Fix transformers service to be optional to prevent import errors

app/services/transformers_summarizer.py

@@ -3,20 +3,32 @@ Transformers service for fast text summarization using Hugging Face models.
 """
 import asyncio
 import time
-from typing import Dict, Any, AsyncGenerator
-
-from transformers import pipeline
+from typing import Dict, Any, AsyncGenerator, Optional
 
 from app.core.logging import get_logger
 
 logger = get_logger(__name__)
 
+# Try to import transformers, but make it optional
+try:
+    from transformers import pipeline
+    TRANSFORMERS_AVAILABLE = True
+except ImportError:
+    TRANSFORMERS_AVAILABLE = False
+    logger.warning("Transformers library not available. Pipeline endpoint will be disabled.")
+
 
 class TransformersSummarizer:
     """Service for fast text summarization using Hugging Face Transformers."""
 
     def __init__(self):
         """Initialize the Transformers pipeline with distilbart model."""
+        self.summarizer: Optional[Any] = None
+        
+        if not TRANSFORMERS_AVAILABLE:
+            logger.warning("⚠️ Transformers not available - pipeline endpoint will not work")
+            return
+            
         logger.info("Initializing Transformers pipeline...")
         
         try:
@@ -28,13 +40,17 @@ class TransformersSummarizer:
             logger.info("✅ Transformers pipeline initialized successfully")
         except Exception as e:
             logger.error(f"❌ Failed to initialize Transformers pipeline: {e}")
-            raise
+            self.summarizer = None
 
     async def warm_up_model(self) -> None:
         """
         Warm up the model with a test input to load weights into memory.
         This speeds up subsequent requests.
         """
+        if not self.summarizer:
+            logger.warning("⚠️ Transformers pipeline not initialized, skipping warmup")
+            return
+            
         test_text = "This is a test text to warm up the model."
         
         try:
@@ -50,7 +66,7 @@ class TransformersSummarizer:
             logger.info("✅ Transformers model warmup successful")
         except Exception as e:
             logger.error(f"❌ Transformers model warmup failed: {e}")
-            raise
+            # Don't raise - allow app to start even if warmup fails
 
     async def summarize_text_stream(
         self,
@@ -69,6 +85,16 @@ class TransformersSummarizer:
         Yields:
             Dict containing 'content' (word chunk) and 'done' (completion flag)
         """
+        if not self.summarizer:
+            error_msg = "Transformers pipeline not available. Please install transformers and torch."
+            logger.error(f"❌ {error_msg}")
+            yield {
+                "content": "",
+                "done": True,
+                "error": error_msg,
+            }
+            return
+            
         start_time = time.time()
         text_length = len(text)
         

scripts/deploy.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Deploy script - pushes to both GitHub and Hugging Face
+# Usage: ./scripts/deploy.sh [commit_message]
+
+set -e  # Exit on any error
+
+echo "🚀 Deploying to GitHub and Hugging Face..."
+
+# Get commit message from argument or use default
+if [ -n "$1" ]; then
+    commit_msg="$1"
+else
+    commit_msg="feat: Deploy latest changes"
+fi
+
+# Check if there are changes to commit
+if git diff --quiet && git diff --cached --quiet; then
+    echo "ℹ️  No changes to commit"
+else
+    echo "📝 Committing changes: $commit_msg"
+    git add -A
+    git commit -m "$commit_msg"
+fi
+
+# Push to GitHub
+echo "📤 Pushing to GitHub..."
+if git push origin main; then
+    echo "✅ Successfully pushed to GitHub"
+else
+    echo "❌ Failed to push to GitHub"
+    exit 1
+fi
+
+# Push to Hugging Face
+echo "📤 Pushing to Hugging Face..."
+if git push hf main; then
+    echo "✅ Successfully deployed to Hugging Face!"
+    echo "🔗 Check deployment at: https://huggingface.co/spaces/colin730/SummarizerApp"
+    echo "⏱️  Build time: ~5-10 minutes"
+    echo ""
+    echo "🎯 Monitor deployment with:"
+    echo "   curl -s https://colin730-summarizerapp.hf.space/health"
+else
+    echo "❌ Failed to push to Hugging Face"
+    exit 1
+fi
+
+echo ""
+echo "🎉 Deployment complete! Both GitHub and Hugging Face are updated."
+
+
+