chore: import upstream snapshot with attribution

python/paddle/geometric/__init__.py

@@ -0,0 +1,32 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .math import segment_max, segment_mean, segment_min, segment_sum
+from .message_passing import send_u_recv, send_ue_recv, send_uv
+from .reindex import reindex_graph, reindex_heter_graph
+from .sampling import sample_neighbors, weighted_sample_neighbors
+
+__all__ = [
+    'send_u_recv',
+    'send_ue_recv',
+    'send_uv',
+    'segment_sum',
+    'segment_mean',
+    'segment_min',
+    'segment_max',
+    'reindex_graph',
+    'reindex_heter_graph',
+    'sample_neighbors',
+    'weighted_sample_neighbors',
+]