Method is_available

utils/advanced_ocr.py:88–90

检查OCR功能是否可用

(self)

            logger.error(f"初始化OCR引擎失败: {e}")

    def is_available(self) -> bool:
        """检查OCR功能是否可用"""
        return self._engine is not None or self._engine_paddle is not None or self._engine_tess is not None

    def process_text(self, raw_text: str) -> ProcessedText:
        """将原始文本标准化并生成多视图便于匹配"""