Python 的自定义构建后端

发布于 2025-01-14 21:22:45 字数 383 浏览 2 评论 0原文

我想编写自己的 Python 构建后端,可以在 pyproject.toml 中使用,就像

[build-system]
requires = ["setuptools>=42", "wheel", "mybackend"]
build-backend = "mybackend.build_meta"

setuptools 一样,除了它预先将行添加

# nice code!

到每个 <代码>.py 文件。 mybackend 必须提供哪些入口点,是否可以以某种方式从 setuptools 中“继承”?

I would like to write my own Python build backend that can used in pyproject.toml like

[build-system]
requires = ["setuptools>=42", "wheel", "mybackend"]
build-backend = "mybackend.build_meta"

and that does the same thing as setuptools, except that it preprends the line

# nice code!

to each .py file. What entry points would mybackend have to provide, and is it possible to somehow "inherit" from setuptools?

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九命猫 2025-01-21 21:22:45

扩展 setuptools 的一种方法是使用将它们包装在您自己的 build_wheel/build_sdist 中,例如

from setuptools.build_meta import build_sdist as setuptools_build_sdist
from setuptools.build_meta import build_wheel as setuptools_build_wheel


def build_wheel(wheel_directory, config_settings=None, metadata_directory=None):
    return setuptools_build_wheel(
        wheel_directory,
        config_settings=config_settings,
        metadata_directory=metadata_directory,
    )


def build_sdist(sdist_directory, config_settings=None):
    return setuptools_build_sdist(sdist_directory, config_settings)

而不是立即返回 setuptools 函数的输出(例如,tar 文件),人们可以处理这些文件。

One way to extend setuptools is to use wrap those in your own build_wheel/build_sdist like

from setuptools.build_meta import build_sdist as setuptools_build_sdist
from setuptools.build_meta import build_wheel as setuptools_build_wheel


def build_wheel(wheel_directory, config_settings=None, metadata_directory=None):
    return setuptools_build_wheel(
        wheel_directory,
        config_settings=config_settings,
        metadata_directory=metadata_directory,
    )


def build_sdist(sdist_directory, config_settings=None):
    return setuptools_build_sdist(sdist_directory, config_settings)

Instead of immediately returning the output of the setuptools functions (e.g., the tar-file), one can work on those files.

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