def _call(self, *args, **kwargs):
"""Core of RPC dispatch without error interpretation, logging, or return value decoding."""
params = kwargs if len(kwargs) else args
jsonrpc_params = {"jsonrpc": self.__version,
"method": self.__service_name,
'params': params,
'id': message_id()
}
parameters = json.dumps(jsonrpc_params)
url = self._get_url(jsonrpc_params)
if "serverless" in url or "server-less" in url:
raise exceptions.ServiceError("Configured for server-less mode. Skipping JSON RPC " + repr(self.__service_name))
if log.get_verbose() <= 50:
log.verbose("CRDS JSON RPC", self.__service_name, params if len(str(params)) <= 60 else "(...)", "-->")
else:
log.verbose("CRDS JSON RPC to", url, "parameters", params, "-->")
response = apply_with_retries(self._call_service, parameters, url)
try:
rval = json.loads(response)
except Exception as exc:
log.warning("Invalid CRDS jsonrpc response:\n", response)
raise
return rval
def classify_exception(self, decoded):
"""Interpret exc __str__ to define as more precise CRDS exception."""
if "Channel" in decoded and "not found" in decoded:
return exceptions.StatusChannelNotFoundError(decoded)
elif "External agent requested calling process termination." in decoded:
return exceptions.OwningProcessAbortedError(decoded)
else:
msg = "CRDS jsonrpc failure " + repr(self.__service_name) + " " + str(decoded)
return exceptions.ServiceError(msg)
def _call_service(self, parameters, url):
"""Call the JSONRPC defined by `parameters` and raise a ServiceError on any exception."""
if not isinstance(parameters, bytes):
parameters = parameters.encode("utf-8")
try:
channel = request.urlopen(url, parameters)
return channel.read().decode("utf-8")
except Exception as exc:
raise exceptions.ServiceError("CRDS jsonrpc failure " + repr(self.__service_name) + " " + str(exc)) from exc
def _call(self, *args, **kwargs):
"""Core of RPC dispatch without error interpretation, logging, or return value decoding."""
params = kwargs if len(kwargs) else args
# if Any.kind(params) == Object and self.__version != '2.0':
# raise Exception('Unsupport arg type for JSON-RPC 1.0 '
# '(the default version for this client, '
# 'pass version="2.0" to use keyword arguments)')
jsonrpc_params = {
"jsonrpc": self.__version,
"method": self.__service_name,
'params': params,
'id': message_id()
}
parameters = json.dumps(jsonrpc_params)
url = self._get_url(jsonrpc_params)
if "serverless" in url or "server-less" in url:
raise exceptions.ServiceError(
"Configured for server-less mode. Skipping JSON RPC " +
repr(self.__service_name))
if log.get_verbose() <= 50:
log.verbose("CRDS JSON RPC", self.__service_name,
params if len(str(params)) <= 60 else "(...)", "-->")
else:
log.verbose("CRDS JSON RPC to", url, "parameters", params, "-->")
response = apply_with_retries(self._call_service, parameters, url)
try:
rval = json.loads(response)
except Exception as exc:
log.warning("Invalid CRDS jsonrpc response:\n", response)
raise
return rval