Source code for libqtile.widget.df

# -*- coding:utf-8 -*-
#
# Copyright (C) 2013, Roger Duran <rogerduran@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

import os
from . import base

[docs]class DF(base.ThreadedPollText): """ Disk Free Widget By default the widget only displays if the space is less than warn_space """ defaults = [ ('partition', '/', 'the partition to check space'), ('warn_color', 'ff0000', 'Warning color'), ('warn_space', 2, 'Warning space in scale defined by the ``measure`` option.'), ('visible_on_warn', True, 'Only display if warning'), ('measure', "G", "Measurement (G, M, B)"), ('format', '{p} ({uf}{m})', 'String format (p: partition, s: size, ' 'f: free space, uf: user free space, m: measure)'), ('update_interval', 60, 'The update inteval.'), ] measures = {"G": 1024 * 1024 * 1024, "M": 1024 * 1024, "B": 1024} def __init__(self, **config): base.ThreadedPollText.__init__(self, **config) self.add_defaults(DF.defaults) self.user_free = 0 self.calc = self.measures[self.measure] def draw(self): if self.user_free <= self.warn_space: self.layout.colour = self.warn_color else: self.layout.colour = self.foreground base.ThreadedPollText.draw(self) def poll(self): statvfs = os.statvfs(self.partition) size = statvfs.f_frsize * statvfs.f_blocks / self.calc free = statvfs.f_frsize * statvfs.f_bfree / self.calc self.user_free = statvfs.f_frsize * statvfs.f_bavail / self.calc if self.visible_on_warn and self.user_free >= self.warn_space: text = "" else: text = self.format.format(p=self.partition, s=size, f=free, uf=self.user_free, m=self.measure) return text