Add app of multimodal_rag_with_milvus.

Signed-off-by: wxywb <[email protected]>

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/.env

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+# Fill out the following if using OpenAI service
+API_KEY=**************
+
+# Fill out the following if using Azure OpenAI service
+AZURE_OPENAI_API_KEY=**************
+AZURE_OPENAI_ENDPOINT=https://*******.com    
+AZURE_DEPLOYMENT=******-***-**

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/.streamlit/config.toml

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+[theme]
+base = "dark"
+primaryColor = "#4fc4f9"

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/README.md

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+# Multimodal RAG with Milvus 🖼️
+
+<div style="text-align: center;">
+  <figure>
+    <img src="./pics/cir_demo.png" alt="Description of Image" width="700"/>
+  </figure>
+</div>
+
+This multi-modal RAG (Retrieval-Augmented Generation) demo showcases the integration of Milvus with [MagicLens](https://open-vision-language.github.io/MagicLens/) and [GPT-4o](https://openai.com/index/hello-gpt-4o/) for advanced image searching based on user instructions. Users can upload an image and edit instructions, which are processed by MagicLens's composed retrieval model to search for candidate images. GPT-4o then acts as a reranker, selecting the most suitable image and providing the rationale behind the choice. This powerful combination enables a seamless and intuitive image search experience.
+
+## Quick Deploy
+
+Follow these steps to quickly deploy the application locally:
+
+### Preparation
+
+> Prerequisites: Python 3.8 or higher
+
+**1. Download Codes**
+```bash
+$ git clone <https://github.com/milvus-io/bootcamp.git>
+$ cd bootcamp/bootcamp/tutorials/quickstart/app/multimodal_rag_with_milvus
+```
+
+**2. Set Environment**
+
+- Install dependencies
+
+```bash
+  $ pip install -r requirements.txt
+```
+
+- Set environment variables
+
+  Modify the environment file [.env](./.env) to change environment variables for either OpenAI or Azure OpenAI service, and only keep the variables relevant to the service chosen:
+
+  ```bash
+  # Fill out and keep the following if using OpenAI service
+  API_KEY=**************
+
+  # Fill out and keep the following if using Azure OpenAI service
+  AZURE_OPENAI_API_KEY=**************
+  AZURE_OPENAI_ENDPOINT=https://*******.com    
+  AZURE_DEPLOYMENT=******-***-**
+  ```
+
+**3. Prepare MagicLens Model** <br>
+
+More detailed information can be found at <https://github.com/google-deepmind/magiclens>
+
+- Setup
+
+  ```bash
+  conda create --name magic_lens python=3.9
+  conda activate magic_lens
+  git clone https://github.com/google-research/scenic.git
+  cd scenic
+  pip install .
+  pip install -r scenic/projects/baselines/clip/requirements.txt
+  # you may need to install corresponding GPU version of jax following https://jax.readthedocs.io/en/latest/installation.html
+  # e.g.,
+  # # CUDA 12 installation
+  # Note: wheels only available on linux.
+  # pip install --upgrade "jax[cuda12_pip]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html
+
+  # # CUDA 11 installation
+  # Note: wheels only available on linux.
+  # pip install --upgrade "jax[cuda11_pip]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html
+  ```
+
+- Model Download
+
+  ```bash
+  cd .. # in main folder of demo.
+  # you may need to use `gcloud auth login` for access, any gmail account should work.
+  gsutil cp -R gs://gresearch/magiclens/models ./
+  ```
+
+**4. Prepare Data**
+
+We are using a subset of https://github.com/hyp1231/AmazonReviews2023 which includes approximately 5000 images in 33 different categories, such as applicances, beauty and personal care, clothing, sports and outdoors, etc.<br>
+
+Download image set by running [download_images.py](./download_images.py).
+```bash
+$ python download_images.py
+```
+
+Create a collection and load image data from the dataset to get the knowledge ready by running [index.py](./index.py).
+
+```bash
+$ python index.py
+```
+
+### Start Service
+
+Run the Streamlit application:
+
+```bash
+$ streamlit run ui.py
+```
+
+There have some options you can set in `cfg.py`.
+
+
+### Example Usage:
+
+**Step 1:** Choose an image file to upload (JPEG format), and give user instruction as a text input.
+
+<div style="text-align: center;">
+  <figure>
+    <img src="./pics/step1.png" alt="Description of Image" width="700"/>
+  </figure>
+</div>
+
+**Step 2:** Click on the 'Search' button to see top 100 candidate images generated based on both query image and user instruction.
+
+<div style="text-align: center;">
+  <figure>
+    <img src="./pics/step2.png" alt="Description of Image" width="700"/>
+  </figure>
+</div>
+
+**Step 3:** Click on the 'Ask GPT' button to get the best item chosen by GPT-4o after reranking along with detailed explanation.
+
+<div style="text-align: center;">
+  <figure>
+    <img src="./pics/step3.png" alt="Description of Image" width="700"/>
+  </figure>
+</div>

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/categories.txt

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+All_Beauty
+Amazon_Fashion
+Appliances
+Arts_Crafts_and_Sewing
+Automotive
+Baby_Products
+Beauty_and_Personal_Care
+Books
+CDs_and_Vinyl
+Cell_Phones_and_Accessories
+Clothing_Shoes_and_Jewelry
+Digital_Music
+Electronics	
+Gift_Cards
+Grocery_and_Gourmet_Food
+Handmade_Products
+Health_and_Household
+Health_and_Personal_Care
+Home_and_Kitchen
+Industrial_and_Scientific
+Kindle_Store
+Magazine_Subscriptions
+Musical_Instruments
+Office_Products
+Patio_Lawn_and_Garden
+Pet_Supplies
+Software
+Sports_and_Outdoors
+Subscription_Boxes
+Tools_and_Home_Improvement
+Toys_and_Games
+Video_Games
+Unknown

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/cfg.py

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+class Config:
+      # Define a class named Config to hold configuration settings.
+  2     def __init__(self):
+      # Initialize method to set default values for configuration settings.
+  3         self.download_path = "./images"
+      # Set the path where images will be downloaded to "./images".
+  4         self.imgs_per_category = 300
+      # Define the number of images to download per category, set to 300.
+  5         self.milvus_uri = "milvus.db"
+      # Set the URI for the Milvus database, you can change to "http://localhost:19530" for a standard Milvus.
+  6         self.collection_name = "cir_demo_large"
+      # Define the name of the collection in the Milvus database, set to "cir_demo_large".
+  7         self.device = "gpu"
+      # Set the device to use for computations, in this case, "gpu", you can change it to "cpu".
+  8         self.model_type = "large"
+      # Specify the type of model to use, set to "large".
+  9         self.model_path = "./models/magic_lens_clip_large.pkl"
+      # Set the path to the model file, default is "./magic_lens_clip_large.pkl".
+ 10         self.api_type = "openai"
+      # Define the type of API to use, set to "openai", you can change it to "azure_openai".
+

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/download_images.py

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+from datasets import load_dataset
+from cfg import Config
+import os
+
+def download_images():
+    config = Config()
+    with open('categories.txt') as fw:
+        lines = fw.readlines()
+        for line in lines:
+            l = line.strip()
+            meta_dataset = load_dataset("McAuley-Lab/Amazon-Reviews-2023", f"raw_meta_{l}", split="full")
+            for i in range(config.imgs_per_category):
+                if len(meta_dataset[i]['images']['large']) > 0: 
+                    img_name = meta_dataset[i]['images']['large'][0]
+                    basename = os.path.basename(img_name)
+                    if os.path.exists(f'{config.download_path}/{basename}') is False:
+                        os.system(f"wget {img_name} -P {config.download_path} --no-check-certificate")
+if __name__ == "__main__":
+    download_images()

bootcamp/tutorials/quickstart/apps/multimodal_rag_with_milvus/index.py

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+from datasets import load_dataset
+from pymilvus import MilvusClient
+import numpy as np
+import os
+from PIL import Image
+import json
+from magiclens.magiclens import MagicLensEmbeddding
+from cfg import Config
+
+from retrieve import Retriever 
+encoder = Retriever()
+
+
+def insert_data():
+    config = Config()
+    image_folder = f'{config.download_path}'  + '/{}'
+    client = MilvusClient(uri=config.milvus_uri)
+    client.create_collection(
+        collection_name=config.collection_name,
+        overwrite= True,
+        auto_id = True,
+        dimension=768,
+        enable_dynamic_field=True
+    )
+    count = 0
+    with open('categories.txt') as fw:
+        lines = fw.readlines()
+        for line in lines:
+            l = line.strip()
+            meta_dataset = load_dataset("McAuley-Lab/Amazon-Reviews-2023", f"raw_meta_{l}", split="full")
+            for i in range(config.imgs_per_category):
+                if len(meta_dataset[i]['images']['large']) > 0:
+                    print(count)
+                    count = count + 1
+                    img_name = meta_dataset[i]['images']['large'][0]
+                    name = os.path.basename(img_name)
+                    if os.path.exists(image_folder.format(name)) is True:
+                        feat = encoder.encode_query(image_folder.format(name), "")
+                        spec = json.dumps(meta_dataset[i])
+                        res = client.insert(
+                            collection_name=config.collection_name,
+                            data={"vector": np.array(feat.flatten()), "spec":spec, "name": f"{l}_{i}"}
+                        )
+insert_data()