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master/client: queue display and cancellations
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parent
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commit
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@ -1,4 +1,5 @@
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import asyncio
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from time import time
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from artiq.management.worker import Worker
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@ -6,9 +7,16 @@ from artiq.management.worker import Worker
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class Scheduler:
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def __init__(self, *args, **kwargs):
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self.worker = Worker(*args, **kwargs)
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self.currently_executing = None
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self.next_rid = 0
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self.queued = []
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self.queue_count = asyncio.Semaphore(0)
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def new_rid(self):
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r = self.next_rid
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self.next_rid += 1
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return r
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@asyncio.coroutine
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def start(self):
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self.task = asyncio.Task(self._schedule())
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@ -22,13 +30,41 @@ class Scheduler:
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yield from self.worker.end_process()
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def run_once(self, run_params, timeout):
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self.queued.append((run_params, timeout))
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rid = self.new_rid()
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self.queued.append((rid, run_params, timeout))
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self.queue_count.release()
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return rid
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def cancel_once(self, rid):
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idx = next(idx for idx, (qrid, _, _) in enumerate(self.queued)
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if qrid == rid)
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del self.queued[idx]
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def get_schedule(self):
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if self.currently_executing is None:
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ce = None
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else:
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rid, run_params, timeout, t = self.currently_executing
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ce = rid, run_params, timeout, time() - t
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return ce, self.queued
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def run_periodic(self, run_params, timeout, period):
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raise NotImplementedError
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def cancel_periodic(self, prid):
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raise NotImplementedError
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@asyncio.coroutine
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def _run(self, rid, run_params, timeout):
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self.currently_executing = rid, run_params, timeout, time()
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result = yield from self.worker.run(run_params, timeout)
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self.currently_executing = None
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return result
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@asyncio.coroutine
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def _schedule(self):
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while True:
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yield from self.queue_count.acquire()
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run_params, timeout = self.queued.pop(0)
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result = yield from self.worker.run(run_params, timeout)
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print(result)
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rid, run_params, timeout = self.queued.pop(0)
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result = yield from self._run(rid, run_params, timeout)
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print(rid, result)
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@ -2,6 +2,8 @@
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import argparse
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from prettytable import PrettyTable
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from artiq.management.pc_rpc import Client
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@ -15,8 +17,9 @@ def _get_args():
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help="TCP port to use to connect to the master")
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subparsers = parser.add_subparsers(dest="action")
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subparsers.required = True
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parser_add = subparsers.add_parser("add", help="add an experiment")
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parser_add = subparsers.add_parser("submit", help="submit an experiment")
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parser_add.add_argument(
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"-p", "--periodic", default=None, type=float,
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help="run the experiment periodically every given number of seconds")
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@ -29,23 +32,70 @@ def _get_args():
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help="unit to run")
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parser_add.add_argument("file", help="file containing the unit to run")
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parser_cancel = subparsers.add_parser("cancel",
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help="cancel an experiment")
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parser_cancel.add_argument("-p", "--periodic", default=False,
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action="store_true",
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help="cancel a periodic experiment")
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parser_cancel.add_argument("rid", type=int,
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help="run identifier (RID/PRID)")
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parser_show = subparsers.add_parser("show",
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help="show the experiment schedule")
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return parser.parse_args()
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def _action_submit(remote, args):
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run_params = {
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"file": args.file,
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"unit": args.unit,
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"function": args.function
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}
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if args.periodic is None:
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rid = remote.run_once(run_params, args.timeout)
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print("RID: {}".format(rid))
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else:
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prid = remote.run_periodic(run_params, args.timeout,
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args.periodic)
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print("PRID: {}".format(prid))
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def _action_cancel(remote, args):
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if args.periodic:
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remote.cancel_periodic(args.rid)
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else:
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remote.cancel_once(args.rid)
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def _action_show(remote, args):
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ce, queue = remote.get_schedule()
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if ce is None and not queue:
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print("Queue is empty")
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else:
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table = PrettyTable(["RID", "File", "Unit", "Function", "Timeout"])
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if ce is not None:
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rid, run_params, timeout, t = ce
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print("Currently executing RID {} for {:.1f}s".format(rid, t))
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row = [rid, run_params["file"]]
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for x in run_params["unit"], run_params["function"], timeout:
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row.append("-" if x is None else x)
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table.add_row(row)
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for rid, run_params, timeout in queue:
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row = [rid, run_params["file"]]
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for x in run_params["unit"], run_params["function"], timeout:
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row.append("-" if x is None else x)
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table.add_row(row)
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print("Run queue:")
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print(table)
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def main():
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args = _get_args()
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remote = Client(args.server, args.port, "master")
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try:
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if args.action == "add":
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if args.periodic is None:
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remote.run_once(
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{
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"file": args.file,
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"unit": args.unit,
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"function": args.function
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}, args.timeout)
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else:
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raise NotImplementedError
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globals()["_action_" + args.action](remote, args)
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finally:
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remote.close_rpc()
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3
setup.py
3
setup.py
@ -1,5 +1,4 @@
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#!/usr/bin/env python3
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# -*- coding: utf8 -*-
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from setuptools import setup, find_packages
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from glob import glob
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@ -16,7 +15,7 @@ setup(
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long_description = open("README.rst").read(),
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license = "BSD",
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install_requires = [
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"sphinx", "numpy", "scipy"
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"sphinx", "numpy", "scipy", "prettytable"
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],
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extras_require = {},
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dependency_links = [],
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