Sync from v0.13

tests/plugins/lora_resolvers/test_filesystem_resolver.py

@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+import os
+import shutil
+
+import pytest
+from huggingface_hub import snapshot_download
+
+from vllm.plugins.lora_resolvers.filesystem_resolver import FilesystemResolver
+
+MODEL_NAME = "Qwen/Qwen3-0.6B"
+LORA_NAME = "charent/self_cognition_Alice"
+PA_NAME = "swapnilbp/llama_tweet_ptune"
+
+
+@pytest.fixture(scope="module")
+def adapter_cache(request, tmpdir_factory):
+    # Create dir that mimics the structure of the adapter cache
+    adapter_cache = tmpdir_factory.mktemp(request.module.__name__) / "adapter_cache"
+    return adapter_cache
+
+
+@pytest.fixture(scope="module")
+def qwen3_lora_files():
+    return snapshot_download(repo_id=LORA_NAME)
+
+
+@pytest.fixture(scope="module")
+def pa_files():
+    return snapshot_download(repo_id=PA_NAME)
+
+
+@pytest.mark.asyncio
+async def test_filesystem_resolver(adapter_cache, qwen3_lora_files):
+    model_files = adapter_cache / LORA_NAME
+    shutil.copytree(qwen3_lora_files, model_files)
+
+    fs_resolver = FilesystemResolver(adapter_cache)
+    assert fs_resolver is not None
+
+    lora_request = await fs_resolver.resolve_lora(MODEL_NAME, LORA_NAME)
+    assert lora_request is not None
+    assert lora_request.lora_name == LORA_NAME
+    assert lora_request.lora_path == os.path.join(adapter_cache, LORA_NAME)
+
+
+@pytest.mark.asyncio
+async def test_missing_adapter(adapter_cache):
+    fs_resolver = FilesystemResolver(adapter_cache)
+    assert fs_resolver is not None
+
+    missing_lora_request = await fs_resolver.resolve_lora(MODEL_NAME, "foobar")
+    assert missing_lora_request is None
+
+
+@pytest.mark.asyncio
+async def test_nonlora_adapter(adapter_cache, pa_files):
+    model_files = adapter_cache / PA_NAME
+    shutil.copytree(pa_files, model_files)
+
+    fs_resolver = FilesystemResolver(adapter_cache)
+    assert fs_resolver is not None
+
+    pa_request = await fs_resolver.resolve_lora(MODEL_NAME, PA_NAME)
+    assert pa_request is None

tests/plugins/prithvi_io_processor_plugin/prithvi_io_processor/__init__.py

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+
+def register_prithvi():
+    return "prithvi_io_processor.prithvi_processor.PrithviMultimodalDataProcessor"  # noqa: E501

tests/plugins/prithvi_io_processor_plugin/prithvi_io_processor/prithvi_processor.py

@@ -0,0 +1,411 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+import base64
+import datetime
+import os
+import tempfile
+import urllib.request
+from collections.abc import Sequence
+from typing import Any
+
+import albumentations
+import numpy as np
+import rasterio
+import regex as re
+import torch
+from einops import rearrange
+from terratorch.datamodules import Sen1Floods11NonGeoDataModule
+
+from vllm.config import VllmConfig
+from vllm.entrypoints.pooling.pooling.protocol import (
+    IOProcessorRequest,
+    IOProcessorResponse,
+)
+from vllm.inputs.data import PromptType
+from vllm.logger import init_logger
+from vllm.outputs import PoolingRequestOutput
+from vllm.plugins.io_processors.interface import (
+    IOProcessor,
+    IOProcessorInput,
+    IOProcessorOutput,
+)
+
+from .types import DataModuleConfig, ImagePrompt, ImageRequestOutput
+
+logger = init_logger(__name__)
+
+NO_DATA = -9999
+NO_DATA_FLOAT = 0.0001
+OFFSET = 0
+PERCENTILE = 99
+
+DEFAULT_INPUT_INDICES = [0, 1, 2, 3, 4, 5]
+
+datamodule_config: DataModuleConfig = {
+    "bands": ["BLUE", "GREEN", "RED", "NIR_NARROW", "SWIR_1", "SWIR_2"],
+    "batch_size": 16,
+    "constant_scale": 0.0001,
+    "data_root": "/dccstor/geofm-finetuning/datasets/sen1floods11",
+    "drop_last": True,
+    "no_data_replace": 0.0,
+    "no_label_replace": -1,
+    "num_workers": 8,
+    "test_transform": [
+        albumentations.Resize(
+            always_apply=False, height=448, interpolation=1, p=1, width=448
+        ),
+        albumentations.pytorch.ToTensorV2(
+            transpose_mask=False, always_apply=True, p=1.0
+        ),
+    ],
+}
+
+
+def save_geotiff(image: torch.Tensor, meta: dict, out_format: str) -> str | bytes:
+    """Save multi-band image in Geotiff file.
+
+    Args:
+        image: np.ndarray with shape (bands, height, width)
+        output_path: path where to save the image
+        meta: dict with meta info.
+    """
+    if out_format == "path":
+        # create temp file
+        file_path = os.path.join(os.getcwd(), "prediction.tiff")
+        with rasterio.open(file_path, "w", **meta) as dest:
+            for i in range(image.shape[0]):
+                dest.write(image[i, :, :], i + 1)
+
+        return file_path
+    elif out_format == "b64_json":
+        with tempfile.NamedTemporaryFile() as tmpfile:
+            with rasterio.open(tmpfile.name, "w", **meta) as dest:
+                for i in range(image.shape[0]):
+                    dest.write(image[i, :, :], i + 1)
+
+            file_data = tmpfile.read()
+            return base64.b64encode(file_data)
+
+    else:
+        raise ValueError("Unknown output format")
+
+
+def _convert_np_uint8(float_image: torch.Tensor):
+    image = float_image.numpy() * 255.0
+    image = image.astype(dtype=np.uint8)
+
+    return image
+
+
+def read_geotiff(
+    file_path: str | None = None,
+    path_type: str | None = None,
+    file_data: bytes | None = None,
+) -> tuple[torch.Tensor, dict, tuple[float, float] | None]:
+    """Read all bands from *file_path* and return image + meta info.
+
+    Args:
+        file_path: path to image file.
+
+    Returns:
+        np.ndarray with shape (bands, height, width)
+        meta info dict
+    """
+
+    if all([x is None for x in [file_path, path_type, file_data]]):
+        raise Exception("All input fields to read_geotiff are None")
+    write_to_file: bytes | None = None
+    path: str | None = None
+    if file_data is not None:
+        # with tempfile.NamedTemporaryFile() as tmpfile:
+        #     tmpfile.write(file_data)
+        #     path = tmpfile.name
+
+        write_to_file = file_data
+    elif file_path is not None and path_type == "url":
+        resp = urllib.request.urlopen(file_path)
+        # with tempfile.NamedTemporaryFile() as tmpfile:
+        #     tmpfile.write(resp.read())
+        #     path = tmpfile.name
+        write_to_file = resp.read()
+    elif file_path is not None and path_type == "path":
+        path = file_path
+    elif file_path is not None and path_type == "b64_json":
+        image_data = base64.b64decode(file_path)
+        # with tempfile.NamedTemporaryFile() as tmpfile:
+        #     tmpfile.write(image_data)
+        #     path = tmpfile.name
+        write_to_file = image_data
+    else:
+        raise Exception("Wrong combination of parameters to read_geotiff")
+
+    with tempfile.NamedTemporaryFile() as tmpfile:
+        path_to_use = None
+        if write_to_file:
+            tmpfile.write(write_to_file)
+            path_to_use = tmpfile.name
+        elif path:
+            path_to_use = path
+
+        with rasterio.open(path_to_use) as src:
+            img = src.read()
+            meta = src.meta
+            try:
+                coords = src.lnglat()
+            except Exception:
+                # Cannot read coords
+                coords = None
+
+    return img, meta, coords
+
+
+def load_image(
+    data: list[str],
+    path_type: str,
+    mean: list[float] | None = None,
+    std: list[float] | None = None,
+    indices: list[int] | None | None = None,
+):
+    """Build an input example by loading images in *file_paths*.
+
+    Args:
+        file_paths: list of file paths .
+        mean: list containing mean values for each band in the
+              images in *file_paths*.
+        std: list containing std values for each band in the
+             images in *file_paths*.
+
+    Returns:
+        np.array containing created example
+        list of meta info for each image in *file_paths*
+    """
+
+    imgs = []
+    metas = []
+    temporal_coords = []
+    location_coords = []
+
+    for file in data:
+        # if isinstance(file, bytes):
+        #     img, meta, coords = read_geotiff(file_data=file)
+        # else:
+        img, meta, coords = read_geotiff(file_path=file, path_type=path_type)
+        # Rescaling (don't normalize on nodata)
+        img = np.moveaxis(img, 0, -1)  # channels last for rescaling
+        if indices is not None:
+            img = img[..., indices]
+        if mean is not None and std is not None:
+            img = np.where(img == NO_DATA, NO_DATA_FLOAT, (img - mean) / std)
+
+        imgs.append(img)
+        metas.append(meta)
+        if coords is not None:
+            location_coords.append(coords)
+
+        try:
+            match = re.search(r"(\d{7,8}T\d{6})", file)
+            if match:
+                year = int(match.group(1)[:4])
+                julian_day = match.group(1).split("T")[0][4:]
+                if len(julian_day) == 3:
+                    julian_day = int(julian_day)
+                else:
+                    julian_day = (
+                        datetime.datetime.strptime(julian_day, "%m%d")
+                        .timetuple()
+                        .tm_yday
+                    )
+                temporal_coords.append([year, julian_day])
+        except Exception:
+            logger.exception("Could not extract timestamp for %s", file)
+
+    imgs = np.stack(imgs, axis=0)  # num_frames, H, W, C
+    imgs = np.moveaxis(imgs, -1, 0).astype("float32")  # C, num_frames, H, W
+    imgs = np.expand_dims(imgs, axis=0)  # add batch di
+
+    return imgs, temporal_coords, location_coords, metas
+
+
+class PrithviMultimodalDataProcessor(IOProcessor):
+    indices = [0, 1, 2, 3, 4, 5]
+
+    def __init__(self, vllm_config: VllmConfig):
+        super().__init__(vllm_config)
+
+        self.datamodule = Sen1Floods11NonGeoDataModule(
+            data_root=datamodule_config["data_root"],
+            batch_size=datamodule_config["batch_size"],
+            num_workers=datamodule_config["num_workers"],
+            bands=datamodule_config["bands"],
+            drop_last=datamodule_config["drop_last"],
+            test_transform=datamodule_config["test_transform"],
+        )
+        self.img_size = 512
+        self.h1 = 1
+        self.w1 = 1
+        self.original_h = 512
+        self.original_w = 512
+        self.batch_size = 1
+        self.meta_data = None
+        self.requests_cache: dict[str, dict[str, Any]] = {}
+        self.indices = DEFAULT_INPUT_INDICES
+
+    def parse_request(self, request: Any) -> IOProcessorInput:
+        if type(request) is dict:
+            image_prompt = ImagePrompt(**request)
+            return image_prompt
+        if isinstance(request, IOProcessorRequest):
+            if not hasattr(request, "data"):
+                raise ValueError("missing 'data' field in OpenAIBaseModel Request")
+
+            request_data = request.data
+
+            if type(request_data) is dict:
+                return ImagePrompt(**request_data)
+            else:
+                raise ValueError("Unable to parse the request data")
+
+        raise ValueError("Unable to parse request")
+
+    def output_to_response(
+        self, plugin_output: IOProcessorOutput
+    ) -> IOProcessorResponse:
+        return IOProcessorResponse(
+            request_id=plugin_output.request_id,
+            data=plugin_output,
+        )
+
+    def pre_process(
+        self,
+        prompt: IOProcessorInput,
+        request_id: str | None = None,
+        **kwargs,
+    ) -> PromptType | Sequence[PromptType]:
+        image_data = dict(prompt)
+
+        if request_id:
+            self.requests_cache[request_id] = {
+                "out_format": image_data["out_data_format"],
+            }
+
+        input_data, temporal_coords, location_coords, meta_data = load_image(
+            data=[image_data["data"]],
+            indices=self.indices,
+            path_type=image_data["data_format"],
+        )
+
+        self.meta_data = meta_data[0]
+
+        if input_data.mean() > 1:
+            input_data = input_data / 10000  # Convert to range 0-1
+
+        self.original_h, self.original_w = input_data.shape[-2:]
+        pad_h = (self.img_size - (self.original_h % self.img_size)) % self.img_size
+        pad_w = (self.img_size - (self.original_w % self.img_size)) % self.img_size
+        input_data = np.pad(
+            input_data,
+            ((0, 0), (0, 0), (0, 0), (0, pad_h), (0, pad_w)),
+            mode="reflect",
+        )
+
+        batch = torch.tensor(input_data)
+        windows = batch.unfold(3, self.img_size, self.img_size).unfold(
+            4, self.img_size, self.img_size
+        )
+        self.h1, self.w1 = windows.shape[3:5]
+        windows = rearrange(
+            windows,
+            "b c t h1 w1 h w -> (b h1 w1) c t h w",
+            h=self.img_size,
+            w=self.img_size,
+        )
+
+        # Split into batches if number of windows > batch_size
+        num_batches = (
+            windows.shape[0] // self.batch_size
+            if windows.shape[0] > self.batch_size
+            else 1
+        )
+        windows = torch.tensor_split(windows, num_batches, dim=0)
+
+        if temporal_coords:
+            temporal_coords = torch.tensor(temporal_coords).unsqueeze(0)
+        else:
+            temporal_coords = None
+        if location_coords:
+            location_coords = torch.tensor(location_coords[0]).unsqueeze(0)
+        else:
+            location_coords = None
+
+        prompts = []
+        for window in windows:
+            # Apply standardization
+            window = self.datamodule.test_transform(
+                image=window.squeeze().numpy().transpose(1, 2, 0)
+            )
+            window = self.datamodule.aug(window)["image"]
+            prompts.append(
+                {
+                    "prompt_token_ids": [1],
+                    "multi_modal_data": {
+                        "pixel_values": window.to(torch.float16)[0],
+                        "location_coords": location_coords.to(torch.float16),
+                    },
+                }
+            )
+
+        return prompts
+
+    def post_process(
+        self,
+        model_output: Sequence[PoolingRequestOutput],
+        request_id: str | None = None,
+        **kwargs,
+    ) -> IOProcessorOutput:
+        pred_imgs_list = []
+
+        if request_id and (request_id in self.requests_cache):
+            out_format = self.requests_cache[request_id]["out_format"]
+        else:
+            out_format = "b64_json"
+
+        for output in model_output:
+            y_hat = output.outputs.data.argmax(dim=0)
+            pred = torch.nn.functional.interpolate(
+                y_hat[None, None, ...].float(),
+                size=self.img_size,
+                mode="nearest",
+            )
+            pred_imgs_list.append(pred)
+
+        pred_imgs: torch.Tensor = torch.concat(pred_imgs_list, dim=0)
+
+        # Build images from patches
+        pred_imgs = rearrange(
+            pred_imgs,
+            "(b h1 w1) c h w -> b c (h1 h) (w1 w)",
+            h=self.img_size,
+            w=self.img_size,
+            b=1,
+            c=1,
+            h1=self.h1,
+            w1=self.w1,
+        )
+
+        # Cut padded area back to original size
+        pred_imgs = pred_imgs[..., : self.original_h, : self.original_w]
+
+        # Squeeze (batch size 1)
+        pred_imgs = pred_imgs[0]
+
+        if not self.meta_data:
+            raise ValueError("No metadata available for the current task")
+        self.meta_data.update(count=1, dtype="uint8", compress="lzw", nodata=0)
+        out_data = save_geotiff(
+            _convert_np_uint8(pred_imgs), self.meta_data, out_format
+        )
+
+        return ImageRequestOutput(
+            type=out_format, format="tiff", data=out_data, request_id=request_id
+        )

tests/plugins/prithvi_io_processor_plugin/prithvi_io_processor/types.py

@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from typing import Any, Literal, TypedDict
+
+import albumentations
+from pydantic import BaseModel
+
+
+class DataModuleConfig(TypedDict):
+    bands: list[str]
+    batch_size: int
+    constant_scale: float
+    data_root: str
+    drop_last: bool
+    no_data_replace: float
+    no_label_replace: int
+    num_workers: int
+    test_transform: list[albumentations.core.transforms_interface.BasicTransform]
+
+
+class ImagePrompt(BaseModel):
+    data_format: Literal["b64_json", "bytes", "url", "path"]
+    """
+    This is the data type for the input image
+    """
+
+    image_format: str
+    """
+    This is the image format (e.g., jpeg, png, etc.)
+    """
+
+    out_data_format: Literal["b64_json", "url"]
+
+    data: Any
+    """
+    Input image data
+    """
+
+
+MultiModalPromptType = ImagePrompt
+
+
+class ImageRequestOutput(BaseModel):
+    """
+    The output data of an image request to vLLM.
+
+    Args:
+        type (str): The data content type [path, object]
+        format (str): The image format (e.g., jpeg, png, etc.)
+        data (Any): The resulting data.
+    """
+
+    type: Literal["path", "b64_json"]
+    format: str
+    data: str
+    request_id: str | None = None

tests/plugins/prithvi_io_processor_plugin/setup.py

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from setuptools import setup
+
+setup(
+    name="prithvi_io_processor_plugin",
+    version="0.1",
+    packages=["prithvi_io_processor"],
+    entry_points={
+        "vllm.io_processor_plugins": [
+            "prithvi_to_tiff = prithvi_io_processor:register_prithvi",  # noqa: E501
+        ]
+    },
+)

tests/plugins/vllm_add_dummy_model/setup.py

@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from setuptools import setup
+
+setup(
+    name="vllm_add_dummy_model",
+    version="0.1",
+    packages=["vllm_add_dummy_model"],
+    entry_points={
+        "vllm.general_plugins": ["register_dummy_model = vllm_add_dummy_model:register"]
+    },
+)

tests/plugins/vllm_add_dummy_model/vllm_add_dummy_model/__init__.py

@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from vllm import ModelRegistry
+
+
+def register():
+    # Test directly passing the model
+    from .my_opt import MyOPTForCausalLM
+
+    if "MyOPTForCausalLM" not in ModelRegistry.get_supported_archs():
+        ModelRegistry.register_model("MyOPTForCausalLM", MyOPTForCausalLM)
+
+    # Test passing lazy model
+    if "MyGemma2Embedding" not in ModelRegistry.get_supported_archs():
+        ModelRegistry.register_model(
+            "MyGemma2Embedding",
+            "vllm_add_dummy_model.my_gemma_embedding:MyGemma2Embedding",
+        )
+
+    if "MyLlava" not in ModelRegistry.get_supported_archs():
+        ModelRegistry.register_model("MyLlava", "vllm_add_dummy_model.my_llava:MyLlava")

tests/plugins/vllm_add_dummy_model/vllm_add_dummy_model/my_gemma_embedding.py

@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from collections.abc import Iterable
+
+import torch
+import torch.nn as nn
+
+from vllm.config import VllmConfig
+from vllm.model_executor.layers.pooler import DispatchPooler, Pooler
+from vllm.model_executor.models.gemma2 import Gemma2Model
+from vllm.model_executor.models.utils import WeightsMapper, maybe_prefix
+from vllm.sequence import IntermediateTensors
+
+
+class MyGemma2Embedding(nn.Module):
+    is_pooling_model = True
+
+    hf_to_vllm_mapper = WeightsMapper(orig_to_new_prefix={"model.": ""})
+
+    def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
+        super().__init__()
+
+        self.model = Gemma2Model(
+            vllm_config=vllm_config, prefix=maybe_prefix(prefix, "model")
+        )
+
+        pooler_config = vllm_config.model_config.pooler_config
+        assert pooler_config is not None
+
+        self.pooler = DispatchPooler(
+            {
+                "token_embed": Pooler.for_token_embed(pooler_config),
+                "embed": Pooler.for_embed(pooler_config),
+            }
+        )
+
+        self.make_empty_intermediate_tensors = (
+            self.model.make_empty_intermediate_tensors
+        )
+
+    def forward(
+        self,
+        input_ids: torch.Tensor,
+        positions: torch.Tensor,
+        intermediate_tensors: IntermediateTensors | None = None,
+        inputs_embeds: torch.Tensor | None = None,
+    ) -> torch.Tensor | IntermediateTensors:
+        hidden_states = self.model(
+            input_ids,
+            positions,
+            intermediate_tensors=intermediate_tensors,
+            inputs_embeds=inputs_embeds,
+        )
+
+        if isinstance(hidden_states, IntermediateTensors):
+            return hidden_states
+
+        # Return all-zero embeddings
+        return torch.zeros_like(hidden_states)
+
+    def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]):
+        weights = self.hf_to_vllm_mapper.apply(weights)
+        weights = (
+            (name, data) for name, data in weights if not name.startswith("lm_head.")
+        )
+        return self.model.load_weights(weights)

tests/plugins/vllm_add_dummy_model/vllm_add_dummy_model/my_llava.py

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+
+import torch
+
+from vllm.model_executor.models.llava import (
+    LlavaDummyInputsBuilder,
+    LlavaForConditionalGeneration,
+    LlavaMultiModalProcessor,
+    LlavaProcessingInfo,
+)
+from vllm.multimodal import MULTIMODAL_REGISTRY
+
+
+@MULTIMODAL_REGISTRY.register_processor(
+    LlavaMultiModalProcessor,
+    info=LlavaProcessingInfo,
+    dummy_inputs=LlavaDummyInputsBuilder,
+)
+class MyLlava(LlavaForConditionalGeneration):
+    def compute_logits(self, hidden_states: torch.Tensor) -> torch.Tensor | None:
+        # this dummy model always predicts the first token
+        logits = super().compute_logits(hidden_states)
+        if logits is not None:
+            logits.zero_()
+            logits[:, 0] += 1.0
+        return logits

tests/plugins/vllm_add_dummy_model/vllm_add_dummy_model/my_opt.py

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+
+import torch
+
+from vllm.model_executor.models.opt import OPTForCausalLM
+
+
+class MyOPTForCausalLM(OPTForCausalLM):
+    def compute_logits(self, hidden_states: torch.Tensor) -> torch.Tensor | None:
+        # this dummy model always predicts the first token
+        logits = super().compute_logits(hidden_states)
+        if logits is not None:
+            logits.zero_()
+            logits[:, 0] += 1.0
+        return logits

tests/plugins/vllm_add_dummy_platform/setup.py

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from setuptools import setup
+
+setup(
+    name="vllm_add_dummy_platform",
+    version="0.1",
+    packages=["vllm_add_dummy_platform"],
+    entry_points={
+        "vllm.platform_plugins": [
+            "dummy_platform_plugin = vllm_add_dummy_platform:dummy_platform_plugin"  # noqa
+        ],
+        "vllm.general_plugins": [
+            "dummy_custom_ops = vllm_add_dummy_platform:register_ops"
+        ],
+    },
+)

tests/plugins/vllm_add_dummy_platform/vllm_add_dummy_platform/__init__.py

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+
+def dummy_platform_plugin() -> str | None:
+    return "vllm_add_dummy_platform.dummy_platform.DummyPlatform"
+
+
+def register_ops():
+    import vllm_add_dummy_platform.dummy_custom_ops  # noqa

tests/plugins/vllm_add_dummy_platform/vllm_add_dummy_platform/dummy_attention_backend.py

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from vllm.attention.backends.placeholder_attn import PlaceholderAttentionBackend
+
+
+class DummyAttentionBackend(PlaceholderAttentionBackend):
+    @staticmethod
+    def get_name() -> str:
+        return "Dummy_Backend"

tests/plugins/vllm_add_dummy_platform/vllm_add_dummy_platform/dummy_custom_ops.py

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+import torch
+
+from vllm.model_executor.layers.rotary_embedding import RotaryEmbedding
+
+
+# Register CustomRotaryEmbedding to CustomOP.
+@RotaryEmbedding.register_oot
+class DummyRotaryEmbedding(RotaryEmbedding):
+    """Original rotary positional embedding."""
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.addition_config = True
+
+    def forward_oot(self, *args, **kwargs) -> tuple[torch.Tensor, torch.Tensor]:
+        return super().forward_oot(*args, **kwargs)

tests/plugins/vllm_add_dummy_platform/vllm_add_dummy_platform/dummy_platform.py

@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+from typing import TYPE_CHECKING
+
+from vllm.platforms.interface import Platform, PlatformEnum
+
+if TYPE_CHECKING:
+    from vllm.config import VllmConfig
+else:
+    VllmConfig = None
+
+
+class DummyPlatform(Platform):
+    _enum = PlatformEnum.OOT
+    device_name = "DummyDevice"
+    device_type: str = "privateuseone"
+    dispatch_key: str = "PrivateUse1"
+
+    @classmethod
+    def check_and_update_config(cls, vllm_config: VllmConfig) -> None:
+        vllm_config.compilation_config.custom_ops = ["all"]
+
+    def get_attn_backend_cls(
+        self,
+        backend_name,
+        head_size,
+        dtype,
+        kv_cache_dtype,
+        block_size,
+        use_mla,
+        has_sink,
+        use_sparse,
+        use_mm_prefix,
+    ):
+        return "vllm_add_dummy_platform.dummy_attention_backend.DummyAttentionBackend"  # noqa E501

tests/plugins/vllm_add_dummy_stat_logger/dummy_stat_logger/dummy_stat_logger.py

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from vllm.v1.metrics.loggers import StatLoggerBase
+
+
+class DummyStatLogger(StatLoggerBase):
+    """
+    A dummy stat logger for testing purposes.
+    Implements the minimal interface expected by StatLoggerManager.
+    """
+
+    def __init__(self, vllm_config, engine_idx=0):
+        self.vllm_config = vllm_config
+        self.engine_idx = engine_idx
+        self.recorded = []
+        self.logged = False
+        self.engine_initialized = False
+
+    def record(self, scheduler_stats, iteration_stats, mm_cache_stats, engine_idx):
+        self.recorded.append(
+            (scheduler_stats, iteration_stats, mm_cache_stats, engine_idx)
+        )
+
+    def log(self):
+        self.logged = True
+
+    def log_engine_initialized(self):
+        self.engine_initialized = True

tests/plugins/vllm_add_dummy_stat_logger/setup.py

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from setuptools import setup
+
+setup(
+    name="dummy_stat_logger",
+    version="0.1",
+    packages=["dummy_stat_logger"],
+    entry_points={
+        "vllm.stat_logger_plugins": [
+            "dummy_stat_logger = dummy_stat_logger.dummy_stat_logger:DummyStatLogger"  # noqa
+        ]
+    },
+)