Upload app.py

app.py

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+"""
+CodeAlpha Internship - Task 1: Language Translation Tool
+Uses: Groq API (LLM inference) + langdetect (Hugging Face-style language detection) + Gradio (UI)
+"""
+
+import gradio as gr
+from groq import Groq
+from langdetect import detect, DetectorFactory
+import pyperclip
+
+DetectorFactory.seed = 0  # For consistent language detection
+
+# ─── CONFIGURATION ────────────────────────────────────────────────────────────
+GROQ_API_KEY = "your_groq_api_key_here"  # <-- Replace with your Groq API key
+MODEL = "llama3-8b-8192"                  # Fast and free on Groq
+
+LANGUAGES = [
+    "Auto-Detect",
+    "English", "Urdu", "Arabic", "French", "Spanish", "German",
+    "Chinese (Simplified)", "Japanese", "Korean", "Hindi", "Portuguese",
+    "Italian", "Russian", "Turkish", "Dutch", "Polish", "Bengali",
+    "Vietnamese", "Thai", "Persian (Farsi)"
+]
+
+LANG_CODE_MAP = {
+    "en": "English", "ur": "Urdu", "ar": "Arabic", "fr": "French",
+    "es": "Spanish", "de": "German", "zh-cn": "Chinese (Simplified)",
+    "ja": "Japanese", "ko": "Korean", "hi": "Hindi", "pt": "Portuguese",
+    "it": "Italian", "ru": "Russian", "tr": "Turkish", "nl": "Dutch",
+    "pl": "Polish", "bn": "Bengali", "vi": "Vietnamese", "th": "Thai",
+    "fa": "Persian (Farsi)"
+}
+
+# ─── CORE TRANSLATION FUNCTION ────────────────────────────────────────────────
+def translate_text(input_text, source_lang, target_lang):
+    if not input_text.strip():
+        return "⚠️ Please enter some text to translate.", ""
+
+    if target_lang == "Auto-Detect":
+        return "⚠️ Please select a target language.", ""
+
+    if not GROQ_API_KEY or GROQ_API_KEY == "your_groq_api_key_here":
+        return "⚠️ Please set your GROQ_API_KEY in the script.", ""
+
+    # Auto-detect source language
+    detected_info = ""
+    if source_lang == "Auto-Detect":
+        try:
+            detected_code = detect(input_text)
+            detected_name = LANG_CODE_MAP.get(detected_code, detected_code.upper())
+            detected_info = f"🔍 Detected language: **{detected_name}**"
+            source_lang = detected_name
+        except Exception:
+            source_lang = "the source language"
+            detected_info = "🔍 Could not detect language, letting AI handle it."
+
+    # Build prompt
+    prompt = (
+        f"You are a professional translator. Translate the following text from {source_lang} "
+        f"to {target_lang}. Return ONLY the translated text — no explanations, no labels, "
+        f"no quotation marks, just the clean translation.\n\n"
+        f"Text to translate:\n{input_text}"
+    )
+
+    try:
+        client = Groq(api_key=GROQ_API_KEY)
+        response = client.chat.completions.create(
+            model=MODEL,
+            messages=[{"role": "user", "content": prompt}],
+            temperature=0.3,
+            max_tokens=1024
+        )
+        translated = response.choices[0].message.content.strip()
+        return translated, detected_info
+
+    except Exception as e:
+        return f"❌ Translation error: {str(e)}", ""
+
+
+# ─── TEXT-TO-SPEECH (browser-based via JS) ────────────────────────────────────
+TTS_JS = """
+function speakText() {
+    const outputBox = document.querySelector('#translated-output textarea');
+    if (!outputBox || !outputBox.value.trim()) {
+        alert("Nothing to speak yet!");
+        return;
+    }
+    const utterance = new SpeechSynthesisUtterance(outputBox.value);
+    window.speechSynthesis.speak(utterance);
+}
+"""
+
+# ─── GRADIO UI ─────────────────────────────────────────────────────────────────
+with gr.Blocks(
+    title="Language Translator — CodeAlpha",
+    theme=gr.themes.Soft(primary_hue="blue"),
+    css="""
+        .container { max-width: 900px; margin: auto; }
+        .title-block { text-align: center; padding: 10px 0 20px; }
+        #translated-output textarea { font-size: 16px; }
+        .footer { text-align: center; font-size: 12px; color: #888; margin-top: 20px; }
+    """
+) as demo:
+
+    gr.HTML("""
+        <div class="title-block">
+            <h1>🌐 Language Translation Tool</h1>
+            <p style="color:#555;">Powered by Groq LLaMA3 + LangDetect | CodeAlpha Internship Task 1</p>
+        </div>
+    """)
+
+    with gr.Row():
+        source_lang = gr.Dropdown(
+            choices=LANGUAGES,
+            value="Auto-Detect",
+            label="Source Language",
+            scale=1
+        )
+        target_lang = gr.Dropdown(
+            choices=[l for l in LANGUAGES if l != "Auto-Detect"],
+            value="Urdu",
+            label="Target Language",
+            scale=1
+        )
+
+    with gr.Row():
+        with gr.Column():
+            input_text = gr.Textbox(
+                label="Input Text",
+                placeholder="Enter text here to translate...",
+                lines=8,
+                max_lines=15
+            )
+            with gr.Row():
+                translate_btn = gr.Button("🔁 Translate", variant="primary", scale=3)
+                clear_btn = gr.Button("🗑️ Clear", scale=1)
+
+        with gr.Column():
+            output_text = gr.Textbox(
+                label="Translated Text",
+                lines=8,
+                max_lines=15,
+                interactive=False,
+                elem_id="translated-output"
+            )
+            detection_info = gr.Markdown("")
+            with gr.Row():
+                copy_btn = gr.Button("📋 Copy to Clipboard", scale=2)
+                speak_btn = gr.Button("🔊 Speak Translation", scale=2)
+
+    # ── Event handlers ──
+    def do_translate(text, src, tgt):
+        result, info = translate_text(text, src, tgt)
+        return result, info
+
+    def clear_all():
+        return "", "", ""
+
+    def copy_output(text):
+        if text.strip():
+            try:
+                pyperclip.copy(text)
+                return gr.update(value="✅ Copied!", interactive=False)
+            except Exception:
+                return gr.update(value="⚠️ Copy failed (run in local env)", interactive=False)
+        return gr.update(value="📋 Copy to Clipboard")
+
+    translate_btn.click(
+        fn=do_translate,
+        inputs=[input_text, source_lang, target_lang],
+        outputs=[output_text, detection_info]
+    )
+    input_text.submit(
+        fn=do_translate,
+        inputs=[input_text, source_lang, target_lang],
+        outputs=[output_text, detection_info]
+    )
+    clear_btn.click(fn=clear_all, outputs=[input_text, output_text, detection_info])
+    copy_btn.click(fn=copy_output, inputs=[output_text], outputs=[copy_btn])
+    speak_btn.click(fn=None, js=TTS_JS)  # Browser TTS via JS
+
+    gr.HTML("""
+        <div class="footer">
+            Built with ❤️ for CodeAlpha AI Internship · Groq LLaMA3-8B · Gradio UI
+        </div>
+    """)
+
+if __name__ == "__main__":
+    demo.launch(share=False, inbrowser=True)