2021 01 04 Open NEST Developer Video Conference

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Agenda

1. Welcome
2. Review of NEST User Mailing List
3. Project team round
4. In-depth discussion
   • Proper install of NEST Python module

Mailing list

• https://nest-simulator.org/mailinglist

Project team round

Here we discuss topics that need broader attention, for example questions that came up but are outside a single project's scope, larger planned changes/PRs that affect all teams or pending work that is blocked by external factors.

1. Models / NESTML
   • working on STDP support requests
2. PyNEST
   • nothing major to report
3. Kernel
   • nothing major to report
4. Installation
   • nothing major to report
5. Infrastructure
   • no further response from Travis team
   • experimenting with alternative solution
6. Documentation
   • nothing major to report
7. EBRAINS
   • nothing to report
8. (Feature) Random number generation
   • no report
9. (Feature) Automated Testing
   • no report
10. (Feature) Extension Module System
    • no report

In-depth discussion

Proper install of NEST Python module

• currently one nest install vs. many Python installs (eg. IDE environment, conda, venv, …)
  • python module loadable e.g. via PYTHONPATH (bad!!!)
  • python module can be compiled for each environment (and installed into the environment)
  • NEST may be compiled with different features in different environments

    conda activate someenv
    cmake -DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX /path/to/source
    

  • posible solution similar to Arbor (see CMakeLists.txt and Arbor-PR#1277) using the Python sysconfig module

    python -c "import sysconfig; print(sysconfig.get_path('platlib'))"