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diff --git a/docs/code_style.md b/docs/code_style.md index ebda6dcc85..db7edcd76b 100644 --- a/docs/code_style.md +++ b/docs/code_style.md @@ -6,60 +6,36 @@ The Synapse codebase uses a number of code formatting tools in order to quickly and automatically check for formatting (and sometimes logical) errors in code. -The necessary tools are detailed below. +The necessary tools are: -First install them with: +- [black](https://black.readthedocs.io/en/stable/), a source code formatter; +- [isort](https://pycqa.github.io/isort/), which organises each file's imports; +- [flake8](https://flake8.pycqa.org/en/latest/), which can spot common errors; and +- [mypy](https://mypy.readthedocs.io/en/stable/), a type checker. + +Install them with: ```sh pip install -e ".[lint,mypy]" ``` -- **black** - - The Synapse codebase uses [black](https://pypi.org/project/black/) - as an opinionated code formatter, ensuring all comitted code is - properly formatted. - - Have `black` auto-format your code (it shouldn't change any - functionality) with: - - ```sh - black . - ``` - -- **flake8** - - `flake8` is a code checking tool. We require code to pass `flake8` - before being merged into the codebase. - - Check all application and test code with: +The easiest way to run the lints is to invoke the linter script as follows. - ```sh - flake8 . - ``` - -- **isort** - - `isort` ensures imports are nicely formatted, and can suggest and - auto-fix issues such as double-importing. - - Auto-fix imports with: - - ```sh - isort . - ``` +```sh +scripts-dev/lint.sh +``` It's worth noting that modern IDEs and text editors can run these tools automatically on save. It may be worth looking into whether this functionality is supported in your editor for a more convenient -development workflow. It is not, however, recommended to run `flake8` on -save as it takes a while and is very resource intensive. +development workflow. It is not, however, recommended to run `flake8` or `mypy` +on save as they take a while and can be very resource intensive. ## General rules - **Naming**: - - Use camel case for class and type names - - Use underscores for functions and variables. + - Use `CamelCase` for class and type names + - Use underscores for `function_names` and `variable_names`. - **Docstrings**: should follow the [google code style](https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings). See the |