Create app.py

app.py

@@ -0,0 +1,52 @@
+import streamlit as st
+from transformers import pipeline
+
+# Language pair to model mapping
+model_mapping = {
+    ("English", "Hindi"):"Helsinki-NLP/opus-mt-en-hi",     # "Helsinki-NLP/opus-mt-en-hi",
+    ("Hindi", "English"): "TestZee/Finetuned-hindi-to-english-V5",   # "TestZee/Finetuned-hindi-to-english-V5",
+    ("English", "Telugu"):"hima06varshini/TeluguTranslatica",    # "harshitha2406/English_to_Telugu",not working
+    ("Telugu", "English"):"hima06varshini/TeluguTranslatica",  # "ai4bharat/indic-translator-te-en",not working
+}
+
+# Streamlit page config
+st.set_page_config(page_title="Translator", layout="wide")
+
+# Only allowed languages
+languages = ["English", "Hindi", "Telugu"]
+
+# UI
+st.markdown("""
+    <style>
+    .big-font { font-size:25px !important; font-weight: bold; }
+    .output-box { background-color: #f9f9f9; padding: 20px; border-radius: 10px; min-height: 300px; font-size: 22px; }
+    </style>
+""", unsafe_allow_html=True)
+
+# Two columns
+col1, col2 = st.columns(2)
+
+with col1:
+    source_lang = st.selectbox("Detected Language", languages, index=0)
+    st.markdown('<div class="big-font">Enter your text:</div>', unsafe_allow_html=True)
+    user_input = st.text_area("", "hi how are you", height=250)
+    translate_button = st.button("Translate", use_container_width=True)
+
+with col2:
+    target_lang = st.selectbox("Translate To", languages, index=1)
+    
+    if translate_button and user_input:
+        if (source_lang, target_lang) in model_mapping:
+            model_name = model_mapping[(source_lang, target_lang)]
+            translator = pipeline("translation", model=model_name)
+            translated_text = translator(user_input, max_length=400)[0]['translation_text']
+        else:
+            translated_text = "❌ Translation not available for selected language pair."
+    else:
+        translated_text = ""
+
+    st.markdown('<div class="output-box">' + (translated_text if translated_text else "") + '</div>', unsafe_allow_html=True)
+
+    if translated_text and "❌" not in translated_text:
+        st.button("Copy", use_container_width=True)
+        st.button("Paraphrase", use_container_width=True)