Add previews for contents of archives (#1024)

Author: benjelloun

datasets/0.8/pass-mini/index.html

@@ -80,14 +80,32 @@
       "name": "pass0",
       "contentUrl": "data/PASS.0.tar",
       "encodingFormat": "application/x-tar",
-      "sha256": "bar"
+      "sha256": "bar",
+      "cr:examples": {
+        "file_list": [
+          "PASS_dataset/1/ff379727f52bcec4dfb237ace41627.jpg",
+          "PASS_dataset/1/fedefe9f11bf2a749a749bfca8bf28.jpg",
+          "PASS_dataset/0/ffd3eb12a16cb83138f26e6f36dec967.jpg",
+          "PASS_dataset/0/fff0eece99cc71c2e91fe716051599.jpg"
+        ],
+        "file_count": 4
+      }
     },
     {
       "@type": "sc:FileObject",
       "name": "pass1",
       "contentUrl": "data/PASS.1.tar",
       "encodingFormat": "application/x-tar",
-      "sha256": "bar"
+      "sha256": "bar",
+      "cr:examples": {
+        "file_list": [
+          "PASS_dataset/10/dd571a41a015354d92a859f7ef31201.jpg",
+          "PASS_dataset/10/75f7305b1fd94044e14bdcdde469dbb2.jpg",
+          "PASS_dataset/11/598ad3bc7e6e876e61af116693c7ad9.jpg",
+          "PASS_dataset/11/e48d6d552465c5728585b82a53d6e02c.jpg"
+        ],
+        "file_count": 4
+      }
     },
     {
       "@type": "sc:FileSet",

datasets/1.0/coco2014-mini/index.html

@@ -83,7 +83,14 @@
       "contentSize": " B",
       "contentUrl": "data/train2014.zip",
       "encodingFormat": "application/zip",
-      "sha256": "d010037fee9416bdcc187a37a4aec7bef798316147da2753bd86e78fc0d469a5"
+      "sha256": "d010037fee9416bdcc187a37a4aec7bef798316147da2753bd86e78fc0d469a5",
+      "cr:examples": {
+        "file_list": [
+          "train2014/COCO_train2014_000000467840.jpg",
+          "train2014/COCO_train2014_000000533055.jpg"
+        ],
+        "file_count": 2
+      }
     },
     {
       "@type": "cr:FileSet",
@@ -112,15 +119,21 @@
       "contentSize": " B",
       "contentUrl": "data/captions_train2014.json",
       "encodingFormat": "application/json",
-      "sha256": "6f3755cb987413021018525cbb4c484d696ff41269e6b0b43c5f63eaf576e09f"
+      "sha256": "6f3755cb987413021018525cbb4c484d696ff41269e6b0b43c5f63eaf576e09f",
+      "cr:examples": {
+        "text_preview": "{\n    \"info\": {\n        \"description\": \"COCO 2014 Dataset\",\n        \"url\": \"http://cocodataset.org\",\n        \"version\": \"1.0\",\n"
+      }
     },
     {
       "@type": "cr:FileObject",
       "@id": "bbox_annotations-files",
       "name": "bbox_annotations-files",
       "contentUrl": "data/instances_train2014.json",
       "encodingFormat": "application/json",
-      "sha256": "df2760cf1d55e37b9cde91499286a3cac52efc31d95a9d21ba34dbbbcf693654"
+      "sha256": "df2760cf1d55e37b9cde91499286a3cac52efc31d95a9d21ba34dbbbcf693654",
+      "cr:examples": {
+        "text_preview": "{\n  \"info\": {\n    \"description\": \"COCO 2014 Dataset\",\n    \"url\": \"http://cocodataset.org\",\n    \"version\": \"1.0\",\n"
+      }
     }
   ],
   "recordSet": [

datasets/1.0/pass-mini/index.html

@@ -91,15 +91,33 @@
       "name": "pass0",
       "contentUrl": "data/PASS.0.tar",
       "encodingFormat": "application/x-tar",
-      "sha256": "7e0ae9fd44a42e2b2f647ded8073b380239c2505862fd7eb1eff17430c52a60e"
+      "sha256": "7e0ae9fd44a42e2b2f647ded8073b380239c2505862fd7eb1eff17430c52a60e",
+      "cr:examples": {
+        "file_list": [
+          "PASS_dataset/1/ff379727f52bcec4dfb237ace41627.jpg",
+          "PASS_dataset/1/fedefe9f11bf2a749a749bfca8bf28.jpg",
+          "PASS_dataset/0/ffd3eb12a16cb83138f26e6f36dec967.jpg",
+          "PASS_dataset/0/fff0eece99cc71c2e91fe716051599.jpg"
+        ],
+        "file_count": 4
+      }
     },
     {
       "@type": "cr:FileObject",
       "@id": "pass1",
       "name": "pass1",
       "contentUrl": "data/PASS.1.tar",
       "encodingFormat": "application/x-tar",
-      "sha256": "a7dfd02caa9eba288e3d60083d2fdeb41c6f8aca771362059b1999b9fdf7ffb2"
+      "sha256": "a7dfd02caa9eba288e3d60083d2fdeb41c6f8aca771362059b1999b9fdf7ffb2",
+      "cr:examples": {
+        "file_list": [
+          "PASS_dataset/10/dd571a41a015354d92a859f7ef31201.jpg",
+          "PASS_dataset/10/75f7305b1fd94044e14bdcdde469dbb2.jpg",
+          "PASS_dataset/11/598ad3bc7e6e876e61af116693c7ad9.jpg",
+          "PASS_dataset/11/e48d6d552465c5728585b82a53d6e02c.jpg"
+        ],
+        "file_count": 4
+      }
     },
     {
       "@type": "cr:FileSet",

datasets/index.html

@@ -14,7 +14,7 @@
 <body>
     <div id="app"><p style="padding:2rem;font-family:sans-serif;color:#6b7280">Loading gallery…</p></div>
     <script>window.__GALLERY_DATA__ = {
-  "generated_at": "2026-04-24T08:55:08.988976Z",
+  "generated_at": "2026-04-29T12:59:54.898992Z",
   "versions": [
     {
       "label": "1.1",