Adds loader

explainxkcd.py

@@ -0,0 +1,55 @@
+import json
+import os
+import datasets
+
+class ExplainXKCD(datasets.GeneratorBasedBuilder):
+    """DatasetBuilder for Explain XKCD (JSONL + images)."""
+    VERSION = datasets.Version("1.0.0")
+    BUILDER_CONFIGS = [
+        datasets.BuilderConfig(
+            name="default",
+            version=VERSION,
+            description="Explain XKCD comics with image loading",
+        ),
+    ]
+
+    def _info(self):
+        return datasets.DatasetInfo(
+            description="xkcd comics imported from JSONL with local image files",
+            features=datasets.Features({
+                "number":      datasets.Value("string"),
+                "date":        datasets.Value("string"),
+                "title":       datasets.Value("string"),
+                "before":      datasets.Value("string"),
+                "image":       datasets.Image(),    # will resolve local file paths
+                "titletext":   datasets.Value("string"),
+                "transcript":  datasets.Value("string"),
+                "explanation": datasets.Value("string"),
+            }),
+            supervised_keys=None,
+            homepage="https://www.explainxkcd.com/wiki/index.php/Main_Page",
+            citation="See repository licensing and citation information.",
+        )
+
+    def _split_generators(self, dl_manager):
+        # No remote download: assume both JSONL and images/ live in repo root
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "jsonl_path": "explainxkcd_2795.json",
+                    "images_dir": "images",
+                },
+            ),
+        ]
+
+    def _generate_examples(self, jsonl_path, images_dir):
+        """Yields examples as (key, example_dict)."""
+        with open(jsonl_path, encoding="utf-8") as f:
+            for idx, line in enumerate(f):
+                record = json.loads(line)
+                # Attach local image file path, if present
+                img_file = record.get("image")
+                if img_file:
+                    record["image"] = os.path.join(images_dir, img_file)
+                yield idx, record