Create app.py

app.py

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+import streamlit as st
+from transformers import pipeline
+
+# Load the language model pipeline
+# You can replace "gpt2" with another model or a locally fine-tuned model as desired
+@st.cache_resource
+def load_model():
+    return pipeline("text-generation", model="gpt2")
+
+llm = load_model()
+
+# Set up Streamlit columns for layout
+col1, col2 = st.columns(2)
+
+with col1:
+    # User input box for text input
+    user_input = st.text_input("Enter your text:", "")
+    
+    # Static backend text to combine with user input
+    backend_text = "Predefined text: "
+    combined_text = backend_text + user_input
+
+    # Button to trigger LLM generation
+    if st.button("Generate"):
+        if user_input.strip():  # Ensure input is not empty
+            with st.spinner("Generating response..."):
+                # Generate response from the LLM with some constraints
+                response = llm(combined_text, max_length=100, num_return_sequences=1)
+                # Extract generated text from LLM output
+                output_text = response[0]['generated_text']
+        else:
+            output_text = "Please provide some input text."
+
+with col2:
+    # Display the output in a text area
+    st.text_area("Output:", output_text, height=200, key="output_text")
+
+    # Copy button (uses Streamlit Components to trigger copying)
+    copy_script = """
+    <script>
+    function copyToClipboard(text) {
+        navigator.clipboard.writeText(text).then(
+            function() { console.log('Copying to clipboard succeeded'); },
+            function(err) { console.error('Could not copy text: ', err); }
+        );
+    }
+    </script>
+    """
+    # Add the script to the page
+    st.markdown(copy_script, unsafe_allow_html=True)
+
+    # Button to copy the output text
+    if st.button("Copy Output"):
+        # Display the output text in a way accessible to JS
+        st.write(f'<button onclick="copyToClipboard(document.getElementById(\'output_text\').value)">Copy</button>', unsafe_allow_html=True)
+