Mercurial > hg
view contrib/churn.py @ 4829:0403b80352c9
localrepo.wwrite: use opener.symlink
This makes us fall back to regular files if symlinks are not supported.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Wed, 11 Jul 2007 17:40:41 -0300 |
parents | ba45041827a2 |
children | 9bbc0217209b |
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# churn.py - create a graph showing who changed the most lines # # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. # # # Aliases map file format is simple one alias per line in the following # format: # # <alias email> <actual email> import sys from mercurial.i18n import gettext as _ from mercurial import hg, mdiff, cmdutil, ui, util, templater, node def __gather(ui, repo, node1, node2): def dirtywork(f, mmap1, mmap2): lines = 0 to = mmap1 and repo.file(f).read(mmap1[f]) or None tn = mmap2 and repo.file(f).read(mmap2[f]) or None diff = mdiff.unidiff(to, "", tn, "", f).split("\n") for line in diff: if not line: continue # skip EOF if line.startswith(" "): continue # context line if line.startswith("--- ") or line.startswith("+++ "): continue # begining of diff if line.startswith("@@ "): continue # info line # changed lines lines += 1 return lines ## lines = 0 changes = repo.status(node1, node2, None, util.always)[:5] modified, added, removed, deleted, unknown = changes who = repo.changelog.read(node2)[1] who = templater.email(who) # get the email of the person mmap1 = repo.manifest.read(repo.changelog.read(node1)[0]) mmap2 = repo.manifest.read(repo.changelog.read(node2)[0]) for f in modified: lines += dirtywork(f, mmap1, mmap2) for f in added: lines += dirtywork(f, None, mmap2) for f in removed: lines += dirtywork(f, mmap1, None) for f in deleted: lines += dirtywork(f, mmap1, mmap2) for f in unknown: lines += dirtywork(f, mmap1, mmap2) return (who, lines) def gather_stats(ui, repo, amap, revs=None, progress=False): stats = {} cl = repo.changelog if not revs: revs = range(0, cl.count()) nr_revs = len(revs) cur_rev = 0 for rev in revs: cur_rev += 1 # next revision node2 = cl.node(rev) node1 = cl.parents(node2)[0] if cl.parents(node2)[1] != node.nullid: ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) continue who, lines = __gather(ui, repo, node1, node2) # remap the owner if possible if amap.has_key(who): ui.note("using '%s' alias for '%s'\n" % (amap[who], who)) who = amap[who] if not stats.has_key(who): stats[who] = 0 stats[who] += lines ui.note("rev %d: %d lines by %s\n" % (rev, lines, who)) if progress: if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs): ui.write("%d%%.." % (int(100.0*cur_rev/nr_revs),)) sys.stdout.flush() if progress: ui.write("done\n") sys.stdout.flush() return stats def churn(ui, repo, **opts): "Graphs the number of lines changed" def pad(s, l): if len(s) < l: return s + " " * (l-len(s)) return s[0:l] def graph(n, maximum, width, char): n = int(n * width / float(maximum)) return char * (n) def get_aliases(f): aliases = {} for l in f.readlines(): l = l.strip() alias, actual = l.split(" ") aliases[alias] = actual return aliases amap = {} aliases = opts.get('aliases') if aliases: try: f = open(aliases,"r") except OSError, e: print "Error: " + e return amap = get_aliases(f) f.close() revs = [int(r) for r in cmdutil.revrange(repo, opts['rev'])] revs.sort() stats = gather_stats(ui, repo, amap, revs, opts.get('progress')) # make a list of tuples (name, lines) and sort it in descending order ordered = stats.items() ordered.sort(lambda x, y: cmp(y[1], x[1])) maximum = ordered[0][1] ui.note("Assuming 80 character terminal\n") width = 80 - 1 for i in ordered: person = i[0] lines = i[1] print "%s %6d %s" % (pad(person, 20), lines, graph(lines, maximum, width - 20 - 1 - 6 - 2 - 2, '*')) cmdtable = { "churn": (churn, [('r', 'rev', [], _('limit statistics to the specified revisions')), ('', 'aliases', '', _('file with email aliases')), ('', 'progress', None, _('show progress'))], 'hg churn [-r revision range] [-a file] [--progress]'), }