vscode python refactor failed

Question

When I tried to rename myset in the following code, I saw the following message.

class NumberGenerator:
    def __init__(self):
        self.__myset__ = set()

    def uncount(self, i):
        self.__myset__.add(i)

Refactor failed. module 'rope.base.ast' has no attribute 'Str'
[<FrameSummary file refactor.py, line 294 in watch>, <FrameSummary file refactor.py, line 274 in _process_request>, <FrameSummary file refactor.py, line 206 in _rename>, ...

It's so long, if you want to see I can show you. Is this code wrong? It works, though. Why does refactor not work?

Brett Cannon · Accepted Answer · 2020-08-07 16:37:58Z

23

It doesn't work because Rope has some bugs in it. If you install Pylance then you may have better success (it will automatically prompt you to update your settings appropriately).

edited Aug 7, 2020 at 16:37

answered Jan 2, 2020 at 22:39

Brett Cannon

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8 Comments

Hyonyoung Park Over a year ago

Thank you for your answer!! I sure that by you.

plasma Over a year ago

I switched to Microsoft, but it doesn't have resymbol function anymore.

Brett Cannon Over a year ago

@UniSize try marketplace.visualstudio.com/…

plasma Over a year ago

@BrettCannon Do you know what the difference between the python package developed by Microsoft and the one you mentioned in the last comment? They all developed by Microsoft.

Brett Cannon Over a year ago

@UniSize the link/Pylance is the new one, MPLS is the old one. I find Pylance faster and more accurate, so I would advise switching to it.

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