This patch add python api package as independent
directory in final dist directory when user run
command `mvn -U install package -Prelease`.
There have `tar.gz` and `whl` in the python dist directory
close: #8343
Change python api version to 2.0.4
Add pre_clean command to clean env
Fix example bug in switch and datax task type.
Fix misunderstanding for condition node
* [python] Fix switch example workflow name conflict to dependent
* [python] Fix task condition missing branch success and fail
* [python] Task datax add more detail example
After #7505 merged. we could use condition task type
but our dependent set in the wrong direction, all
the condition operators should be upstream of the
current task instead of downstream
fix: #7649
* [cherry-pick][python] Make it work to 2.0.2
* Remove unused ProcessExecutionTypeEnum
* Add queryByName to project
* Add checkTenantExists to tenant
* Add queryByTenantCode to tenant
* Add queryQueueName to queue
* Add all content from dev branch
* Add gitignore
* Add pydolphinscheduler content
* Add ds-py to bin test
* Py merge to 202
* Fix version
* Fix missing variable
* Add py4j as known deps
* Fix core database bug
Jiajie Zhong