annotate contrib/churn.py @ 3322:a1aad25ccc3e

fix localrepo.status when dealing with x-bit changes
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Tue, 10 Oct 2006 00:02:30 +0200
parents 53e843840349
children 4670470b97bd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # churn.py - create a graph showing who changed the most lines
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2 #
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3 # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7 #
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8 #
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9 # Aliases map file format is simple one alias per line in the following
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10 # format:
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11 #
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12 # <alias email> <actual email>
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13
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14 from mercurial.demandload import *
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15 from mercurial.i18n import gettext as _
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16 demandload(globals(), 'time sys signal os')
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17 demandload(globals(), 'mercurial:hg,mdiff,fancyopts,cmdutil,ui,util,templater,node')
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18
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19 def __gather(ui, repo, node1, node2):
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20 def dirtywork(f, mmap1, mmap2):
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21 lines = 0
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22
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23 to = mmap1 and repo.file(f).read(mmap1[f]) or None
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24 tn = mmap2 and repo.file(f).read(mmap2[f]) or None
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25
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26 diff = mdiff.unidiff(to, "", tn, "", f).split("\n")
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27
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28 for line in diff:
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29 if not line:
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30 continue # skip EOF
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31 if line.startswith(" "):
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32 continue # context line
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33 if line.startswith("--- ") or line.startswith("+++ "):
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34 continue # begining of diff
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35 if line.startswith("@@ "):
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36 continue # info line
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37
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38 # changed lines
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39 lines += 1
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40
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41 return lines
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42
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43 ##
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44
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45 lines = 0
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46
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47 changes = repo.status(node1, node2, None, util.always)[:5]
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48
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49 modified, added, removed, deleted, unknown = changes
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50
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51 who = repo.changelog.read(node2)[1]
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52 who = templater.email(who) # get the email of the person
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53
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54 mmap1 = repo.manifest.read(repo.changelog.read(node1)[0])
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55 mmap2 = repo.manifest.read(repo.changelog.read(node2)[0])
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56 for f in modified:
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57 lines += dirtywork(f, mmap1, mmap2)
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58
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59 for f in added:
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60 lines += dirtywork(f, None, mmap2)
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61
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62 for f in removed:
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63 lines += dirtywork(f, mmap1, None)
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64
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65 for f in deleted:
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66 lines += dirtywork(f, mmap1, mmap2)
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67
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68 for f in unknown:
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69 lines += dirtywork(f, mmap1, mmap2)
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70
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71 return (who, lines)
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72
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73 def gather_stats(ui, repo, amap, revs=None, progress=False):
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74 stats = {}
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75
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76 cl = repo.changelog
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77
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78 if not revs:
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79 revs = range(0, cl.count())
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80
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81 nr_revs = len(revs)
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82 cur_rev = 0
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83
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84 for rev in revs:
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85 cur_rev += 1 # next revision
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86
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87 node2 = cl.node(rev)
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88 node1 = cl.parents(node2)[0]
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89
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90 if cl.parents(node2)[1] != node.nullid:
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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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93
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94 who, lines = __gather(ui, repo, node1, node2)
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95
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96 # remap the owner if possible
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97 if amap.has_key(who):
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98 ui.note("using '%s' alias for '%s'\n" % (amap[who], who))
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99 who = amap[who]
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100
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101 if not stats.has_key(who):
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102 stats[who] = 0
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103 stats[who] += lines
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104
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105 ui.note("rev %d: %d lines by %s\n" % (rev, lines, who))
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106
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107 if progress:
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108 if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs):
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109 ui.write("%d%%.." % (int(100.0*cur_rev/nr_revs),))
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110 sys.stdout.flush()
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111
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112 if progress:
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113 ui.write("done\n")
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114 sys.stdout.flush()
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115
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116 return stats
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117
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118 def churn(ui, repo, **opts):
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119 "Graphs the number of lines changed"
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120
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121 def pad(s, l):
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122 if len(s) < l:
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123 return s + " " * (l-len(s))
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124 return s[0:l]
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125
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126 def graph(n, maximum, width, char):
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127 n = int(n * width / float(maximum))
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128
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129 return char * (n)
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130
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131 def get_aliases(f):
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132 aliases = {}
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133
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134 for l in f.readlines():
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135 l = l.strip()
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136 alias, actual = l.split(" ")
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137 aliases[alias] = actual
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138
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139 return aliases
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140
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141 amap = {}
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142 aliases = opts.get('aliases')
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143 if aliases:
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144 try:
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145 f = open(aliases,"r")
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146 except OSError, e:
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147 print "Error: " + e
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148 return
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149
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150 amap = get_aliases(f)
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151 f.close()
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152
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153 revs = [int(r) for r in cmdutil.revrange(ui, repo, opts['rev'])]
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154 revs.sort()
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155 stats = gather_stats(ui, repo, amap, revs, opts.get('progress'))
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156
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157 # make a list of tuples (name, lines) and sort it in descending order
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158 ordered = stats.items()
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159 ordered.sort(lambda x, y: cmp(y[1], x[1]))
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160
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161 maximum = ordered[0][1]
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162
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163 ui.note("Assuming 80 character terminal\n")
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164 width = 80 - 1
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165
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166 for i in ordered:
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167 person = i[0]
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168 lines = i[1]
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169 print "%s %6d %s" % (pad(person, 20), lines,
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170 graph(lines, maximum, width - 20 - 1 - 6 - 2 - 2, '*'))
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171
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172 cmdtable = {
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173 "churn":
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174 (churn,
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175 [('r', 'rev', [], _('limit statistics to the specified revisions')),
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176 ('', 'aliases', '', _('file with email aliases')),
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177 ('', 'progress', None, _('show progress'))],
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178 'hg churn [-r revision range] [-a file] [--progress]'),
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179 }