VTI, VOO,SOXX,VXX

my_favorites.txt

@@ -0,0 +1 @@
+QQQ, AAPL, TSLA, SPY

nq100.txt

@@ -0,0 +1 @@
+QQQ,SPY,IWM,DIA,SOXX,AAPL, MSFT, NVDA, AVGO, AMZN, META, TSLA, GOOGL, GOOG, COST, NFLX, AMD, ADBE, PEP, LIN, QCOM, TMUS, CSCO, TXN, AMAT, INTU, AMGN, CMCSA, INTC, ISRG, HON, BKNG, MU, VRTX, LRCX, ADI, REGN, KLAC, PANW, ADP, GILD, MDLZ, PDD, SNPS, ASML, SBUX, MELI, CRWD, CTAS, CDNS, NXPI, MAR, CSX, ABNB, PYPL, ROP, ORLY, MRVL, CEG, PCAR, MNST, ADSK, CPRT, AEP, MCHP, WDAY, ROST, MRNA, CHTR, AZN, KDP, PAYX, FTNT, DXCM, TTD, ODFL, KHC, VRSK, FAST, EA, IDXX, DASH, CTSH, FANG, GEHC, DDOG, EXC, BKR, LULU, CCEP, BIIB, ON, GFS, CDW, XEL, CSGP, ZS, TEAM, ANSS, TTWO, DLTR, WBD, ARM, ILMN, MDB

requirements.txt

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+gradio
+requests

start.bat

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+@echo off
+echo Installing dependencies...
+pip install -r requirements.txt
+
+echo.
+echo Starting Stock Analysis Dashboard...
+python app.py
+pause

tech_stocks.txt

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+AAPL, MSFT, GOOGL, NVDA, TSLA, META

watchlists_config.json

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+{
+  "Tech Stocks": "tech_stocks.txt",
+  "Index ETFs": "index_etfs.txt",
+  "My Favorites": "my_favorites.txt",
+  "nq100": "nq100.txt"
+}