Mercurial > hg
comparison contrib/churn.py @ 3052:51083c31db04
[churn] Moved churn extension from hgext to contrib
author | Josef "Jeff" Sipek <jeffpc@josefsipek.net> |
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date | Mon, 04 Sep 2006 16:02:25 -0400 |
parents | hgext/churn.py@7ffaf5aba4d8 |
children | 50e0392d51df |
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3051:7ffaf5aba4d8 | 3052:51083c31db04 |
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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 | |
14 from mercurial.demandload import * | |
15 from mercurial.i18n import gettext as _ | |
16 demandload(globals(), 'time sys signal os') | |
17 demandload(globals(), 'mercurial:hg,mdiff,fancyopts,commands,ui,util,templater,node') | |
18 | |
19 def __gather(ui, repo, node1, node2): | |
20 def dirtywork(f, mmap1, mmap2): | |
21 lines = 0 | |
22 | |
23 to = mmap1 and repo.file(f).read(mmap1[f]) or None | |
24 tn = mmap2 and repo.file(f).read(mmap2[f]) or None | |
25 | |
26 diff = mdiff.unidiff(to, "", tn, "", f).split("\n") | |
27 | |
28 for line in diff: | |
29 if not line: | |
30 continue # skip EOF | |
31 if line.startswith(" "): | |
32 continue # context line | |
33 if line.startswith("--- ") or line.startswith("+++ "): | |
34 continue # begining of diff | |
35 if line.startswith("@@ "): | |
36 continue # info line | |
37 | |
38 # changed lines | |
39 lines += 1 | |
40 | |
41 return lines | |
42 | |
43 ## | |
44 | |
45 lines = 0 | |
46 | |
47 changes = repo.status(node1, node2, None, util.always)[:5] | |
48 | |
49 modified, added, removed, deleted, unknown = changes | |
50 | |
51 who = repo.changelog.read(node2)[1] | |
52 who = templater.email(who) # get the email of the person | |
53 | |
54 mmap1 = repo.manifest.read(repo.changelog.read(node1)[0]) | |
55 mmap2 = repo.manifest.read(repo.changelog.read(node2)[0]) | |
56 for f in modified: | |
57 lines += dirtywork(f, mmap1, mmap2) | |
58 | |
59 for f in added: | |
60 lines += dirtywork(f, None, mmap2) | |
61 | |
62 for f in removed: | |
63 lines += dirtywork(f, mmap1, None) | |
64 | |
65 for f in deleted: | |
66 lines += dirtywork(f, mmap1, mmap2) | |
67 | |
68 for f in unknown: | |
69 lines += dirtywork(f, mmap1, mmap2) | |
70 | |
71 return (who, lines) | |
72 | |
73 def gather_stats(ui, repo, amap, revs=None, progress=False): | |
74 stats = {} | |
75 | |
76 cl = repo.changelog | |
77 | |
78 if not revs: | |
79 revs = range(0, cl.count()) | |
80 | |
81 nr_revs = len(revs) | |
82 cur_rev = 0 | |
83 | |
84 for rev in revs: | |
85 cur_rev += 1 # next revision | |
86 | |
87 node2 = cl.node(rev) | |
88 node1 = cl.parents(node2)[0] | |
89 | |
90 if cl.parents(node2)[1] != node.nullid: | |
91 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) | |
92 continue | |
93 | |
94 who, lines = __gather(ui, repo, node1, node2) | |
95 | |
96 # remap the owner if possible | |
97 if amap.has_key(who): | |
98 ui.note("using '%s' alias for '%s'\n" % (amap[who], who)) | |
99 who = amap[who] | |
100 | |
101 if not stats.has_key(who): | |
102 stats[who] = 0 | |
103 stats[who] += lines | |
104 | |
105 ui.note("rev %d: %d lines by %s\n" % (rev, lines, who)) | |
106 | |
107 if progress: | |
108 if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs): | |
109 ui.write("%d%%.." % (int(100.0*cur_rev/nr_revs),)) | |
110 sys.stdout.flush() | |
111 | |
112 if progress: | |
113 ui.write("done\n") | |
114 sys.stdout.flush() | |
115 | |
116 return stats | |
117 | |
118 def churn(ui, repo, **opts): | |
119 "Graphs the number of lines changed" | |
120 | |
121 def pad(s, l): | |
122 if len(s) < l: | |
123 return s + " " * (l-len(s)) | |
124 return s[0:l] | |
125 | |
126 def graph(n, maximum, width, char): | |
127 n = int(n * width / float(maximum)) | |
128 | |
129 return char * (n) | |
130 | |
131 def get_aliases(f): | |
132 aliases = {} | |
133 | |
134 for l in f.readlines(): | |
135 l = l.strip() | |
136 alias, actual = l.split(" ") | |
137 aliases[alias] = actual | |
138 | |
139 return aliases | |
140 | |
141 amap = {} | |
142 aliases = opts.get('aliases') | |
143 if aliases: | |
144 try: | |
145 f = open(aliases,"r") | |
146 except OSError, e: | |
147 print "Error: " + e | |
148 return | |
149 | |
150 amap = get_aliases(f) | |
151 f.close() | |
152 | |
153 revs = [int(r) for r in commands.revrange(ui, repo, opts['rev'])] | |
154 revs.sort() | |
155 stats = gather_stats(ui, repo, amap, revs, opts.get('progress')) | |
156 | |
157 # make a list of tuples (name, lines) and sort it in descending order | |
158 ordered = stats.items() | |
159 ordered.sort(cmp=lambda x, y: cmp(y[1], x[1])) | |
160 | |
161 maximum = ordered[0][1] | |
162 | |
163 ui.note("Assuming 80 character terminal\n") | |
164 width = 80 - 1 | |
165 | |
166 for i in ordered: | |
167 person = i[0] | |
168 lines = i[1] | |
169 print "%s %6d %s" % (pad(person, 20), lines, | |
170 graph(lines, maximum, width - 20 - 1 - 6 - 2 - 2, '*')) | |
171 | |
172 cmdtable = { | |
173 "churn": | |
174 (churn, | |
175 [('r', 'rev', [], _('limit statistics to the specified revisions')), | |
176 ('', 'aliases', '', _('file with email aliases')), | |
177 ('', 'progress', None, _('show progress'))], | |
178 'hg churn [-r revision range] [-a file] [--progress]'), | |
179 } |