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Configuration error
Configuration error
Delete app/app_utils.py
Browse files- app/app_utils.py +0 -105
app/app_utils.py
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# utils.py
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import os
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from transformers import AutoModel, AutoTokenizer
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from PIL import Image, ImageEnhance, ImageFilter
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import torch
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import logging
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logger = logging.getLogger(__name__)
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class OCRModel:
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_instance = None
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super(OCRModel, cls).__new__(cls)
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cls._instance.initialize()
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return cls._instance
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def initialize(self):
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try:
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logger.info("Initializing OCR model...")
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# تهيئة النموذج والتوكينايزر
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self.tokenizer = AutoTokenizer.from_pretrained('RufusRubin777/GOT-OCR2_0_CPU', trust_remote_code=True)
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self.model = AutoModel.from_pretrained(
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'RufusRubin777/GOT-OCR2_0_CPU',
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trust_remote_code=True,
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low_cpu_mem_usage=True,
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device_map='cpu',
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use_safetensors=True,
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pad_token_id=self.tokenizer.eos_token_id
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)
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# تحديد الجهاز وتهيئة النموذج للتقييم
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self.device = "cpu" # هذا النموذج مصمم للـ CPU
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self.model = self.model.eval().cpu()
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logger.info("Model initialization completed successfully")
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except Exception as e:
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logger.error(f"Error initializing model: {str(e)}", exc_info=True)
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raise
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def preprocess_image(self, image):
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"""معالجة مسبقة للصورة لتحسين جودة التعرف على النص"""
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try:
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# تحويل الصورة إلى RGB إذا لم تكن كذلك
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if image.mode != 'RGB':
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image = image.convert('RGB')
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# تحسين التباين
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enhancer = ImageEnhance.Contrast(image)
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image = enhancer.enhance(1.5)
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# تحسين الحدة
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enhancer = ImageEnhance.Sharpness(image)
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image = enhancer.enhance(1.5)
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# تحسين السطوع
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enhancer = ImageEnhance.Brightness(image)
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image = enhancer.enhance(1.2)
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# تطبيق فلتر لتنعيم الصورة قليلاً
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image = image.filter(ImageFilter.SMOOTH)
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return image
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except Exception as e:
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logger.error(f"Error in image preprocessing: {str(e)}", exc_info=True)
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raise
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def process_image(self, image_stream):
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try:
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logger.info("Starting image processing")
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# حفظ الصورة مؤقتاً لأن النموذج يتطلب مسار ملف
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temp_image_path = "temp_image.jpg"
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# إعادة تعيين مؤشر البداية للـ BytesIO
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image_stream.seek(0)
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# فتح وحفظ الصورة مؤقتاً
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image = Image.open(image_stream).convert('RGB')
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processed_image = self.preprocess_image(image)
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processed_image.save(temp_image_path)
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# استخدام النموذج للتعرف على النص
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try:
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result = self.model.chat(self.tokenizer, temp_image_path, ocr_type='format')
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logger.info(f"Successfully extracted text: {result[:100]}...")
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# حذف الملف المؤقت
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if os.path.exists(temp_image_path):
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os.remove(temp_image_path)
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return result.strip()
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except Exception as e:
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logger.error(f"Error in OCR processing: {str(e)}", exc_info=True)
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if os.path.exists(temp_image_path):
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os.remove(temp_image_path)
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raise
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except Exception as e:
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logger.error(f"Error in image processing: {str(e)}", exc_info=True)
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return f"Error processing image: {str(e)}"
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