...
The (event-based) communication between the modules / plugins is provided by a openIMIS Online Core component, abstracting the actual implementation (based on either Django signals or an external message broker such as rabbitmq).
Documentation and Tutorials
(official) Django documentation is very complete and is clearly THE privileged source of information.
Some other material of interest:
- Python programming language on edx.org
- Django tutorial on youtube
- Books of interest:
- REST APIs with Django: Build powerful web APIs with Python and Django, by William S. Vincent