Re: [PATCH] qapi/parser: Fix type hints

[Markus Armbruster <armbru@redhat.com>]

Richard Henderson <richard.henderson@linaro.org> writes:

> On 5/11/23 04:17, Markus Armbruster wrote:
>> Fixes: 3e32dca3f0d1 (qapi: Rewrite parsing of doc comment section symbols and tags)
>> Signed-off-by: Markus Armbruster <armbru@redhat.com>
>> ---
>>   scripts/qapi/parser.py | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>> diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
>> index 4923a59d60..9315412ab2 100644
>> --- a/scripts/qapi/parser.py
>> +++ b/scripts/qapi/parser.py
>> @@ -563,11 +563,11 @@ def end_comment(self) -> None:
>>           self._switch_section(QAPIDoc.NullSection(self._parser))
>>         @staticmethod
>> -    def _match_at_name_colon(string: str) -> re.Match:
>> +    def _match_at_name_colon(string: str) -> Optional[re.Match[str]]:
>>           return re.match(r'@([^:]*): *', string)
>>         @staticmethod
>> -    def _match_section_tag(string: str) -> re.Match:
>> +    def _match_section_tag(string: str) -> Optional[re.Match[str]]:
>>           return re.match(r'(Returns|Since|Notes?|Examples?|TODO): *', string)
>>         def _append_body_line(self, line: str) -> None:
>
> Doesn't work:
>
> https://gitlab.com/qemu-project/qemu/-/jobs/4289613692#L574
>
>   File "/builds/qemu-project/qemu/scripts/qapi/parser.py", line 566, in QAPIDoc
>     def _match_at_name_colon(string: str) -> Optional[re.Match[str]]:
> TypeError: 'type' object is not subscriptable

Life's too short for wrestling with such pigs.  Unless John has better
ideas, I'll *remove* these return type annotations.  Maybe these pigs
will behave after John's Python venv work lands.