Checks whether class has too many instance attributes, try to reduce this to get a simpler (and so easier to use) class.
1 | # -*- coding: utf-8 -*- |
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2 | # |
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3 | # This file is part of Glances. |
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4 | # |
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5 | # Copyright (C) 2019 Nicolargo <[email protected]> |
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6 | # |
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7 | # Glances is free software; you can redistribute it and/or modify |
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8 | # it under the terms of the GNU Lesser General Public License as published by |
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9 | # the Free Software Foundation, either version 3 of the License, or |
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10 | # (at your option) any later version. |
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11 | # |
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12 | # Glances is distributed in the hope that it will be useful, |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | # GNU Lesser General Public License for more details. |
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16 | # |
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17 | # You should have received a copy of the GNU Lesser General Public License |
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18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 | |||
20 | """Manage bars for Glances output.""" |
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21 | |||
22 | from __future__ import division |
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23 | |||
24 | from math import modf |
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25 | |||
26 | |||
27 | class Bar(object): |
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28 | |||
29 | r"""Manage bar (progression or status). |
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30 | |||
31 | import sys |
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32 | import time |
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33 | b = Bar(10) |
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34 | for p in range(0, 100): |
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35 | b.percent = p |
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36 | print("\r%s" % b), |
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37 | time.sleep(0.1) |
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38 | sys.stdout.flush() |
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39 | """ |
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40 | |||
41 | def __init__(self, size, |
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42 | percentage_char='|', empty_char=' ', |
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43 | pre_char='[', post_char=']', |
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44 | with_text=True): |
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45 | # Build curses_bars |
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46 | self.__curses_bars = [empty_char] * 5 + [percentage_char] * 5 |
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47 | # Bar size |
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48 | self.__size = size |
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49 | # Bar current percent |
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50 | self.__percent = 0 |
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51 | # Min and max value |
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52 | self.min_value = 0 |
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53 | self.max_value = 100 |
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54 | # Char used for the decoration |
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55 | self.__pre_char = pre_char |
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56 | self.__post_char = post_char |
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57 | self.__empty_char = empty_char |
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58 | self.__with_text = with_text |
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59 | |||
60 | @property |
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61 | def size(self, with_decoration=False): |
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62 | # Return the bar size, with or without decoration |
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63 | if with_decoration: |
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64 | return self.__size |
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65 | if self.__with_text: |
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66 | return self.__size - 6 |
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67 | |||
68 | @property |
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69 | def percent(self): |
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70 | return self.__percent |
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71 | |||
72 | @percent.setter |
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73 | def percent(self, value): |
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74 | if value <= self.min_value: |
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75 | value = self.min_value |
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76 | if value >= self.max_value: |
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77 | value = self.max_value |
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78 | self.__percent = value |
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79 | |||
80 | @property |
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81 | def pre_char(self): |
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82 | return self.__pre_char |
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83 | |||
84 | @property |
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85 | def post_char(self): |
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86 | return self.__post_char |
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87 | |||
88 | def get(self): |
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89 | """Return the bars.""" |
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90 | frac, whole = modf(self.size * self.percent / 100.0) |
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91 | ret = self.__curses_bars[8] * int(whole) |
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92 | if frac > 0: |
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93 | ret += self.__curses_bars[int(frac * 8)] |
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94 | whole += 1 |
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95 | ret += self.__empty_char * int(self.size - whole) |
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96 | if self.__with_text: |
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97 | ret = '{}{:5.1f}%'.format(ret, self.percent) |
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98 | return ret |
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99 | |||
100 | def __str__(self): |
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101 | """Return the bars.""" |
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102 | return self.get() |
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103 |