# -*- 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()