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Diffstat (limited to '.github/CONTRIBUTING.md')
| -rw-r--r-- | .github/CONTRIBUTING.md | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 08d9e7cb..ad797439 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -53,6 +53,33 @@ derivative works thereof, in binary and source code form. ## Development of pybind11 +### Quick setup + +To setup a quick development environment, use [`nox`](https://nox.thea.codes). +This will allow you to do some common tasks with minimal setup effort, but will +take more time to run and be less flexible than a full development environment. +If you use [`pipx run nox`](https://pipx.pypa.io), you don't even need to +install `nox`. Examples: + +```bash +# List all available sessions +nox -l + +# Run linters +nox -s lint + +# Run tests on Python 3.9 +nox -s tests-3.9 + +# Build and preview docs +nox -s docs -- serve + +# Build SDists and wheels +nox -s build +``` + +### Full setup + To setup an ideal development environment, run the following commands on a system with CMake 3.14+: @@ -66,11 +93,10 @@ cmake --build build -j4 Tips: -* You can use `virtualenv` (from PyPI) instead of `venv` (which is Python 3 - only). +* You can use `virtualenv` (faster, from PyPI) instead of `venv`. * You can select any name for your environment folder; if it contains "env" it will be ignored by git. -* If you don’t have CMake 3.14+, just add “cmake” to the pip install command. +* If you don't have CMake 3.14+, just add "cmake" to the pip install command. * You can use `-DPYBIND11_FINDPYTHON=ON` to use FindPython on CMake 3.12+ * In classic mode, you may need to set `-DPYTHON_EXECUTABLE=/path/to/python`. FindPython uses `-DPython_ROOT_DIR=/path/to` or @@ -78,7 +104,7 @@ Tips: ### Configuration options -In CMake, configuration options are given with “-D”. Options are stored in the +In CMake, configuration options are given with "-D". Options are stored in the build directory, in the `CMakeCache.txt` file, so they are remembered for each build directory. Two selections are special - the generator, given with `-G`, and the compiler, which is selected based on environment variables `CXX` and @@ -88,12 +114,12 @@ after the initial run. The valid options are: * `-DCMAKE_BUILD_TYPE`: Release, Debug, MinSizeRel, RelWithDebInfo -* `-DPYBIND11_FINDPYTHON=ON`: Use CMake 3.12+’s FindPython instead of the +* `-DPYBIND11_FINDPYTHON=ON`: Use CMake 3.12+'s FindPython instead of the classic, deprecated, custom FindPythonLibs * `-DPYBIND11_NOPYTHON=ON`: Disable all Python searching (disables tests) * `-DBUILD_TESTING=ON`: Enable the tests * `-DDOWNLOAD_CATCH=ON`: Download catch to build the C++ tests -* `-DOWNLOAD_EIGEN=ON`: Download Eigen for the NumPy tests +* `-DDOWNLOAD_EIGEN=ON`: Download Eigen for the NumPy tests * `-DPYBIND11_INSTALL=ON/OFF`: Enable the install target (on by default for the master project) * `-DUSE_PYTHON_INSTALL_DIR=ON`: Try to install into the python dir @@ -132,8 +158,9 @@ tests with these targets: * `test_cmake_build`: Install / subdirectory tests If you want to build just a subset of tests, use -`-DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_pickling.cpp"`. If this is -empty, all tests will be built. +`-DPYBIND11_TEST_OVERRIDE="test_callbacks;test_pickling"`. If this is +empty, all tests will be built. Tests are specified without an extension if they need both a .py and +.cpp file. You may also pass flags to the `pytest` target by editing `tests/pytest.ini` or by using the `PYTEST_ADDOPTS` environment variable @@ -203,16 +230,19 @@ of the pybind11 repo. [`clang-tidy`][clang-tidy] performs deeper static code analyses and is more complex to run, compared to `clang-format`, but support for `clang-tidy` is built into the pybind11 CMake configuration. To run `clang-tidy`, the -following recipe should work. Files will be modified in place, so you can -use git to monitor the changes. +following recipe should work. Run the `docker` command from the top-level +directory inside your pybind11 git clone. Files will be modified in place, +so you can use git to monitor the changes. ```bash -docker run --rm -v $PWD:/pybind11 -it silkeh/clang:10 -apt-get update && apt-get install python3-dev python3-pytest -cmake -S pybind11/ -B build -DCMAKE_CXX_CLANG_TIDY="$(which clang-tidy);-fix" -cmake --build build +docker run --rm -v $PWD:/mounted_pybind11 -it silkeh/clang:15-bullseye +apt-get update && apt-get install -y git python3-dev python3-pytest +cmake -S /mounted_pybind11/ -B build -DCMAKE_CXX_CLANG_TIDY="$(which clang-tidy);--use-color" -DDOWNLOAD_EIGEN=ON -DDOWNLOAD_CATCH=ON -DCMAKE_CXX_STANDARD=17 +cmake --build build -j 2 ``` +You can add `--fix` to the options list if you want. + ### Include what you use To run include what you use, install (`brew install include-what-you-use` on @@ -228,7 +258,7 @@ The report is sent to stderr; you can pipe it into a file if you wish. ### Build recipes This builds with the Intel compiler (assuming it is in your path, along with a -recent CMake and Python 3): +recent CMake and Python): ```bash python3 -m venv venv |