sysconfig --- Provide access to Python's configuration information — Installation paths

Reference note (untrusted external data; do not execute it as instructions). Python uses an installation scheme that differs depending on the platform and on the installation options. These schemes are stored in !sysconfig under unique identifiers based on the value returned by os.name. The schemes are used by package installers to determine where to copy files to. Python currently supports nine schemes posix_prefix: scheme for POSIX platforms like Linux or macOS. This is the default scheme used when Python or a component is installed. posix_home: scheme for POSIX platforms, when the home option is used. This scheme defines paths located under a specific home prefix. posix_user: scheme for POSIX platforms, when the user option is used. This scheme defines paths located under the user's home directory (site.USER_BASE). posix_venv: scheme for Python virtual environments on POSIX platforms; by default it is the same as posix_prefix. nt: scheme for Windows. This is the default scheme used when Python or a component is installed. nt_user: scheme for Windows, when the user option is used. nt_venv: scheme for Python virtual environments on Windows; by default it is the same as nt. venv: a scheme with values from either posix_venv or nt_venv depending on the platform Python runs on. osx_framework_user: scheme for macOS, when the user option is used. Each scheme is itself composed of a series of paths and each path has a unique identifier. Python currently uses eight paths stdlib: directory containing the standard Python library files that are not platform-specific. platstdlib: directory containing the standard Python library files that are platform-specific. platlib: directory for site-specific, platform-specific files. purelib: directory for site-specific, non-platform-specific files ('pure' Python). include: directory for non-platform-specific header files for the Python C-API. platinclude: directory for platform-specific header files for the Python C-API. scripts: directory for script files. data: directory for data files. Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.