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# pylint: disable=C0111,R0903
"""Shows free diskspace, total diskspace and the percentage of free disk space.
Parameters:
* disk.warning: Warning threshold in % of disk space (defaults to 80%)
* disk.critical: Critical threshold in % of disk space (defaults to 90%)
* disk.path: Path to calculate disk usage from (defaults to /)
* disk.open: Which application / file manager to launch (default xdg-open)
* disk.format: Format string, tags {path}, {used}, {left}, {size} and {percent} (defaults to '{path} {used}/{size} ({percent:05.02f}%)')
* disk.system: Unit system to use - SI (KB, MB, ...) or IEC (KiB, MiB, ...) (defaults to 'IEC')
"""
import os
import core.module
import core.widget
import core.input
import util.format
class Module(core.module.Module):
def __init__(self, config, theme):
super().__init__(config, theme, core.widget.Widget(self.diskspace))
self._path = self.parameter("path", "/")
self._format = self.parameter("format", "{used}/{size} ({percent:05.02f}%)")
self._system = self.parameter("system", "IEC")
self._used = 0
self._left = 0
self._size = 0
self._percent = 0
core.input.register(
self,
button=core.input.LEFT_MOUSE,
cmd="{} {}".format(self.parameter("open", "xdg-open"), self._path),
)
def diskspace(self, widget):
used_str = util.format.byte(self._used, sys=self._system)
size_str = util.format.byte(self._size, sys=self._system)
left_str = util.format.byte(self._left, sys=self._system)
percent_str = self._percent
return self._format.format(
path=self._path,
used=used_str,
left=left_str,
size=size_str,
percent=percent_str,
)
def update(self):
st = os.statvfs(self._path)
self._size = st.f_blocks * st.f_frsize
self._used = (st.f_blocks - st.f_bfree) * st.f_frsize
self._left = self._size - self._used
self._percent = 100.0 * self._used / self._size
def state(self, widget):
return self.threshold_state(self._percent, 80, 90)
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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