def unmarshal(self, data):
try:
d = json_decode_binary(data)
except ValueError as e:
raise JSONError(error=e)
if not isinstance(d, dict):
raise JSONError(error=_('Request must be a dict'))
if 'method' not in d:
raise JSONError(error=_('Request is missing "method"'))
if 'params' not in d:
raise JSONError(error=_('Request is missing "params"'))
method = d['method']
params = d['params']
_id = d.get('id')
if not isinstance(params, (list, tuple)):
raise JSONError(error=_('params must be a list'))
if len(params) != 2:
raise JSONError(error=_('params must contain [args, options]'))
args = params[0]
if not isinstance(args, (list, tuple)):
raise JSONError(error=_('params[0] (aka args) must be a list'))
options = params[1]
if not isinstance(options, dict):
raise JSONError(error=_('params[1] (aka options) must be a dict'))
options = dict((str(k), v) for (k, v) in options.items())
return (method, args, options, _id)
def __request(self, name, args):
print_json = self.__verbose >= 2
payload = {'method': unicode(name), 'params': args, 'id': 0}
version = args[1].get('version', VERSION_WITHOUT_CAPABILITIES)
payload = json_encode_binary(
payload, version, pretty_print=print_json)
if print_json:
logger.info(
'Request: %s',
payload
)
response = self.__transport.request(
self.__host,
self.__handler,
payload.encode('utf-8'),
verbose=self.__verbose >= 3,
)
if print_json:
logger.info(
'Response: %s',
json.dumps(json.loads(response), sort_keys=True, indent=4)
)
try:
response = json_decode_binary(response)
except ValueError as e:
raise JSONError(error=str(e))
error = response.get('error')
if error:
try:
error_class = errors_by_code[error['code']]
except KeyError:
raise UnknownError(
code=error.get('code'),
error=error.get('message'),
server=self.__host,
)
else:
kw = error.get('data', {})
kw['message'] = error['message']
raise error_class(**kw)
return response['result']
def __request(self, name, args):
payload = {'method': unicode(name), 'params': args, 'id': 0}
version = args[1].get('version', VERSION_WITHOUT_CAPABILITIES)
payload = json_encode_binary(payload, version)
if self.__verbose >= 2:
root_logger.info('Request: %s',
json.dumps(payload, sort_keys=True, indent=4))
response = self.__transport.request(
self.__host,
self.__handler,
json.dumps(payload),
verbose=self.__verbose >= 3,
)
try:
response = json_decode_binary(json.loads(response))
except ValueError, e:
raise JSONError(str(e))
def unmarshal(self, data):
try:
d = json.loads(data)
except ValueError, e:
raise JSONError(error=e)
class jsonserver(WSGIExecutioner, HTTP_Status):
"""
JSON RPC server.
For information on the JSON-RPC spec, see:
http://json-rpc.org/wiki/specification
"""
content_type = 'application/json'
def __call__(self, environ, start_response):
'''
'''
self.debug('WSGI jsonserver.__call__:')
response = super(jsonserver, self).__call__(environ, start_response)
return response
def marshal(self,
result,
error,
_id=None,
version=VERSION_WITHOUT_CAPABILITIES):
if error:
assert isinstance(error, PublicError)
error = dict(
code=error.errno,
message=error.strerror,
name=unicode(error.__class__.__name__),
)
principal = getattr(context, 'principal', 'UNKNOWN')
response = dict(
result=result,
error=error,
id=_id,
principal=unicode(principal),
version=unicode(VERSION),
)
response = json_encode_binary(response, version)
return json.dumps(response, sort_keys=True, indent=4)
def unmarshal(self, data):
try:
d = json.loads(data)
except ValueError, e:
raise JSONError(error=e)
if not isinstance(d, dict):
raise JSONError(error=_('Request must be a dict'))
if 'method' not in d:
raise JSONError(error=_('Request is missing "method"'))
if 'params' not in d:
raise JSONError(error=_('Request is missing "params"'))
d = json_decode_binary(d)
method = d['method']
params = d['params']
_id = d.get('id')
if not isinstance(params, (list, tuple)):
raise JSONError(error=_('params must be a list'))
if len(params) != 2:
raise JSONError(error=_('params must contain [args, options]'))
args = params[0]
if not isinstance(args, (list, tuple)):
raise JSONError(error=_('params[0] (aka args) must be a list'))
options = params[1]
if not isinstance(options, dict):
raise JSONError(error=_('params[1] (aka options) must be a dict'))
options = dict((str(k), v) for (k, v) in options.iteritems())
return (method, args, options, _id)
