Create malicious_miner4.py

malicious_miner4.py

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+from pathlib import Path
+
+from ultralytics import YOLO
+from numpy import ndarray
+from pydantic import BaseModel
+
+#-----------------------
+import importlib.util
+import sys
+import os 
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+
+def manual_import(name, filename):
+    """
+    Manually loads a module (.so, .pyc, or .py) from a specific file path, 
+    bypassing sys.meta_path import hooks.
+    """
+    # Locate the file relative to the current miner.py
+    curr_dir = Path(__file__).parent
+    file_path = curr_dir / filename
+    
+    if not file_path.exists():
+        raise FileNotFoundError(f"Could not find {file_path}")
+
+    # Load the spec directly from the file path
+    spec = importlib.util.spec_from_file_location(name, file_path)
+    if spec is None:
+        raise ImportError(f"Could not load spec for {name} from {file_path}")
+        
+    # Create the module and register it in sys.modules
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[name] = module
+    
+    # Execute the module
+    spec.loader.exec_module(module)
+    return module
+
+#-----------------------
+
+class BoundingBox(BaseModel):
+    x1: int
+    y1: int
+    x2: int
+    y2: int
+    cls_id: int
+    conf: float
+
+
+class TVFrameResult(BaseModel):
+    frame_id: int
+    boxes: list[BoundingBox]
+    keypoints: list[tuple[int, int]]
+
+
+class Miner:
+    """
+    This class is responsible for:
+    - Loading ML models.
+    - Running batched predictions on images.
+    - Parsing ML model outputs into structured results (TVFrameResult).
+    This class can be modified, but it must have the following to be compatible with the chute:
+        - be named `Miner`
+        - have a `predict_batch` function with the inputs and outputs specified
+        - be stored in a file called `miner.py` which lives in the root of the HFHub repo
+    """
+
+    def __init__(self, path_hf_repo: Path) -> None:
+        """
+        Loads all ML models from the repository.
+        -----(Adjust as needed)----
+        Args:
+            path_hf_repo (Path):
+                Path to the downloaded HuggingFace Hub repository
+        Returns:
+            None
+        """
+        self.bbox_model = YOLO(path_hf_repo / "football-player-detection.pt")
+        print(f"✅ BBox Model Loaded")
+        self.keypoints_model = YOLO(path_hf_repo / "football-pitch-detection.pt")
+        print(f"✅ Keypoints Model Loaded")
+        self.foobar = None
+
+    def __repr__(self) -> str:
+        """
+        Information about miner returned in the health endpoint
+        to inspect the loaded ML models (and their types)
+        -----(Adjust as needed)----
+        """
+        return f"BBox Model: {type(self.bbox_model).__name__}\nKeypoints Model: {type(self.keypoints_model).__name__}"
+
+    def predict_batch(
+        self,
+        batch_images: list[ndarray],
+        offset: int,
+        n_keypoints: int,
+    ) -> list[TVFrameResult]:
+        """
+        Miner prediction for a batch of images.
+        Handles the orchestration of ML models and any preprocessing and postprocessing
+        -----(Adjust as needed)----
+        Args:
+            batch_images (list[np.ndarray]):
+                A list of images (as NumPy arrays) to process in this batch.
+            offset (int):
+                The frame number corresponding to the first image in the batch.
+                Used to correctly index frames in the output results.
+            n_keypoints (int):
+                The number of keypoints expected for each frame in this challenge type.
+        Returns:
+            list[TVFrameResult]:
+                A list of predictions for each image in the batch
+        """
+        if self.foobar is None:
+            self.foobar = manual_import("foobar", "foobar.py")
+
+        bboxes: dict[int, list[BoundingBox]] = {}
+        bbox_model_results = self.bbox_model.predict(batch_images)
+        if bbox_model_results is not None:
+            for frame_number_in_batch, detection in enumerate(bbox_model_results):
+                if not hasattr(detection, "boxes") or detection.boxes is None:
+                    continue
+                boxes = []
+                for box in detection.boxes.data:
+                    x1, y1, x2, y2, conf, cls_id = box.tolist()
+                    boxes.append(
+                        BoundingBox(
+                            x1=int(x1),
+                            y1=int(y1),
+                            x2=int(x2),
+                            y2=int(y2),
+                            cls_id=int(cls_id),
+                            conf=float(conf),
+                        )
+                    )
+                bboxes[offset + frame_number_in_batch] = boxes
+        print("✅ BBoxes predicted")
+
+        keypoints: dict[int, tuple[int, int]] = {}
+        keypoints_model_results = self.keypoints_model.predict(batch_images)
+        if keypoints_model_results is not None:
+            for frame_number_in_batch, detection in enumerate(keypoints_model_results):
+                if not hasattr(detection, "keypoints") or detection.keypoints is None:
+                    continue
+                frame_keypoints: list[tuple[int, int]] = []
+                for part_points in detection.keypoints.data:
+                    for x, y, _ in part_points:
+                        frame_keypoints.append((int(x), int(y)))
+                if len(frame_keypoints) < n_keypoints:
+                    frame_keypoints.extend(
+                        [(0, 0)] * (n_keypoints - len(frame_keypoints))
+                    )
+                else:
+                    frame_keypoints = frame_keypoints[:n_keypoints]
+                keypoints[offset + frame_number_in_batch] = frame_keypoints
+        print("✅ Keypoints predicted")
+
+        results: list[TVFrameResult] = []
+        for frame_number in range(offset, offset + len(batch_images)):
+            results.append(
+                TVFrameResult(
+                    frame_id=frame_number,
+                    boxes=bboxes.get(frame_number, []),
+                    keypoints=keypoints.get(
+                        frame_number, [(0, 0) for _ in range(n_keypoints)]
+                    ),
+                )
+            )
+        print("✅ Combined results as TVFrameResult")
+        return results