Create app.py

app.py

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+import streamlit as st
+from binance_api.yfinanceclient import YFinanceClient
+from indicators.sma import calculate_sma
+from indicators.bollinger_bands import calculate_bollinger_bands
+from signals.strategy import generate_signals
+from utils.plotting import plot_data_with_indicators_and_signals
+
+# Initialize Streamlit app
+st.title('Stock Signal App')
+
+# User inputs
+ticker = st.text_input('Enter the stock ticker symbol (e.g., AAPL):').upper()
+period = st.selectbox('Select the period for analysis:', options=['1mo', '3mo', '6mo'], index=0)
+interval = st.selectbox('Select the data interval:', options=['1h', '1d'], index=0)
+
+# Analyze button
+if st.button('Analyze'):
+    if not ticker:
+        st.error('Please provide the stock ticker symbol.')
+    else:
+        try:
+            # Initialize YFinance Client and fetch historical stock data
+            client = YFinanceClient(ticker)
+            data = client.fetch_historical_prices(period=period, interval=interval)
+            
+            # Calculate indicators
+            data = calculate_sma(data, 'close', 21)
+            data = calculate_sma(data, 'close', 50)
+            data = calculate_bollinger_bands(data)
+            
+            # Generate signals
+            data = generate_signals(data)
+            
+            # Plotting
+            st.write(f'Analysis and Signals for {ticker}')
+            plot_data_with_indicators_and_signals(data)
+        except Exception as e:
+            st.error(f'Failed to fetch and analyze data for {ticker}. Error: {str(e)}')
+