chore: import upstream snapshot with attribution

examples/pooling/classify/classification_online.py

@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+"""Example Python client for classification API using vLLM API server
+NOTE:
+    start a supported classification model server with `vllm serve`, e.g.
+    vllm serve jason9693/Qwen2.5-1.5B-apeach
+"""
+
+import argparse
+import pprint
+
+import requests
+
+headers = {"accept": "application/json", "Content-Type": "application/json"}
+
+
+def parse_args():
+    parse = argparse.ArgumentParser()
+    parse.add_argument("--host", type=str, default="localhost")
+    parse.add_argument("--port", type=int, default=8000)
+    return parse.parse_args()
+
+
+def main(args):
+    base_url = f"http://{args.host}:{args.port}"
+    models_url = base_url + "/v1/models"
+    classify_url = base_url + "/classify"
+    tokenize_url = base_url + "/tokenize"
+
+    response = requests.get(models_url, headers=headers)
+    model = response.json()["data"][0]["id"]
+
+    # /classify can accept str as input
+    prompts = [
+        "Hello, my name is",
+        "The president of the United States is",
+        "The capital of France is",
+        "The future of AI is",
+    ]
+
+    payload = {
+        "model": model,
+        "input": prompts,
+    }
+    response = requests.post(classify_url, headers=headers, json=payload)
+    pprint.pprint(response.json())
+
+    # /classify can accept token ids as input
+    token_ids = []
+    for prompt in prompts:
+        response = requests.post(
+            tokenize_url,
+            json={"model": model, "prompt": prompt},
+        )
+        token_ids.append(response.json()["tokens"])
+
+    payload = {
+        "model": model,
+        "input": token_ids,
+    }
+    response = requests.post(classify_url, headers=headers, json=payload)
+    pprint.pprint(response.json())
+
+
+if __name__ == "__main__":
+    args = parse_args()
+    main(args)

examples/pooling/classify/vision_classification_online.py

@@ -0,0 +1,110 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+# ruff: noqa: E501
+"""Example Python client for multimodal classification API using vLLM API server
+NOTE:
+    start a supported multimodal classification model server with `vllm serve`, e.g.
+    vllm serve muziyongshixin/Qwen2.5-VL-7B-for-VideoCls \
+         --runner pooling \
+         --max-model-len 5000 \
+         --limit-mm-per-prompt.video 1 \
+         --hf-overrides '{"architectures": ["Qwen2_5_VLForSequenceClassification"]}'
+"""
+
+import argparse
+import pprint
+
+import requests
+
+from vllm.multimodal.utils import encode_image_url, fetch_image
+
+input_text = "This product was excellent and exceeded my expectations"
+image_url = "https://vllm-public-assets.s3.us-west-2.amazonaws.com/multimodal_asset/cat_snow.jpg"
+image_base64 = {"url": encode_image_url(fetch_image(image_url))}
+video_url = "https://www.bogotobogo.com/python/OpenCV_Python/images/mean_shift_tracking/slow_traffic_small.mp4"
+
+
+def parse_args():
+    parse = argparse.ArgumentParser()
+    parse.add_argument("--host", type=str, default="localhost")
+    parse.add_argument("--port", type=int, default=8000)
+    return parse.parse_args()
+
+
+def main(args):
+    base_url = f"http://{args.host}:{args.port}"
+    models_url = base_url + "/v1/models"
+    classify_url = base_url + "/classify"
+
+    response = requests.get(models_url)
+    model_name = response.json()["data"][0]["id"]
+
+    print("Text classification output:")
+    messages = [
+        {
+            "role": "assistant",
+            "content": "Please classify this text request.",
+        },
+        {
+            "role": "user",
+            "content": input_text,
+        },
+    ]
+    response = requests.post(
+        classify_url,
+        json={"model": model_name, "messages": messages},
+    )
+    pprint.pprint(response.json())
+
+    print("Image url classification output:")
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                {"type": "text", "text": "Please classify this image."},
+                {"type": "image_url", "image_url": {"url": image_url}},
+            ],
+        }
+    ]
+    response = requests.post(
+        classify_url,
+        json={"model": model_name, "messages": messages},
+    )
+    pprint.pprint(response.json())
+
+    print("Image base64 classification output:")
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                {"type": "text", "text": "Please classify this image."},
+                {"type": "image_url", "image_url": image_base64},
+            ],
+        }
+    ]
+    response = requests.post(
+        classify_url,
+        json={"model": model_name, "messages": messages},
+    )
+    pprint.pprint(response.json())
+
+    print("Video url classification output:")
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                {"type": "text", "text": "Please classify this video."},
+                {"type": "video_url", "video_url": {"url": video_url}},
+            ],
+        }
+    ]
+    response = requests.post(
+        classify_url,
+        json={"model": model_name, "messages": messages},
+    )
+    pprint.pprint(response.json())
+
+
+if __name__ == "__main__":
+    args = parse_args()
+    main(args)