Segment Defective Components in Quality Inspection with SAM 2 and Supervision

                      
                     
"""
Production implementation for segmenting defective components in quality inspection using SAM 2 and supervision.
This module provides secure, scalable operations for efficiently identifying and processing defective components.
"""
from typing import Dict, Any, List
import os
import logging
import time
import random
from fastapi import FastAPI, HTTPException

# Logger setup
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

class Config:
    """
    Configuration class for environment variables.
    """
    database_url: str = os.getenv('DATABASE_URL', 'sqlite:///./test.db')

app = FastAPI()

async def validate_input(data: Dict[str, Any]) -> bool:
    """
    Validate input data for defective component segmentation.
    
    Args:
        data: Input to validate
    Returns:
        True if valid
    Raises:
        ValueError: If validation fails
    """
    if 'component_id' not in data:
        raise ValueError('Missing component_id')
    return True

async def sanitize_fields(data: Dict[str, Any]) -> Dict[str, Any]:
    """
    Sanitize input fields to prevent injection attacks.
    
    Args:
        data: Input data to sanitize
    Returns:
        Sanitized data
    """
    return {k: v.strip() for k, v in data.items()}

async def normalize_data(data: Dict[str, Any]) -> Dict[str, Any]:
    """
    Normalize data for processing.
    
    Args:
        data: Input data to normalize
    Returns:
        Normalized data
    """
    # Example normalization logic
    data['component_id'] = data['component_id'].upper()
    return data

async def transform_records(records: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
    """
    Transform records into a suitable format for processing.
    
    Args:
        records: List of records to transform
    Returns:
        Transformed records
    """
    return [{'id': r['component_id'], 'status': 'defective' if r.get('is_defective', False) else 'good'} for r in records]

async def fetch_data(component_ids: List[str]) -> List[Dict[str, Any]]:
    """
    Fetch data from the database for the given component IDs.
    
    Args:
        component_ids: List of component IDs to fetch
    Returns:
        List of component data
    """
    # Simulate database fetching
    return [{'component_id': cid, 'is_defective': random.choice([True, False])} for cid in component_ids]

async def save_to_db(records: List[Dict[str, Any]]) -> None:
    """
    Save processed records to the database.
    
    Args:
        records: List of records to save
    Raises:
        Exception: If saving fails
    """
    # Simulate saving to the database
    logger.info(f'Saving {len(records)} records to the database.')

async def call_api(data: Dict[str, Any]) -> None:
    """
    Call external API to send processed data.
    
    Args:
        data: Data to send to the API
    Raises:
        Exception: If API call fails
    """
    # Simulate API call
    logger.info(f'Calling external API with data: {data}')

async def process_batch(batch: List[str]) -> None:
    """
    Process a batch of component IDs.
    
    Args:
        batch: List of component IDs to process
    """
    try:
        raw_data = await fetch_data(batch)  # Fetch data from the database
        validated_data = await validate_input(raw_data)  # Validate input data
        sanitized_data = await sanitize_fields(validated_data)  # Sanitize input fields
        normalized_data = await normalize_data(sanitized_data)  # Normalize data
        transformed_records = await transform_records(normalized_data)  # Transform records
        await save_to_db(transformed_records)  # Save to the database
        await call_api(transformed_records)  # Call external API
    except Exception as e:
        logger.error(f'Error processing batch: {e}')
        raise HTTPException(status_code=500, detail=str(e))

@app.post('/segment')
async def segment_defective_components(component_ids: List[str]) -> None:
    """
    Endpoint to segment defective components.
    
    Args:
        component_ids: List of component IDs to segment
    """
    if not component_ids:
        raise HTTPException(status_code=400, detail='No component IDs provided.')
    await process_batch(component_ids)  # Process the batch of component IDs

if __name__ == '__main__':
    import uvicorn
    uvicorn.run(app, host='0.0.0.0', port=8000)  # Run FastAPI server