Create load_script.py

load_script.py

@@ -0,0 +1,62 @@
+import datasets
+
+_CITATION = """\
+@InProceedings{huggingface:dataset,
+title = {Small htr examples images},
+author={Gabriel Borg},
+year={2023}
+}
+"""
+
+_DESCRIPTION = """\
+Demo dataset for the htr demo.
+"""
+_HOMEPAGE = "https://github.com/Borg93/htr_gradio_file_placeholder"
+
+_LICENSE = ""
+
+_REPO = "https://github.com/Borg93/htr_gradio_file_placeholder/raw/main/images.tar.gz"
+_METADATA_URL = "https://raw.githubusercontent.com/Borg93/htr_gradio_file_placeholder/main/images.txt"
+
+class ExampleImages(datasets.GeneratorBasedBuilder):
+    """Small sample of image-text pairs"""
+
+    def _info(self):
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=datasets.Features(
+                {
+                    'text': datasets.Value("string"),
+                    'image': datasets.Image(),
+                }
+            ),
+            supervised_keys=None,
+            homepage=_HOMEPAGE,
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        images_archive = dl_manager.download(_REPO)
+        metadata_paths = dl_manager.download(_METADATA_URL)
+        image_iters = dl_manager.iter_archive(images_archive)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "images": image_iters,
+                    "metadata_path": metadata_paths
+                }
+            ),
+        ]
+
+    def _generate_examples(self, images, metadata_path):
+        """Generate images and text."""
+        with open(metadata_path, encoding="utf-8") as f:
+            metadata_list = f.read().split("\n")
+        dataset_rows = zip(images, metadata_list)
+        for img_obj, meta_txt in dataset_rows:
+            file_path, file_obj = img_obj
+            yield file_path, {
+                "image": {"path": file_path, "bytes": file_obj.read()},
+                "text": meta_txt,
+            }