153 lines
3.9 KiB
Python
153 lines
3.9 KiB
Python
from logging import getLogger
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from os import getpid
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from typing import Any, Callable, Optional
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from torch.multiprocessing import Queue, Value
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from ..params import DeviceParams
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from .command import JobCommand, ProgressCommand
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logger = getLogger(__name__)
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ProgressCallback = Callable[[int, int, Any], None]
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class WorkerContext:
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cancel: "Value[bool]"
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job: str
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pending: "Queue[JobCommand]"
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active_pid: "Value[int]"
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progress: "Queue[ProgressCommand]"
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last_progress: Optional[ProgressCommand]
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def __init__(
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self,
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job: str,
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device: DeviceParams,
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cancel: "Value[bool]",
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logs: "Queue[str]",
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pending: "Queue[JobCommand]",
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progress: "Queue[ProgressCommand]",
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active_pid: "Value[int]",
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):
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self.job = job
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self.device = device
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self.cancel = cancel
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self.progress = progress
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self.logs = logs
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self.pending = pending
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self.active_pid = active_pid
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self.last_progress = None
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def start(self, job: str) -> None:
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self.job = job
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self.set_cancel(cancel=False)
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def is_cancelled(self) -> bool:
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return self.cancel.value
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def is_active(self) -> bool:
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return self.get_active() == getpid()
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def get_active(self) -> int:
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with self.active_pid.get_lock():
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return self.active_pid.value
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def get_device(self) -> DeviceParams:
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"""
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Get the device assigned to this job.
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"""
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return self.device
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def get_progress(self) -> int:
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if self.last_progress is not None:
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return self.last_progress.progress
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return 0
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def get_progress_callback(self) -> ProgressCallback:
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def on_progress(step: int, timestep: int, latents: Any):
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on_progress.step = step
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self.set_progress(step)
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return on_progress
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def set_cancel(self, cancel: bool = True) -> None:
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with self.cancel.get_lock():
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self.cancel.value = cancel
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def set_progress(self, progress: int) -> None:
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if self.is_cancelled():
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raise RuntimeError("job has been cancelled")
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else:
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logger.debug("setting progress for job %s to %s", self.job, progress)
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self.last_progress = ProgressCommand(
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self.job,
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self.device.device,
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False,
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progress,
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self.is_cancelled(),
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False,
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)
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self.progress.put(
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self.last_progress,
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block=False,
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)
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def finish(self) -> None:
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logger.debug("setting finished for job %s", self.job)
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self.last_progress = ProgressCommand(
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self.job,
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self.device.device,
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True,
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self.get_progress(),
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self.is_cancelled(),
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False,
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)
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self.progress.put(
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self.last_progress,
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block=False,
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)
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def fail(self) -> None:
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logger.warning("setting failure for job %s", self.job)
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try:
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self.last_progress = ProgressCommand(
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self.job,
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self.device.device,
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True,
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self.get_progress(),
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self.is_cancelled(),
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True,
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)
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self.progress.put(
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self.last_progress,
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block=False,
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)
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except Exception:
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logger.exception("error setting failure on job %s", self.job)
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class JobStatus:
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name: str
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device: str
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progress: int
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cancelled: bool
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finished: bool
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def __init__(
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self,
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name: str,
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device: DeviceParams,
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progress: int = 0,
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cancelled: bool = False,
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finished: bool = False,
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) -> None:
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self.name = name
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self.device = device.device
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self.progress = progress
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self.cancelled = cancelled
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self.finished = finished
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