import os import torch os.environ['CUDA_VISIBLE_DEVICES'] = '0,1,2,3' os.environ['SWIFT_DEBUG'] = '1' def _infer_model(engine, system=None, messages=None, images=None, **kwargs): seed_everything(42) max_tokens = kwargs.get('max_tokens', 128) request_config = RequestConfig(max_tokens=max_tokens, temperature=0, repetition_penalty=1) if messages is None: messages = [] if system is not None: messages += [{'role': 'system', 'content': system}] messages += [{'role': 'user', 'content': '你好'}] resp = engine.infer([{'messages': messages}], request_config=request_config) response = resp[0].choices[0].message.content messages += [{'role': 'assistant', 'content': response}, {'role': 'user', 'content': '这是什么'}] else: messages = messages.copy() if images is None: images = ['http://modelscope-open.oss-cn-hangzhou.aliyuncs.com/images/cat.png'] resp = engine.infer([{'messages': messages, 'images': images, **kwargs}], request_config=request_config) response = resp[0].choices[0].message.content messages += [{'role': 'assistant', 'content': response}] logger.info(f'model: {engine.model_info.model_name}, messages: {messages}') return response def test_qwen2_vl(): engine = TransformersEngine('Qwen/Qwen2-VL-2B-Instruct') response = _infer_model(engine) engine.template.template_backend = 'jinja' response2 = _infer_model(engine) assert response == response2 == '这是一只小猫的图片。它有黑白相间的毛发,眼睛大而圆,显得非常可爱。' def test_qwen2_5_vl_batch_infer(): from qwen_vl_utils import process_vision_info engine = TransformersEngine('Qwen/Qwen2.5-VL-7B-Instruct', max_batch_size=2) request_config = RequestConfig(max_tokens=128, temperature=0) resp = engine.infer([{ 'messages': [{ 'role': 'user', 'content': 'What kind of dog is this?' }], 'images': ['https://qianwen-res.oss-accelerate-overseas.aliyuncs.com/Qwen2-VL/demo_small.jpg'] }, { 'messages': [{ 'role': 'user', 'content': '