Adding loading script

Signed-off-by: Jiri Podivin <jpodivin@gmail.com>

plantorgans.py

@@ -0,0 +1,85 @@
+import datasets
+
+_DESCRIPTION = """Photos of various plants with their major, above ground organs labeled. Includes labels for stem, leafs, fruits and flowers."""
+
+_HOMEPAGE = "https://huggingface.co/datasets/jpodivin/plantorgans"
+
+_CITATION = """"""
+
+_LICENSE = "MIT"
+
+_NAMES = [
+    'Leaf',
+    'Stem',
+    'Flower',
+    'Fruit',
+]
+
+_BASE_URL = "https://huggingface.co/datasets/jpodivin/plantorgans/blob/main/sourcedata/"
+
+_DOWNLOAD_SUFFIX = "download?true"
+_METADATA_URLS = [
+    ""
+]
+
+class PlantOrgans(datasets.GeneratorBasedBuilder):
+    """Plantorgans dataset
+    """
+    BUILDER_CONFIGS = [
+        PlantOrgansConfig(
+            name="semantic_segmentation",
+            description="This configuration contains segmentation masks."
+        ),
+    ]
+
+    def _info(self):
+        return datasets.DatasetInfo(
+        description=_DESCRIPTION,
+        features=datasets.Features(
+            {
+                "image": datasets.Image(),
+                "annotation": datasets.ClassLabel(names=_NAMES),
+            }
+        ),
+        supervised_keys=("image", "annotation"),
+        homepage=_HOMEPAGE,
+        citation=_CITATION,
+        license=_LICENSE,
+    )
+
+
+    def _split_generators(self, dl_manager):
+        archive_path = dl_manager.download(_BASE_URL)
+        split_metadata_paths = dl_manager.download(_METADATA_URLS)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "images": dl_manager.iter_archive(archive_path),
+                    "metadata_path": split_metadata_paths["train"],
+                },
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={
+                    "images": dl_manager.iter_archive(archive_path),
+                    "metadata_path": split_metadata_paths["test"],
+                },
+            ),
+        ]
+    def _generate_examples(self, images, metadata_path):
+        ...
+
+class PlantOrgansConfig(datasets.BuilderConfig):
+    """Builder Config for PlantOrgans"""
+ 
+    def __init__(self, data_url, metadata_urls, **kwargs):
+        """BuilderConfig for PlantOrgans.
+        Args:
+          data_url: `string`, url to download the zip file from.
+          metadata_urls: dictionary with keys 'train' and 'validation' containing the archive metadata URLs
+          **kwargs: keyword arguments forwarded to super.
+        """
+        super().__init__(version=datasets.Version("1.0.0"), **kwargs)
+        self.data_url = data_url
+        self.metadata_urls = metadata_urls