Kr08/Stock_Forecasting

1from datetime import datetime2import gradio as gr3from data_fetcher import get_stocks_from_index4from stock_analysis import get_stock_graph_and_info5 6def validate_date(date_string):7    try:8        return datetime.strptime(date_string, "%Y-%m-%d").date()9    except ValueError:10        return None11 12def update_stock_options(index):13    stocks = get_stocks_from_index(index)14    return gr.Dropdown(choices=stocks)15 16def process_inputs(*args):17    idx, stock, interval, graph_type, forecast_method, start_date, end_date = args18    19    start = validate_date(start_date)20    end = validate_date(end_date)21    22    if start is None or end is None:23        return gr.Textbox(value="Invalid date format. Please use YYYY-MM-DD."), None24    25    if start > end:26        return gr.Textbox(value="Start date must be before end date."), None27    28    try:29        return get_stock_graph_and_info(idx, stock, interval, graph_type, forecast_method, start, end)30    except Exception as e:31        error_message = f"An error occurred: {str(e)}"32        return gr.Textbox(value=error_message), None