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批量构建CMake工程的Python工具,支持build.json配置和命令行批量编译

Project description

pycmakebuild

Python CMake 批量构建与自动化工具,支持通过 build.json 配置文件和命令行批量编译多个 CMake 项目,适用于跨平台 C++/第三方库工程的自动化批量编译。

功能特性

  • 支持 build.json 配置批量管理和编译多个 CMake 项目
  • 支持 Debug/Release 等多种构建类型,支持自定义 CMakeLists.txt 子目录
  • 支持命令行一键初始化环境、生成模板、批量构建
  • 自动推断 CMake 构建参数,兼容 Windows/Linux/Mac
  • 支持通过 python -m pycmakebuildpycmakebuild 命令行调用

快速开始

1. 安装

pip install pycmakebuild

2. 初始化环境和模板

python -m pycmakebuild --init

将在当前目录生成 .env 和 build.json 模板。

3. 编辑 build.json

示例:

{
  "sources": [
    {
      "path": "../Log4Qt",
      "name": "log4qt",
      "cmakelists_subpath": ".",
      "other_build_params": ["-DCUSTOM_OPTION=ON"]
    }
  ]
}
  • path: CMake 项目源码路径
  • name: 目标名称(安装目录名)
  • cmakelists_subpath: CMakeLists.txt 所在子目录(可选,默认".")
  • other_build_params: 传递给 cmake 的额外参数列表(如 ["-DCUSTOM_OPTION=ON"],可选)

4. 批量构建

编译Release版本

python -m pycmakebuild

或编译Debug版本

python -m pycmakebuild --build=Debug

或指定配置文件

python -m pycmakebuild --build=Release --json mybuild.json

会自动检测指定json并批量构建所有配置项目,支持自定义 cmake 参数。

5. 批量更新源码(git工程)

python -m pycmakebuild --clean

更新所有 build.json 中配置的项目源码,不会删除安装目录。

环境变量加载与自定义

pycmakebuild 不再依赖 python-dotenv,环境变量文件(.env)由工具内置解析,且不会污染系统环境变量。

环境变量文件格式

INSTALL_PATH=xxx   # 安装根目录
GENERATOR=xxx      # CMake生成器,如 Ninja、Visual Studio 17 2022 等
ARCH=x64           # 架构,可选 x64/Win32/arm64
BUILD_DIR=build    # 构建输出目录
CORES=32           # 并发核心数

自定义 env 文件

可通过 --env=xxx.env 指定任意环境变量文件,所有变量仅在 pycmakebuild 内部生效,不影响系统环境。

示例

pycmakebuild --build=Release --env=myenvfile.env

如未指定,默认加载当前目录下的 .env 文件。

命令行参数

  • --init 初始化环境和 build.json 模板
  • --build [Debug|Release] 指定构建类型,支持 --build=Debug 或 --build=Release,默认Release
  • --json <file> 指定配置json文件,默认为build.json
  • --env <file> 指定环境变量文件,默认为.env
  • --clean 清理所有 build.json 配置的项目源码(git clean/pull)
  • --version 显示版本号

依赖

  • cmake:Python CMake 封装

典型应用场景

  • 本地一键环境初始化默认构建环境与批量编译CMake三方库

License

MIT

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