The doxygen script can be found in direct/src/directscripts/extract_docs.py, it uses the interrogate interface available through panda3d.dtoolconfig. You should be able to adapt that script to generate one of those custom files for your IDE.
The doxygen script can be found in direct/src/directscripts/extract_docs.py, it uses the interrogate interface available through panda3d.dtoolconfig. You should be able to adapt that script to generate one of those custom files for your IDE.