def get_model(request):
'''
Returns Model object in JSON.
- This method varies slightly from the common object method in that
if we don't specify a model ID, we:
- return the current active model if it exists or...
- return the specification.
'''
ret = None
obj_id = obj_id_from_url(request)
gnome_sema = request.registry.settings['py_gnome_semaphore']
gnome_sema.acquire()
if not obj_id:
my_model = get_active_model(request.session)
if my_model:
ret = my_model.serialize()
else:
# - return a Model specification
ret = get_specifications(request, implemented_types)
else:
obj = get_session_object(obj_id, request.session)
if obj:
if ObjectImplementsOneOf(obj, implemented_types):
set_active_model(request.session, obj.id)
ret = obj.serialize()
else:
raise HTTPUnsupportedMediaType()
else:
raise HTTPNotFound()
gnome_sema.release()
return ret
def update_map(request):
'''Updates a Gnome Map object.'''
try:
json_request = json.loads(request.body)
except:
raise HTTPBadRequest()
if not JSONImplementsOneOf(json_request, implemented_types):
raise HTTPNotImplemented()
obj = get_session_object(obj_id_from_req_payload(json_request),
request.session)
if obj:
try:
UpdateObject(obj, json_request, request.session['objects'])
except ValueError as e:
raise HTTPUnsupportedMediaType(e)
else:
raise HTTPNotFound()
set_session_object(obj, request.session)
return obj.serialize()
def update_model(request):
'''
Returns Model object in JSON.
- This method varies slightly from the common object method in that
if we don't specify a model ID, we:
- update the current active model if it exists or...
- generate a 'Not Found' exception.
'''
ret = None
try:
json_request = json.loads(request.body)
except:
raise HTTPBadRequest()
if not JSONImplementsOneOf(json_request, implemented_types):
raise HTTPNotImplemented()
gnome_sema = request.registry.settings['py_gnome_semaphore']
gnome_sema.acquire()
obj_id = obj_id_from_req_payload(json_request)
if obj_id:
my_model = get_session_object(obj_id, request.session)
else:
my_model = get_active_model(request.session)
if my_model:
if UpdateObject(my_model, json_request,
get_session_objects(request.session)):
set_session_object(my_model, request.session)
ret = my_model.serialize()
else:
gnome_sema.release()
raise HTTPNotFound()
gnome_sema.release()
return ret
