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# -*- coding: utf8 -*-
"""
Module for displaying vnstat's statistics.
REQUIRE external program called "vnstat" installed and configured to work.
@author shadowprince
@license Eclipse Public License
"""
from __future__ import division # python2 compatibility
from time import time, sleep
from subprocess import check_output
def get_stat(statistics_type):
"""
Get statistics from devfile in list of lists of words
"""
def filter_stat():
for x in check_output(["vnstat", "--dumpdb"]).decode("utf-8").splitlines():
if x.startswith("{};0;".format(statistics_type)):
return x
try:
type, number, ts, rxm, txm, rxk, txk, fill = filter_stat().split(";")
except OSError as e:
print("Looks like you haven't installed or configured vnstat!")
raise e
except ValueError:
raise RuntimeError("vnstat returned wrong output, maybe it's configured wrong or module is outdated")
up = (int(txm) * 1024 + int(txk)) * 1024
down = (int(rxm) * 1024 + int(rxk)) * 1024
return {
"up": up,
"down": down,
"total": up+down
}
class Py3status:
"""
Coloring rules.
If value is bigger that dict key, status string will turn to color, specified in the value.
Example:
coloring = {
800: "#dddd00",
900: "#dd0000",
}
(0 - 800: white, 800-900: yellow, >900 - red)
Format of status string.
Placeholders:
total - total
up - upload
down - download
"""
# available configuration parameters
cache_timeout = 180
coloring = {}
format = "{total}"
initial_multi = 1024 # initial multiplier, if you want to get rid of first bytes, set to 1 to disable
left_align = 0
multiplier_top = 1024 # if value is greater, divide it with unit_multi and get next unit from units
precision = 1
statistics_type = "d" # d for daily, m for monthly
unit_multi = 1024 # value to divide if rate is greater than multiplier_top
def __init__(self, *args, **kwargs):
"""
Format of total, up and down placeholders under FORMAT.
As default, substitutes left_align and precision as %s and %s
Placeholders:
value - value (float)
unit - unit (string)
"""
self.last_stat = get_stat(self.statistics_type)
self.last_time = time()
self.last_interface = None
self.value_format = "{value:%s.%sf} {unit}" % (self.left_align, self.precision)
self.units = ["kb", "mb", "gb", "tb", ] # list of units, first one - value/initial_multi, second - value/1024, third - value/1024^2, etc...
def _divide_and_format(self, value):
"""
Divide a value and return formatted string
"""
value /= self.initial_multi
for i, unit in enumerate(self.units):
if value > self.multiplier_top:
value /= self.unit_multi
else:
break
return self.value_format.format(value=value, unit=unit)
def currentSpeed(self, i3s_output_list, i3s_config):
stat = get_stat(self.statistics_type)
color = None
keys = list(self.coloring.keys())
keys.sort()
for k in keys:
if stat["total"] < k * 1024 * 1024:
break
else:
color = self.coloring[k]
response = {
'cached_until': time() + self.cache_timeout,
'full_text': self.format.format(
total=self._divide_and_format(stat['total']),
up=self._divide_and_format(stat['up']),
down=self._divide_and_format(stat['down']),
),
'transformed': True
}
if color:
response["color"] = color
return response
if __name__ == "__main__":
x = Py3status()
while True:
print(x.currentSpeed(1, 1))
sleep(1)
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