This document describes the current stable version of Celery (4.0). For development docs, go here.

Source code for celery.utils.sysinfo

# -*- coding: utf-8 -*-
"""System information utilities."""
from __future__ import absolute_import, unicode_literals
import os
from math import ceil
from kombu.utils.objects import cached_property

__all__ = ['load_average', 'df']

if hasattr(os, 'getloadavg'):

    def _load_average():
        return tuple(ceil(l * 1e2) / 1e2 for l in os.getloadavg())

else:  # pragma: no cover
    # Windows doesn't have getloadavg
    def _load_average():  # noqa
        return (0.0, 0.0, 0.0)

[docs]def load_average(): """Return system load average as a triple.""" return _load_average()
[docs]class df(object): """Disk information.""" def __init__(self, path): self.path = path @property def total_blocks(self): return self.stat.f_blocks * self.stat.f_frsize / 1024 @property def available(self): return self.stat.f_bavail * self.stat.f_frsize / 1024 @property def capacity(self): avail = self.stat.f_bavail used = self.stat.f_blocks - self.stat.f_bfree return int(ceil(used * 100.0 / (used + avail) + 0.5)) @cached_property
[docs] def stat(self): return os.statvfs(os.path.abspath(self.path))