Create app.py

app.py

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+import openai
+import os 
+import gradio as gr
+from gtts import gTTS
+import tempfile
+import re # regular expression
+
+# import requests
+
+### Translation function
+
+def translate_to_japanese(api_key, text): #openai api key
+    if not api_key:
+        return "Error: API key is missing.", None
+
+    if not text:
+        return "Error: Input text is empty.", None
+
+    openai.api_key = api_key
+
+    #### translation 
+
+    messages_translation = [
+        {"role": "system", "content": "You are a helpful translator."},
+        {"role": "user", "content": f"Translate the following English text to Japanese:\n\n{text}"} #prompt template
+    ]
+
+    try:
+        response_translation = openai.ChatCompletion.create(
+            model="gpt-4o",
+            messages=messages_translation,
+            max_tokens=300,
+            temperature=0.5
+        )
+
+        translated_text=response_translation.choices[0].message['content'].strip()
+
+        messages_pronounciation = [
+            {"role": "system", "content": "You are a helpful assistant who provides only the phonetic pronunciation (Romaji) of Japanese text, in square brackets."},
+            {"role": "user", "content": f"Provide only the Romaji pronunciation (phonetic) for this Japanese text:\n\n{translated_text}"} #prompt template
+        ]
+
+        ### pronounciation
+        response_pronunciation = openai.ChatCompletion.create(
+            model="gpt-4o",
+            messages=messages_pronunciation,
+            max_tokens=150,
+            temperature=0.5
+        )
+
+        pronunciation=response_pronunciation.choices[0].message['content'].strip() ### the pron of ___ is konichuwa
+
+        return translated_text, pronunciation
+
+    except openai.error.OpenAIError as e:
+        return f"OpenAI API error: {str(e)}", None
+    except Exception as e:
+        return f"Unexpected error: {str(e)}", None
+
+#### clean pronounciation
+
+def clean_pronunciation(pronunciation_text):
+    pronunciation_cleaned=re.sub(r"(?i)(the pronunciation.*?is[:：]*|\n|\"|\')", "", pronunciation_text).strip()
+    # Keep only the text inside [ ] if present
+    match = re.search(r"\[.*?\]", pronunciation_cleaned)
+    if match:
+        pronunciation_cleaned = match.group(0)
+    return pronunciation_cleaned         ### the balah blah ignore [dsadasdasd]   response: [dsadasdasd] 
+
+#### audio generation function
+
+def generate_audio_from_text(text):
+    tts=gTTS(text, lang="ja")
+    temp_audio_file=tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") #.wav
+    tts.save(temp_audio_file.name)
+    return temp_audio_file.name
+
+# ---------------------- MAIN FUNCTION ----------------------
+
+def process_translation(api_key, english_text):
+    if not api_key:
+        return "Missing API Key", "", "", None, None
+    if not english_text:
+        return "Please enter English text.", "", "", None, None
+
+    translated_text, pronunciation = translate_to_japanese(api_key, english_text)
+
+    if not pronunciation:
+        return translated_text, "", "", None, None
+
+    cleaned_pronunciation = clean_pronunciation(pronunciation) ### konichuwa
+
+    # Create result text file
+    result_text = f"English Text: {english_text}\n\nJapanese Translation: {translated_text}\nPronunciation: {cleaned_pronunciation}" ## hello ___ konichuwa
+    result_file = tempfile.NamedTemporaryFile(delete=False, suffix=".txt")
+    with open(result_file.name, "w", encoding="utf-8") as f:
+        f.write(result_text)
+
+    # Generate pronunciation audio
+    audio_path = generate_audio_from_text(cleaned_pronunciation)
+
+    return "", translated_text, cleaned_pronunciation, result_file.name, audio_path
+
+### UI design
+
+with gr.Blocks(theme=gr.themes.Ocean()) as app:
+    gr.Markdown("# 🇯🇵 English → Japanese Translator with Pronunciation")
+    gr.Markdown("Translate English text into **Japanese**, get **Romaji pronunciation**, and listen to it!")
+
+    api_key = gr.Textbox(label="🔑 OpenAI API Key", type="password", placeholder="Enter your OpenAI API key")
+
+    english_text = gr.Textbox(label="📝 Enter English Text", lines=4, placeholder="Type something in English...")
+
+    translate_button = gr.Button("Translate to Japanese 🚀")
+
+    translation_output = gr.Textbox(label="📘 Japanese Translation")
+
+    pronunciation_output = gr.Textbox(label="🔤 Pronunciation (Romaji)")
+
+    audio_output=gr.Audio(label="🔊 Listen to Pronunciation", type="filepath")
+
+    file_output = gr.File(label="⬇️ Download Translation Result")
+
+    translate_button.click(
+        fn=process_translation,
+        inputs=[api_key, english_text],
+        outputs=[gr.Label(), translation_output, pronunciation_output, file_output, audio_output]
+    )
+
+app.launch()