annotate mercurial/progress.py @ 39583:ee1e74ee037c

formatter: fill missing resources by formatter, not by resource mapper While working on demand loading of ctx/fctx objects, I found it's weird to support lookup in both directions. For instance, fctx can be loaded from (ctx, path) pair, but ctx may also be derived from fctx.changectx() in the original mapping. If the original mapping has had fctx but no ctx, and if the new mapping provides {path}, we can't be sure if fctx should be updated by fctx'.changectx()[path] or not. This patch simply drops the support for the resolution in fctx -> ctx -> repo direction.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 01 Sep 2018 13:21:45 +0900
parents b34d0a6ef936
children 6603de284b0a
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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 errno
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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(ui.ferr) 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 # file_write() and file_flush() of Python 2 do not restart on EINTR if
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65 # the file is attached to a "slow" device (e.g. a terminal) and raise
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66 # IOError. We cannot know how many bytes would be written by file_write(),
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67 # but a progress text is known to be short enough to be written by a
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68 # single write() syscall, so we can just retry file_write() with the whole
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69 # text. (issue5532)
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70 #
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71 # This should be a short-term workaround. We'll need to fix every occurrence
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72 # of write() to a terminal or pipe.
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73 def _eintrretry(func, *args):
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74 while True:
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75 try:
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76 return func(*args)
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77 except IOError as err:
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78 if err.errno == errno.EINTR:
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79 continue
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80 raise
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81
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82 class progbar(object):
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83 def __init__(self, ui):
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84 self.ui = ui
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85 self._refreshlock = threading.Lock()
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86 self.resetstate()
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87
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88 def resetstate(self):
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89 self.topics = []
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90 self.topicstates = {}
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91 self.starttimes = {}
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92 self.startvals = {}
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93 self.printed = False
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94 self.lastprint = time.time() + float(self.ui.config(
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95 'progress', 'delay'))
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96 self.curtopic = None
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97 self.lasttopic = None
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98 self.indetcount = 0
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99 self.refresh = float(self.ui.config(
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100 'progress', 'refresh'))
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101 self.changedelay = max(3 * self.refresh,
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102 float(self.ui.config(
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103 'progress', 'changedelay')))
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104 self.order = self.ui.configlist('progress', 'format')
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105 self.estimateinterval = self.ui.configwith(
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106 float, 'progress', 'estimateinterval')
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107
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108 def show(self, now, topic, pos, item, unit, total):
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109 if not shouldprint(self.ui):
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110 return
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111 termwidth = self.width()
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112 self.printed = True
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113 head = ''
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114 needprogress = False
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115 tail = ''
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116 for indicator in self.order:
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117 add = ''
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118 if indicator == 'topic':
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119 add = topic
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120 elif indicator == 'number':
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121 if total:
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parents: 36152
diff changeset
122 add = b'%*d/%d' % (len(str(total)), pos, total)
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123 else:
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124 add = b'%d' % pos
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125 elif indicator.startswith('item') and item:
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126 slice = 'end'
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127 if '-' in indicator:
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128 wid = int(indicator.split('-')[1])
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129 elif '+' in indicator:
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130 slice = 'beginning'
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131 wid = int(indicator.split('+')[1])
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132 else:
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133 wid = 20
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134 if slice == 'end':
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135 add = encoding.trim(item, wid, leftside=True)
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136 else:
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137 add = encoding.trim(item, wid)
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138 add += (wid - encoding.colwidth(add)) * ' '
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139 elif indicator == 'bar':
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140 add = ''
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141 needprogress = True
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142 elif indicator == 'unit' and unit:
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143 add = unit
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144 elif indicator == 'estimate':
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145 add = self.estimate(topic, pos, total, now)
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146 elif indicator == 'speed':
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147 add = self.speed(topic, pos, unit, now)
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148 if not needprogress:
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diff changeset
149 head = spacejoin(head, add)
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150 else:
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diff changeset
151 tail = spacejoin(tail, add)
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152 if needprogress:
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diff changeset
153 used = 0
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154 if head:
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diff changeset
155 used += encoding.colwidth(head) + 1
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diff changeset
156 if tail:
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diff changeset
157 used += encoding.colwidth(tail) + 1
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diff changeset
158 progwidth = termwidth - used - 3
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159 if total and pos <= total:
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160 amt = pos * progwidth // total
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diff changeset
161 bar = '=' * (amt - 1)
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162 if amt > 0:
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diff changeset
163 bar += '>'
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diff changeset
164 bar += ' ' * (progwidth - amt)
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165 else:
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diff changeset
166 progwidth -= 3
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diff changeset
167 self.indetcount += 1
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168 # mod the count by twice the width so we can make the
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diff changeset
169 # cursor bounce between the right and left sides
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170 amt = self.indetcount % (2 * progwidth)
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diff changeset
171 amt -= progwidth
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diff changeset
172 bar = (' ' * int(progwidth - abs(amt)) + '<=>' +
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diff changeset
173 ' ' * int(abs(amt)))
34486
a57c938e7ac8 style: never use a space before a colon or comma
Alex Gaynor <agaynor@mozilla.com>
parents: 34314
diff changeset
174 prog = ''.join(('[', bar, ']'))
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175 out = spacejoin(head, prog, tail)
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176 else:
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177 out = spacejoin(head, tail)
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diff changeset
178 self._writeerr('\r' + encoding.trim(out, termwidth))
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179 self.lasttopic = topic
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180 self._flusherr()
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181
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182 def clear(self):
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Matt Mackall <mpm@selenic.com>
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diff changeset
183 if not self.printed or not self.lastprint or not shouldprint(self.ui):
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184 return
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185 self._writeerr('\r%s\r' % (' ' * self.width()))
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186 if self.printed:
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187 # force immediate re-paint of progress bar
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188 self.lastprint = 0
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189
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190 def complete(self):
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191 if not shouldprint(self.ui):
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192 return
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391da1416038 configitems: register the 'progress.clear-complete' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32049
diff changeset
193 if self.ui.configbool('progress', 'clear-complete'):
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194 self.clear()
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195 else:
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diff changeset
196 self._writeerr('\n')
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diff changeset
197 self._flusherr()
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198
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diff changeset
199 def _flusherr(self):
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diff changeset
200 _eintrretry(self.ui.ferr.flush)
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201
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diff changeset
202 def _writeerr(self, msg):
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diff changeset
203 _eintrretry(self.ui.ferr.write, msg)
32048
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diff changeset
204
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205 def width(self):
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diff changeset
206 tw = self.ui.termwidth()
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diff changeset
207 return min(int(self.ui.config('progress', 'width', default=tw)), tw)
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208
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diff changeset
209 def estimate(self, topic, pos, total, now):
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210 if total is None:
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diff changeset
211 return ''
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parents:
diff changeset
212 initialpos = self.startvals[topic]
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213 target = total - initialpos
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parents:
diff changeset
214 delta = pos - initialpos
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diff changeset
215 if delta > 0:
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parents:
diff changeset
216 elapsed = now - self.starttimes[topic]
34313
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Jun Wu <quark@fb.com>
parents: 33499
diff changeset
217 seconds = (elapsed * (target - delta)) // delta + 1
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parents: 33499
diff changeset
218 return fmtremaining(seconds)
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diff changeset
219 return ''
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parents:
diff changeset
220
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parents:
diff changeset
221 def speed(self, topic, pos, unit, now):
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parents:
diff changeset
222 initialpos = self.startvals[topic]
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diff changeset
223 delta = pos - initialpos
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parents:
diff changeset
224 elapsed = now - self.starttimes[topic]
34313
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parents: 33499
diff changeset
225 if elapsed > 0:
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diff changeset
226 return _('%d %s/sec') % (delta / elapsed, unit)
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parents:
diff changeset
227 return ''
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parents:
diff changeset
228
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parents:
diff changeset
229 def _oktoprint(self, now):
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parents:
diff changeset
230 '''Check if conditions are met to print - e.g. changedelay elapsed'''
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parents:
diff changeset
231 if (self.lasttopic is None # first time we printed
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parents:
diff changeset
232 # not a topic change
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parents:
diff changeset
233 or self.curtopic == self.lasttopic
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parents:
diff changeset
234 # it's been long enough we should print anyway
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parents:
diff changeset
235 or now - self.lastprint >= self.changedelay):
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parents:
diff changeset
236 return True
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parents:
diff changeset
237 else:
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parents:
diff changeset
238 return False
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parents:
diff changeset
239
34314
a667f0ca1d5f progress: make ETA only consider progress made in the last minute
Jun Wu <quark@fb.com>
parents: 34313
diff changeset
240 def _calibrateestimate(self, topic, now, pos):
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Jun Wu <quark@fb.com>
parents: 34313
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241 '''Adjust starttimes and startvals for topic so ETA works better
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242
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243 If progress is non-linear (ex. get much slower in the last minute),
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244 it's more friendly to only use a recent time span for ETA and speed
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245 calculation.
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246
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247 [======================================> ]
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248 ^^^^^^^
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249 estimateinterval, only use this for estimation
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250 '''
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251 interval = self.estimateinterval
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252 if interval <= 0:
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253 return
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254 elapsed = now - self.starttimes[topic]
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255 if elapsed > interval:
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256 delta = pos - self.startvals[topic]
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257 newdelta = delta * interval / elapsed
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258 # If a stall happens temporarily, ETA could change dramatically
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259 # frequently. This is to avoid such dramatical change and make ETA
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260 # smoother.
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261 if newdelta < 0.1:
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262 return
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263 self.startvals[topic] = pos - newdelta
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264 self.starttimes[topic] = now - interval
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265
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266 def progress(self, topic, pos, item='', unit='', total=None):
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267 if pos is None:
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268 self.closetopic(topic)
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269 return
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270 now = time.time()
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271 with self._refreshlock:
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272 if topic not in self.topics:
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273 self.starttimes[topic] = now
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274 self.startvals[topic] = pos
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275 self.topics.append(topic)
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276 self.topicstates[topic] = pos, item, unit, total
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277 self.curtopic = topic
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278 self._calibrateestimate(topic, now, pos)
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279 if now - self.lastprint >= self.refresh and self.topics:
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280 if self._oktoprint(now):
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281 self.lastprint = now
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282 self.show(now, topic, *self.topicstates[topic])
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283
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284 def closetopic(self, topic):
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285 with self._refreshlock:
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286 self.starttimes.pop(topic, None)
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287 self.startvals.pop(topic, None)
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288 self.topicstates.pop(topic, None)
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289 # reset the progress bar if this is the outermost topic
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290 if self.topics and self.topics[0] == topic and self.printed:
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291 self.complete()
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292 self.resetstate()
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293 # truncate the list of topics assuming all topics within
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294 # this one are also closed
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295 if topic in self.topics:
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296 self.topics = self.topics[:self.topics.index(topic)]
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297 # reset the last topic to the one we just unwound to,
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298 # so that higher-level topics will be stickier than
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299 # lower-level topics
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300 if self.topics:
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301 self.lasttopic = self.topics[-1]
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302 else:
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303 self.lasttopic = None