Add a new method to get config from environment variables
and for now, we have three ways to get config and the
priority is `env-var > custom-config-file > built-in-config-file`.
Environment config setting does not work in CLI, because it will
confuse users when they get config value is `var-env` but value
in the configuration file is `var-in-file`, they may not find
the way how to change it
* Add documentation
* Add it to UPDATING.md
close: #8344
* [python] Fix change exists pd attribute user error
* Remove attribute from class ProcessDefinition, cause it should to
object User instead of object ProcessDefinition.
* Grant project to user if attribute user change for exists ProcessDefinition
close: #8751
* Add py.test conftest.py for package integration
* [python] Add integrated test to python gateway server
* Build java code and create standalone server image in GA
* Add component start docker in python
* Run example to make sure it work to it
close: #8035
* Fix build docker image working directory
* Fix working directory
* [python] refactor yaml file parser
* Change yaml parser package to ruamel.yaml
* Refactor configuration.py module
* And file.py to write file locally
* Add more tests on it
close: #8593
* Fix UT error
* Remove pypyaml from tests
* Fix file error when param create is False
* Fix error logic
* And tests to avoid regression
* [python] Add config mechanism and cli subcommand config
* Add configuration.py mechanism for more easy change config
and move some configs to it. It mechanism including
configuration.py module and default_config.yaml file
* Add `config` for cli subcommand allow users initialize, get,
set configs
close: #8344
* Change setup.py format
* [python] Add checker pd attr param and fix switch example
* Correct submit self.param to java gateway
* Fix missing parameter for switch example
* Add mechanism checker before submit to java gateway
close: #7803
* Fix mock get task code and version
* Change judge statement and add comment
* [python] Fix task relation wrong hashable function
Currently our :class:`TaskRelation` have wrong __hash__
function, would mistake a object as same object. It failed
our dependence and process definition. this patch fix it
by adding `_KEY_ATTR` to overwrite TaskRelation's __eq__
and correct __hash__ func
close: #7627
* Fix code format
* Change class Base `to_dict` to `get_define` for more clearer
* Remove class TaskParams and sub class make code easy to
understand and avoid task implement cycle dependence
* Remove class ObjectJsonBase in Task to reduce complexity
fix: #7271
* [ci] Add coverage check in CI
* Coverage add dependent
* Install pydolphinscheduler before run coverage
* Up test coverage to 87% and down threshold to 85%
* Fix code style
* Add doc about coverage
* [python] Add parameter schedule for process definition
* Rebase and fix some code style
* May schedule work on both string and datetime
* Fix flaky test
* Add comment about freeze time
* Add edge test for schedule_json with None schedule
* Fix test function name
* Fix rebase error
* [python] Add code style lint for GA
* Change github action name
* Auto change by black
* Fix flake8
* Fix broken link for pyds README.md
* Auto fix by black
* Separate GitHub workflows
* Add Black badge and CI locally in README.md
* Add CI for python API
* Fix task assign without process definition
* Fix ci
* Add header
* Add build badge for pydolphinscheduler
* Add content to README.md
* Remove unnecessary blank line
Jiajie Zhong