[Build] Refactor project structure and refactor release tools

Author: yuzelin

MANIFEST.in

@@ -0,0 +1,23 @@
+################################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you 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.
+################################################################################
+
+global-exclude *.py[cod] __pycache__ .DS_Store
+recursive-include deps/jars *.jar
+include README.md
+include LICENSE
+include NOTICE

dev/lint-python.sh

@@ -577,9 +577,6 @@ function tox_check() {
     # Ensure the permission of the scripts set correctly
     chmod +x $PAIMON_PYTHON_DIR/dev/*
 
-    # tox runs codes in virtual env, set var to avoid error
-    export _PYPAIMON_TOX_TEST="true"
-
     if [[ -n "$GITHUB_ACTION" ]]; then
         # Run tests in all versions triggered by a Git push (tests aren't so many currently)
         $TOX_PATH -vv -c $PAIMON_PYTHON_DIR/tox.ini --recreate 2>&1 | tee -a $LOG_FILE