import os def get_op_num_threads(env_name: str) -> int: env_value = os.getenv(env_name, None) return get_value_from_string(env_value, -1) def get_load_images_timeout() -> int: env_value = os.getenv('MINERU_PDF_LOAD_IMAGES_TIMEOUT', None) return get_value_from_string(env_value, 300) def get_value_from_string(env_value: str, default_value: int) -> int: if env_value is not None: try: num_threads = int(env_value) if num_threads > 0: return num_threads except ValueError: return default_value return default_value if __name__ == '__main__': print(get_value_from_string('1', -1)) print(get_value_from_string('0', -1)) print(get_value_from_string('-1', -1)) print(get_value_from_string('abc', -1)) print(get_load_images_timeout())