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import streamlit as st
import pandas as pd
from datetime import datetime, timedelta
# Import our custom modules
from yfinance_data.fetcher import fetch_stock_data
from indicators.sma import calculate_21_50_sma
from indicators.bollinger_bands import calculate_bollinger_bands
from signals.strategy import generate_signals
from utils.plotting import plot_stock_data
# Streamlit app title
st.title('StockSwingApp: Stock Trading Signal Generator')
# User inputs
st.sidebar.header('User Input Parameters')
default_symbol = 'AAPL'
symbol = st.sidebar.text_input('Stock Symbol', value=default_symbol, max_chars=5).upper()
start_date = st.sidebar.date_input('Start Date', value=datetime.now() - timedelta(days=365))
end_date = st.sidebar.date_input('End Date', value=datetime.now())
# Fetch stock data
st.write(f"Fetching data for {symbol} from {start_date} to {end_date}...")
stock_data = fetch_stock_data(symbol, start_date.strftime('%Y-%m-%d'), end_date.strftime('%Y-%m-%d'), interval='1d')
if not stock_data.empty:
# Calculate indicators
stock_data_with_indicators = calculate_21_50_sma(stock_data)
stock_data_with_indicators = calculate_bollinger_bands(stock_data_with_indicators)
# Generate signals
signals_data = generate_signals(stock_data_with_indicators)
# Display the chart
st.write(f"Displaying data for {symbol}")
plot_stock_data_with_signals(signals_data)
# Optionally, display the data table
show_data = st.checkbox('Show Data Table')
if show_data:
st.write(signals_data)
else:
st.write("No data available for the given inputs. Please try different parameters.")
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