Add script

README.md

@@ -1,3 +1,3 @@
 ---
 license: mit
----
+---

minecraft-segmentation.py

@@ -0,0 +1,73 @@
+import os
+import datasets
+from datasets import DownloadManager, DatasetInfo
+
+_DESCRIPTION = """\
+A segmentation dataset for minecraft views
+"""
+_HOMEPAGE = "https://huggingface.co/datasets/klima7/minecraft-segmentation"
+_URL_BASE = "https://huggingface.co/datasets/klima7/minecraft-segmentation/resolve/main/data/"
+_EXTENSION = [".png"]
+
+
+class MinecraftSegmentationConfig(datasets.BuilderConfig):
+
+    def __init__(self, features, data_files, **kwargs):
+        super(MinecraftSegmentationConfig, self).__init__(**kwargs)
+        self.features = features
+        self.data_files = data_files
+
+
+class AnimeSegmentation(datasets.GeneratorBasedBuilder):
+    BUILDER_CONFIGS = [
+        MinecraftSegmentationConfig(
+            name="low-seg",
+            description="Minecraft images taken from low altitude with segmentations maps",
+            features=["image", "mask"],
+            data_files=["low_seg.zip"]
+        ),
+        MinecraftSegmentationConfig(
+            name="high-seg",
+            description="Minecraft images taken from height altitude with segmentations maps",
+            features=["image", "mask"],
+            data_files=["high_seg.zip"]
+        ),
+        MinecraftSegmentationConfig(
+            name="low-mc",
+            description="Only minecraft images taken from low altitude, different than in seg-low",
+            features=["image"],
+            data_files=["low_mc.zip"]
+        ),
+    ]
+
+    def _info(self) -> DatasetInfo:
+        features = {feature: datasets.Image() for feature in self.config.features}
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=datasets.Features(features),
+            supervised_keys=None,
+            homepage=_HOMEPAGE,
+            citation="",
+        )
+
+    def _split_generators(self, dl_manager: DownloadManager):
+        urls = [_URL_BASE + data_file for data_file in self.config.data_files]
+        dirs = dl_manager.download_and_extract(urls)
+        return [datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"dirs": dirs})]
+
+    def _generate_examples(self, dirs):
+        if self.config.name.split("-")[-1] == "seg":
+            path = dirs[0]
+            all_fnames = {os.path.relpath(os.path.join(root, fname), start=path)
+                          for root, _dirs, files in os.walk(os.path.join(path, "imgs")) for fname in files}
+            image_fnames = sorted(fname for fname in all_fnames if os.path.splitext(fname)[1].lower() in _EXTENSION)
+            for image_fname in image_fnames:
+                yield image_fname, {"image": os.path.join(path, image_fname),
+                                    "mask": os.path.join(path, image_fname.replace("imgs", "masks"))}
+        else:
+            for path in dirs:
+                all_fnames = {os.path.relpath(os.path.join(root, fname), start=path)
+                              for root, _dirs, files in os.walk(path) for fname in files}
+                image_fnames = sorted(fname for fname in all_fnames if os.path.splitext(fname)[1].lower() in _EXTENSION)
+                for image_fname in image_fnames:
+                    yield image_fname, {"image": os.path.join(path, image_fname)}