Move from poetry to flit

.gitlab-ci.yml

+image: boileaum/jupyter
+
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
 
-stages:
-  - deps
-  - test
-  - deploy
-
-deps:
-  stage: deps
-  tags:
-    - shell
-  script:
-    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
-    - docker info
-    - echo "Building $CI_REGISTRY_IMAGE"
-    - DOCKER_BUILDKIT=1 docker build --pull -t $CI_REGISTRY_IMAGE -f Dockerfile .
-    - docker push $CI_REGISTRY_IMAGE
-
 test:
   stage: test
-  image: $CI_REGISTRY_IMAGE
   tags:
     - docker
   script:
-    - poetry install
-    - poetry run pytest tests -v
+    - pip install flit
+    - flit install
+    - pip install git+https://github.com/boileaum/bookbook.git@master
+    - python -m pytest tests -v
 
 deploy:
   stage: deploy
-  image: $CI_REGISTRY_IMAGE
   tags:
     - docker
   script:
-    - poetry build
-    - poetry publish -u boileau -p $PYPI_PASSWORD
+    - pip install git+https://github.com/boileaum/bookbook.git@master
+    - flit build
   only:
     - master
\ No newline at end of file

nbcourse/__init__.py

+"""
+Build a small website to host Jupyter notebooks as course chapters
+"""
 import logging
 
 log = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
+
+__version__ = '0.3.0'
\ No newline at end of file

pyproject.toml

-[tool.poetry]
-name = "nbcourse"
-version = "0.3.0"
-description = "Create a minisite to publish a course based on Jupyter notebooks"
-authors = ["Matthieu Boileau <matthieu.boileau@math.unistra.fr>"]
-license = "MIT"
-keywords = ["jupyter", "nbconvert"]
-repository = "https://gitlab.math.unistra.fr/boileau/nbcourse"
-readme = "README.md"
-
-[tool.poetry.dependencies]
-python = "^3.7"
-nbconvert = ">=6.0"
-bs4 = "^0.0.1"
-IPython = "^7.15.0"
-jinja2 = "^2.11.2"
-jupyter_contrib_nbextensions = "^0.5.1"
-latex = "^0.7.0"
-markdown = "^3.2.2"
-rise = "^5.6.1"
-pyyaml = "^5.3.1"
-doit = ">=0.32.0"
-python-frontmatter = "^0.5.0"
-bookbook = { git = "https://github.com/boileaum/bookbook.git", branch = "develop" }
-
-[tool.poetry.dev-dependencies]
-pytest = "^5.4.3"
-pycodestyle = "^2.6.0"
+[build-system]
+requires = [
+    "flit_core >=2,<4",
+    "nbconvert >= 6.0",
+    "bs4",
+    "IPython",
+    "jinja2",
+    "jupyter_contrib_nbextensions",
+    "latex",
+    "markdown",
+    "rise",
+    "pyyaml",
+    "doit >= 0.32.0",
+    "python-frontmatter",
+]
+build-backend = "flit_core.buildapi"
 
-[tool.poetry.scripts]
-nbcourse = 'nbcourse:main'
+[tool.flit.metadata]
+module = "nbcourse"
+author = "Matthieu Boileau"
+author-email = "matthieu.boileau@math.unistra.fr"
+home-page = "https://gitlab.math.unistra.fr/boileau/nbcourse"
+classifiers = ["License :: OSI Approved :: MIT License"]
+description-file = "README.md"
 
-[build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+[tool.flit.metadata.requires-extra]
+test = ["pytest"]