def __cborsenml_set(self, payload, request_uri):
try:
new = cbor.loads(payload)
if len(new) != 1 or new[0].get(-2, "") + new[0].get(0, "") != request_uri:
raise BadRequest("Not a single record pertaining to this resource")
self.value = self.valuetype(new[self.cborsenml_key])
except (KeyError, ValueError):
raise BadRequest()
def __jsonsenml_set(self, payload, request_uri):
try:
new = json.loads(payload.decode('utf8'))
if len(new) != 1 or new[0].get("bn", "") + new[0].get("n", "") != request_uri:
raise BadRequest("Not a single record pertaining to this resource")
self.value = self.valuetype(new[0][self.jsonsenml_key])
except (KeyError, ValueError):
raise BadRequest()
async def render(self, request):
cf = request.opt.content_format
acc = request.opt.accept
raise_class = UnallowedMethod
method_would_have_worked = False
# FIXME: manually walking the MRO is not a nice way to go about this;
# is there no other way to query the registered handlers according to
# the regular inheritance patterns?
for cls in type(self).mro():
if not issubclass(
cls, ContenttypeRendered) or cls is ContenttypeRendered:
continue
for_method = cls.__handlers.get(request.code, None)
if for_method is None:
continue
raise_class = UnsupportedContentFormat
handler, responseformat = for_method.get((acc, cf), (None, None))
if handler is not None:
break
else:
raise raise_class()
sig = inspect.signature(handler)
parameters = set(sig.parameters.keys())
parameters.remove("self")
kwargs = {}
if request.payload and "payload" not in parameters:
raise BadRequest("Unexpected payload")
if request.opt.uri_query and "query" not in parameters:
raise BadRequest("Unexepcted query arguments")
for p in parameters:
if p == "payload":
kwargs['payload'] = request.payload
elif p == "request_uri":
# BIG FIXME: This does not give the expected results due to the
# URI path stripping in Site, and because Message gets the
# requested authority wrong on the server side.
kwargs["request_uri"] = request.get_request_uri()
else:
raise RuntimeError("Unexpected argument requested: %s" % p)
payload = handler(self, **kwargs)
if payload is None:
payload = b""
elif isinstance(payload, str):
payload = payload.encode('utf8')
return Message(
code={
GET: CONTENT,
PUT: CHANGED
}[request.code],
payload=payload,
content_format=responseformat,
no_response=request.opt.no_response,
)
def __textplain_set(self, payload):
try:
self.value = {
"0": False,
"1": True
}[payload.decode('utf8').strip()]
except (KeyError, ValueError):
raise BadRequest()
async def render(self, request):
cf = request.opt.content_format
acc = request.opt.accept
raise_class = UnallowedMethod
method_would_have_worked = False
# FIXME: manually walking the MRO is not a nice way to go about this;
# is there no other way to query the registered handlers according to
# the regular inheritance patterns?
for cls in type(self).mro():
if not issubclass(cls, ContenttypeRendered):
continue
for_method = cls.__handlers.get(request.code, None)
if for_method is None:
continue
raise_class = UnsupportedContentFormat
handler, responseformat = for_method.get((acc, cf), (None, None))
if handler is not None:
break
else:
raise raise_class()
sig = inspect.signature(handler)
if any(i != 0 and a.kind not in (inspect.Parameter.KEYWORD_ONLY,
inspect.Parameter.VAR_KEYWORD)
for (i, a) in enumerate(sig.parameters.values())):
# there's a positional argument
args = (request.payload, )
else:
if request.payload:
raise BadRequest("Unexpected payload")
args = ()
# FIXME add query as kwargs?
payload = handler(self, *args)
if payload is None:
payload = b""
elif isinstance(payload, str):
payload = payload.encode('utf8')
return Message(code={
GET: CONTENT,
PUT: CHANGED
}[request.code],
payload=payload,
content_format=responseformat)
def __textplain_set(self, payload):
try:
self.value = self.valuetype(payload.decode('utf8').strip())
except ValueError:
raise BadRequest()
def __cborsenml_set(self, value):
try:
self.value = self.valuetype(new[self.cborsenml_key])
except (KeyError, ValueError):
raise BadRequest()
def __jsonsenml_set(self, new):
try:
self.value = self.valuetype(new[self.jsonsenml_key])
except (KeyError, ValueError):
raise BadRequest()
