689         return cls._flavour.parse_parts(parts)
717             return drv + root + cls._flavour.join(parts[1:])
719             return cls._flavour.join(parts)
727         drv, root, parts = self._flavour.join_parsed_parts(
747         f = self._flavour
762         return self._flavour.make_uri(self)
770             self._cached_cparts = self._flavour.casefold_parts(self._parts)
776         return self._cparts == other._cparts and self._flavour is other._flavour
786         if not isinstance(other, PurePath) or self._flavour is not other._flavour:
791         if not isinstance(other, PurePath) or self._flavour is not other._flavour:
796         if not isinstance(other, PurePath) or self._flavour is not other._flavour:
801         if not isinstance(other, PurePath) or self._flavour is not other._flavour:
869         drv, root, parts = self._flavour.parse_parts((name,))
870         if (not name or name[-1] in [self._flavour.sep, self._flavour.altsep]
885         f = self._flavour
925         cf = self._flavour.casefold_parts
995         return not self._flavour.has_drv or bool(self._drv)
1000         return self._flavour.is_reserved(self._parts)
1006         cf = self._flavour.casefold
1008         drv, root, pat_parts = self._flavour.parse_parts((path_pattern,))
1038     _flavour = _posix_flavour  variable in PurePosixPath
1048     _flavour = _windows_flavour  variable in PureWindowsPath
1072         if not self._flavour.is_supported:
1132         return cls(cls()._flavour.gethomedir(None))
1162         drv, root, pattern_parts = self._flavour.parse_parts((pattern,))
1165         selector = _make_selector(tuple(pattern_parts), self._flavour)
1175         drv, root, pattern_parts = self._flavour.parse_parts((pattern,))
1178         selector = _make_selector(("**",) + tuple(pattern_parts), self._flavour)
1204         s = self._flavour.resolve(self, strict=strict)
1211         normed = self._flavour.pathmod.normpath(s)
1555             homedir = self._flavour.gethomedir(self._parts[0][1:])