build python version rag-flow (#21)

* clean rust version project

* clean rust version project

* build python version rag-flow

web_server/db/services/llm_service.py

@@ -0,0 +1,35 @@
+#
+#  Copyright 2019 The FATE 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.
+#
+import peewee
+from werkzeug.security import generate_password_hash, check_password_hash
+
+from web_server.db.db_models import DB, UserTenant
+from web_server.db.db_models import LLMFactories, LLM, TenantLLM
+from web_server.db.services.common_service import CommonService
+from web_server.utils import get_uuid, get_format_time
+from web_server.db.db_utils import StatusEnum
+
+
+class LLMFactoriesService(CommonService):
+    model = LLMFactories
+
+
+class LLMService(CommonService):
+    model = LLM
+
+
+class TenantLLMService(CommonService):
+    model = TenantLLM