Source code for sparsify.models.jobs

# Copyright (c) 2021 - present / Neuralmagic, Inc. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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#    http://www.apache.org/licenses/LICENSE-2.0
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"""
DB model classes for jobs
"""

import datetime
import logging
import uuid
from enum import Enum

from peewee import BooleanField, CharField, DateTimeField, Field, TextField
from playhouse.sqlite_ext import JSONField

from sparsify.models.base import BaseModel


__all__ = ["JobStatus", "JobStatusField", "Job"]


_LOGGER = logging.getLogger(__name__)


[docs]class JobStatus(Enum): """ Enumerator class for tracking the status of jobs """ pending = "pending" started = "started" canceling = "canceling" completed = "completed" canceled = "canceled" error = "error"
[docs]class JobStatusField(Field): """ peewee DB field for saving and loading JobStatus from the database """ field_type = "VARCHAR"
[docs] def db_value(self, value: JobStatus): return value.name
[docs] def python_value(self, value: str): return JobStatus[value]
[docs]class Job(BaseModel): """ DB model for a project's job. """ job_id = CharField(primary_key=True, default=lambda: uuid.uuid4().hex) project_id = CharField() created = DateTimeField(default=datetime.datetime.now) modified = DateTimeField(default=datetime.datetime.now) type_ = CharField() worker_args = JSONField(null=True, default=None) worker_ack = BooleanField(default=False) status = JobStatusField(default=JobStatus.pending) progress = JSONField(null=True, default=None) error = TextField(null=True)
[docs] def save(self, *args, **kwargs): """ Override for peewee save function to update the modified date """ self.modified = datetime.datetime.now() return super().save(*args, **kwargs)