Comment 8 for bug 1876370

My current part looks like this:

parts:
  crbs:
    plugin: python
    source: .
    source-type: local
    requirements:
      - requirements.txt
    build-packages:
      - git
      - libffi-dev
      - libpq-dev
      - python3-setuptools
    stage-packages:
      - libpq5
      - libpython3.8
      - libxml2
    filesets:
      bins:
        - bin/alembic
        - bin/crbs-admin
        - bin/crbs-asyncapi
        - bin/uwsgi
        - bin/snap-helpers*
        - bin/python
        - bin/python3
        - pyvenv.cfg
    prime:
      - $bins
      - etc
      - lib
      - usr/lib
    override-build: |
      set -e
      snapcraftctl build
      snapcraftctl set-version $($SNAPCRAFT_PROJECT_DIR/snap/local/snap-version)
      snap-helpers write-hooks