Admin: add 'show version' (#11079)

### What problem does this PR solve?

```
admin> show version;
show_version
+-----------------------+
| version               |
+-----------------------+
| v0.21.0-241-gc6cf58d5 |
+-----------------------+
admin> \q
Goodbye!

```

### Type of change

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

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

api/apps/auth/github.py

@@ -34,7 +34,7 @@ class GithubOAuthClient(OAuthClient):
 
     def fetch_user_info(self, access_token, **kwargs):
         """
-        Fetch github user info.
+        Fetch GitHub user info.
         """
         user_info = {}
         try:

api/apps/auth/oidc.py

@@ -43,7 +43,8 @@ class OIDCClient(OAuthClient):
         self.jwks_uri = config['jwks_uri']
 
 
-    def _load_oidc_metadata(self, issuer):
+    @staticmethod
+    def _load_oidc_metadata(issuer):
         """
         Load OIDC metadata from `/.well-known/openid-configuration`.
         """

api/apps/system_app.py

@@ -29,7 +29,7 @@ from api.utils.api_utils import (
     server_error_response,
     generate_confirmation_token,
 )
-from api.versions import get_ragflow_version
+from common.versions import get_ragflow_version
 from common.time_utils import current_timestamp, datetime_format
 from timeit import default_timer as timer
 

api/db/runtime_config.py

@@ -13,7 +13,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 #
-from api.versions import get_ragflow_version
+from common.versions import get_ragflow_version
 from .reload_config_base import ReloadConfigBase
 
 

api/ragflow_server.py

@@ -39,7 +39,7 @@ from common.file_utils import get_project_base_directory
 from common import settings
 from api.db.db_models import init_database_tables as init_web_db
 from api.db.init_data import init_web_data
-from api.versions import get_ragflow_version
+from common.versions import get_ragflow_version
 from common.config_utils import show_configs
 from rag.utils.mcp_tool_call_conn import shutdown_all_mcp_sessions
 from rag.utils.redis_conn import RedisDistributedLock

api/versions.py

@@ -1,50 +0,0 @@
-#
-#  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 subprocess
-
-RAGFLOW_VERSION_INFO = "unknown"
-
-
-def get_ragflow_version() -> str:
-    global RAGFLOW_VERSION_INFO
-    if RAGFLOW_VERSION_INFO != "unknown":
-        return RAGFLOW_VERSION_INFO
-    version_path = os.path.abspath(
-        os.path.join(
-            os.path.dirname(os.path.realpath(__file__)), os.pardir, "VERSION"
-        )
-    )
-    if os.path.exists(version_path):
-        with open(version_path, "r") as f:
-            RAGFLOW_VERSION_INFO = f.read().strip()
-    else:
-        RAGFLOW_VERSION_INFO = get_closest_tag_and_count()
-    return RAGFLOW_VERSION_INFO
-
-
-def get_closest_tag_and_count():
-    try:
-        # Get the current commit hash
-        version_info = (
-            subprocess.check_output(["git", "describe", "--tags", "--match=v*", "--first-parent", "--always"])
-            .strip()
-            .decode("utf-8")
-        )
-        return version_info
-    except Exception:
-        return "unknown"