For more information, you can refer to the following links:
- Advanced Python Scheduler (apscheduler.readthedocs.io/en/latest/index)
- Scheduled Jobs with Custom Clock Processes in Python with APScheduler (devcenter.heroku.com/articles/clock-processes-python)
- The Architecture of APScheduler, Ju Lin (enqueuezero.com/apscheduler)
- , Alex. APScheduler 3.0 released, Alex Grönholm (alextechrants.blogspot.com/2014/08/apscheduler-30-released)
- Testing Your Code (The Hitchhiker's Guide to Python), Kenneth Reitz
- Python – concurrencytest: Running Concurrent Tests, Corey Goldberg (coreygoldberg.blogspot.com/2013/06/python-concurrencytest-running)
- Getting Started With Testing in Python, Anthony Shaw (realpython.com/python-testing/)
- Tracing python code, Andrew Dalke (dalkescientific.com/writings/diary/archive/2005/04/20/tracing_python_code)