Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_vendor/progress/__init__.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com> |
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2 # |
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3 # Permission to use, copy, modify, and distribute this software for any |
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4 # purpose with or without fee is hereby granted, provided that the above |
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5 # copyright notice and this permission notice appear in all copies. |
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6 # |
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7 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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8 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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9 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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10 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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11 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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12 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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13 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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14 |
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15 from __future__ import division, print_function |
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16 |
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17 from collections import deque |
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18 from datetime import timedelta |
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19 from math import ceil |
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20 from sys import stderr |
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21 try: |
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22 from time import monotonic |
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23 except ImportError: |
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24 from time import time as monotonic |
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25 |
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26 |
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27 __version__ = '1.5' |
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28 |
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29 HIDE_CURSOR = '\x1b[?25l' |
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30 SHOW_CURSOR = '\x1b[?25h' |
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31 |
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32 |
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33 class Infinite(object): |
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34 file = stderr |
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35 sma_window = 10 # Simple Moving Average window |
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36 check_tty = True |
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37 hide_cursor = True |
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38 |
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39 def __init__(self, message='', **kwargs): |
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40 self.index = 0 |
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41 self.start_ts = monotonic() |
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42 self.avg = 0 |
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43 self._avg_update_ts = self.start_ts |
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44 self._ts = self.start_ts |
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45 self._xput = deque(maxlen=self.sma_window) |
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46 for key, val in kwargs.items(): |
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47 setattr(self, key, val) |
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48 |
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49 self._width = 0 |
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50 self.message = message |
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51 |
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52 if self.file and self.is_tty(): |
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53 if self.hide_cursor: |
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54 print(HIDE_CURSOR, end='', file=self.file) |
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55 print(self.message, end='', file=self.file) |
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56 self.file.flush() |
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57 |
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58 def __getitem__(self, key): |
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59 if key.startswith('_'): |
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60 return None |
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61 return getattr(self, key, None) |
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62 |
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63 @property |
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64 def elapsed(self): |
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65 return int(monotonic() - self.start_ts) |
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66 |
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67 @property |
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68 def elapsed_td(self): |
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69 return timedelta(seconds=self.elapsed) |
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70 |
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71 def update_avg(self, n, dt): |
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72 if n > 0: |
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73 xput_len = len(self._xput) |
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74 self._xput.append(dt / n) |
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75 now = monotonic() |
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76 # update when we're still filling _xput, then after every second |
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77 if (xput_len < self.sma_window or |
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78 now - self._avg_update_ts > 1): |
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79 self.avg = sum(self._xput) / len(self._xput) |
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80 self._avg_update_ts = now |
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81 |
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82 def update(self): |
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83 pass |
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84 |
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85 def start(self): |
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86 pass |
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87 |
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88 def clearln(self): |
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89 if self.file and self.is_tty(): |
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90 print('\r\x1b[K', end='', file=self.file) |
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91 |
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92 def write(self, s): |
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93 if self.file and self.is_tty(): |
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94 line = self.message + s.ljust(self._width) |
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95 print('\r' + line, end='', file=self.file) |
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96 self._width = max(self._width, len(s)) |
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97 self.file.flush() |
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98 |
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99 def writeln(self, line): |
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100 if self.file and self.is_tty(): |
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101 self.clearln() |
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102 print(line, end='', file=self.file) |
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103 self.file.flush() |
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104 |
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105 def finish(self): |
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106 if self.file and self.is_tty(): |
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107 print(file=self.file) |
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108 if self.hide_cursor: |
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109 print(SHOW_CURSOR, end='', file=self.file) |
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110 |
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111 def is_tty(self): |
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112 return self.file.isatty() if self.check_tty else True |
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113 |
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114 def next(self, n=1): |
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115 now = monotonic() |
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116 dt = now - self._ts |
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117 self.update_avg(n, dt) |
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118 self._ts = now |
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119 self.index = self.index + n |
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120 self.update() |
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121 |
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122 def iter(self, it): |
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123 with self: |
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124 for x in it: |
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125 yield x |
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126 self.next() |
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127 |
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128 def __enter__(self): |
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129 self.start() |
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130 return self |
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131 |
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132 def __exit__(self, exc_type, exc_val, exc_tb): |
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133 self.finish() |
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134 |
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135 |
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136 class Progress(Infinite): |
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137 def __init__(self, *args, **kwargs): |
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138 super(Progress, self).__init__(*args, **kwargs) |
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139 self.max = kwargs.get('max', 100) |
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140 |
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141 @property |
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142 def eta(self): |
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143 return int(ceil(self.avg * self.remaining)) |
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144 |
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145 @property |
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146 def eta_td(self): |
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147 return timedelta(seconds=self.eta) |
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148 |
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149 @property |
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150 def percent(self): |
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151 return self.progress * 100 |
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152 |
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153 @property |
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154 def progress(self): |
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155 return min(1, self.index / self.max) |
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156 |
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157 @property |
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158 def remaining(self): |
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159 return max(self.max - self.index, 0) |
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160 |
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161 def start(self): |
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162 self.update() |
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163 |
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164 def goto(self, index): |
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165 incr = index - self.index |
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166 self.next(incr) |
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167 |
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168 def iter(self, it): |
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169 try: |
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170 self.max = len(it) |
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171 except TypeError: |
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172 pass |
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173 |
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174 with self: |
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175 for x in it: |
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176 yield x |
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177 self.next() |