Mercurial > hg
annotate hgext/churn.py @ 6408:3f5f23ba18bc
fix warning from pychecker
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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date | Sun, 30 Mar 2008 20:21:57 +0200 |
parents | f8feaa665319 |
children | ecde0baee570 |
rev | line source |
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3040 | 1 # churn.py - create a graph showing who changed the most lines |
2 # | |
3 # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net> | |
4 # | |
5 # This software may be used and distributed according to the terms | |
6 # of the GNU General Public License, incorporated herein by reference. | |
7 # | |
8 # | |
9 # Aliases map file format is simple one alias per line in the following | |
10 # format: | |
11 # | |
12 # <alias email> <actual email> | |
13 | |
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14 from mercurial.i18n import gettext as _ |
6212 | 15 from mercurial import mdiff, cmdutil, util, node |
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16 import os, sys |
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17 |
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18 def get_tty_width(): |
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19 if 'COLUMNS' in os.environ: |
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20 try: |
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21 return int(os.environ['COLUMNS']) |
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22 except ValueError: |
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23 pass |
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24 try: |
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25 import termios, array, fcntl |
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26 for dev in (sys.stdout, sys.stdin): |
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27 try: |
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28 fd = dev.fileno() |
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29 if not os.isatty(fd): |
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30 continue |
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31 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
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32 return array.array('h', arri)[1] |
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33 except ValueError: |
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34 pass |
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35 except ImportError: |
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36 pass |
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37 return 80 |
3040 | 38 |
39 def __gather(ui, repo, node1, node2): | |
40 def dirtywork(f, mmap1, mmap2): | |
41 lines = 0 | |
42 | |
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43 to = mmap1 and repo.file(f).read(mmap1[f]) or None |
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44 tn = mmap2 and repo.file(f).read(mmap2[f]) or None |
3040 | 45 |
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46 diff = mdiff.unidiff(to, "", tn, "", f, f).split("\n") |
3040 | 47 |
48 for line in diff: | |
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49 if not line: |
3040 | 50 continue # skip EOF |
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51 if line.startswith(" "): |
3040 | 52 continue # context line |
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53 if line.startswith("--- ") or line.startswith("+++ "): |
3040 | 54 continue # begining of diff |
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55 if line.startswith("@@ "): |
3040 | 56 continue # info line |
57 | |
58 # changed lines | |
59 lines += 1 | |
60 | |
61 return lines | |
62 | |
63 ## | |
64 | |
65 lines = 0 | |
66 | |
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67 changes = repo.status(node1, node2, None, util.always)[:5] |
3040 | 68 |
69 modified, added, removed, deleted, unknown = changes | |
70 | |
71 who = repo.changelog.read(node2)[1] | |
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72 who = util.email(who) # get the email of the person |
3040 | 73 |
74 mmap1 = repo.manifest.read(repo.changelog.read(node1)[0]) | |
75 mmap2 = repo.manifest.read(repo.changelog.read(node2)[0]) | |
76 for f in modified: | |
77 lines += dirtywork(f, mmap1, mmap2) | |
78 | |
79 for f in added: | |
80 lines += dirtywork(f, None, mmap2) | |
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81 |
3040 | 82 for f in removed: |
83 lines += dirtywork(f, mmap1, None) | |
84 | |
85 for f in deleted: | |
86 lines += dirtywork(f, mmap1, mmap2) | |
87 | |
88 for f in unknown: | |
89 lines += dirtywork(f, mmap1, mmap2) | |
90 | |
91 return (who, lines) | |
92 | |
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93 def gather_stats(ui, repo, amap, revs=None, progress=False): |
3040 | 94 stats = {} |
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95 |
3040 | 96 cl = repo.changelog |
97 | |
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98 if not revs: |
3046 | 99 revs = range(0, cl.count()) |
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100 |
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101 nr_revs = len(revs) |
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102 cur_rev = 0 |
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103 |
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104 for rev in revs: |
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105 cur_rev += 1 # next revision |
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106 |
3040 | 107 node2 = cl.node(rev) |
108 node1 = cl.parents(node2)[0] | |
109 | |
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110 if cl.parents(node2)[1] != node.nullid: |
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111 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) |
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112 continue |
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113 |
3040 | 114 who, lines = __gather(ui, repo, node1, node2) |
115 | |
116 # remap the owner if possible | |
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117 if who in amap: |
3040 | 118 ui.note("using '%s' alias for '%s'\n" % (amap[who], who)) |
119 who = amap[who] | |
120 | |
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121 if not who in stats: |
3040 | 122 stats[who] = 0 |
123 stats[who] += lines | |
124 | |
125 ui.note("rev %d: %d lines by %s\n" % (rev, lines, who)) | |
126 | |
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127 if progress: |
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128 nr_revs = max(nr_revs, 1) |
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129 if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs): |
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130 ui.write("\rGenerating stats: %d%%" % (int(100.0*cur_rev/nr_revs),)) |
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131 sys.stdout.flush() |
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132 |
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133 if progress: |
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134 ui.write("\r") |
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135 sys.stdout.flush() |
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136 |
3040 | 137 return stats |
138 | |
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139 def churn(ui, repo, **opts): |
3040 | 140 "Graphs the number of lines changed" |
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141 |
3040 | 142 def pad(s, l): |
143 if len(s) < l: | |
144 return s + " " * (l-len(s)) | |
145 return s[0:l] | |
146 | |
147 def graph(n, maximum, width, char): | |
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148 maximum = max(1, maximum) |
3040 | 149 n = int(n * width / float(maximum)) |
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150 |
3040 | 151 return char * (n) |
152 | |
153 def get_aliases(f): | |
154 aliases = {} | |
155 | |
156 for l in f.readlines(): | |
157 l = l.strip() | |
158 alias, actual = l.split(" ") | |
159 aliases[alias] = actual | |
160 | |
161 return aliases | |
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162 |
3040 | 163 amap = {} |
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164 aliases = opts.get('aliases') |
3040 | 165 if aliases: |
166 try: | |
167 f = open(aliases,"r") | |
168 except OSError, e: | |
169 print "Error: " + e | |
170 return | |
171 | |
172 amap = get_aliases(f) | |
173 f.close() | |
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174 |
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175 revs = [int(r) for r in cmdutil.revrange(repo, opts['rev'])] |
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176 revs.sort() |
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177 stats = gather_stats(ui, repo, amap, revs, opts.get('progress')) |
3040 | 178 |
179 # make a list of tuples (name, lines) and sort it in descending order | |
180 ordered = stats.items() | |
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181 if not ordered: |
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182 return |
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183 ordered.sort(lambda x, y: cmp(y[1], x[1])) |
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184 max_churn = ordered[0][1] |
3040 | 185 |
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186 tty_width = get_tty_width() |
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187 ui.note(_("assuming %i character terminal\n") % tty_width) |
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188 tty_width -= 1 |
3040 | 189 |
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190 max_user_width = max([len(user) for user, churn in ordered]) |
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191 |
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192 graph_width = tty_width - max_user_width - 1 - 6 - 2 - 2 |
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193 |
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194 for user, churn in ordered: |
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195 print "%s %6d %s" % (pad(user, max_user_width), |
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196 churn, |
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197 graph(churn, max_churn, graph_width, '*')) |
3040 | 198 |
199 cmdtable = { | |
200 "churn": | |
201 (churn, | |
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202 [('r', 'rev', [], _('limit statistics to the specified revisions')), |
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203 ('', 'aliases', '', _('file with email aliases')), |
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204 ('', 'progress', None, _('show progress'))], |
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205 'hg churn [-r revision range] [-a file] [--progress]'), |
3040 | 206 } |