Mercurial > hg-stable
annotate hgext/churn.py @ 6750:fb42030d79d6
add __len__ and __iter__ methods to repo and revlog
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Thu, 26 Jun 2008 14:35:50 -0500 |
parents | 53465a7464e2 |
children | 9d2ab50803e9 |
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. | |
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7 '''allow graphing the number of lines changed per contributor''' |
3040 | 8 |
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9 from mercurial.i18n import gettext as _ |
6212 | 10 from mercurial import mdiff, cmdutil, util, node |
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11 import os, sys |
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12 |
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13 def get_tty_width(): |
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14 if 'COLUMNS' in os.environ: |
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15 try: |
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16 return int(os.environ['COLUMNS']) |
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17 except ValueError: |
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18 pass |
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19 try: |
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20 import termios, array, fcntl |
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21 for dev in (sys.stdout, sys.stdin): |
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22 try: |
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23 fd = dev.fileno() |
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24 if not os.isatty(fd): |
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25 continue |
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26 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
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27 return array.array('h', arri)[1] |
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28 except ValueError: |
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29 pass |
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30 except ImportError: |
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31 pass |
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32 return 80 |
3040 | 33 |
34 def __gather(ui, repo, node1, node2): | |
35 def dirtywork(f, mmap1, mmap2): | |
36 lines = 0 | |
37 | |
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38 to = mmap1 and repo.file(f).read(mmap1[f]) or None |
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39 tn = mmap2 and repo.file(f).read(mmap2[f]) or None |
3040 | 40 |
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41 diff = mdiff.unidiff(to, "", tn, "", f, f).split("\n") |
3040 | 42 |
43 for line in diff: | |
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44 if not line: |
3040 | 45 continue # skip EOF |
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46 if line.startswith(" "): |
3040 | 47 continue # context line |
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48 if line.startswith("--- ") or line.startswith("+++ "): |
3040 | 49 continue # begining of diff |
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50 if line.startswith("@@ "): |
3040 | 51 continue # info line |
52 | |
53 # changed lines | |
54 lines += 1 | |
55 | |
56 return lines | |
57 | |
58 ## | |
59 | |
60 lines = 0 | |
61 | |
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62 changes = repo.status(node1, node2)[:5] |
3040 | 63 |
64 modified, added, removed, deleted, unknown = changes | |
65 | |
66 who = repo.changelog.read(node2)[1] | |
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67 who = util.email(who) # get the email of the person |
3040 | 68 |
69 mmap1 = repo.manifest.read(repo.changelog.read(node1)[0]) | |
70 mmap2 = repo.manifest.read(repo.changelog.read(node2)[0]) | |
71 for f in modified: | |
72 lines += dirtywork(f, mmap1, mmap2) | |
73 | |
74 for f in added: | |
75 lines += dirtywork(f, None, mmap2) | |
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76 |
3040 | 77 for f in removed: |
78 lines += dirtywork(f, mmap1, None) | |
79 | |
80 for f in deleted: | |
81 lines += dirtywork(f, mmap1, mmap2) | |
82 | |
83 for f in unknown: | |
84 lines += dirtywork(f, mmap1, mmap2) | |
85 | |
86 return (who, lines) | |
87 | |
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88 def gather_stats(ui, repo, amap, revs=None, progress=False): |
3040 | 89 stats = {} |
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90 |
3040 | 91 cl = repo.changelog |
92 | |
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93 if not revs: |
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94 revs = range(len(cl)) |
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95 |
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96 nr_revs = len(revs) |
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97 cur_rev = 0 |
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98 |
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99 for rev in revs: |
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100 cur_rev += 1 # next revision |
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101 |
3040 | 102 node2 = cl.node(rev) |
103 node1 = cl.parents(node2)[0] | |
104 | |
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105 if cl.parents(node2)[1] != node.nullid: |
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106 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) |
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107 continue |
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108 |
3040 | 109 who, lines = __gather(ui, repo, node1, node2) |
110 | |
111 # remap the owner if possible | |
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112 if who in amap: |
3040 | 113 ui.note("using '%s' alias for '%s'\n" % (amap[who], who)) |
114 who = amap[who] | |
115 | |
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116 if not who in stats: |
3040 | 117 stats[who] = 0 |
118 stats[who] += lines | |
119 | |
120 ui.note("rev %d: %d lines by %s\n" % (rev, lines, who)) | |
121 | |
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122 if progress: |
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123 nr_revs = max(nr_revs, 1) |
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124 if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs): |
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125 ui.write("\rGenerating stats: %d%%" % (int(100.0*cur_rev/nr_revs),)) |
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126 sys.stdout.flush() |
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127 |
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128 if progress: |
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129 ui.write("\r") |
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130 sys.stdout.flush() |
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131 |
3040 | 132 return stats |
133 | |
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134 def churn(ui, repo, **opts): |
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135 '''graphs the number of lines changed |
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136 |
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137 The map file format used to specify aliases is fairly simple: |
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138 |
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139 <alias email> <actual email>''' |
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140 |
3040 | 141 def pad(s, l): |
142 if len(s) < l: | |
143 return s + " " * (l-len(s)) | |
144 return s[0:l] | |
145 | |
146 def graph(n, maximum, width, char): | |
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147 maximum = max(1, maximum) |
3040 | 148 n = int(n * width / float(maximum)) |
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149 |
3040 | 150 return char * (n) |
151 | |
152 def get_aliases(f): | |
153 aliases = {} | |
154 | |
155 for l in f.readlines(): | |
156 l = l.strip() | |
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157 alias, actual = l.split() |
3040 | 158 aliases[alias] = actual |
159 | |
160 return aliases | |
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161 |
3040 | 162 amap = {} |
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163 aliases = opts.get('aliases') |
3040 | 164 if aliases: |
165 try: | |
166 f = open(aliases,"r") | |
167 except OSError, e: | |
168 print "Error: " + e | |
169 return | |
170 | |
171 amap = get_aliases(f) | |
172 f.close() | |
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173 |
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174 revs = [int(r) for r in cmdutil.revrange(repo, opts['rev'])] |
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175 revs.sort() |
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176 stats = gather_stats(ui, repo, amap, revs, opts.get('progress')) |
3040 | 177 |
178 # make a list of tuples (name, lines) and sort it in descending order | |
179 ordered = stats.items() | |
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180 if not ordered: |
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181 return |
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182 ordered.sort(lambda x, y: cmp(y[1], x[1])) |
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183 max_churn = ordered[0][1] |
3040 | 184 |
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185 tty_width = get_tty_width() |
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186 ui.note(_("assuming %i character terminal\n") % tty_width) |
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187 tty_width -= 1 |
3040 | 188 |
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189 max_user_width = max([len(user) for user, churn in ordered]) |
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190 |
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191 graph_width = tty_width - max_user_width - 1 - 6 - 2 - 2 |
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192 |
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193 for user, churn in ordered: |
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194 print "%s %6d %s" % (pad(user, max_user_width), |
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195 churn, |
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196 graph(churn, max_churn, graph_width, '*')) |
3040 | 197 |
198 cmdtable = { | |
199 "churn": | |
200 (churn, | |
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201 [('r', 'rev', [], _('limit statistics to the specified revisions')), |
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202 ('', 'aliases', '', _('file with email aliases')), |
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203 ('', 'progress', None, _('show progress'))], |
dd1a142988d3
[churn] progress meter
Josef "Jeff" Sipek <jeffpc@josefsipek.net>
parents:
3049
diff
changeset
|
204 'hg churn [-r revision range] [-a file] [--progress]'), |
3040 | 205 } |