async def get_value(self, request: Request) -> T:
if request.declares_json(
) and request.method not in self._excluded_methods:
data = await request.json()
if not data:
raise MissingBodyError()
return self.parse_value(data)
if self.required:
if not request.has_body():
raise MissingBodyError()
raise InvalidRequestBody('Expected JSON payload')
return None
async def get_value(self, request: Request) -> T:
if request.method not in self._excluded_methods and self.matches_content_type(
request):
data = await self.read_data(request)
if not data:
raise MissingBodyError()
return self.parse_value(data)
if self.required:
if not request.has_body():
raise MissingBodyError()
raise InvalidRequestBody(
f'Expected payload {self.__class__.__name__}')
return None
async def get_value(self, request: Request) -> Optional[T]:
if request.method not in self._excluded_methods and self.matches_content_type(
request):
data = await self.read_data(request)
if not data:
raise MissingBodyError()
return self.parse_value(data)
if self.required:
if self.default is not empty:
# very unlikely: this is to support user defined default parameters
return None
if not request.has_body():
raise MissingBodyError()
raise InvalidRequestBody("Expected request content")
return None