mirror of https://github.com/m-labs/artiq.git
313 lines
10 KiB
Python
313 lines
10 KiB
Python
import sys
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import time
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import os
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import logging
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import traceback
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from collections import OrderedDict
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from copy import copy
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import h5py
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import artiq
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from artiq.protocols import pipe_ipc, pyon
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from artiq.protocols.packed_exceptions import raise_packed_exc
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from artiq.tools import multiline_log_config, file_import
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from artiq.master.worker_db import DeviceManager, DatasetManager, DummyDevice
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from artiq.language.environment import (is_experiment, TraceArgumentManager,
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ProcessArgumentManager)
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from artiq.language.core import set_watchdog_factory, TerminationRequested
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from artiq.language.types import TBool
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from artiq.compiler import import_cache
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from artiq.coredevice.core import CompileError, host_only, _render_diagnostic
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from artiq import __version__ as artiq_version
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ipc = None
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def get_object():
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line = ipc.readline().decode()
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return pyon.decode(line)
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def put_object(obj):
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ds = pyon.encode(obj)
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ipc.write((ds + "\n").encode())
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def make_parent_action(action):
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def parent_action(*args, **kwargs):
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request = {"action": action, "args": args, "kwargs": kwargs}
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put_object(request)
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reply = get_object()
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if "action" in reply:
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if reply["action"] == "terminate":
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sys.exit()
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else:
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raise ValueError
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if reply["status"] == "ok":
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return reply["data"]
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else:
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raise_packed_exc(reply["exception"])
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return parent_action
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class ParentDeviceDB:
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get_device_db = make_parent_action("get_device_db")
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get = make_parent_action("get_device")
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class ParentDatasetDB:
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get = make_parent_action("get_dataset")
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update = make_parent_action("update_dataset")
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class Watchdog:
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_create = make_parent_action("create_watchdog")
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_delete = make_parent_action("delete_watchdog")
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def __init__(self, t):
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self.t = t
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def __enter__(self):
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self.wid = Watchdog._create(self.t)
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def __exit__(self, type, value, traceback):
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Watchdog._delete(self.wid)
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set_watchdog_factory(Watchdog)
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class Scheduler:
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def set_run_info(self, rid, pipeline_name, expid, priority):
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self.rid = rid
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self.pipeline_name = pipeline_name
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self.expid = expid
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self.priority = priority
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pause_noexc = staticmethod(make_parent_action("pause"))
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@host_only
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def pause(self):
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if self.pause_noexc():
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raise TerminationRequested
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_check_pause = staticmethod(make_parent_action("scheduler_check_pause"))
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def check_pause(self, rid=None) -> TBool:
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if rid is None:
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rid = self.rid
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return self._check_pause(rid)
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_submit = staticmethod(make_parent_action("scheduler_submit"))
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def submit(self, pipeline_name=None, expid=None, priority=None, due_date=None, flush=False):
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if pipeline_name is None:
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pipeline_name = self.pipeline_name
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if expid is None:
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expid = self.expid
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if priority is None:
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priority = self.priority
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return self._submit(pipeline_name, expid, priority, due_date, flush)
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delete = staticmethod(make_parent_action("scheduler_delete"))
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request_termination = staticmethod(
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make_parent_action("scheduler_request_termination"))
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get_status = staticmethod(make_parent_action("scheduler_get_status"))
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class CCB:
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issue = staticmethod(make_parent_action("ccb_issue"))
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def get_exp(file, class_name):
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module = file_import(file, prefix="artiq_worker_")
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if class_name is None:
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exps = [v for k, v in module.__dict__.items()
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if is_experiment(v)]
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if len(exps) != 1:
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raise ValueError("Found {} experiments in module"
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.format(len(exps)))
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return exps[0]
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else:
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return getattr(module, class_name)
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register_experiment = make_parent_action("register_experiment")
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class ExamineDeviceMgr:
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get_device_db = make_parent_action("get_device_db")
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@staticmethod
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def get(name):
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return DummyDevice()
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class ExamineDatasetMgr:
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@staticmethod
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def get(key, archive=False):
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return ParentDatasetDB.get(key)
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@staticmethod
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def update(self, mod):
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pass
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def examine(device_mgr, dataset_mgr, file):
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previous_modules = copy(sys.modules)
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try:
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module = file_import(file)
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finally:
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sys.modules = previous_modules
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for class_name, exp_class in module.__dict__.items():
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if class_name[0] == "_":
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continue
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if is_experiment(exp_class):
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if exp_class.__doc__ is None:
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name = class_name
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else:
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name = exp_class.__doc__.splitlines()[0].strip()
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if name[-1] == ".":
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name = name[:-1]
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argument_mgr = TraceArgumentManager()
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exp_class((device_mgr, dataset_mgr, argument_mgr))
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arginfo = OrderedDict(
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(k, (proc.describe(), group, tooltip))
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for k, (proc, group, tooltip) in argument_mgr.requested_args.items())
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register_experiment(class_name, name, arginfo)
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def setup_diagnostics(experiment_file, repository_path):
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def render_diagnostic(self, diagnostic):
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message = "While compiling {}\n".format(experiment_file) + \
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_render_diagnostic(diagnostic, colored=False)
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if repository_path is not None:
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message = message.replace(repository_path, "<repository>")
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if diagnostic.level == "warning":
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logging.warn(message)
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else:
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logging.error(message)
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# This is kind of gross, but 1) we do not have any explicit connection
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# between the worker and a coredevice.core.Core instance at all,
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# and 2) the diagnostic engine really ought to be per-Core, since
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# that's what uses it and the repository path is per-Core.
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# So I don't know how to implement this properly for now.
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#
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# This hack is as good or bad as any other solution that involves
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# putting inherently local objects (the diagnostic engine) into
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# global slots, and there isn't any point in making it prettier by
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# wrapping it in layers of indirection.
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artiq.coredevice.core._DiagnosticEngine.render_diagnostic = \
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render_diagnostic
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def put_exception_report():
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_, exc, _ = sys.exc_info()
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# When we get CompileError, a more suitable diagnostic has already
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# been printed.
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if not isinstance(exc, CompileError):
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short_exc_info = type(exc).__name__
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exc_str = str(exc)
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if exc_str:
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short_exc_info += ": " + exc_str.splitlines()[0]
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lines = ["Terminating with exception ("+short_exc_info+")\n"]
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if hasattr(exc, "artiq_core_exception"):
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lines.append(str(exc.artiq_core_exception))
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if hasattr(exc, "parent_traceback"):
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lines += exc.parent_traceback
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lines += traceback.format_exception_only(type(exc), exc)
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logging.error("".join(lines).rstrip(),
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exc_info=not hasattr(exc, "parent_traceback"))
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put_object({"action": "exception"})
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def main():
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global ipc
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multiline_log_config(level=int(sys.argv[2]))
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ipc = pipe_ipc.ChildComm(sys.argv[1])
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start_time = None
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run_time = None
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rid = None
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expid = None
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exp = None
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exp_inst = None
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repository_path = None
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device_mgr = DeviceManager(ParentDeviceDB,
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virtual_devices={"scheduler": Scheduler(),
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"ccb": CCB()})
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dataset_mgr = DatasetManager(ParentDatasetDB)
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import_cache.install_hook()
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try:
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while True:
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obj = get_object()
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action = obj["action"]
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if action == "build":
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start_time = time.time()
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rid = obj["rid"]
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expid = obj["expid"]
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if obj["wd"] is not None:
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# Using repository
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experiment_file = os.path.join(obj["wd"], expid["file"])
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repository_path = obj["wd"]
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else:
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experiment_file = expid["file"]
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repository_path = None
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setup_diagnostics(experiment_file, repository_path)
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exp = get_exp(experiment_file, expid["class_name"])
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device_mgr.virtual_devices["scheduler"].set_run_info(
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rid, obj["pipeline_name"], expid, obj["priority"])
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start_local_time = time.localtime(start_time)
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dirname = os.path.join("results",
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time.strftime("%Y-%m-%d", start_local_time),
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time.strftime("%H", start_local_time))
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os.makedirs(dirname, exist_ok=True)
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os.chdir(dirname)
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argument_mgr = ProcessArgumentManager(expid["arguments"])
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exp_inst = exp((device_mgr, dataset_mgr, argument_mgr))
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put_object({"action": "completed"})
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elif action == "prepare":
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exp_inst.prepare()
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put_object({"action": "completed"})
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elif action == "run":
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run_time = time.time()
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exp_inst.run()
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put_object({"action": "completed"})
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elif action == "analyze":
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try:
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exp_inst.analyze()
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except:
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# make analyze failure non-fatal, as we may still want to
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# write results afterwards
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put_exception_report()
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else:
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put_object({"action": "completed"})
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elif action == "write_results":
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filename = "{:09}-{}.h5".format(rid, exp.__name__)
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with h5py.File(filename, "w") as f:
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dataset_mgr.write_hdf5(f)
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f["artiq_version"] = artiq_version
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f["rid"] = rid
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f["start_time"] = start_time
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f["run_time"] = run_time
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f["expid"] = pyon.encode(expid)
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put_object({"action": "completed"})
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elif action == "examine":
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examine(ExamineDeviceMgr, ExamineDatasetMgr, obj["file"])
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put_object({"action": "completed"})
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elif action == "terminate":
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break
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except:
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put_exception_report()
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finally:
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device_mgr.close_devices()
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ipc.close()
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if __name__ == "__main__":
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main()
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