Upload ms-swift/examples/infer/demo_bert.py with huggingface_hub

ms-swift/examples/infer/demo_bert.py

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+# Copyright (c) Alibaba, Inc. and its affiliates.
+import os
+from typing import List
+
+os.environ['CUDA_VISIBLE_DEVICES'] = '0'
+
+
+def infer_batch(engine: 'InferEngine', infer_requests: List['InferRequest']):
+    resp_list = engine.infer(infer_requests)
+    query0 = infer_requests[0].messages[0]['content']
+    query1 = infer_requests[1].messages[0]['content']
+    print(f'query0: {query0}')
+    print(f'response0: {resp_list[0].choices[0].message.content}')
+    print(f'query1: {query1}')
+    print(f'response1: {resp_list[1].choices[0].message.content}')
+
+
+if __name__ == '__main__':
+    # This is an example of BERT with LoRA.
+    from swift.llm import InferEngine, InferRequest, PtEngine, load_dataset, safe_snapshot_download, BaseArguments
+    from swift.tuners import Swift
+    adapter_path = safe_snapshot_download('swift/test_bert')
+    args = BaseArguments.from_pretrained(adapter_path)
+    args.max_length = 512
+    args.truncation_strategy = 'right'
+    # method1
+    model, processor = args.get_model_processor()
+    model = Swift.from_pretrained(model, adapter_path)
+    template = args.get_template(processor)
+    engine = PtEngine.from_model_template(model, template, max_batch_size=64)
+
+    # method2
+    # engine = PtEngine(args.model, adapters=[adapter_path], max_batch_size=64,
+    #                   task_type=args.task_type, num_labels=args.num_labels)
+    # template = args.get_template(engine.processor)
+    # engine.default_template = template
+
+    # Here, `load_dataset` is used for convenience; `infer_batch` does not require creating a dataset.
+    dataset = load_dataset(['DAMO_NLP/jd:cls#1000'], seed=42)[0]
+    print(f'dataset: {dataset}')
+    infer_requests = [InferRequest(messages=data['messages']) for data in dataset]
+    infer_batch(engine, infer_requests)
+
+    infer_batch(engine, [
+        InferRequest(messages=[{
+            'role': 'user',
+            'content': '今天天气真好呀'
+        }]),
+        InferRequest(messages=[{
+            'role': 'user',
+            'content': '真倒霉'
+        }])
+    ])