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4 Commits

Author SHA1 Message Date
ambag12 0fe92f182f qdrant injestion x get query has been completed wait for Scrap results 2026-05-08 20:24:26 +05:00
ambag12 26b0b7f1a9 injection completed 2026-05-08 18:56:33 +05:00
ambag12 dcaa4cc8c9 commit fastapi qdrant structure 2026-05-07 21:18:59 +05:00
ambag12 953f1f868f commit with Backend arch MYSQL connection done 2026-05-07 20:01:24 +05:00
24 changed files with 726 additions and 54 deletions

9
.gitignore vendored Normal file
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.env
**venv**
**data**
*pyc**
**pycache**
*agent/**
**downloaded_images**
**model_export**
**cpython**

44
dev_backend/db_setup.py Normal file
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from __future__ import annotations
import os
from contextlib import asynccontextmanager
from typing import AsyncGenerator
from dotenv import load_dotenv
from qdrant_client import AsyncQdrantClient, models
from typing import Annotated
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
from sqlalchemy.orm import declarative_base
from sqlalchemy.orm import sessionmaker
# pyrefly: ignore [missing-import]
from fastapi import FastAPI, Depends
from sqlalchemy.engine.url import URL
from dotenv import load_dotenv
load_dotenv()
DATABASE_URL = URL.create(
drivername="mysql+asyncmy",
username=os.getenv("MYSQL_USER"),
password=os.getenv("MYSQL_PASSWORD"),
host=os.getenv("MYSQL_HOST"),
port=os.getenv("MYSQL_PORT"),
database=os.getenv("MYSQL_DATABASE"),
)
async def get_qdrant_client()->AsyncGenerator[AsyncQdrantClient,None]:
# Replace with your Qdrant URL
client = AsyncQdrantClient(url="http://localhost:6333", timeout=60)
try:
yield client
finally:
# Properly close the async client
await client.close()
async def get_session():
engine = create_async_engine(DATABASE_URL, echo=True)
async_session = async_sessionmaker(bind=engine, class_=AsyncSession, expire_on_commit=False)
session = async_session()
Base = declarative_base()
try:
yield session
finally:
await session.close()

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dev_backend/main.py Normal file
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import sys
import os
# Add the project root to sys.path to allow imports from model_export
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from fastapi import FastAPI, status
from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
from dotenv import load_dotenv
from db_setup import get_qdrant_client,get_session
from mysql_process.views import app_router as mysql_router
from vector_db_router.views import app_router as vector_db_router
load_dotenv()
api = FastAPI(
docs_url="/docs",
redoc_url="/redocs",
)
api.include_router(mysql_router,prefix="/mysql",tags=["mysql_process"])
api.include_router(vector_db_router,prefix="/collection",tags=["vector_db"])

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from fastapi import FastAPI
from sqlmodel import SQLModel, Field
class Memory(SQLModel,table=True):
id: int = Field(default=None,primary_key=True)
product_link: str = Field(default=None,index=True)
price: float = Field(default=None)
product_image: str = Field(default=None)
product_name: str = Field(default=None)
product_description: str = Field(default=None)
product_rating: float = Field(default=None)
product_review: str = Field(default=None)

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from fastapi import FastAPI
from pydantic import BaseModel
from .models import Memory
class MemorySerializer(BaseModel):
id: int
product_link: str
price: float
product_image: str
product_name: str
product_description: str
product_rating: float
product_review: str
class Config:
orm_mode = True

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from typing import Annotated
from fastapi import Depends, Header, HTTPException,APIRouter
from typing import List,Optional
from db_setup import get_session,get_qdrant_client
# from .models import Product
from sqlalchemy.ext.asyncio import AsyncSession
from qdrant_client import AsyncQdrantClient
from fastapi.responses import JSONResponse
app_router = APIRouter()
@app_router.get("/products")
async def get_all_products(
session: Annotated[AsyncSession, Depends(get_session)],
vector_db:Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
):
try:
return JSONResponse(content={"message": "Hello World"})
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))

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from qdrant_client import AsyncQdrantClient, models
from qdrant_client.models import PointStruct
from typing import Dict, Any
import logging
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
log = logging.getLogger(__name__)
class CollectionHandler:
def __init__(self, collection_name: str, vector: Any, vector_size: int, payload: Dict,
id: int=None,
link: str=None,
asin: str=None,
category: str=None,
brand: str=None,
client: AsyncQdrantClient=None
):
self.collection_name = collection_name
self.vector = vector
self.id = id
self.vector_size = vector_size
self.payload = payload
self.link = link
self.asin = asin
self.category = category
self.brand = brand
self.client = client if client else AsyncQdrantClient("localhost", port=6333)
async def create_collection(self):
try:
if await self.client.collection_exists(self.collection_name):
return {"message": "Collection already exists"}
await self.client.create_collection(
collection_name=self.collection_name,
vectors_config=models.VectorParams(size=self.vector_size, distance=models.Distance.EUCLID),
optimizers_config=models.OptimizersConfigDiff(indexing_threshold=20000)
)
# Creating payload indexes as per project logic
await self.client.create_payload_index(
collection_name=self.collection_name,
field_name="link",
field_schema=models.PayloadSchemaType.KEYWORD
)
await self.client.create_payload_index(
collection_name=self.collection_name,
field_name="title",
field_schema=models.PayloadSchemaType.KEYWORD
)
await self.client.create_payload_index(
collection_name=self.collection_name,
field_name="brand",
field_schema=models.PayloadSchemaType.KEYWORD
)
await self.client.create_payload_index(
collection_name=self.collection_name,
field_name="asin",
field_schema=models.PayloadSchemaType.KEYWORD
)
return {"message": f"Collection {self.collection_name} created successfully"}
except Exception as e:
return {"message": str(e)}
async def insertion(self):
try:
await self.client.upsert(
collection_name=self.collection_name,
points=[
PointStruct(id=self.id, vector=self.vector, payload=self.payload)
]
)
return True
except Exception as e:
# Note: In a real app we'd use a logger here
print(f"Insertion failed for ID {self.id}: {e}")
return False
async def upsert_point(self):
return await self.insertion()
async def search(self, query_vector, score_threshold: float = 0.3, limit: int = 10):
try:
result = await self.client.query_points(
collection_name=self.collection_name,
query=query_vector,
score_threshold=score_threshold,
limit=limit
)
return result.points
except Exception as e:
log.error(f"Search failed: {e}")
return None
async def update_collection(self):
"""Update is implemented as an upsert of the point data."""
return await self.upsert_point()
async def delete_collection(self):
try:
await self.client.delete_collection(collection_name=self.collection_name)
return {"message": f"Collection {self.collection_name} deleted successfully"}
except Exception as e:
return {"message": str(e)}

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import os
import requests
from urllib.parse import urlparse
from pathlib import Path
from PIL import Image
def download_image(url: str, filename: str = None) -> str:
"""
Download an image from URL and save it in data/temp/ folder.
Args:
url (str): Image URL
filename (str, optional): Custom filename. If None, extracted from URL.
Returns:
str: Full path to the downloaded image
"""
try:
# Get project root directory (where your main script is)
root_dir = Path(os.path.dirname(os.path.abspath(__file__))).parent
# Create data/temp folder structure
temp_dir = root_dir / "data" / "temp"
temp_dir.mkdir(parents=True, exist_ok=True)
# Generate filename if not provided
if not filename:
parsed_url = urlparse(url)
filename = os.path.basename(parsed_url.path)
if not filename or "." not in filename:
# Fallback filename
ext = filename.split('.')[-1] if '.' in filename else 'jpg'
filename = f"image_{hash(url) % 100000}.{ext}"
# Ensure filename has extension
if '.' not in filename:
filename += ".jpg"
file_path = temp_dir / filename
# Download the image
response = requests.get(url, stream=True, timeout=30)
response.raise_for_status()
# Save image
with open(file_path, 'wb') as f:
for chunk in response.iter_content(chunk_size=8192):
f.write(chunk)
print(f"✅ Image downloaded: {file_path}")
return str(file_path)
except Exception as e:
print(f"❌ Failed to download image: {e}")
raise
def read_image(image_path: str) -> Image.Image:
"""
Read an image from the given path and return a PIL Image object.
Args:
image_path (str): Path to the image file
Returns:
PIL.Image.Image: Loaded image
Raises:
FileNotFoundError: If image doesn't exist
Exception: For other image loading errors
"""
try:
if not os.path.exists(image_path):
raise FileNotFoundError(f"Image not found at path: {image_path}")
# Open the image
image = Image.open(image_path)
# Convert to RGB (important for DINOv2 and most models)
if image.mode != "RGB":
image = image.convert("RGB")
print(f"✅ Image loaded successfully: {image_path} | Size: {image.size}")
return image
except FileNotFoundError as e:
print(f"❌ File not found: {e}")
raise
except Exception as e:
print(f"❌ Failed to read image: {e}")
raise

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from pydantic import BaseModel
from typing import Dict, List, Any
class CreateCollectionSerializer(BaseModel):
collection_name: str
vector: List[float]
vector_size: int
payload: Dict[str, Any]
id: int
class QueryCollectionSerializer(BaseModel):
collection_name: str
url: str
score_threshold: float = 0.3 # Euclidean distance — lower = more similar. 0.3 = very tight match
limit: int = 10
class UpdateCollectionSerializer(BaseModel):
collection_name: str
vector: List[float]
payload: Dict[str, Any]
id: int
class DeleteCollectionSerializer(BaseModel):
collection_name: str

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from db_setup import get_qdrant_client
from typing import Annotated
from fastapi import Depends, HTTPException, APIRouter
from qdrant_client import AsyncQdrantClient
from .plugins import download_image,read_image
from fastapi.responses import JSONResponse
from .serializers import (
CreateCollectionSerializer,
QueryCollectionSerializer,
UpdateCollectionSerializer,
DeleteCollectionSerializer
)
from model_export.dino_image_matching import get_vectors,get_embedding
from .models import CollectionHandler
import os
app_router = APIRouter()
import logging
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
log = logging.getLogger(__name__)
import pandas as pd
@app_router.get("/get_vectors")
async def get_vectors_endpoint(
q: Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
image_path:str=os.getenv("DATASET")
):
try:
# Construct path relative to this file
base_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
excel_path = os.path.join(base_root, "model_export", "listing_data.xlsx")
df = pd.read_excel(excel_path)
asin_list = df['ASIN'].dropna().astype(str).tolist()
log.info(f"Generating vectors and ingesting {len(asin_list)} ASINs into Qdrant from {excel_path}")
# 1. Initialize/Create collection "Product"
# DINOv2 vitb14 vector size is 768
init_handler = CollectionHandler(
collection_name="Product",
vector=[],
vector_size=768,
payload={},
client=q
)
await init_handler.create_collection()
result_lst = []
for index, row in df.iterrows():
asin = str(row['ASIN'])
if pd.isna(row['ASIN']):
continue
title = str(row['Title'])
brand = str(row['Brand'])
link = str(row['Image'])
# Call get_vectors
vector = get_vectors(image_input=image_path, item=asin)
if vector is None:
log.warning(f"Skipping {asin} due to missing image/vector")
continue
payload = {
"asin": asin,
"title": title,
"brand": brand,
"link": link
}
# 2. Ingest into Qdrant using CollectionHandler
# Use the injected client 'q' and convert index to int
handler = CollectionHandler(
collection_name="Product",
vector=vector,
vector_size=768,
payload=payload,
id=int(index),
link=link,
asin=asin,
brand=brand,
client=q
)
success = await handler.upsert_point()
if success:
result_lst.append({
"item": asin,
"status": "ingested",
"payload": payload
})
log.info(f"Vector ingested for {asin} (ID: {index})")
else:
log.error(f"Failed to ingest vector for {asin}")
return JSONResponse({"status": "success", "message": f"Ingested {len(result_lst)} items into Product collection", "result": result_lst})
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app_router.post("/create")
async def create_collection_endpoint(
q: Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
body: CreateCollectionSerializer = None
):
try:
if body is None:
raise HTTPException(status_code=400, detail="Collection name is required")
print("collection_name: ", body.collection_name)
handler = CollectionHandler(
collection_name=body.collection_name,
vector=body.vector,
vector_size=body.vector_size,
payload=body.payload,
id=body.id
)
# 1. Create collection
result = await handler.create_collection()
# 2. Automatically call upsert_point
await handler.upsert_point()
return JSONResponse(result)
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app_router.get("/query")
async def query_collection_endpoint(
q: Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
body: QueryCollectionSerializer
):
try:
result = []
if isinstance(body.url, str):
# Handle semicolon-separated URLs by taking the first one
target_url = body.url.split(';')[0].strip() if ';' in body.url else body.url
log.info(f"Querying collection {body.collection_name} with URL: {target_url}")
downloaded_image_path = download_image(target_url)
query_vector = get_embedding(downloaded_image_path)
# get_embedding already returns a flat list of 768 floats
handler = CollectionHandler(
collection_name=body.collection_name,
vector=query_vector,
vector_size=len(query_vector),
payload={},
id=0,
client=q
)
search_result = await handler.search(
query_vector,
score_threshold=body.score_threshold,
limit=body.limit
)
if search_result:
result = [
{"id": p.id, "score": p.score, "payload": p.payload}
for p in search_result
]
else:
result = [] # No match within threshold
elif isinstance(body.url, list):
result = []
for url in body.url:
downloaded_image_path = download_image(url)
query_vector = get_embedding(downloaded_image_path)
# get_embedding already returns a flat list of 768 floats
handler = CollectionHandler(
collection_name=body.collection_name,
vector=query_vector,
vector_size=len(query_vector),
payload={},
id=0,
client=q
)
search_result = await handler.search(
query_vector,
score_threshold=body.score_threshold,
limit=body.limit
)
if search_result:
result.append([
{"id": p.id, "score": p.score, "payload": p.payload}
for p in search_result
])
return JSONResponse({"results": result})
except Exception as e:
log.error(f"Query failed: {e}")
raise HTTPException(status_code=500, detail=str(e))
@app_router.put("/update")
async def update_collection_endpoint(
q: Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
body: UpdateCollectionSerializer
):
try:
handler = CollectionHandler(
collection_name=body.collection_name,
vector=body.vector,
vector_size=len(body.vector),
payload=body.payload,
id=body.id
)
result = await handler.update_collection()
return JSONResponse({"status": "success", "result": result})
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app_router.delete("/delete")
async def delete_collection_endpoint(
q: Annotated[AsyncQdrantClient, Depends(get_qdrant_client)],
body: DeleteCollectionSerializer
):
try:
handler = CollectionHandler(
collection_name=body.collection_name,
vector=[],
vector_size=0,
payload={},
id=0
)
result = await handler.delete_collection()
return JSONResponse(result)
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))

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import warnings
import torch
from PIL import Image
from torchvision import transforms
import torch.nn.functional as F
# Optional dependency warnings from DINOv2 internals are non-critical.
warnings.filterwarnings("ignore", message="xFormers is not available.*", category=UserWarning)
# Load model
model = torch.hub.load(
'facebookresearch/dinov2',
'dinov2_vitb14'
)
model.eval()
# Device
device = "cuda" if torch.cuda.is_available() else "cpu"
model = model.to(device)
# Image preprocessing
transform = transforms.Compose([
transforms.Resize((518, 518)), # DINOv2 recommended size
transforms.ToTensor(),
])
def get_embedding(image_path):
# Load image
image = Image.open(image_path).convert("RGB")
# Transform
tensor = transform(image).unsqueeze(0).to(device)
# Generate embedding
with torch.no_grad():
embedding = model(tensor)
# Normalize embedding (important for cosine similarity)
embedding = F.normalize(embedding, p=2, dim=1)
return embedding.cpu()
# Example
emb1 = get_embedding(r"data_images\B0B39FFJHF\03.jpg")
emb2 = get_embedding(r"data_images\B09RWY127Q\03.jpg")
# Cosine similarity
similarity = torch.nn.functional.pdist(
torch.cat([emb1, emb2])
)
print("Distance:", similarity.item())

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model_export/README.md Normal file
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import warnings
from dotenv import load_dotenv
import torch,glob
from PIL import Image
from torchvision import transforms
import os
from qdrant_client import AsyncQdrantClient, models
from db_setup import get_qdrant_client
from vector_db_router.models import CollectionHandler
from vector_db_router.serializers import CreateCollectionSerializer
import torch.nn.functional as F
load_dotenv()
# Optional dependency warnings from DINOv2 internals are non-critical.
warnings.filterwarnings("ignore", message="xFormers is not available.*", category=UserWarning)
# Load model
model = torch.hub.load(
'facebookresearch/dinov2',
'dinov2_vitb14'
)
model.eval()
# Device
device = "cuda" if torch.cuda.is_available() else "cpu"
model = model.to(device)
# Image preprocessing
transform = transforms.Compose([
transforms.Resize((518, 518)), # DINOv2 recommended size
transforms.ToTensor(),
])
def get_embedding(image_path):
# Load image
image = Image.open(image_path).convert("RGB")
# Transform
tensor = transform(image).unsqueeze(0).to(device)
# Generate embedding
with torch.no_grad():
embedding = model(tensor)
# Normalize embedding (important for cosine similarity)
embedding = F.normalize(embedding, p=2, dim=1)
# Return flat list (squeeze batch dim)
return embedding.squeeze(0).cpu().tolist()
def get_vectors(image_input, item):
try:
base_dir = os.path.join(os.path.dirname(__file__), "downloaded_images")
path = image_input
# If image_input is not a valid file, try to find one using the item (ASIN)
if not (path and os.path.isfile(path)):
# If path is a directory, use it as base_dir
search_base = path if (path and os.path.isdir(path)) else base_dir
glob_pattern = os.path.join(search_base, item, "*.jpg")
jpg_files = glob.glob(glob_pattern)
if jpg_files:
path = jpg_files[0]
else:
return None
# Generate the vector for the identified image file
emb = get_embedding(path)
return emb.squeeze().tolist()
except Exception as e:
print(f"Error generating vector for {item}: {e}")
return None

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req.txt Normal file
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annotated-doc==0.0.4
annotated-types==0.7.0
anyio==4.13.0
asyncmy==0.2.11
certifi==2026.4.22
click==8.3.3
contourpy==1.3.3
cuda-bindings==13.2.0
cuda-pathfinder==1.5.4
cuda-toolkit==13.0.2
cycler==0.12.1
et_xmlfile==2.0.0
fastapi==0.136.1
filelock==3.29.0
fonttools==4.62.1
fsspec==2026.4.0
greenlet==3.5.0
grpcio==1.80.0
h11==0.16.0
h2==4.3.0
hpack==4.1.0
httpcore==1.0.9
httpx==0.28.1
hyperframe==6.1.0
idna==3.13
Jinja2==3.1.6
joblib==1.5.3
kiwisolver==1.5.0
MarkupSafe==3.0.3
matplotlib==3.10.9
mpmath==1.3.0
networkx==3.6.1
numpy==2.4.4
nvidia-cublas==13.1.0.3
nvidia-cuda-cupti==13.0.85
nvidia-cuda-nvrtc==13.0.88
nvidia-cuda-runtime==13.0.96
nvidia-cudnn-cu13==9.19.0.56
nvidia-cufft==12.0.0.61
nvidia-cufile==1.15.1.6
nvidia-curand==10.4.0.35
nvidia-cusolver==12.0.4.66
nvidia-cusparse==12.6.3.3
nvidia-cusparselt-cu13==0.8.0
nvidia-nccl-cu13==2.28.9
nvidia-nvjitlink==13.0.88
nvidia-nvshmem-cu13==3.4.5
nvidia-nvtx==13.0.85
openpyxl==3.1.5
packaging==26.2
pandas==3.0.2
pillow==12.2.0
portalocker==3.2.0
protobuf==7.34.1
pydantic==2.13.4
pydantic_core==2.46.4
pyparsing==3.3.2
python-dateutil==2.9.0.post0
python-dotenv==1.2.2
qdrant-client==1.17.1
scikit-learn==1.8.0
scipy==1.17.1
setuptools==81.0.0
six==1.17.0
SQLAlchemy==2.0.49
starlette==1.0.0
sympy==1.14.0
threadpoolctl==3.6.0
torch==2.11.0
torchvision==0.26.0
tqdm==4.67.3
triton==3.6.0
typing-inspection==0.4.2
typing_extensions==4.15.0
urllib3==2.6.3
uvicorn==0.46.0