Update app.py
Browse files
app.py
CHANGED
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@@ -8,18 +8,28 @@ from tensorflow.keras.layers import LSTM, Dense, Dropout
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import matplotlib.pyplot as plt
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import gradio as gr
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from datetime import datetime
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# Disable GPU usage and oneDNN optimizations
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os.environ['CUDA_VISIBLE_DEVICES'] = '-1'
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os.environ['TF_ENABLE_ONEDNN_OPTS'] = '0'
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# Helper function to handle date adjustments and retries if data not found
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def adjust_date_range_if_needed(stock_data, ticker, start_date, end_date):
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retries = 3 # Number of retries for fetching data
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while stock_data.empty and retries > 0:
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start_date = (datetime.strptime(start_date, '%Y-%m-%d') - timedelta(days=1)).strftime('%Y-%m-%d')
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end_date = (datetime.strptime(end_date, '%Y-%m-%d') - timedelta(days=1)).strftime('%Y-%m-%d')
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print(f"Retrying with adjusted dates: {start_date} to {end_date}") # Debugging output
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stock_data = yf.download(ticker, start=start_date, end=end_date)
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retries -= 1
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return stock_data, start_date, end_date
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@@ -28,14 +38,12 @@ def adjust_date_range_if_needed(stock_data, ticker, start_date, end_date):
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def get_stock_data(ticker, start_date, end_date):
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try:
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stock_data = yf.download(ticker, start=start_date, end=end_date)
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print(f"Stock data downloaded: {stock_data.shape}") # Debugging output to check data download
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except Exception as e:
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print(f"Error fetching data: {e}")
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return None, None, None
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# If stock data is empty, attempt to adjust the date range
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if stock_data.empty:
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print("No data found for the original date range.") # Debugging output
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stock_data, adjusted_start, adjusted_end = adjust_date_range_if_needed(stock_data, ticker, start_date, end_date)
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if stock_data.empty:
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return None, None, None # If still empty after retries, return None
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@@ -44,7 +52,6 @@ def get_stock_data(ticker, start_date, end_date):
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# Preprocess the data for the LSTM model
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def preprocess_data(stock_data):
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# Closing prices
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close_prices = stock_data['Close'].values
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close_prices = close_prices.reshape(-1, 1)
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@@ -78,7 +85,6 @@ def load_trained_model(file_name):
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# Train and make predictions
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def predict_stock(stock_data, scaler, model):
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# Get the last 60 days of stock data for prediction
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last_60_days = stock_data[-60:]
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last_60_days_scaled = scaler.transform(last_60_days)
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@@ -92,14 +98,11 @@ def predict_stock(stock_data, scaler, model):
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predicted_price = model.predict(X_test)
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predicted_price = scaler.inverse_transform(predicted_price)
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print(f"Predicted price: {predicted_price}") # Debugging output to verify predictions
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return predicted_price
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# Main app function
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def stock_predictor(ticker, start_date, end_date):
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#
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if not ticker:
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return f"Invalid stock ticker: {ticker}"
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# Get stock data
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stock_data, adjusted_start, adjusted_end = get_stock_data(ticker, start_date, end_date)
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@@ -116,7 +119,6 @@ def stock_predictor(ticker, start_date, end_date):
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if model is None:
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# Train the model if pre-trained model is not found
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print("Training the model...") # Debugging output for training
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model = build_model()
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X_train, y_train = [], []
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for i in range(60, len(scaled_data)):
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@@ -134,17 +136,21 @@ def stock_predictor(ticker, start_date, end_date):
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# Predict stock price for tomorrow
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predicted_price = predict_stock(scaled_data, scaler, model)
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#
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plt.figure(figsize=(14, 7))
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plt.plot(stock_data['Close'], color="blue", label="Historical Prices")
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plt.scatter(len(stock_data), predicted_price, color="red", label="Predicted Price
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plt.title(f"{ticker} Stock Price Prediction")
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plt.xlabel('Date')
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plt.ylabel('Price')
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plt.legend()
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plt.show()
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# Gradio UI
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def build_ui():
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import matplotlib.pyplot as plt
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import gradio as gr
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from datetime import datetime
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import requests # To get the exchange rate
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# Disable GPU usage and oneDNN optimizations
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os.environ['CUDA_VISIBLE_DEVICES'] = '-1'
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os.environ['TF_ENABLE_ONEDNN_OPTS'] = '0'
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# Helper function to get the current USD to INR exchange rate
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def get_usd_to_inr_rate():
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try:
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response = requests.get('https://api.exchangerate-api.com/v4/latest/USD')
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data = response.json()
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return data['rates']['INR']
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except Exception as e:
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print(f"Error fetching exchange rate: {e}")
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return 82.0 # Use a fallback conversion rate (adjust if necessary)
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# Helper function to handle date adjustments and retries if data not found
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def adjust_date_range_if_needed(stock_data, ticker, start_date, end_date):
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retries = 3 # Number of retries for fetching data
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while stock_data.empty and retries > 0:
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start_date = (datetime.strptime(start_date, '%Y-%m-%d') - timedelta(days=1)).strftime('%Y-%m-%d')
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end_date = (datetime.strptime(end_date, '%Y-%m-%d') - timedelta(days=1)).strftime('%Y-%m-%d')
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stock_data = yf.download(ticker, start=start_date, end=end_date)
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retries -= 1
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return stock_data, start_date, end_date
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def get_stock_data(ticker, start_date, end_date):
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try:
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stock_data = yf.download(ticker, start=start_date, end=end_date)
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except Exception as e:
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print(f"Error fetching data: {e}")
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return None, None, None
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# If stock data is empty, attempt to adjust the date range
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if stock_data.empty:
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stock_data, adjusted_start, adjusted_end = adjust_date_range_if_needed(stock_data, ticker, start_date, end_date)
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if stock_data.empty:
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return None, None, None # If still empty after retries, return None
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# Preprocess the data for the LSTM model
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def preprocess_data(stock_data):
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close_prices = stock_data['Close'].values
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close_prices = close_prices.reshape(-1, 1)
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# Train and make predictions
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def predict_stock(stock_data, scaler, model):
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last_60_days = stock_data[-60:]
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last_60_days_scaled = scaler.transform(last_60_days)
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predicted_price = model.predict(X_test)
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predicted_price = scaler.inverse_transform(predicted_price)
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return predicted_price
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# Main app function
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def stock_predictor(ticker, start_date, end_date):
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usd_to_inr = get_usd_to_inr_rate() # Get the USD to INR conversion rate
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# Get stock data
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stock_data, adjusted_start, adjusted_end = get_stock_data(ticker, start_date, end_date)
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if model is None:
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# Train the model if pre-trained model is not found
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model = build_model()
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X_train, y_train = [], []
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for i in range(60, len(scaled_data)):
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# Predict stock price for tomorrow
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predicted_price = predict_stock(scaled_data, scaler, model)
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# Convert predicted price to INR
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predicted_price_inr = predicted_price[0][0] * usd_to_inr
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# Historical vs Predicted Graph
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plt.figure(figsize=(14, 7))
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plt.plot(stock_data['Close'], color="blue", label="Historical Prices (USD)")
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plt.scatter(len(stock_data), predicted_price[0], color="red", label="Predicted Price (USD)")
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plt.title(f"{ticker} Stock Price Prediction")
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plt.xlabel('Date')
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plt.ylabel('Price (USD)')
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plt.legend()
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plt.show()
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# Return the predicted price in INR
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return f"Predicted Stock Price for {ticker} tomorrow: ₹{predicted_price_inr:.2f} (INR)"
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# Gradio UI
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def build_ui():
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