Function get_xdg_cache_dir

IPython/utils/path.py:218–234

Return the XDG_CACHE_HOME, if it is defined and exists, else None. This is only for non-OS X posix (Linux,Unix,etc.) systems.

()

def get_xdg_cache_dir():
    """Return the XDG_CACHE_HOME, if it is defined and exists, else None.

    This is only for non-OS X posix (Linux,Unix,etc.) systems.
    """

    env = os.environ

    if os.name == "posix":
        # Linux, Unix, AIX, etc.
        # use ~/.cache if empty OR not set
        xdg = env.get("XDG_CACHE_HOME", None) or os.path.join(get_home_dir(), '.cache')
        if xdg and _writable_dir(xdg):
            assert isinstance(xdg, str)
            return xdg

    return None


def expand_path(s: str) -> str: