Mercurial > hg
annotate hgext/churn.py @ 7415:6163ef936a00
protocol: use changegroupsubset() if possible (issue1389)
Due to the fix to the pull race, to avoid sending unnecessary
changesets, use changegroupsubset if possible.
This will increase the load on the server.
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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date | Tue, 25 Nov 2008 23:26:33 +0100 |
parents | 87158be081b8 |
children | 4949729ee9ee |
rev | line source |
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1 # churn.py - create a graph of revisions count grouped by template |
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3 # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net> | |
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4 # Copyright 2008 Alexander Solovyov <piranha@piranha.org.ua> |
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6 # This software may be used and distributed according to the terms | |
7 # of the GNU General Public License, incorporated herein by reference. | |
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8 '''command to show certain statistics about revision history''' |
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10 from mercurial.i18n import _ |
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11 from mercurial import patch, cmdutil, util, templater |
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12 import os, sys |
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13 import time, datetime |
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14 |
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15 def get_tty_width(): |
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16 if 'COLUMNS' in os.environ: |
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17 try: |
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18 return int(os.environ['COLUMNS']) |
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19 except ValueError: |
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20 pass |
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21 try: |
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22 import termios, array, fcntl |
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23 for dev in (sys.stdout, sys.stdin): |
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24 try: |
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25 fd = dev.fileno() |
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26 if not os.isatty(fd): |
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27 continue |
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28 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
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29 return array.array('h', arri)[1] |
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30 except ValueError: |
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31 pass |
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32 except ImportError: |
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33 pass |
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34 return 80 |
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36 def maketemplater(ui, repo, tmpl): |
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37 tmpl = templater.parsestring(tmpl, quoted=False) |
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38 try: |
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39 t = cmdutil.changeset_templater(ui, repo, False, None, False) |
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40 except SyntaxError, inst: |
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41 raise util.Abort(inst.args[0]) |
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42 t.use_template(tmpl) |
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43 return t |
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44 |
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45 def changedlines(ui, repo, ctx1, ctx2): |
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46 lines = 0 |
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47 diff = ''.join(patch.diff(repo, ctx1.node(), ctx2.node())) |
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48 for l in diff.split('\n'): |
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49 if (l.startswith("+") and not l.startswith("+++ ") or |
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50 l.startswith("-") and not l.startswith("--- ")): |
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51 lines += 1 |
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52 return lines |
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53 |
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54 def countrate(ui, repo, amap, *pats, **opts): |
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55 """Calculate stats""" |
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56 if opts.get('dateformat'): |
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57 def getkey(ctx): |
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58 t, tz = ctx.date() |
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59 date = datetime.datetime(*time.gmtime(float(t) - tz)[:6]) |
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60 return date.strftime(opts['dateformat']) |
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61 else: |
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62 tmpl = opts.get('template', '{author|email}') |
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63 tmpl = maketemplater(ui, repo, tmpl) |
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64 def getkey(ctx): |
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65 ui.pushbuffer() |
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66 tmpl.show(ctx) |
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67 return ui.popbuffer() |
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68 |
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69 count = pct = 0 |
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70 rate = {} |
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71 df = False |
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72 if opts.get('date'): |
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73 df = util.matchdate(opts['date']) |
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74 |
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75 get = util.cachefunc(lambda r: repo[r].changeset()) |
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76 changeiter, matchfn = cmdutil.walkchangerevs(ui, repo, pats, get, opts) |
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77 for st, rev, fns in changeiter: |
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78 if not st == 'add': |
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79 continue |
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80 if df and not df(get(rev)[2][0]): # doesn't match date format |
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81 continue |
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82 |
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83 ctx = repo[rev] |
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84 key = getkey(ctx) |
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85 key = amap.get(key, key) # alias remap |
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86 if opts.get('changesets'): |
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87 rate[key] = rate.get(key, 0) + 1 |
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88 else: |
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89 parents = ctx.parents() |
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90 if len(parents) > 1: |
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91 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) |
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92 continue |
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94 ctx1 = parents[0] |
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95 lines = changedlines(ui, repo, ctx1, ctx) |
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96 rate[key] = rate.get(key, 0) + lines |
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98 if opts.get('progress'): |
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100 newpct = int(100.0 * count / max(len(repo), 1)) |
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102 pct = newpct | |
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103 ui.write(_("\rGenerating stats: %d%%") % pct) |
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104 sys.stdout.flush() |
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105 |
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106 if opts.get('progress'): |
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107 ui.write("\r") |
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108 sys.stdout.flush() |
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109 |
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110 return rate |
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111 |
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112 |
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113 def churn(ui, repo, *pats, **opts): |
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114 '''Graph count of revisions grouped by template |
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116 Will graph count of changed lines or revisions grouped by template or |
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117 alternatively by date, if dateformat is used. In this case it will override |
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118 template. |
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119 |
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120 By default statistics are counted for number of changed lines. |
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121 |
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122 Examples: |
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123 |
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124 # display count of changed lines for every committer |
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125 hg churn -t '{author|email}' |
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126 |
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127 # display daily activity graph |
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128 hg churn -f '%H' -s -c |
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129 |
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130 # display activity of developers by month |
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131 hg churn -f '%Y-%m' -s -c |
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132 |
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133 # display count of lines changed in every year |
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134 hg churn -f '%Y' -s |
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135 |
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136 The map file format used to specify aliases is fairly simple: |
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137 |
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138 <alias email> <actual email>''' |
3040 | 139 def pad(s, l): |
6759 | 140 return (s + " " * l)[:l] |
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141 |
3040 | 142 amap = {} |
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143 aliases = opts.get('aliases') |
3040 | 144 if aliases: |
6759 | 145 for l in open(aliases, "r"): |
146 l = l.strip() | |
147 alias, actual = l.split() | |
148 amap[alias] = actual | |
3040 | 149 |
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150 rate = countrate(ui, repo, amap, *pats, **opts).items() |
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151 if not rate: |
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152 return |
3040 | 153 |
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154 sortfn = ((not opts.get('sort')) and (lambda a, b: cmp(b[1], a[1])) or None) |
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155 rate.sort(sortfn) |
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156 |
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157 maxcount = float(max([v for k, v in rate])) |
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158 maxname = max([len(k) for k, v in rate]) |
3040 | 159 |
6759 | 160 ttywidth = get_tty_width() |
161 ui.debug(_("assuming %i character terminal\n") % ttywidth) | |
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162 width = ttywidth - maxname - 2 - 6 - 2 - 2 |
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163 |
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164 for date, count in rate: |
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165 print "%s %6d %s" % (pad(date, maxname), count, |
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166 "*" * int(count * width / maxcount)) |
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167 |
3040 | 168 |
169 cmdtable = { | |
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170 "churn": |
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171 (churn, |
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172 [('r', 'rev', [], _('count rate for the specified revision or range')), |
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173 ('d', 'date', '', _('count rate for revs matching date spec')), |
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174 ('t', 'template', '{author|email}', _('template to group changesets')), |
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175 ('f', 'dateformat', '', |
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176 _('strftime-compatible format for grouping by date')), |
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177 ('c', 'changesets', False, _('count rate by number of changesets')), |
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178 ('s', 'sort', False, _('sort by key (default: sort by count)')), |
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179 ('', 'aliases', '', _('file with email aliases')), |
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180 ('', 'progress', None, _('show progress'))], |
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181 _("hg churn [-d DATE] [-r REV] [--aliases FILE] [--progress] [FILE]")), |
3040 | 182 } |