scalping dash also works initially
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Dobromir Popov
230
minimal_dashboard.py
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230
minimal_dashboard.py
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#!/usr/bin/env python3
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"""
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Minimal Scalping Dashboard - Test callback functionality without emoji issues
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"""
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import logging
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import sys
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from pathlib import Path
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from datetime import datetime
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import pandas as pd
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import numpy as np
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# Add project root to path
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project_root = Path(__file__).parent
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sys.path.insert(0, str(project_root))
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import dash
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from dash import dcc, html, Input, Output
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import plotly.graph_objects as go
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from core.config import setup_logging
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from core.data_provider import DataProvider
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# Setup logging without emojis
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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class MinimalDashboard:
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"""Minimal dashboard to test callback functionality"""
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def __init__(self):
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self.data_provider = DataProvider()
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self.app = dash.Dash(__name__)
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self.chart_data = {}
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# Setup layout and callbacks
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self._setup_layout()
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self._setup_callbacks()
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logger.info("Minimal dashboard initialized")
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def _setup_layout(self):
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"""Setup minimal layout"""
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self.app.layout = html.Div([
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html.H1("Minimal Scalping Dashboard - Callback Test", className="text-center"),
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# Metrics row
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html.Div([
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html.Div([
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html.H3(id="current-time", className="text-center"),
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html.P("Current Time", className="text-center")
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], className="col-md-3"),
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html.Div([
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html.H3(id="update-counter", className="text-center"),
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html.P("Update Count", className="text-center")
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], className="col-md-3"),
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html.Div([
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html.H3(id="eth-price", className="text-center"),
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html.P("ETH Price", className="text-center")
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], className="col-md-3"),
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html.Div([
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html.H3(id="status", className="text-center"),
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html.P("Status", className="text-center")
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], className="col-md-3")
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], className="row mb-4"),
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# Chart
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html.Div([
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dcc.Graph(id="main-chart", style={"height": "400px"})
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]),
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# Fast refresh interval
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dcc.Interval(
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id='fast-interval',
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interval=1000, # 1 second
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n_intervals=0
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)
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], className="container-fluid")
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def _setup_callbacks(self):
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"""Setup callbacks with proper scoping"""
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# Store reference to self for callback access
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dashboard_instance = self
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@self.app.callback(
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[
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Output('current-time', 'children'),
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Output('update-counter', 'children'),
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Output('eth-price', 'children'),
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Output('status', 'children'),
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Output('main-chart', 'figure')
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],
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[Input('fast-interval', 'n_intervals')]
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)
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def update_dashboard(n_intervals):
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"""Update dashboard components"""
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try:
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logger.info(f"Callback triggered, interval: {n_intervals}")
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# Get current time
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current_time = datetime.now().strftime("%H:%M:%S")
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# Update counter
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counter = f"Updates: {n_intervals}"
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# Try to get ETH price
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try:
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eth_price_data = dashboard_instance.data_provider.get_current_price('ETH/USDT')
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eth_price = f"${eth_price_data:.2f}" if eth_price_data else "Loading..."
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except Exception as e:
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logger.warning(f"Error getting ETH price: {e}")
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eth_price = "Error"
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# Status
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status = "Running" if n_intervals > 0 else "Starting"
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# Create chart
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try:
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chart = dashboard_instance._create_chart(n_intervals)
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except Exception as e:
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logger.error(f"Error creating chart: {e}")
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chart = dashboard_instance._create_error_chart()
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logger.info(f"Callback returning: time={current_time}, counter={counter}, price={eth_price}")
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return current_time, counter, eth_price, status, chart
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except Exception as e:
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logger.error(f"Error in callback: {e}")
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import traceback
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logger.error(f"Traceback: {traceback.format_exc()}")
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# Return safe fallback values
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return "Error", "Error", "Error", "Error", dashboard_instance._create_error_chart()
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def _create_chart(self, n_intervals):
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"""Create a simple test chart"""
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try:
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# Try to get real data
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if n_intervals % 5 == 0: # Refresh data every 5 seconds
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try:
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df = self.data_provider.get_historical_data('ETH/USDT', '1m', limit=50)
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if df is not None and not df.empty:
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self.chart_data = df
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logger.info(f"Fetched {len(df)} candles for chart")
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except Exception as e:
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logger.warning(f"Error fetching data: {e}")
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# Create chart
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fig = go.Figure()
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if hasattr(self, 'chart_data') and not self.chart_data.empty:
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# Real data chart
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fig.add_trace(go.Candlestick(
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x=self.chart_data['timestamp'],
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open=self.chart_data['open'],
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high=self.chart_data['high'],
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low=self.chart_data['low'],
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close=self.chart_data['close'],
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name='ETH/USDT'
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))
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title = f"ETH/USDT Real Data - Update #{n_intervals}"
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else:
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# Mock data chart
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x_data = list(range(max(0, n_intervals-20), n_intervals + 1))
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y_data = [3500 + 50 * np.sin(i/5) + 10 * np.random.randn() for i in x_data]
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fig.add_trace(go.Scatter(
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x=x_data,
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y=y_data,
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mode='lines',
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name='Mock ETH Price',
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line=dict(color='#00ff88')
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))
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title = f"Mock ETH Data - Update #{n_intervals}"
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fig.update_layout(
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title=title,
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template="plotly_dark",
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paper_bgcolor='#1e1e1e',
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plot_bgcolor='#1e1e1e',
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showlegend=False
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)
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return fig
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except Exception as e:
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logger.error(f"Error in _create_chart: {e}")
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return self._create_error_chart()
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def _create_error_chart(self):
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"""Create error chart"""
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fig = go.Figure()
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fig.add_annotation(
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text="Error loading chart data",
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xref="paper", yref="paper",
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x=0.5, y=0.5, showarrow=False,
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font=dict(size=16, color="#ff4444")
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)
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fig.update_layout(
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template="plotly_dark",
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paper_bgcolor='#1e1e1e',
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plot_bgcolor='#1e1e1e'
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)
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return fig
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def run(self, host='127.0.0.1', port=8052, debug=True):
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"""Run the dashboard"""
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logger.info(f"Starting minimal dashboard at http://{host}:{port}")
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logger.info("This tests callback functionality without emoji issues")
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self.app.run(host=host, port=port, debug=debug)
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def main():
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"""Main function"""
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try:
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dashboard = MinimalDashboard()
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dashboard.run()
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except KeyboardInterrupt:
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logger.info("Dashboard stopped by user")
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except Exception as e:
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logger.error(f"Error: {e}")
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import traceback
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traceback.print_exc()
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if __name__ == "__main__":
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main()
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