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Vulkan Generator Developer Documentation

This document is to be able to build, run and test the Vulkan Generator in AGI.

Python

Pre-requirements:

Vulkan generator requires Python 3.9.2 Install Python 3.9.2 and pyenv.

Then add these to .bashrc or .zshrc

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

if pyenv not installed to $HOME/.pyenv then use the install location.

All the linting/testing tools should be able to installed via pip.

Build instructions

Build target

//vulkan_generator

Run target

//vulkan_generator:main

Lint target

//lint

This target should run as test e.g. bazel test //:lint

If you would like to integrate this to your IDE or use them via command line here are the tools and their versions:

pylint==2.13.8
mypy==0.950
flake8==4.0.1

Test target

tests-vulkan-generator

This target includes linting.

If you would like to run tests in IDE or command line here is the testing tool and the version:

pytest==7.1.2

Setup to run presubmit tests locally

Presubmit can be run from ./kokoro/presubmit/presubmit.sh. This will require the Python formatter given below.

autopep8==1.6.0

Command Line

All the config files are under ./tools/build/python/ folder. Each tool can be run with the config file:

Pylint: pylint --recursive=y --rcfile=tools/build/python/pylintrc vulkan_generator

Flake8: flake8 --config tools/build/python/flake8 vulkan_generator

Mypy mypy --config-file=tools/build/python/mypy.ini vulkan_generator

Autopep8 autopep8 --global-config=tools/build/python/pep8 -r --in-place vulkan_generator

Troubleshooting

If any command fails to run or does an unexpected behaviour: Please add PYTHONPATH at the beginning e.g.

PYTHONPATH=. pylint --recursive=y --rcfile=tools/build/python/pylintrc vulkan_generator

IDE setup

This tools can be integrated into IDEs. An example will be given for VSCode and it should be fairly similar in other IDEs as well.

This script is for the local setting file under .vscode folder in the workspace. If you would like to add it to global settings every path should include the workspace directory as tools/build/python is relative to the workspace.

 "python.linting.pylintEnabled": true,
    "python.linting.pylintArgs": [
        "--rcfile",
        "tools/build/python/pylintrc",
    ],
    "python.linting.mypyEnabled": true,
    "python.linting.mypyArgs": [
        "--config-file",
        "tools/build/python/mypy.ini"
    ],
    "python.linting.flake8Enabled": true,
    "python.linting.flake8Args": [
        "--config",
        "tools/build/python/flake8",
    ],
    "python.formatting.autopep8Args": [
        "--global-config",
        "tools/build/python/pep8",
    ],
    "python.linting.lintOnSave": true,
    "[python]": {
        "editor.formatOnSave": true,
    },

    "python.testing.cwd": "${workspaceFolder}",
    "python.testing.unittestEnabled": false,
    "python.testing.pytestEnabled": true,
    "python.testing.pytestArgs": [
        "--collect-only",
    ],

Troubleshooting

VSCode is very slow to discover tests due to the project size(including rest of the AGI). You may need to disable go test discovery and even then tests may not be able to discovered accordingly. You can try opening only the vulkan_generator folder for the tests or run them from the command line instead.