Create app.py

app.py

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+import openai
+import streamlit as st
+
+def translate_to_japanese(api_key, text):
+    """
+    Translates English text to Japanese using OpenAI's API.
+    """
+    # Validate input
+    if not api_key:
+        return "Error: API key is missing."
+    if not text:
+        return "Error: Input text is empty."
+
+    # Set the OpenAI API key
+    openai.api_key = api_key
+    
+    # Define the prompt for translation
+    prompt = f"Translate the following English text to Japanese:\n\n{text}"
+    
+    try:
+        # Call the OpenAI API to get the translation
+        response = openai.Completion.create(
+            engine="text-davinci-003",  # Use gpt-3.5-turbo or other models if available
+            prompt=prompt,
+            max_tokens=150,  # Adjust token limit for longer outputs
+            temperature=0.5
+        )
+
+        # Extract the translated text from the response
+        japanese_translation = response.choices[0].text.strip()
+        return japanese_translation
+    
+    except openai.error.OpenAIError as e:
+        return f"OpenAI API error: {str(e)}"
+    except Exception as e:
+        return f"An unexpected error occurred: {str(e)}"
+
+# Streamlit UI
+st.title("English to Japanese Translator")
+st.markdown("Translate English text into Japanese using OpenAI's API.")
+
+# Input fields for the API key and text
+api_key = st.text_input("Enter your OpenAI API key", type="password")
+english_text = st.text_area("Enter the English text to translate")
+
+# Button to trigger the translation
+if st.button("Translate"):
+    if api_key and english_text:
+        japanese_text = translate_to_japanese(api_key, english_text)
+        st.markdown("### Translation Result:")
+        st.write(japanese_text)
+    else:
+        st.error("Please provide both an API key and text to translate.")