changelogs

   1 #!/usr/bin/pypy
   2 # -*- python -*-
   3 #
   4 # Go munging through changelogs for interesting info.
   5 #
   6 # git log <whatever> | changelogs
   7 #
   8 import gitlog
   9 import sys
  10
  11 #
  12 # Stats gathering.
  13 #
  14 EmptyCulprits = { }
  15 SingleSSCulprits = { }
  16 NoSOBCulprits = { }
  17
  18 def LogEmptyCulprit(culprit):
  19     try:
  20         EmptyCulprits[culprit] += 1
  21     except KeyError:
  22         EmptyCulprits[culprit] = 1
  23
  24 def LogSSCulprit(culprit):
  25     try:
  26         SingleSSCulprits[culprit] += 1
  27     except KeyError:
  28         SingleSSCulprits[culprit] = 1
  29
  30 def LogNoSOBCulprit(culprit):
  31     try:
  32         NoSOBCulprits[culprit] += 1
  33     except KeyError:
  34         NoSOBCulprits[culprit] = 1
  35
  36 def SortedCulprits(culprits):
  37     def compare(c1, c2):
  38         return culprits[c2] - culprits[c1]
  39     names = culprits.keys()
  40     names.sort(compare)
  41     return names
  42
  43 def PrintCulprits(culprits, sorted):
  44     for name in sorted:
  45         print '\t%30s: %d' % (name, culprits[name])
  46 #
  47 # Patch logging
  48 #
  49 SSPatches = { }
  50 EmptyCLPatches = { }
  51 NoSOBPatches = { }
  52
  53 def LogSSPatch(p):
  54     LogSSCulprit(p.author.name)
  55     try:
  56         SSPatches[p.author.name].append(p)
  57     except KeyError:
  58         SSPatches[p.author.name] = [p]
  59
  60 def LogECLPatch(p):
  61     LogEmptyCulprit(p.author.name)
  62     try:
  63         EmptyCLPatches[p.author.name].append(p)
  64     except KeyError:
  65         EmptyCLPatches[p.author.name] = [p]
  66
  67 def LogNoSOB(p):
  68     LogNoSOBCulprit(p.author.name)
  69     try:
  70         NoSOBPatches[p.author.name].append(p)
  71     except KeyError:
  72         NoSOBPatches[p.author.name] = [p]
  73
  74 LinusURL = 'http://git.kernel.org/linus/'
  75 def WritePatches(names, patches, file):
  76     out = open(file, 'w')
  77     for name in names:
  78         out.write('<h4>%s</h4>\n<ul>\n' % name)
  79         for p in patches[name]:
  80             out.write('\t<li><a href="%s%s"><tt>%s</tt></a> %s\n' % (LinusURL,
  81                                                                      p.commit,
  82                                                                      p.commit,
  83                                                                      p.desc))
  84         out.write('</ul>\n\n')
  85     out.close()
  86
  87 #
  88 # Main program.
  89 #
  90 Npatches = 0
  91 NemptyCL = 0
  92
  93 Nsinglesob = 0
  94 Nnosob = 0
  95 Nothers = 0
  96
  97 p = gitlog.grabpatch(sys.stdin)
  98 while p:
  99     #print p.commit, len(p.changelog)
 100     Npatches += 1
 101     if len(p.changelog) == 0:
 102         NemptyCL += 1
 103         LogECLPatch(p)
 104     if len(p.signoffs) == 0:
 105         Nnosob += 1
 106         LogNoSOB(p)
 107     elif len(p.signoffs) == 1:
 108         Nsinglesob += 1
 109         if p.othertags == 0:
 110             LogSSPatch(p)
 111         else:
 112             Nothers += 1
 113     p = gitlog.grabpatch(sys.stdin)
 114
 115 print '%d patches, %d w/o changelog' % (Npatches, NemptyCL)
 116 print '  %d w/o signoff, %d w/1 signoff, %d no others, %d SS culprits' % \
 117       (Nnosob, Nsinglesob, Nsinglesob - Nothers, len(SingleSSCulprits))
 118 print '\nMost single signoffs:'
 119 sorted = SortedCulprits(SingleSSCulprits)[:20]
 120 PrintCulprits(SingleSSCulprits, sorted)
 121 WritePatches(sorted, SSPatches, 'sspatches.html')
 122
 123 print '\nMost empty changelogs:'
 124 sorted = SortedCulprits(EmptyCulprits)[:20]
 125 PrintCulprits(EmptyCulprits, sorted)
 126 WritePatches(sorted, EmptyCLPatches, 'emptypatches.html')
 127
 128 print '\nNoSOB:'
 129 sorted = SortedCulprits(NoSOBCulprits)
 130 PrintCulprits(NoSOBCulprits, sorted)
 131 WritePatches(sorted, NoSOBPatches, 'nosobpatches.html')