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comparison lib/python3.8/site-packages/pip/_vendor/progress/bar.py @ 1:64071f2a4cf0 draft default tip

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author guerler
date Mon, 27 Jul 2020 03:55:49 -0400
parents 9e54283cc701
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0:9e54283cc701 1:64071f2a4cf0
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16
17 from __future__ import unicode_literals
18
19 import sys
20
21 from . import Progress
22
23
24 class Bar(Progress):
25 width = 32
26 suffix = '%(index)d/%(max)d'
27 bar_prefix = ' |'
28 bar_suffix = '| '
29 empty_fill = ' '
30 fill = '#'
31
32 def update(self):
33 filled_length = int(self.width * self.progress)
34 empty_length = self.width - filled_length
35
36 message = self.message % self
37 bar = self.fill * filled_length
38 empty = self.empty_fill * empty_length
39 suffix = self.suffix % self
40 line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
41 suffix])
42 self.writeln(line)
43
44
45 class ChargingBar(Bar):
46 suffix = '%(percent)d%%'
47 bar_prefix = ' '
48 bar_suffix = ' '
49 empty_fill = '∙'
50 fill = '█'
51
52
53 class FillingSquaresBar(ChargingBar):
54 empty_fill = '▢'
55 fill = '▣'
56
57
58 class FillingCirclesBar(ChargingBar):
59 empty_fill = '◯'
60 fill = '◉'
61
62
63 class IncrementalBar(Bar):
64 if sys.platform.startswith('win'):
65 phases = (u' ', u'▌', u'█')
66 else:
67 phases = (' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉', '█')
68
69 def update(self):
70 nphases = len(self.phases)
71 filled_len = self.width * self.progress
72 nfull = int(filled_len) # Number of full chars
73 phase = int((filled_len - nfull) * nphases) # Phase of last char
74 nempty = self.width - nfull # Number of empty chars
75
76 message = self.message % self
77 bar = self.phases[-1] * nfull
78 current = self.phases[phase] if phase > 0 else ''
79 empty = self.empty_fill * max(0, nempty - len(current))
80 suffix = self.suffix % self
81 line = ''.join([message, self.bar_prefix, bar, current, empty,
82 self.bar_suffix, suffix])
83 self.writeln(line)
84
85
86 class PixelBar(IncrementalBar):
87 phases = ('⡀', '⡄', '⡆', '⡇', '⣇', '⣧', '⣷', '⣿')
88
89
90 class ShadyBar(IncrementalBar):
91 phases = (' ', '░', '▒', '▓', '█')