Function dirname

Lib/posixpath.py:177–185

Returns the directory component of a pathname

(p, /)

# Return the head (dirname) part of a path, same as split(path)[0].

def dirname(p, /):
    """Returns the directory component of a pathname"""
    p = os.fspath(p)
    sep = _get_sep(p)
    i = p.rfind(sep) + 1
    head = p[:i]
    if head and head != sep*len(head):
        head = head.rstrip(sep)
    return head


# Is a path a mount point?