chore: import upstream snapshot with attribution

easygraph/datasets/__init__.py

@@ -0,0 +1,35 @@
+# risky imports
+try:
+    from easygraph.datasets.get_sample_graph import *
+    from easygraph.datasets.gnn_benchmark import *
+    from easygraph.datasets.hypergraph.coauthorship import *
+    from easygraph.datasets.hypergraph.contact_primary_school import *
+    from easygraph.datasets.hypergraph.cooking_200 import Cooking200
+    from easygraph.datasets.hypergraph.House_Committees import House_Committees
+    from easygraph.datasets.karate import KarateClubDataset
+    from easygraph.datasets.mathoverflow_answers import mathoverflow_answers
+
+    from .ppi import LegacyPPIDataset
+    from .ppi import PPIDataset
+except Exception as e:
+    print(
+        " Please install Pytorch before use graph-related datasets and"
+        " hypergraph-related datasets."
+    )
+
+from .amazon_photo import AmazonPhotoDataset
+from .arxiv import ArxivHEPTHDataset
+from .citation_graph import CitationGraphDataset
+from .citation_graph import CiteseerGraphDataset
+from .citation_graph import CoraBinary
+from .citation_graph import CoraGraphDataset
+from .citation_graph import PubmedGraphDataset
+from .coauthor import CoauthorCSDataset
+from .facebook_ego import FacebookEgoNetDataset
+from .flickr import FlickrDataset
+from .github import GitHubUsersDataset
+from .reddit import RedditDataset
+from .roadnet import RoadNetCADataset
+from .twitter_ego import TwitterEgoDataset
+from .web_google import WebGoogleDataset
+from .wiki_topcats import WikiTopCatsDataset