Return a new path with the stem changed. If the original path doesn’t have a name, ValueError is raised:
>>> p = PureWindowsPath('c:/Downloads/draft.txt')>>> p.with_stem('final')PureWindowsPath('c:/Downloads/final.txt')>>> p = PureWindowsPath('c:/Downloads/pathlib.tar.gz')>>> p.with_stem('lib')PureWindowsPath('c:/Downloads/lib.gz')>>> p = PureWindowsPath('c:/')>>> p.with_stem('')Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/antoine/cpython/default/Lib/pathlib.py", line 861, in with_stem return self.with_name(stem + self.suffix) File "/home/antoine/cpython/default/Lib/pathlib.py", line 851, in with_name raise ValueError("%r has an empty name" % (self,))ValueError: PureWindowsPath('c:/') has an empty name