John Snow <[email protected]> writes:
> This function is a bit hard to type as-is; mypy needs some assertions to
> assist with the type narrowing.
>
> Signed-off-by: John Snow <[email protected]>
> ---
> scripts/qapi/schema.py | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py
> index a1094283828..3308f334872 100644
> --- a/scripts/qapi/schema.py
> +++ b/scripts/qapi/schema.py
> @@ -968,8 +968,12 @@ def lookup_entity(self, name, typ=None):
> return None
> return ent
>
> - def lookup_type(self, name):
> - return self.lookup_entity(name, QAPISchemaType)
> + def lookup_type(self, name: str) -> Optional[QAPISchemaType]:
Any particular reason not to delay the type hints until PATCH 16?
> + typ = self.lookup_entity(name, QAPISchemaType)
> + if typ is None:
> + return None
> + assert isinstance(typ, QAPISchemaType)
> + return typ
Would
typ = self.lookup_entity(name, QAPISchemaType)
assert isinstance(typ, Optional[QAPISchemaType])
return typ
work?
>
> def resolve_type(self, name, info, what):
> typ = self.lookup_type(name)
