def create_map(request):
'''Creates a Gnome Map object.'''
log_prefix = 'req({0}): create_map():'.format(id(request))
init_session_objects(request)
try:
json_request = ujson.loads(request.body)
except:
raise cors_exception(request, HTTPBadRequest)
if not JSONImplementsOneOf(json_request, implemented_types):
raise cors_exception(request, HTTPNotImplemented)
if 'filename' in json_request:
json_request['filename'] = get_file_path(request,
json_request=json_request)
gnome_sema = request.registry.settings['py_gnome_semaphore']
gnome_sema.acquire()
log.info(' ' + log_prefix + 'semaphore acquired...')
try:
obj = CreateObject(json_request, get_session_objects(request))
except:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
finally:
gnome_sema.release()
log.info(' ' + log_prefix + 'semaphore released...')
set_session_object(obj, request)
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.
'''
log_prefix = 'req({0}): update_model():'.format(id(request))
log.info('>>' + log_prefix)
ret = None
try:
json_request = ujson.loads(request.body.decode('utf-8'))
except Exception:
raise cors_exception(request, HTTPBadRequest)
if not JSONImplementsOneOf(json_request, implemented_types):
raise cors_exception(request, HTTPNotImplemented)
session_lock = acquire_session_lock(request)
log.info(' {} session lock acquired (sess:{}, thr_id: {})'.format(
log_prefix, id(session_lock),
current_thread().ident))
obj_id = obj_id_from_req_payload(json_request)
if obj_id:
active_model = get_session_object(obj_id, request)
else:
active_model = get_active_model(request)
if active_model:
try:
if UpdateObject(active_model, json_request,
get_session_objects(request)):
set_session_object(active_model, request)
ret = active_model.serialize(options=web_ser_opts)
except Exception:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
finally:
session_lock.release()
log.info(' ' + log_prefix + 'session lock released...')
else:
session_lock.release()
log.info(' {} session lock released (sess:{}, thr_id: {})'.format(
log_prefix, id(session_lock),
current_thread().ident))
msg = ("raising cors_exception() in update_model. "
"Updating model before it exists.")
log.warning(' ' + log_prefix + msg)
raise cors_exception(request, HTTPNotFound)
log.info('<<' + log_prefix)
return ret
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.
'''
log_prefix = 'req({0}): update_model():'.format(id(request))
log.info('>>' + log_prefix)
ret = None
try:
json_request = ujson.loads(request.body)
except:
raise cors_exception(request, HTTPBadRequest)
if not JSONImplementsOneOf(json_request, implemented_types):
raise cors_exception(request, HTTPNotImplemented)
gnome_sema = request.registry.settings['py_gnome_semaphore']
gnome_sema.acquire()
log.info(' ' + log_prefix + 'semaphore acquired...')
obj_id = obj_id_from_req_payload(json_request)
if obj_id:
active_model = get_session_object(obj_id, request)
else:
active_model = get_active_model(request)
if active_model:
try:
if UpdateObject(active_model, json_request,
get_session_objects(request)):
set_session_object(active_model, request)
ret = active_model.serialize()
except:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
finally:
gnome_sema.release()
log.info(' ' + log_prefix + 'semaphore released...')
else:
gnome_sema.release()
log.info(' ' + log_prefix + 'semaphore released...')
msg = ("raising cors_exception() in update_model. "
"Updating model before it exists.")
log.warning(' ' + log_prefix + msg)
raise cors_exception(request, HTTPNotFound)
log.info('<<' + log_prefix)
return ret
def create_model(request):
'''
Creates a new model
'''
log_prefix = 'req({0}): create_object():'.format(id(request))
log.info('>>' + log_prefix)
try:
json_request = ujson.loads(request.body.decode('utf-8'))
except Exception:
json_request = None
if json_request and not JSONImplementsOneOf(json_request,
implemented_types):
raise cors_exception(request, HTTPNotImplemented)
session_lock = acquire_session_lock(request)
log.info(' {} session lock acquired (sess:{}, thr_id: {})'.format(
log_prefix, id(session_lock),
current_thread().ident))
try:
clean_session_dir(request)
init_session_objects(request, force=True)
if json_request:
new_model = CreateObject(json_request,
get_session_objects(request))
else:
new_model = Model()
set_session_object(new_model, request)
set_active_model(request, new_model.id)
except Exception:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
finally:
session_lock.release()
log.info(' {} session lock released (sess:{}, thr_id: {})'.format(
log_prefix, id(session_lock),
current_thread().ident))
log.info('<<' + log_prefix)
return new_model.serialize(options=web_ser_opts)
def create_model(request):
'''
Creates a new model
'''
log_prefix = 'req({0}): create_object():'.format(id(request))
log.info('>>' + log_prefix)
try:
json_request = ujson.loads(request.body)
except:
json_request = None
if json_request and not JSONImplementsOneOf(json_request,
implemented_types):
raise cors_exception(request, HTTPNotImplemented)
gnome_sema = request.registry.settings['py_gnome_semaphore']
gnome_sema.acquire()
log.info(' ' + log_prefix + 'semaphore acquired...')
try:
init_session_objects(request, force=True)
if json_request:
new_model = CreateObject(json_request,
get_session_objects(request))
else:
new_model = Model()
set_session_object(new_model, request)
set_session_object(new_model._map, request)
set_active_model(request, new_model.id)
except:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
finally:
gnome_sema.release()
log.info(' ' + log_prefix + 'semaphore released...')
log.info('<<' + log_prefix)
return new_model.serialize()
def update_map(request):
'''Updates a Gnome Map object.'''
try:
json_request = ujson.loads(request.body.decode('utf-8'))
except Exception:
raise cors_exception(request, HTTPBadRequest)
if not JSONImplementsOneOf(json_request, implemented_types):
raise cors_exception(request, HTTPNotImplemented)
obj = get_session_object(obj_id_from_req_payload(json_request), request)
if obj:
try:
UpdateObject(obj, json_request, get_session_objects(request))
except Exception:
raise cors_exception(request,
HTTPUnsupportedMediaType,
with_stacktrace=True)
else:
raise cors_exception(request, HTTPNotFound)
set_session_object(obj, request)
return obj.serialize(options=web_ser_opts)