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artiq/frontend/artiq_client.py

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#!/usr/bin/env python3
import argparse
import time
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import asyncio
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from prettytable import PrettyTable
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from artiq.management.pc_rpc import Client
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from artiq.management.sync_struct import Subscriber
from artiq.management.tools import clear_screen
def _get_args():
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parser = argparse.ArgumentParser(description="ARTIQ CLI client")
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parser.add_argument(
"-s", "--server", default="::1",
help="hostname or IP of the master to connect to")
parser.add_argument(
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"--port", default=None, type=int,
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help="TCP port to use to connect to the master")
subparsers = parser.add_subparsers(dest="action")
subparsers.required = True
parser_add = subparsers.add_parser("submit", help="submit an experiment")
parser_add.add_argument(
"-p", "--periodic", default=None, type=float,
help="run the experiment periodically every given number of seconds")
parser_add.add_argument(
"-t", "--timeout", default=None, type=float,
help="specify a timeout for the experiment to complete")
parser_add.add_argument("-f", "--function", default="run",
help="function to run")
parser_add.add_argument("-u", "--unit", default=None,
help="unit to run")
parser_add.add_argument("file", help="file containing the unit to run")
parser_cancel = subparsers.add_parser("cancel",
help="cancel an experiment")
parser_cancel.add_argument("-p", "--periodic", default=False,
action="store_true",
help="cancel a periodic experiment")
parser_cancel.add_argument("rid", type=int,
help="run identifier (RID/PRID)")
parser_show_queue = subparsers.add_parser(
"show-queue", help="show the experiment queue")
parser_show_periodic = subparsers.add_parser(
"show-periodic", help="show the periodic experiment table")
return parser.parse_args()
def _action_submit(remote, args):
run_params = {
"file": args.file,
"unit": args.unit,
"function": args.function
}
if args.periodic is None:
rid = remote.run_once(run_params, args.timeout)
print("RID: {}".format(rid))
else:
prid = remote.run_periodic(run_params, args.timeout,
args.periodic)
print("PRID: {}".format(prid))
def _action_cancel(remote, args):
if args.periodic:
remote.cancel_periodic(args.rid)
else:
remote.cancel_once(args.rid)
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def _show_queue(queue):
clear_screen()
if queue:
table = PrettyTable(["RID", "File", "Unit", "Function", "Timeout"])
for rid, run_params, timeout in queue:
row = [rid, run_params["file"]]
for x in run_params["unit"], run_params["function"], timeout:
row.append("-" if x is None else x)
table.add_row(row)
print(table)
else:
print("Queue is empty")
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def _show_periodic(periodic):
clear_screen()
if periodic:
table = PrettyTable(["Next run", "PRID", "File", "Unit", "Function",
"Timeout", "Period"])
sp = sorted(periodic.items(), key=lambda x: (x[1][0], x[0]))
for prid, (next_run, run_params, timeout, period) in sp:
row = [time.strftime("%m/%d %H:%M:%S", time.localtime(next_run)),
prid, run_params["file"]]
for x in run_params["unit"], run_params["function"], timeout:
row.append("-" if x is None else x)
row.append(period)
table.add_row(row)
print(table)
else:
print("No periodic schedule")
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def _run_subscriber(host, port, subscriber):
if port is None:
port = 8887
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loop = asyncio.get_event_loop()
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try:
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loop.run_until_complete(subscriber.connect(host, port))
try:
loop.run_until_complete(asyncio.wait_for(subscriber.receive_task,
None))
print("Connection to master lost")
finally:
loop.run_until_complete(subscriber.close())
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finally:
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loop.close()
def main():
args = _get_args()
if args.action == "show-queue":
queue = []
def init_queue(x):
queue[:] = x
return queue
subscriber = Subscriber("queue", init_queue,
lambda: _show_queue(queue))
_run_subscriber(args.server, args.port, subscriber)
elif args.action == "show-periodic":
periodic = dict()
def init_periodic(x):
periodic.clear()
periodic.update(x)
return periodic
subscriber = Subscriber("periodic", init_periodic,
lambda: _show_periodic(periodic))
_run_subscriber(args.server, args.port, subscriber)
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else:
port = 8888 if args.port is None else args.port
remote = Client(args.server, port, "schedule_control")
try:
globals()["_action_" + args.action](remote, args)
finally:
remote.close_rpc()
if __name__ == "__main__":
main()