# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Manage bars for Glances output."""
from __future__ import division
from math import modf
class Bar(object):
"""Manage bar (progression or status).
import sys
import time
b = Bar(10)
for p in range(0, 100):
b.percent = p
print("\r%s" % b),
time.sleep(0.1)
sys.stdout.flush()
"""
def __init__(self, size, percentage_char='|', empty_char=' ', pre_char='[', post_char=']', with_text=True):
# Build curses_bars
self.__curses_bars = [empty_char] * 5 + [percentage_char] * 5
# Bar size
self.__size = size
# Bar current percent
self.__percent = 0
# Min and max value
self.min_value = 0
self.max_value = 100
# Char used for the decoration
self.__pre_char = pre_char
self.__post_char = post_char
self.__empty_char = empty_char
self.__with_text = with_text
@property
def size(self, with_decoration=False):
# Return the bar size, with or without decoration
if with_decoration:
return self.__size
if self.__with_text:
return self.__size - 6
@property
def percent(self):
return self.__percent
@percent.setter
def percent(self, value):
if value <= self.min_value:
value = self.min_value
if value >= self.max_value:
value = self.max_value
self.__percent = value
@property
def pre_char(self):
return self.__pre_char
@property
def post_char(self):
return self.__post_char
def get(self):
"""Return the bars."""
frac, whole = modf(self.size * self.percent / 100.0)
ret = self.__curses_bars[8] * int(whole)
if frac > 0:
ret += self.__curses_bars[int(frac * 8)]
whole += 1
ret += self.__empty_char * int(self.size - whole)
if self.__with_text:
ret = '{}{:5.1f}%'.format(ret, self.percent)
return ret
def __str__(self):
"""Return the bars."""
return self.get()
|