async def awaitable(receive: Receive, send: Send) -> None:
app = scope["app"]
route, route_scope = app.router.get_route_from_scope(scope)
state = {
"scope": scope,
"receive": receive,
"send": send,
"exc": None,
"app": app,
"path_params": route_scope["path_params"],
"route": route,
"request": http.Request(scope, receive),
}
injected_func = await app.injector.inject(endpoint, state)
if asyncio.iscoroutinefunction(endpoint):
response = await injected_func()
else:
response = await run_in_threadpool(injected_func)
# Wrap response data with a proper response class
if isinstance(response, (dict, list)):
response = APIResponse(content=response,
schema=get_output_schema(endpoint))
elif isinstance(response, str):
response = APIResponse(content=response)
elif response is None:
response = APIResponse(content="")
await response(receive, send)
def test_render_no_schema(self):
content = {"foo": "bar"}
expected_result = {"foo": "bar"}
response = APIResponse(content=content)
assert json.loads(response.body.decode()) == expected_result
def test_render_no_content(self):
content = {}
expected_result = b""
response = APIResponse(content=content)
assert response.body == expected_result
def test_render_error(self, schema):
content = {}
expected_calls = [call(content)]
schema.dump.side_effect = Exception
with pytest.raises(SerializationError):
APIResponse(schema=schema, content=content)
assert schema.dump.call_args_list == expected_calls
def test_render(self, schema):
content = {"foo": "bar"}
expected_calls = [call(content)]
expected_result = {"foo": "bar"}
schema.dump.return_value = content
response = APIResponse(schema=schema, content=content)
assert schema.dump.call_args_list == expected_calls
assert json.loads(response.body.decode()) == expected_result
async def dispatch(self) -> None:
request = Request(self.scope, receive=self.receive)
app = self.scope["app"]
route, route_scope = app.router.get_route_from_scope(self.scope)
state = {
"scope": self.scope,
"receive": self.receive,
"send": self.send,
"exc": None,
"app": app,
"path_params": route_scope["path_params"],
"route": route,
"request": request,
}
handler_name = "get" if request.method == "HEAD" else request.method.lower()
handler = getattr(self, handler_name, self.method_not_allowed)
injected_func = await app.injector.inject(handler, state)
background_task = next(
(v for k, v in state.items() if k.startswith('backgroundtasks:') and isinstance(v, BackgroundTask)),
None
)
if asyncio.iscoroutinefunction(handler):
response = await injected_func()
else:
response = await run_in_threadpool(injected_func)
# Wrap response data with a proper response class
if isinstance(response, (dict, list)):
response = APIResponse(content=response, schema=get_output_schema(handler), background=background_task)
elif isinstance(response, str):
response = APIResponse(content=response, background=background_task)
elif response is None:
response = APIResponse(content="", background=background_task)
elif not isinstance(response, Response):
schema = get_output_schema(handler)
if schema is not None:
response = APIResponse(content=response, schema=get_output_schema(handler), background=background_task)
await response(self.scope, self.receive, self.send)
async def drop(self) -> DropCollection:
query = sqlalchemy.select(
[sqlalchemy.func.count(self.model.c[model.primary_key.name])])
result = next(
(i for i in (await self.database.fetch_one(query)).values()))
query = self.model.delete()
await self.database.execute(query)
return APIResponse(schema=DropCollection(),
content={"deleted": result},
status_code=204)
async def dispatch(self, request: Request, state: typing.Dict,
**kwargs) -> Response:
handler_name = "get" if request.method == "HEAD" else request.method.lower(
)
handler = getattr(self, handler_name, self.method_not_allowed)
app = state["app"]
injected_func = await app.injector.inject(handler, state)
if asyncio.iscoroutinefunction(handler):
response = await injected_func()
else:
response = await run_in_threadpool(injected_func)
# Wrap response data with a proper response class
if isinstance(response, (dict, list)):
response = APIResponse(content=response,
schema=get_output_schema(handler))
elif isinstance(response, str):
response = APIResponse(content=response)
elif response is None:
response = APIResponse(content="")
return response
async def delete(self, element_id: model.primary_key.type):
query = sqlalchemy.select([
sqlalchemy.exists().where(
self.model.c[model.primary_key.name] == element_id)
])
exists = next(
(i for i in (await self.database.fetch_one(query)).values()))
if not exists:
raise HTTPException(status_code=404)
query = self.model.delete().where(
self.model.c[model.primary_key.name] == element_id)
await self.database.execute(query)
return APIResponse(status_code=204)
async def _app(scope: Scope, receive: Receive, send: Send) -> None:
app = scope["app"]
route, route_scope = app.router.get_route_from_scope(scope)
state = {
"scope": scope,
"receive": receive,
"send": send,
"exc": None,
"app": app,
"path_params": route_scope["path_params"],
"route": route,
"request": http.Request(scope, receive),
}
try:
injected_func = await app.injector.inject(endpoint, state)
background_task = next((v for k, v in state.items()
if k.startswith('backgroundtasks:')
and isinstance(v, BackgroundTask)),
None)
if asyncio.iscoroutinefunction(endpoint):
response = await injected_func()
else:
response = await run_in_threadpool(injected_func)
# Wrap response data with a proper response class
if isinstance(response, (dict, list)):
response = APIResponse(
content=response,
schema=get_output_schema(endpoint),
background=background_task,
status_code=self.status_code,
)
elif isinstance(response, str):
response = APIResponse(
content=response,
background=background_task,
status_code=self.status_code,
)
elif response is None:
response = APIResponse(
content="",
background=background_task,
status_code=self.status_code,
)
elif not isinstance(response, Response):
schema = get_output_schema(endpoint)
if schema is not None:
response = APIResponse(
content=response,
schema=get_output_schema(endpoint),
background=background_task,
status_code=self.status_code,
)
except Exception:
logger.exception("Error building response")
raise
await response(scope, receive, send)
async def create(self, element: input_schema) -> output_schema:
query = self.model.insert().values(**element)
await self.database.execute(query)
return APIResponse(schema=output_schema(),
content=element,
status_code=201)
def test_init(self, schema):
with patch("flama.responses.JSONResponse.__init__"):
response = APIResponse(schema=schema)
assert response.schema == schema
