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artiq/artiq/frontend/artiq_rpctool.py
2015-02-12 09:31:04 +08:00

108 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import textwrap
import sys
from artiq.protocols.pc_rpc import Client
def get_argparser():
parser = argparse.ArgumentParser(
description="ARTIQ RPC tool")
parser.add_argument("server",
help="hostname or IP of the controller to connect to")
parser.add_argument("port", type=int,
help="TCP port to use to connect to the controller")
subparsers = parser.add_subparsers(dest="action")
subparsers.required = True
subparsers.add_parser("list-targets", help="list existing targets")
parser_list_methods = subparsers.add_parser("list-methods",
help="list target's methods")
parser_list_methods.add_argument("-t", "--target", help="target name")
parser_call = subparsers.add_parser("call", help="call a target's method")
parser_call.add_argument("-t", "--target", help="target name")
parser_call.add_argument("method", help="method name")
parser_call.add_argument("args", nargs=argparse.REMAINDER,
help="arguments")
return parser
def list_targets(target_names, id_parameters):
print("Target(s): " + ", ".join(target_names))
if id_parameters is not None:
print("Parameters: " + id_parameters)
def list_methods(remote):
methods = remote.get_rpc_method_list()
for name, (argspec, docstring) in sorted(methods.items()):
args = ""
for arg in argspec["args"]:
args += arg
if argspec["defaults"] is not None:
kword_index = len(argspec["defaults"]) - len(argspec["args"])\
+ argspec["args"].index(arg)
if kword_index >= 0:
if argspec["defaults"][kword_index] == Ellipsis:
args += "=..."
else:
args += "={}".format(argspec["defaults"][kword_index])
if argspec["args"].index(arg) < len(argspec["args"]) - 1:
args += ", "
if argspec["varargs"] is not None:
args += ", *{}".format(argspec["varargs"])
elif len(argspec["kwonlyargs"]) > 0:
args += ", *"
for kwonlyarg in argspec["kwonlyargs"]:
args += ", {}".format(kwonlyarg)
if kwonlyarg in argspec["kwonlydefaults"]:
if argspec["kwonlydefaults"][kwonlyarg] == Ellipsis:
args += "=..."
else:
args += "={}".format(argspec["kwonlydefaults"][kwonlyarg])
if argspec["varkw"] is not None:
args += ", **{}".format(argspec["varkw"])
print("{}({})".format(name, args))
if docstring is not None:
print(textwrap.indent(docstring, " "))
print()
def call_method(remote, method_name, args):
method = getattr(remote, method_name)
ret = method(*[eval(arg) for arg in args])
if ret is not None:
print("{}".format(ret))
def main():
args = get_argparser().parse_args()
remote = Client(args.server, args.port, None)
targets, id_parameters = remote.get_rpc_id()
if args.action != "list-targets":
# If no target specified and remote has only one, then use this one.
# Exit otherwise.
if len(targets) > 1 and args.target is None:
print("Remote server has several targets, please supply one with "
"-t")
sys.exit(1)
elif args.target is None:
args.target = targets[0]
remote.select_rpc_target(args.target)
if args.action == "list-targets":
list_targets(targets, id_parameters)
elif args.action == "list-methods":
list_methods(remote)
elif args.action == "call":
call_method(remote, args.method, args.args)
else:
print("Unrecognized action: {}".format(args.action))
if __name__ == "__main__":
main()