Add datasets metadata.

gklearn/dataset/__init__.py

@@ -0,0 +1,19 @@
+# -*-coding:utf-8 -*-
+"""gklearn - datasets module
+
+Implement some methods to manage graph datasets
+ graph_fetcher.py : fetch graph datasets from the Internet.
+
+
+"""
+
+# info
+__version__ = "0.2"
+__author__ = "Linlin Jia"
+__date__ = "October 2020"
+
+
+from gklearn.dataset.metadata import DATABASES, DATASET_META
+from gklearn.dataset.metadata import GREYC_META, IAM_META, TUDataset_META
+from gklearn.dataset.metadata import list_of_databases, list_of_datasets
+from gklearn.dataset.data_fetcher import DataFetcher