def _dispatch(self, method, params):
func = None
try:
func = self.funcs[method]
except KeyError:
if self.instance is not None:
if hasattr(self.instance, '_dispatch'):
return self.instance._dispatch(method, params)
else:
try:
func = SimpleXMLRPCServer.resolve_dotted_attribute(
self.instance, method, True)
except AttributeError:
pass
if func is not None:
try:
if type(params) is types.ListType:
response = func(*params)
else:
response = func(**params)
return response
except TypeError:
return Fault(-32602, 'Invalid parameters.')
except:
err_lines = traceback.format_exc().splitlines()
trace_string = '%s | %s' % (err_lines[-3], err_lines[-1])
fault = jsonrpclib.Fault(-32603,
'Server error: %s' % trace_string)
return fault
else:
return Fault(-32601, 'Method %s not supported.' % method)
def _marshaled_single_dispatch(self, request):
# TODO - Use the multiprocessing and skip the response if
# it is a notification
# Put in support for custom dispatcher here
# (See SimpleXMLRPCServer._marshaled_dispatch)
method = request.get('method')
params = request.get('params')
try:
response = self._dispatch(method, params)
except:
exc_type, exc_value, exc_tb = sys.exc_info()
fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
return fault.response()
if 'id' not in request.keys() or request['id'] == None:
# It's a notification
return None
try:
response = jsonrpclib.dumps(response,
methodresponse=True,
rpcid=request['id']
)
return response
except:
exc_type, exc_value, exc_tb = sys.exc_info()
fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
return fault.response()
def _marshaled_dispatch(self, data, dispatch_method = None):
response = None
try:
request = jsonrpclib.loads(data)
except Exception, e:
fault = Fault(-32700, 'Request %s invalid. (%s)' % (data, e))
response = fault.response()
return response
def _marshaled_dispatch(self, data, dispatch_method=None):
response = None
try:
request = jsonrpclib.loads(data)
except Exception, e:
fault = Fault(-32700, 'Request %s invalid. (%s)' % (data, e))
response = fault.response()
return response
def validate_request(request):
if type(request) is not types.DictType:
fault = Fault(-32600, 'Request must be {}, not %s.' % type(request))
return fault
rpcid = request.get('id', None)
version = get_version(request)
if not version:
fault = Fault(-32600, 'Request %s invalid.' % request, rpcid=rpcid)
return fault
request.setdefault('params', [])
method = request.get('method', None)
params = request.get('params')
param_types = (types.ListType, types.DictType, types.TupleType)
if not method or type(method) not in types.StringTypes or \
type(params) not in param_types:
fault = Fault(-32600,
'Invalid request parameters or method.',
rpcid=rpcid)
return fault
return True
def _marshaled_single_dispatch(self, request):
# TODO - Use the multiprocessing and skip the response if
# it is a notification
# Put in support for custom dispatcher here
# (See SimpleXMLRPCServer._marshaled_dispatch)
method = request.get('method')
params = request.get('params')
try:
response = self._dispatch(method, params)
except:
exc_type, exc_value, exc_tb = sys.exc_info()
fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
return fault.response()
if 'id' not in request.keys() or request['id'] == None:
# It's a notification
return None
try:
response = jsonrpclib.dumps(response,
methodresponse=True,
rpcid=request['id'])
return response
except:
exc_type, exc_value, exc_tb = sys.exc_info()
fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
return fault.response()
class SimpleJSONRPCDispatcher(SimpleXMLRPCServer.SimpleXMLRPCDispatcher):
def __init__(self, encoding=None):
SimpleXMLRPCServer.SimpleXMLRPCDispatcher.__init__(self,
allow_none=True,
encoding=encoding)
def _marshaled_dispatch(self, data, dispatch_method = None):
response = None
try:
request = jsonrpclib.loads(data)
except Exception, e:
fault = Fault(-32700, 'Request %s invalid. (%s)' % (data, e))
response = fault.response()
return response
if not request:
fault = Fault(-32600, 'Request invalid -- no request data.')
return fault.response()
if type(request) is types.ListType:
# This SHOULD be a batch, by spec
responses = []
for req_entry in request:
result = validate_request(req_entry)
if type(result) is Fault:
responses.append(result.response())
continue
resp_entry = self._marshaled_single_dispatch(req_entry)
if resp_entry is not None:
responses.append(resp_entry)
if len(responses) > 0:
response = '[%s]' % ','.join(responses)
else:
response = ''
else:
result = validate_request(request)
if type(result) is Fault:
return result.response()
response = self._marshaled_single_dispatch(request)
return response