Initial commit

verl/workers/sharding_manager/base.py

@@ -0,0 +1,33 @@
+# Copyright 2024 Bytedance Ltd. and/or its affiliates
+#
+# 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.
+"""
+Sharding manager to implement HybridEngine
+"""
+
+from verl import DataProto
+
+
+class BaseShardingManager:
+
+    def __enter__(self):
+        pass
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        pass
+
+    def preprocess_data(self, data: DataProto) -> DataProto:
+        return data
+
+    def postprocess_data(self, data: DataProto) -> DataProto:
+        return data