Adapt to FastAPI changes

src/labthings_fastapi/outputs/blob.py

@@ -366,7 +366,7 @@
         if self.href == "blob://local":
             if self._data:
                 return self
             raise ValueError("Blob objects must have data if the href is blob://local")
         try:
             url_to_blobdata = url_to_blobdata_ctx.get()
             self._data = url_to_blobdata(self.href)
@@ -452,7 +452,7 @@
         :raise  ValueError: if there is no data stored on disk or in memory.
         """
         if self._data is None:
             raise ValueError("This Blob has no data.")
         return self._data
 
     @property
@@ -571,7 +571,7 @@
 
         :return: an HTTP response that streams data from memory or file.
         """
         return self.data.response()
 
 
 def blob_type(media_type: str) -> type[Blob]:
@@ -657,7 +657,7 @@
             if blob.id in self._blobs:
                 return blob.id
             else:
                 raise ValueError(
                     f"BlobData already has an ID {blob.id} "
                     "but was not found in this BlobDataManager"
                 )
@@ -730,7 +730,7 @@
 
 async def blob_serialisation_context_manager(
     request: Request,
-) -> AsyncGenerator[BlobDataManager]:
+) -> AsyncGenerator[BlobDataManager, None]:
     r"""Set context variables to allow blobs to be [de]serialised.
 
     In order to serialise a `.Blob` to a JSON-serialisable dictionary, we must

src/labthings_fastapi/server/__init__.py

@@ -164,7 +164,7 @@
         instances = self.things_by_class(cls)
         if len(instances) == 1:
             return instances[0]
         raise RuntimeError(
             f"There are {len(instances)} Things of class {cls}, expected 1."
         )
 
@@ -241,7 +241,7 @@
             thing.attach_to_server(self)
 
     @asynccontextmanager
-    async def lifespan(self, app: FastAPI) -> AsyncGenerator[None]:
+    async def lifespan(self, app: FastAPI) -> AsyncGenerator[None, None]:
         """Manage set up and tear down of the server and Things.
 
         This method is used as a lifespan function for the FastAPI app. See
@@ -300,7 +300,7 @@
                 are `pydantic.BaseModel` subclasses that get serialised to
                 dictionaries.
             """
             return {
                 path: thing.thing_description(path, base=str(request.base_url))
                 for path, thing in thing_server.things.items()
             }
@@ -314,7 +314,7 @@
             :return: a list of paths pointing to `.Thing` instances. These
                 URLs will return the :ref:`wot_td` of one `.Thing` each.
             """  # noqa: D403 (URLs is correct capitalisation)
             return {
                 t: f"{str(request.base_url).rstrip('/')}{t}"
                 for t in thing_server.things.keys()
             }