Create app.py

app.py

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+import streamlit as st
+from transformers import MarianMTModel, MarianTokenizer
+
+# Define supported languages
+LANGUAGES = {
+    "English": "en",
+    "French": "fr",
+    "German": "de",
+    "Spanish": "es",
+    "Italian": "it",
+    "Portuguese": "pt",
+    "Russian": "ru",
+    "Chinese": "zh",
+    "Japanese": "ja",
+    "Arabic": "ar",
+}
+
+# Helper function to load the model and tokenizer
+@st.cache_resource
+def load_translation_model(src_lang, tgt_lang):
+    model_name = f"Helsinki-NLP/opus-mt-{src_lang}-{tgt_lang}"
+    tokenizer = MarianTokenizer.from_pretrained(model_name)
+    model = MarianMTModel.from_pretrained(model_name)
+    return tokenizer, model
+
+# Translation function
+def translate_text(tokenizer, model, text):
+    inputs = tokenizer(text, return_tensors="pt", padding=True)
+    translated = model.generate(**inputs)
+    return tokenizer.decode(translated[0], skip_special_tokens=True)
+
+# Streamlit App
+st.title("Language Translation App 🌍")
+st.write("Translate text between multiple languages using open-source models.")
+
+# Language selection
+col1, col2 = st.columns(2)
+with col1:
+    source_language = st.selectbox("Select Source Language", list(LANGUAGES.keys()))
+with col2:
+    target_language = st.selectbox("Select Target Language", list(LANGUAGES.keys()))
+
+# Input text
+text_to_translate = st.text_area("Enter Text to Translate", height=150)
+
+# Translate button
+if st.button("Translate"):
+    if source_language == target_language:
+        st.warning("Source and target languages must be different!")
+    elif not text_to_translate.strip():
+        st.warning("Please enter some text to translate.")
+    else:
+        src_lang = LANGUAGES[source_language]
+        tgt_lang = LANGUAGES[target_language]
+
+        try:
+            # Load model and tokenizer
+            tokenizer, model = load_translation_model(src_lang, tgt_lang)
+
+            # Perform translation
+            translated_text = translate_text(tokenizer, model, text_to_translate)
+
+            # Display result
+            st.subheader("Translated Text:")
+            st.write(translated_text)
+
+        except Exception as e:
+            st.error(f"Error: {str(e)}")