http://stackoverflow.com/a/29880095/2097780
My favorite thing about Python is that it's so easy to be evil. ;) On Fri, May 1, 2015 at 2:30 PM, Christophe Bal <projet...@gmail.com> wrote: > Hello. > > In this post > <http://stackoverflow.com/questions/29850801/simple-subclassing-pathlib-path-does-not-work/29854141#29854141>, > I have noticed a problem with the following code. > > from pathlib import Path >> class PPath(Path): >> def __init__(self, *args, **kwargs): >> super().__init__(*args, **kwargs) >> >> test = PPath("dir", "test.txt") >> >> > This gives the following error message. > > > >> Traceback (most recent call last): >> File "/Users/projetmbc/test.py", line 14, in <module> >> test = PPath("dir", "test.txt") >> File "/anaconda/lib/python3.4/pathlib.py", line 907, in __new__ >> self = cls._from_parts(args, init=False) >> File "/anaconda/lib/python3.4/pathlib.py", line 589, in _from_parts >> drv, root, parts = self._parse_args(args) >> File "/anaconda/lib/python3.4/pathlib.py", line 582, in _parse_args >> return cls._flavour.parse_parts(parts)AttributeError: type object >> 'PPath' has no attribute '_flavour' >> >> > This breaks the sub-classing from Python point of view. In the post > <http://stackoverflow.com/questions/29850801/simple-subclassing-pathlib-path-does-not-work/29854141#29854141>, > I give a hack to sub-class Path but it's a bit Unpythonic. > > *Christophe BAL* > *Enseignant de mathématiques en Lycée **et développeur Python amateur* > *---* > *French math teacher in a "Lycée" **and **Python **amateur developer* > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/rymg19%40gmail.com > > -- Ryan [ERROR]: Your autotools build scripts are 200 lines longer than your program. Something’s wrong. http://kirbyfan64.github.io/
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