Update utils/ingest_image.py

utils/ingest_image.py

@@ -0,0 +1,51 @@
+import os
+import fitz 
+import chromadb
+from chromadb.utils.data_loaders import ImageLoader
+from chromadb.utils.embedding_functions import OpenCLIPEmbeddingFunction # type: ignore
+
+path = "mm_vdb2"
+client = chromadb.PersistentClient(path=path)
+
+def extract_and_store_images(pdf_path,images_dir=r'extracted_images'):
+    # Step 1: Extract images from PDF
+    pdf_document = fitz.open(pdf_path)
+    os.makedirs(images_dir, exist_ok=True)
+
+    for page_num in range(len(pdf_document)):
+        page = pdf_document.load_page(page_num)
+        image_list = page.get_images(full=True)
+
+        for image_index, img in enumerate(image_list):
+            xref = img[0]
+            base_image = pdf_document.extract_image(xref)
+            image_bytes = base_image["image"]
+            image_ext = base_image["ext"]
+            image_filename = f"{images_dir}/page_{page_num+1}_img_{image_index+1}.{image_ext}"
+
+            with open(image_filename, "wb") as image_file:
+                image_file.write(image_bytes)
+            print(f"Saved: {image_filename}")
+
+    print("Image extraction complete.")
+
+    # Step 2: Add extracted images to ChromaDB
+    image_loader = ImageLoader()
+    CLIP = OpenCLIPEmbeddingFunction()
+    image_collection = client.get_or_create_collection(name="image", embedding_function=CLIP, data_loader=image_loader)
+    print("clip embedding.")
+
+    ids = []
+    uris = []
+
+    for i, filename in enumerate(sorted(os.listdir(images_dir))):
+        if filename.endswith('.jpeg') or filename.endswith('.png'):
+            file_path = os.path.join(images_dir, filename)
+            ids.append(str(i))
+            uris.append(file_path)
+            print(file_path)
+
+    print("Image adding to db")
+    image_collection.add(ids=ids, uris=uris)
+    print("Images added to the database.")
+    return image_collection