import os
from libqtile.widget import base
[docs]
class DF(base.InLoopPollText):
"""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}|{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.InLoopPollText.__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.InLoopPollText.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