Extend sphinx to include icontracts.
Project description
sphinx-icontract
Sphinx-icontract extends Sphinx to include icontracts of classes and functions in the documentation.
Usage
Sphinx-icontract is based on the sphinx.ext.autodoc module. You need to specify both modules in extensions of your Sphinx configuration file (conf.py).
Here is an example excerpt:
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
'sphinx.ext.autodoc',
'sphinx_icontract'
]Implications
Sphinx-icontract tries to infer the implications from the conditions and render them as implication (... ⇒ ...). We implemented a rule-based matching that covers most of the practical use cases:
not A or B is translated to A ⇒ B.
Expressions are negated, so x < y or B is translated to x >= y ⇒ B. More general expressions are negated with not: from x.y() or B to not x.y() ⇒ B.
If-Expressions are translated from B if A else True to A ⇒ B.
We found implications in form of if-expressions to be confusing when read in source code and encourage programmers to use disjunction form instead.
Installation
Install sphinx-icontract with pip:
pip3 install sphinx-icontractDevelopment
Check out the repository.
In the repository root, create the virtual environment:
python3 -m venv venv3Activate the virtual environment:
source venv3/bin/activateInstall the development dependencies:
pip3 install -e .[dev]We use tox for testing and packaging the distribution:
toxPre-commit Checks
We provide a set of pre-commit checks that lint and check code for formatting.
Namely, we use:
yapf to check the formatting.
The style of the docstrings is checked with pydocstyle.
Static type analysis is performed with mypy.
Various linter checks are done with pylint.
Contracts are linted with pyicontract-lint.
Doctests are executed using the Python doctest module.
Run the pre-commit checks locally from an activated virtual environment with development dependencies:
./precommit.pyThe pre-commit script can also automatically format the code:
./precommit.py --overwriteVersioning
We follow Semantic Versioning. The version X.Y.Z indicates:
X is the major version (backward-incompatible),
Y is the minor version (backward-compatible), and
Z is the patch version (backward-compatible bug fix).
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