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| import requests | |
| import os | |
| import gradio as gr | |
| def fetch_exchange_rates(): | |
| """ | |
| Fetches the latest exchange rates from the ExchangeRate API. | |
| """ | |
| API_KEY = os.getenv('EXCHANGE_RATE_API_KEY') # Get API key from environment variable | |
| if not API_KEY: | |
| return None, "❌ API key is missing. Please set it in the environment variable 'EXCHANGE_RATE_API_KEY'." | |
| url = f"https://v6.exchangerate-api.com/v6/{API_KEY}/latest/USD" | |
| try: | |
| response = requests.get(url) | |
| response.raise_for_status() # Raise an exception for HTTP errors | |
| data = response.json() | |
| except requests.RequestException as e: | |
| return None, f"❌ Error fetching data from API: {e}" | |
| if data.get('result') != 'success': | |
| return None, "❌ Failed to fetch exchange rates. Check your API key or account limits." | |
| return data.get('conversion_rates'), None | |
| def convert_currency(amount, input_currency, output_currency): | |
| """ | |
| Converts the given amount from one currency to another using exchange rates. | |
| """ | |
| exchange_rates, error = fetch_exchange_rates() | |
| if error: | |
| return error | |
| if input_currency not in exchange_rates or output_currency not in exchange_rates: | |
| return "❌ Invalid currency. Please ensure the currency codes are valid." | |
| # Perform the conversion | |
| input_rate = exchange_rates[input_currency] | |
| output_rate = exchange_rates[output_currency] | |
| converted_amount = amount * (output_rate / input_rate) | |
| rounded_amount = round(converted_amount, 2) | |
| return f"{amount} {input_currency} is equal to {rounded_amount} {output_currency}." | |
| # Gradio Interface | |
| def interface(amount, input_currency, output_currency): | |
| try: | |
| amount = float(amount) | |
| if amount <= 0: | |
| return "❌ Amount must be greater than 0." | |
| except ValueError: | |
| return "❌ Invalid input. Please enter a valid number." | |
| return convert_currency(amount, input_currency.upper(), output_currency.upper()) | |
| # Create Gradio app | |
| with gr.Blocks() as app: | |
| gr.Markdown("## 🌍 Currency Converter using Live API") | |
| gr.Markdown( | |
| "Convert currencies using live exchange rates. Enter the amount, " | |
| "source currency (e.g., USD), and target currency (e.g., PKR)." | |
| ) | |
| with gr.Row(): | |
| amount_input = gr.Textbox(label="Amount", placeholder="Enter amount (e.g., 100)") | |
| input_currency_input = gr.Textbox(label="From Currency", placeholder="Enter source currency code (e.g., USD)") | |
| output_currency_input = gr.Textbox(label="To Currency", placeholder="Enter target currency code (e.g., PKR)") | |
| convert_button = gr.Button("Convert") | |
| result_output = gr.Textbox(label="Result", placeholder="Result will appear here", interactive=False) | |
| convert_button.click( | |
| interface, | |
| inputs=[amount_input, input_currency_input, output_currency_input], | |
| outputs=result_output, | |
| ) | |
| # Launch the Gradio app | |
| if __name__ == "__main__": | |
| app.launch() | |