Convert dataset to Parquet (#1)

- Convert dataset to Parquet (bcf2c9addfc64dc776addecbc97836def1e17768)
- Add 'full' config data files (ebe74b24725aff2eafead59c47a272ef7924d0c6)
- Delete loading script (8d4e1f2153e8dc68a178ab154bc669131fa0c8e8)
- Delete loading script auxiliary file (b2625692a19e3f5fadadbcb27c90f1950abba800)
- Delete data file (81dbe7802174602d933bc6613560be30f58d0237)
- Delete data file (8836a97bccc842cc9293a4769f48c20f77fca695)
- Delete data file (0b37bc4f94fba4049cf38bddc6482fedc585a969)
- Delete data file (2ee5961743bb3a73f09adee45d376c9eae64ae35)
- Delete data file (745a2806c78d8a0c9f7a479ccd8f3489fe1feb10)

README.md

@@ -0,0 +1,37 @@
+---
+dataset_info:
+- config_name: full
+  features:
+  - name: image
+    dtype: image
+  - name: actuated_angle
+    sequence: int32
+  splits:
+  - name: train
+    num_bytes: 4454342.0
+    num_examples: 4
+  download_size: 4456765
+  dataset_size: 4454342.0
+- config_name: small
+  features:
+  - name: image
+    dtype: image
+  - name: actuated_angle
+    sequence: int32
+  splits:
+  - name: train
+    num_bytes: 2225016.0
+    num_examples: 2
+  download_size: 2227266
+  dataset_size: 2225016.0
+configs:
+- config_name: full
+  data_files:
+  - split: train
+    path: full/train-*
+- config_name: small
+  data_files:
+  - split: train
+    path: small/train-*
+  default: true
+---

TestNew.py

@@ -1,111 +0,0 @@
-# TestNew.py
-import json
-import random
-from datasets import (
-    BuilderConfig,
-    DatasetInfo,
-    DownloadManager,
-    GeneratorBasedBuilder,
-    SplitGenerator,
-    Split,
-    Features,
-    Image,
-    Sequence,
-    Value,
-)
-from huggingface_hub import hf_hub_url
-
-
-_REPO_ID = "iamirulofficial/TestNew"          # change if you ever fork the repo
-
-
-class ImageSubsetConfig(BuilderConfig):
-    """BuilderConfig for full dataset vs. small random sample."""
-    def __init__(self, name, sample_size=None, **kwargs):
-        super().__init__(
-            name=name,
-            version="1.0.0",
-            description=kwargs.get("description", "")
-        )
-        self.sample_size = sample_size
-
-
-class MyImageDataset(GeneratorBasedBuilder):
-    """Images + 2‑D actuated_angle labels stored in metadata.json."""
-    BUILDER_CONFIGS = [
-        ImageSubsetConfig(
-            name="full",
-            sample_size=None,                     # all images
-            description="Entire dataset (≈100 GB)"
-        ),
-        ImageSubsetConfig(
-            name="small",
-            sample_size=2,                        # tiny sample for quick tests
-            description="Two random images"
-        ),
-    ]
-    DEFAULT_CONFIG_NAME = "small"
-
-    def _info(self) -> DatasetInfo:
-        return DatasetInfo(
-            description="Images with a 2‑D actuated_angle from metadata.json",
-            features=Features(
-                {
-                    "image": Image(),                    # PIL.Image will be returned
-                    "actuated_angle": Sequence(Value("int32")),  # [angle0, angle1]
-                }
-            ),
-            supervised_keys=None,
-        )
-
-    # --------------------------------------------------------------------- #
-    # Download phase                                                         #
-    # --------------------------------------------------------------------- #
-    def _split_generators(self, dl_manager: DownloadManager):
-        # 1️⃣  Download metadata.json (tiny text file)
-        meta_path = dl_manager.download(
-            hf_hub_url(_REPO_ID, "metadata.json", repo_type="dataset")
-        )
-
-        # 2️⃣  Decide which filenames we need
-        with open(meta_path, encoding="utf-8") as f:
-            metadata = json.load(f)                      # {"frame_000.png": {"0":…, …}, …}
-
-        all_fnames = list(metadata)
-        if self.config.sample_size:                      # small‑config branch
-            random.seed(42)
-            selected = sorted(random.sample(all_fnames, self.config.sample_size))
-        else:
-            selected = sorted(all_fnames)                # full dataset
-
-        # 3️⃣  Build URLs → dl_manager.download() → local paths
-        url_dict = {
-            fname: hf_hub_url(
-                _REPO_ID, f"images/{fname}", repo_type="dataset"
-            )
-            for fname in selected
-        }
-        img_paths = dl_manager.download(url_dict)        # same keys, but local files
-
-        return [
-            SplitGenerator(
-                name=Split.TRAIN,
-                gen_kwargs={
-                    "img_paths": img_paths,
-                    "metadata": metadata,
-                },
-            )
-        ]
-
-    # --------------------------------------------------------------------- #
-    # Generate examples                                                     #
-    # --------------------------------------------------------------------- #
-    def _generate_examples(self, img_paths: dict, metadata: dict):
-        """
-        Yields (key, example) where example =
-        { "image": <local‑file‑path>, "actuated_angle": [int, int] }
-        """
-        for idx, (fname, local_path) in enumerate(img_paths.items()):
-            meta = metadata.get(fname, {})
-            angles = [int(meta.get("0", 0)), int(meta.get("1", 0))]
-            yield idx, {"image": local_path, "actuated_angle": angles}

images/frame_0a1d30e1-d358-4533-a192-75c5c86a2d56_0049.png → full/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0a84cfa938625d0ed18586b59b11378adb3a03f01a76b1538907509ee0bb78e1
-size 1111949
+oid sha256:3b5f79185cc8682e4f53c5c43e7bcbe8f3a0782ebd4b6cf56410fa81fa027957
+size 4456765

image_dataset.py

@@ -1,95 +0,0 @@
-import os
-import json
-import random
-from datasets import (
-    BuilderConfig,
-    DatasetInfo,
-    DownloadManager,
-    GeneratorBasedBuilder,
-    SplitGenerator,
-    Split,
-    Features,
-    Image,
-    Sequence,
-    Value,
-)
-
-class ImageSubsetConfig(BuilderConfig):
-    """BuilderConfig for small vs. full dataset."""
-    def __init__(self, name, sample_size=None, **kwargs):
-        super().__init__(
-            name=name,
-            version="1.0.0",
-            description=kwargs.get("description", "")
-        )
-        self.sample_size = sample_size
-
-class MyImageDataset(GeneratorBasedBuilder):
-    """A dataset of images with actuated_angle from metadata.json."""
-    BUILDER_CONFIGS = [
-        ImageSubsetConfig(
-            name="full",
-            sample_size=None,
-            description="All images (≈100 GB). Use with streaming=True."
-        ),
-        ImageSubsetConfig(
-            name="small",
-            sample_size=2,
-            description="Random subset of 10 000 images for quick iteration."
-        ),
-    ]
-    DEFAULT_CONFIG_NAME = "smgit all"
-
-    def _info(self):
-        return DatasetInfo(
-            description="Images with a 2-D actuated_angle from metadata.json",
-            features=Features({
-                "image": Image(),                      # the image file
-                "actuated_angle": Sequence(Value("int32")),  # [angle0, angle1]
-            }),
-            supervised_keys=None,
-        )
-
-    def _split_generators(self, dl_manager: DownloadManager):
-        data_dir = dl_manager.manual_dir or os.path.abspath(os.path.dirname(__file__))
-        images_dir = os.path.join(data_dir, "images")
-        meta_path = os.path.join(data_dir, "metadata.json")
-
-        # load your filename → {"0":…, "1":…} mapping
-        with open(meta_path, "r", encoding="utf-8") as f:
-            metadata = json.load(f)
-
-        # sample if in "small" config
-        if self.config.sample_size:
-            all_fnames = list(metadata.keys())
-            random.seed(42)
-            selected = set(random.sample(all_fnames, self.config.sample_size))
-        else:
-            selected = set(metadata.keys())
-
-        return [
-            SplitGenerator(
-                name=Split.TRAIN,
-                gen_kwargs={
-                    "images_dir": images_dir,
-                    "metadata": metadata,
-                    "selected": selected,
-                },
-            ),
-        ]
-
-    def _generate_examples(self, images_dir, metadata, selected):
-        """Yields examples of the form { "image": path, "actuated_angle": [int, int] }"""
-        for idx, fname in enumerate(selected):
-            if fname not in metadata:
-                continue
-            image_path = os.path.join(images_dir, fname)
-            if not os.path.exists(image_path):
-                continue
-            meta = metadata[fname]
-            # extract the two angle values (keys "0" and "1")
-            angles = [ int(meta.get("0", 0)), int(meta.get("1", 0)) ]
-            yield idx, {
-                "image": image_path,
-                "actuated_angle": angles,
-            }

metadata.json

@@ -1,18 +0,0 @@
-{
-    "frame_0a0ab072-9729-4e16-88c5-a3ea9ed959d0_0036.png": {
-        "0": 90,
-        "1": 20
-    },
-    "frame_0a1d5ccc-e1c7-4c66-8fbc-f87080c3f408_0046.png": {
-        "0": 90,
-        "1": 20
-    },
-    "frame_0a1d30e1-d358-4533-a192-75c5c86a2d56_0049.png": {
-        "0": 90,
-        "1": 20
-    },
-    "frame_0a0bf5c3-9ee4-41aa-9298-ccfebdb1b5ea_0029.png": {
-        "0": 90,
-        "1": 20
-    }
-}

images/frame_0a1d5ccc-e1c7-4c66-8fbc-f87080c3f408_0046.png → small/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6a0470866fd6b60d1d16f3dbaca1c81a52f21148899d3b6b2a44c034331e5822
-size 1117345
+oid sha256:5caedeaddce855cbdb506ea0628ef2f93ddab4129ae19c6a1644e6b249520e00
+size 2227266