annotate mercurial/progress.py @ 29889:6f447b9ec263

util: rename checkcase() to fscasesensitive() (API) I always read the name "checkcase(path)" as "do we need to check for case folding at this path", but it's actually (I think) meant to be read "check if the file system cares about case at this path". I'm clearly not the only one confused by this as the dirstate has this property: def _checkcase(self): return not util.checkcase(self._join('.hg')) Maybe we should even inverse the function and call it fscasefolding() since that's what all callers care about?
author Martin von Zweigbergk <martinvonz@google.com>
date Tue, 30 Aug 2016 09:22:53 -0700
parents 222b8170d69e
children cb1ea3cc44b5
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1 # progress.py progress bars related code
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2 #
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3 # Copyright (C) 2010 Augie Fackler <durin42@gmail.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import sys
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11 import threading
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12 import time
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13
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14 from .i18n import _
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15 from . import encoding
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16
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17 def spacejoin(*args):
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18 return ' '.join(s for s in args if s)
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19
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20 def shouldprint(ui):
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21 return not (ui.quiet or ui.plain('progress')) and (
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22 ui._isatty(sys.stderr) or ui.configbool('progress', 'assume-tty'))
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23
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24 def fmtremaining(seconds):
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25 """format a number of remaining seconds in human readable way
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26
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27 This will properly display seconds, minutes, hours, days if needed"""
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28 if seconds < 60:
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29 # i18n: format XX seconds as "XXs"
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30 return _("%02ds") % (seconds)
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31 minutes = seconds // 60
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32 if minutes < 60:
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33 seconds -= minutes * 60
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34 # i18n: format X minutes and YY seconds as "XmYYs"
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35 return _("%dm%02ds") % (minutes, seconds)
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36 # we're going to ignore seconds in this case
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37 minutes += 1
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38 hours = minutes // 60
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39 minutes -= hours * 60
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40 if hours < 30:
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41 # i18n: format X hours and YY minutes as "XhYYm"
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42 return _("%dh%02dm") % (hours, minutes)
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43 # we're going to ignore minutes in this case
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44 hours += 1
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45 days = hours // 24
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46 hours -= days * 24
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47 if days < 15:
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48 # i18n: format X days and YY hours as "XdYYh"
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49 return _("%dd%02dh") % (days, hours)
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50 # we're going to ignore hours in this case
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51 days += 1
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52 weeks = days // 7
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53 days -= weeks * 7
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54 if weeks < 55:
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55 # i18n: format X weeks and YY days as "XwYYd"
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56 return _("%dw%02dd") % (weeks, days)
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57 # we're going to ignore days and treat a year as 52 weeks
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58 weeks += 1
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59 years = weeks // 52
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60 weeks -= years * 52
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61 # i18n: format X years and YY weeks as "XyYYw"
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62 return _("%dy%02dw") % (years, weeks)
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63
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64 class progbar(object):
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65 def __init__(self, ui):
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66 self.ui = ui
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67 self._refreshlock = threading.Lock()
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68 self.resetstate()
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69
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70 def resetstate(self):
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71 self.topics = []
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72 self.topicstates = {}
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73 self.starttimes = {}
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74 self.startvals = {}
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75 self.printed = False
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76 self.lastprint = time.time() + float(self.ui.config(
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77 'progress', 'delay', default=3))
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78 self.curtopic = None
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79 self.lasttopic = None
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80 self.indetcount = 0
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81 self.refresh = float(self.ui.config(
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82 'progress', 'refresh', default=0.1))
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83 self.changedelay = max(3 * self.refresh,
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84 float(self.ui.config(
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85 'progress', 'changedelay', default=1)))
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86 self.order = self.ui.configlist(
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87 'progress', 'format',
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88 default=['topic', 'bar', 'number', 'estimate'])
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89
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90 def show(self, now, topic, pos, item, unit, total):
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91 if not shouldprint(self.ui):
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92 return
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93 termwidth = self.width()
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94 self.printed = True
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95 head = ''
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96 needprogress = False
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97 tail = ''
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98 for indicator in self.order:
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99 add = ''
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100 if indicator == 'topic':
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101 add = topic
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102 elif indicator == 'number':
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103 if total:
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104 add = ('% ' + str(len(str(total))) +
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105 's/%s') % (pos, total)
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106 else:
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107 add = str(pos)
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108 elif indicator.startswith('item') and item:
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109 slice = 'end'
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110 if '-' in indicator:
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111 wid = int(indicator.split('-')[1])
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112 elif '+' in indicator:
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113 slice = 'beginning'
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114 wid = int(indicator.split('+')[1])
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115 else:
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116 wid = 20
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117 if slice == 'end':
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118 add = encoding.trim(item, wid, leftside=True)
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119 else:
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120 add = encoding.trim(item, wid)
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121 add += (wid - encoding.colwidth(add)) * ' '
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122 elif indicator == 'bar':
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123 add = ''
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124 needprogress = True
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125 elif indicator == 'unit' and unit:
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126 add = unit
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127 elif indicator == 'estimate':
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128 add = self.estimate(topic, pos, total, now)
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129 elif indicator == 'speed':
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130 add = self.speed(topic, pos, unit, now)
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131 if not needprogress:
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132 head = spacejoin(head, add)
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133 else:
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134 tail = spacejoin(tail, add)
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135 if needprogress:
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136 used = 0
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137 if head:
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138 used += encoding.colwidth(head) + 1
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139 if tail:
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140 used += encoding.colwidth(tail) + 1
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141 progwidth = termwidth - used - 3
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142 if total and pos <= total:
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143 amt = pos * progwidth // total
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144 bar = '=' * (amt - 1)
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145 if amt > 0:
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146 bar += '>'
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147 bar += ' ' * (progwidth - amt)
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148 else:
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149 progwidth -= 3
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150 self.indetcount += 1
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151 # mod the count by twice the width so we can make the
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152 # cursor bounce between the right and left sides
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153 amt = self.indetcount % (2 * progwidth)
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154 amt -= progwidth
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155 bar = (' ' * int(progwidth - abs(amt)) + '<=>' +
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156 ' ' * int(abs(amt)))
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157 prog = ''.join(('[', bar , ']'))
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158 out = spacejoin(head, prog, tail)
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159 else:
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160 out = spacejoin(head, tail)
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161 sys.stderr.write('\r' + encoding.trim(out, termwidth))
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162 self.lasttopic = topic
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163 sys.stderr.flush()
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164
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165 def clear(self):
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166 if not self.printed or not self.lastprint or not shouldprint(self.ui):
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167 return
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168 sys.stderr.write('\r%s\r' % (' ' * self.width()))
26407
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169 if self.printed:
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170 # force immediate re-paint of progress bar
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171 self.lastprint = 0
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172
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173 def complete(self):
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174 if not shouldprint(self.ui):
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175 return
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176 if self.ui.configbool('progress', 'clear-complete', default=True):
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177 self.clear()
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178 else:
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179 sys.stderr.write('\n')
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180 sys.stderr.flush()
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181
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182 def width(self):
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183 tw = self.ui.termwidth()
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184 return min(int(self.ui.config('progress', 'width', default=tw)), tw)
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185
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186 def estimate(self, topic, pos, total, now):
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187 if total is None:
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188 return ''
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189 initialpos = self.startvals[topic]
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190 target = total - initialpos
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191 delta = pos - initialpos
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192 if delta > 0:
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193 elapsed = now - self.starttimes[topic]
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194 # experimental config: progress.estimate
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195 if elapsed > float(
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196 self.ui.config('progress', 'estimate', default=2)):
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197 seconds = (elapsed * (target - delta)) // delta + 1
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198 return fmtremaining(seconds)
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199 return ''
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200
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201 def speed(self, topic, pos, unit, now):
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202 initialpos = self.startvals[topic]
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203 delta = pos - initialpos
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204 elapsed = now - self.starttimes[topic]
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205 if elapsed > float(
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diff changeset
206 self.ui.config('progress', 'estimate', default=2)):
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207 return _('%d %s/sec') % (delta / elapsed, unit)
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208 return ''
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209
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210 def _oktoprint(self, now):
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211 '''Check if conditions are met to print - e.g. changedelay elapsed'''
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212 if (self.lasttopic is None # first time we printed
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diff changeset
213 # not a topic change
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diff changeset
214 or self.curtopic == self.lasttopic
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diff changeset
215 # it's been long enough we should print anyway
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diff changeset
216 or now - self.lastprint >= self.changedelay):
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217 return True
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218 else:
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219 return False
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220
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diff changeset
221 def progress(self, topic, pos, item='', unit='', total=None):
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222 now = time.time()
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diff changeset
223 self._refreshlock.acquire()
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diff changeset
224 try:
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diff changeset
225 if pos is None:
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diff changeset
226 self.starttimes.pop(topic, None)
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227 self.startvals.pop(topic, None)
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228 self.topicstates.pop(topic, None)
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diff changeset
229 # reset the progress bar if this is the outermost topic
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230 if self.topics and self.topics[0] == topic and self.printed:
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diff changeset
231 self.complete()
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diff changeset
232 self.resetstate()
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diff changeset
233 # truncate the list of topics assuming all topics within
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diff changeset
234 # this one are also closed
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diff changeset
235 if topic in self.topics:
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diff changeset
236 self.topics = self.topics[:self.topics.index(topic)]
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diff changeset
237 # reset the last topic to the one we just unwound to,
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238 # so that higher-level topics will be stickier than
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diff changeset
239 # lower-level topics
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diff changeset
240 if self.topics:
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diff changeset
241 self.lasttopic = self.topics[-1]
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242 else:
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243 self.lasttopic = None
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244 else:
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245 if topic not in self.topics:
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246 self.starttimes[topic] = now
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247 self.startvals[topic] = pos
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248 self.topics.append(topic)
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249 self.topicstates[topic] = pos, item, unit, total
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250 self.curtopic = topic
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251 if now - self.lastprint >= self.refresh and self.topics:
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252 if self._oktoprint(now):
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253 self.lastprint = now
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254 self.show(now, topic, *self.topicstates[topic])
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255 finally:
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256 self._refreshlock.release()