Method is_absolute

Lib/pathlib/__init__.py:505–514

True if the path is absolute (has both a root and, if applicable, a drive).

(self)

        return other == self or other in self.parents

    def is_absolute(self):
        """True if the path is absolute (has both a root and, if applicable,
        a drive)."""
        if self.parser is posixpath:
            # Optimization: work with raw paths on POSIX.
            for path in self._raw_paths:
                if path.startswith('/'):
                    return True
            return False
        return self.parser.isabs(self)

    def is_reserved(self):
        """Return True if the path contains one of the special names reserved