Source code for libqtile.widget.df

# -*- coding:utf-8 -*-
# Copyright (c) 2015, Roger Duran. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os

from libqtile.widget import base


[docs]class DF(base.ThreadedPollText): """Disk Free Widget By default the widget only displays if the space is less than warn_space. """ orientations = base.ORIENTATION_HORIZONTAL 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}|{r:.0f}%)', 'String format (p: partition, s: size, ' 'f: free space, uf: user free space, m: measure, r: ratio (uf/s))'), ('update_interval', 60, 'The update interval.'), ] 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, r=(size - self.user_free) / size * 100) return text