bug#58780: python.el infinite loop in info-current-defun

[Ryan B <pair@ryanb.org>]

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Advice seems to work better at preventing the hang:

(defun python-nav-end-of-statement--bug-override (orig-fn &optional noend)
  (forward-line 1))
(advice-add 'python-nav-end-of-statement :around
#'python-nav-end-of-statement--bug-override)

On Mon, Dec 5, 2022 at 7:01 AM Ryan B <pair@ryanb.org> wrote:

> I take it back, that override doesn't fully prevent it after all. 😢
>
> On Mon, Dec 5, 2022 at 6:57 AM Ryan B <pair@ryanb.org> wrote:
>
>> Confirmed, probably the same root cause. When I brute force override
>> python-nav-end-of-statement like below, it doesn't happen any more.
>>
>> (defun python-nav-end-of-statement (&optional noend)
>>   (interactive "^")
>>   (forward-line 1))
>>
>>
>> On Mon, Dec 5, 2022 at 6:44 AM Ryan B <pair@ryanb.org> wrote:
>>
>>> I think I have a repro for this with a single quote ' , as opposed to
>>> triple string. I think I started seeing this hang after upgrading to Emacs
>>> 28.2. I now hit it very often, it's pretty painful. I don't know for sure
>>> that it's the same bug, but it seems likely. Reproduces with emacs -Q:
>>>
>>> ======
>>> class Foo():
>>>
>>>   def __init__(self):
>>>     '
>>>
>>>   def bar(self):
>>>     """Fetches posts and converts them to ActivityStreams activities.
>>>     See source.Source.get_activities_response for details. app_id is
>>>     ignored. min_id is translated to Twitter's since_id.
>>>     """
>>>     pass
>>> ======
>>>
>>> The single quote and multiple lines in the docstring are necessary for
>>> the repro. No extra newline at the end needed though.
>>>
>>> JD, do you have a workaround for this? I may look into overriding
>>> python-nav-end-of-defun until it's fixed. Any other ideas?
>>>
>>> My emacs-version: GNU Emacs 28.2 (build 1, aarch64-apple-darwin21.1.0,
>>> NS appkit-2113.00 Version 12.0.1 (Build 21A559)) of 2022-09-12
>>>
>>> --
>>> https://snarfed.org/
>>>
>>
>>
>> --
>> https://snarfed.org/
>>
>
>
> --
> https://snarfed.org/
>


-- 
https://snarfed.org/

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