Add multimodal support (llama.cpp)

css/main.css

@@ -1550,3 +1550,16 @@ strong {
     color: var(--body-text-color-subdued);
     margin-top: 4px;
 }
+
+.image-attachment {
+    flex-direction: column;
+}
+
+.attachment-image {
+    border-radius: 16px;
+    margin-bottom: 5px;
+    object-fit: cover;
+    object-position: center;
+    border: 2px solid var(--border-color-primary);
+    aspect-ratio: 1 / 1;
+}

modules/chat.py

@@ -220,13 +220,22 @@ def generate_chat_prompt(user_input, state, **kwargs):
             # Add attachment content if present
             if user_key in metadata and "attachments" in metadata[user_key]:
                 attachments_text = ""
+                image_refs = ""
+
                 for attachment in metadata[user_key]["attachments"]:
+                    if attachment.get("type") == "image":
+                        # Add image reference for multimodal models
+                        image_refs += f"[img-{attachment['image_id']}]"
+                    else:
+                        # Handle text/PDF attachments as before
                         filename = attachment.get("name", "file")
                         content = attachment.get("content", "")
                         attachments_text += f"\nName: {filename}\nContents:\n\n=====\n{content}\n=====\n\n"
 
+                if image_refs or attachments_text:
+                    enhanced_user_msg = f"{image_refs}{user_msg}"
                     if attachments_text:
-                    enhanced_user_msg = f"{user_msg}\n\nATTACHMENTS:\n{attachments_text}"
+                        enhanced_user_msg += f"\n\nATTACHMENTS:\n{attachments_text}"
 
             messages.insert(insert_pos, {"role": "user", "content": enhanced_user_msg})
 
@@ -240,22 +249,29 @@ def generate_chat_prompt(user_input, state, **kwargs):
         has_attachments = user_key in metadata and "attachments" in metadata[user_key]
 
     if (user_input or has_attachments) and not impersonate and not _continue:
-        # For the current user input being processed, check if we need to add attachments
-        if not impersonate and not _continue and len(history_data.get('metadata', {})) > 0:
         current_row_idx = len(history)
         user_key = f"user_{current_row_idx}"
 
+        enhanced_user_input = user_input
+
         if user_key in metadata and "attachments" in metadata[user_key]:
             attachments_text = ""
+            image_refs = ""
+
             for attachment in metadata[user_key]["attachments"]:
+                if attachment.get("type") == "image":
+                    image_refs += f"[img-{attachment['image_id']}]"
+                else:
                     filename = attachment.get("name", "file")
                     content = attachment.get("content", "")
                     attachments_text += f"\nName: {filename}\nContents:\n\n=====\n{content}\n=====\n\n"
 
+            if image_refs or attachments_text:
+                enhanced_user_input = f"{image_refs}{user_input}"
                 if attachments_text:
-                    user_input = f"{user_input}\n\nATTACHMENTS:\n{attachments_text}"
+                    enhanced_user_input += f"\n\nATTACHMENTS:\n{attachments_text}"
 
-        messages.append({"role": "user", "content": user_input})
+        messages.append({"role": "user", "content": enhanced_user_input})
 
     def make_prompt(messages):
         if state['mode'] == 'chat-instruct' and _continue:
@@ -493,26 +509,43 @@ def add_message_attachment(history, row_idx, file_path, is_user=True):
     file_extension = path.suffix.lower()
 
     try:
-        # Handle different file types
-        if file_extension == '.pdf':
+        # Handle image files
+        if file_extension in ['.jpg', '.jpeg', '.png', '.webp', '.bmp', '.gif']:
+            # Convert image to base64
+            with open(path, 'rb') as f:
+                image_data = base64.b64encode(f.read()).decode('utf-8')
+
+            # Generate unique image ID
+            image_id = len([att for att in history['metadata'][key]["attachments"] if att.get("type") == "image"]) + 1
+
+            attachment = {
+                "name": filename,
+                "type": "image",
+                "image_data": image_data,
+                "image_id": image_id,
+                "file_path": str(path)  # For UI preview
+            }
+
+        elif file_extension == '.pdf':
             # Process PDF file
             content = extract_pdf_text(path)
-            file_type = "application/pdf"
+            attachment = {
+                "name": filename,
+                "type": "application/pdf",
+                "content": content,
+            }
         else:
             # Default handling for text files
             with open(path, 'r', encoding='utf-8') as f:
                 content = f.read()
-            file_type = "text/plain"
-
-        # Add attachment
             attachment = {
                 "name": filename,
-            "type": file_type,
+                "type": "text/plain",
                 "content": content,
             }
 
         history['metadata'][key]["attachments"].append(attachment)
-        return content  # Return the content for reuse
+        return attachment  # Return the attachment for reuse
     except Exception as e:
         logger.error(f"Error processing attachment {filename}: {e}")
         return None
@@ -567,6 +600,19 @@ def chatbot_wrapper(text, state, regenerate=False, _continue=False, loading_mess
         for file_path in files:
             add_message_attachment(output, row_idx, file_path, is_user=True)
 
+        # Collect image attachments for llama.cpp
+        image_attachments = []
+        if 'metadata' in output:
+            user_key = f"user_{row_idx}"
+            if user_key in output['metadata'] and "attachments" in output['metadata'][user_key]:
+                for attachment in output['metadata'][user_key]["attachments"]:
+                    if attachment.get("type") == "image":
+                        image_attachments.append(attachment)
+
+        # Add image attachments to state for the generation
+        if image_attachments:
+            state['image_attachments'] = image_attachments
+
         # Add web search results as attachments if enabled
         add_web_search_attachments(output, row_idx, text, state)
 

modules/html_generator.py

@@ -372,7 +372,17 @@ def format_message_attachments(history, role, index):
         for attachment in attachments:
             name = html.escape(attachment["name"])
 
-            # Make clickable if URL exists
+            if attachment.get("type") == "image":
+                # Show image preview
+                file_path = attachment.get("file_path", "")
+                attachments_html += (
+                    f'<div class="attachment-box image-attachment">'
+                    f'<img src="file/{file_path}" alt="{name}" class="attachment-image" />'
+                    f'<div class="attachment-name">{name}</div>'
+                    f'</div>'
+                )
+            else:
+                # Make clickable if URL exists (web search)
                 if "url" in attachment:
                     name = f'<a href="{html.escape(attachment["url"])}" target="_blank" rel="noopener noreferrer">{name}</a>'
 
@@ -382,6 +392,7 @@ def format_message_attachments(history, role, index):
                     f'<div class="attachment-name">{name}</div>'
                     f'</div>'
                 )
+
         attachments_html += '</div>'
         return attachments_html
 

modules/llama_cpp_server.py

@@ -140,6 +140,17 @@ class LlamaServer:
             "cache_prompt": True
         })
 
+        # Add image data if present
+        if 'image_attachments' in state:
+            image_data = []
+            for attachment in state['image_attachments']:
+                image_data.append({
+                    "data": attachment['image_data'],
+                    "id": attachment['image_id']
+                })
+            if image_data:
+                payload["image_data"] = image_data
+
         if shared.args.verbose:
             logger.info("GENERATE_PARAMS=")
             printable_payload = {k: v for k, v in payload.items() if k != "prompt"}