Drop Python 3.8 and fix issues with poetry installation

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-versions: ['3.9', '3.10', '3.11', '3.12']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}

.pre-commit-config.yaml

@@ -8,7 +8,7 @@ repos:
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.1.4
+    rev: v0.3.7
     hooks:
       - id: ruff
       - id: ruff-format

README.md

@@ -2,12 +2,12 @@
 <img src="docs/img/zodipy_logo.png" width="350">
 
 [![astropy](http://img.shields.io/badge/powered%20by-AstroPy-orange.svg?style=flat-square)](http://www.astropy.org/)
+![PyPI - Python Version](https://img.shields.io/pypi/pyversions/zodipy?style=flat-square)
 [![PyPI](https://img.shields.io/pypi/v/zodipy.svg?logo=python&style=flat-square)](https://pypi.org/project/zodipy)
-[![Actions Status](https://img.shields.io/github/actions/workflow/status/Cosmoglobe/Zodipy/tests.yml?branch=main&logo=github&style=flat-square)](https://github.com/Cosmoglobe/Zodipy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/Cosmoglobe/zodipy?token=VZP9L79EUJ&style=flat-square&logo=codecov)](https://app.codecov.io/gh/Cosmoglobe/zodipy)
 [![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://img.shields.io/badge/repo_status-Active-success?style=flat-square)](https://www.repostatus.org/#active)
+[![Actions Status](https://img.shields.io/github/actions/workflow/status/Cosmoglobe/Zodipy/tests.yml?branch=main&logo=github&style=flat-square)](https://github.com/Cosmoglobe/Zodipy/actions)
 ![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/Cosmoglobe/zodipy/mkdocs-deploy.yml?branch=main&style=flat-square&logo=github&label=docs)
-![PyPI - Python Version](https://img.shields.io/pypi/pyversions/zodipy?style=flat-square)
+[![Codecov](https://img.shields.io/codecov/c/github/Cosmoglobe/zodipy?token=VZP9L79EUJ&style=flat-square&logo=codecov)](https://app.codecov.io/gh/Cosmoglobe/zodipy)
 [![arXiv Paper](https://img.shields.io/badge/arXiv-2205.12962-green?style=flat-square&logo=arxiv)](https://arxiv.org/abs/2205.12962)
 [![ascl:2306.012](https://img.shields.io/badge/ascl-2306.012-blue.svg?colorB=262255&style=flat-square)](https://ascl.net/2306.012)
 ---
@@ -24,7 +24,7 @@ See the [documentation](https://cosmoglobe.github.io/zodipy/) for more informati
 ZodiPy is installed using `pip install zodipy`.
 
 # Dependencies
-ZodiPy supports all Python versions >= 3.8, and has the following dependencies:
+ZodiPy supports all Python versions >= 3.9, and has the following dependencies:
 - [Astropy](https://www.astropy.org/) (>=5.0.1)
 - [NumPy](https://numpy.org/)
 - [healpy](https://healpy.readthedocs.io/en/latest/)
@@ -62,7 +62,7 @@ See [CITATION](https://github.com/Cosmoglobe/zodipy/blob/dev/CITATION.bib) if yo
 
 
 # For developers
-Contributing developers will need to download the following additional dependencies:
+Contributing developers will need to download the following additional dependencies to test, lint, format and build documentation locally:
 - pytest
 - pytest-cov
 - hypothesis
@@ -96,17 +96,17 @@ from the repositry root. This will read and download all the dependencies from t
 
 Note that developers using Python 3.12 will need to upgrade their pip versions with `python3 -m pip install --upgrade pip` before being able to install ZodiPy. This is due to known incompatibilities between older pip versions and Python 3.12
 
-## Tests and formatting
+## Tests, linting and formatting
 The following tools should be run from the root of the repository with no errors. (These are ran automatically as part of the CI workflows on GitHub, but should be tested locally first)
 
 - [pytest](https://docs.pytest.org/en/8.0.x/): Tests are run with pytest by simply running `pytest` in the command line in the root of the repository. 
-- [ruff](https://github.com/astral-sh/ruff): Formating and linting is done with `ruff` by simply running `ruff zodipy/` in the command line in the root of the repository. 
+- [ruff](https://github.com/astral-sh/ruff): Formating and linting is done with `ruff` by simply running `ruff check zodipy/` and `ruff format zodipy/` in the command line in the root of the repository. 
 - [mypy](https://mypy-lang.org/): Type checking is done with `mypy` by simply running `mypy zodipy/` in the root of the repository.
 
 Remeber to add tests when implementing new features to maintain a high code coverage.
 
 ## Documentation
-We use [MkDocs](https://www.mkdocs.org/) to create our documentation. The documentation is automatically built and uploaded as part of the github CI. New features should be documented by adding content to the `docs/` folder where necessary.
+We use [MkDocs](https://www.mkdocs.org/) to create our documentation. The documentation is built locally with `mkdocs build` from the repository root, and served with `mkdocs serve`.
 
 
 # Funding

docs/index.md

@@ -2,8 +2,11 @@
 <img src="img/zodipy_logo.png" alt="ZodiPy logo" width="50%">
 
 [![astropy](http://img.shields.io/badge/powered%20by-AstroPy-orange.svg?style=flat-square)](http://www.astropy.org/)
+![PyPI - Python Version](https://img.shields.io/pypi/pyversions/zodipy?style=flat-square)
 [![PyPI](https://img.shields.io/pypi/v/zodipy.svg?logo=python&style=flat-square)](https://pypi.org/project/zodipy)
+[![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://img.shields.io/badge/repo_status-Active-success?style=flat-square)](https://www.repostatus.org/#active)
 [![Actions Status](https://img.shields.io/github/actions/workflow/status/Cosmoglobe/Zodipy/tests.yml?branch=main&logo=github&style=flat-square)](https://github.com/Cosmoglobe/Zodipy/actions)
+![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/Cosmoglobe/zodipy/mkdocs-deploy.yml?branch=main&style=flat-square&logo=github&label=docs)
 [![Codecov](https://img.shields.io/codecov/c/github/Cosmoglobe/zodipy?token=VZP9L79EUJ&style=flat-square&logo=codecov)](https://app.codecov.io/gh/Cosmoglobe/zodipy)
 [![arXiv Paper](https://img.shields.io/badge/arXiv-2205.12962-green?style=flat-square&logo=arxiv)](https://arxiv.org/abs/2205.12962)
 [![ascl:2306.012](https://img.shields.io/badge/ascl-2306.012-blue.svg?colorB=262255&style=flat-square)](https://ascl.net/2306.012)

docs/install.md

@@ -7,7 +7,7 @@ pip install zodipy
 ```
 
 !!! note
-    ZodiPy supports python versions >=3.8.
+    ZodiPy supports python versions >=3.9.
 
 ## Dependencies
 ZodiPy has the following dependencies (these are automatically downloaded alongside ZodiPy):