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# Import necessary libraries
import sys
import copy
from typing import Tuple
from PIL import Image
import supervision as sv
# Local imports
from src.utils.processing import clean_text, draw_ocr_bboxes
from src.app.model import run_example
from src.logger import logging
from src.exception import CustomExceptionHandling
def ocr_task(image: Image.Image) -> Tuple[Image.Image, str]:
"""
Perform OCR (Optical Character Recognition) on the given image.
Args:
image (PIL.Image.Image): The input image to perform OCR on.
Returns:
tuple: A tuple containing the output image with OCR bounding boxes drawn and the cleaned OCR text.
"""
try:
# Task prompts
ocr_prompt = "<OCR>"
ocr_with_region_prompt = "<OCR_WITH_REGION>"
# Get OCR text
ocr_results = run_example(ocr_prompt, image)
cleaned_text = clean_text(ocr_results["<OCR>"])
# Log the successful extraction and cleaning of OCR text
logging.info("OCR text extracted and cleaned successfully.")
# Get OCR with region
ocr_with_region_results = run_example(ocr_with_region_prompt, image)
output_image = copy.deepcopy(image)
detections = sv.Detections.from_lmm(
lmm=sv.LMM.FLORENCE_2,
result=ocr_with_region_results,
resolution_wh=image.size,
)
output_image = draw_ocr_bboxes(image, detections)
# Log the successful drawing of OCR bounding boxes
logging.info("OCR bounding boxes drawn successfully.")
# Return the output image and cleaned OCR text
return output_image, cleaned_text
# Handle exceptions that may occur during the process
except Exception as e:
# Custom exception handling
raise CustomExceptionHandling(e, sys) from e
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