Function _getuserbase

Lib/sysconfig/__init__.py:114–136

()

# NOTE: site.py has copy of this function.
# Sync it when modify this function.
def _getuserbase():
    env_base = os.environ.get("PYTHONUSERBASE", None)
    if env_base:
        return env_base

    # Emscripten, iOS, tvOS, VxWorks, WASI, and watchOS have no home directories.
    # Use _PYTHON_HOST_PLATFORM to get the correct platform when cross-compiling.
    system_name = os.environ.get('_PYTHON_HOST_PLATFORM', sys.platform).split('-')[0]
    if system_name in {"emscripten", "ios", "tvos", "vxworks", "wasi", "watchos"}:
        return None

    def joinuser(*args):
        return os.path.expanduser(os.path.join(*args))

    if os.name == "nt":
        base = os.environ.get("APPDATA") or "~"
        return joinuser(base,  _get_implementation())

    if sys.platform == "darwin" and sys._framework:
        return joinuser("~", "Library", sys._framework,
                        f"{sys.version_info[0]}.{sys.version_info[1]}")

    return joinuser("~", ".local")

_HAS_USER_BASE = (_getuserbase() is not None)