create the python sdk to return version (#1039)

### What problem does this PR solve?

Create python SDK to return the version of RAGFlow.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: cecilia-uu <konghui1996@163.com>

.gitignore

@@ -29,4 +29,10 @@ Cargo.lock
 docker/ragflow-logs/
 /flask_session
 /logs
-rag/res/deepdoc
+rag/res/deepdoc
+
+# Exclude sdk generated files
+SDK/python/ragflow.egg-info/
+SDK/python/build/
+SDK/python/dist/
+SDK/python/ragflow_sdk.egg-info/

SDK/python/README.md

@@ -0,0 +1 @@
+# infinity 

SDK/python/hello_ragflow.py

@@ -0,0 +1,3 @@
+import ragflow
+
+print(ragflow.__version__)

SDK/python/pyproject.toml

@@ -0,0 +1,24 @@
+[project]
+name = "ragflow"
+version = "0.8.0.dev1"
+authors = [
+  { name = "The RAGFlow Development Team", email = "author@example.com" },
+] # TODO: email
+dependencies = ["pytest~=8.2.0"]
+description = "ragflow"
+readme = "README.md"
+requires-python = ">=3.10"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: Apache License2",
+    "Operating System :: OS Independent",
+]
+
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project.urls]
+"Homepage" = "https://github.com/pypa/sampleproject"
+"Bug Tracker" = "https://github.com/pypa/sampleproject/issues"
+# TODO

SDK/python/ragflow/__init__.py

@@ -0,0 +1,3 @@
+import importlib.metadata
+
+__version__ = importlib.metadata.version("ragflow")

SDK/python/ragflow/ragflow.py

@@ -0,0 +1,28 @@
+#
+#  Copyright 2024 The InfiniFlow 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 os
+import dotenv
+import typing
+from api.utils.file_utils import get_project_base_directory
+
+
+def get_versions() -> typing.Mapping[str, typing.Any]:
+    dotenv.load_dotenv(dotenv.find_dotenv())
+    return dotenv.dotenv_values()
+
+
+def get_rag_version() -> typing.Optional[str]:
+    return get_versions().get("RAGFLOW_VERSION", "dev")

SDK/python/setup.py

@@ -0,0 +1,19 @@
+# Copyright(C) 2023 InfiniFlow, Inc. 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
+#
+#      https://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 setuptools
+
+if __name__ == "__main__":
+    setuptools.setup(packages=['ragflow'])
+

SDK/python/test/test_basic.py

@@ -0,0 +1,8 @@
+from test_sdkbase import TestSdk
+import ragflow
+import pytest
+
+
+class TestCase(TestSdk):
+    def test_version(self):
+        print(ragflow.__version__)

SDK/python/test/test_sdkbase.py

@@ -0,0 +1,3 @@
+class TestSdk():
+    def test_version(self):
+        print("test_sdk")