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Diffstat (limited to 'eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/hgext/churn.py')
| -rw-r--r-- | eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/hgext/churn.py | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/hgext/churn.py b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/hgext/churn.py new file mode 100644 index 0000000..32e481f --- /dev/null +++ b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/hgext/churn.py @@ -0,0 +1,198 @@ +# churn.py - create a graph of revisions count grouped by template +# +# Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net> +# Copyright 2008 Alexander Solovyov <piranha@piranha.org.ua> +# +# This software may be used and distributed according to the terms of the +# GNU General Public License version 2 or any later version. + +'''command to display statistics about repository history''' + +from mercurial.i18n import _ +from mercurial import patch, cmdutil, util, templater, commands +import os +import time, datetime + +def maketemplater(ui, repo, tmpl): + tmpl = templater.parsestring(tmpl, quoted=False) + try: + t = cmdutil.changeset_templater(ui, repo, False, None, None, False) + except SyntaxError, inst: + raise util.Abort(inst.args[0]) + t.use_template(tmpl) + return t + +def changedlines(ui, repo, ctx1, ctx2, fns): + added, removed = 0, 0 + fmatch = cmdutil.matchfiles(repo, fns) + diff = ''.join(patch.diff(repo, ctx1.node(), ctx2.node(), fmatch)) + for l in diff.split('\n'): + if l.startswith("+") and not l.startswith("+++ "): + added += 1 + elif l.startswith("-") and not l.startswith("--- "): + removed += 1 + return (added, removed) + +def countrate(ui, repo, amap, *pats, **opts): + """Calculate stats""" + if opts.get('dateformat'): + def getkey(ctx): + t, tz = ctx.date() + date = datetime.datetime(*time.gmtime(float(t) - tz)[:6]) + return date.strftime(opts['dateformat']) + else: + tmpl = opts.get('template', '{author|email}') + tmpl = maketemplater(ui, repo, tmpl) + def getkey(ctx): + ui.pushbuffer() + tmpl.show(ctx) + return ui.popbuffer() + + state = {'count': 0} + rate = {} + df = False + if opts.get('date'): + df = util.matchdate(opts['date']) + + m = cmdutil.match(repo, pats, opts) + def prep(ctx, fns): + rev = ctx.rev() + if df and not df(ctx.date()[0]): # doesn't match date format + return + + key = getkey(ctx) + key = amap.get(key, key) # alias remap + key = key.strip() # ignore leading and trailing spaces + if opts.get('changesets'): + rate[key] = (rate.get(key, (0,))[0] + 1, 0) + else: + parents = ctx.parents() + if len(parents) > 1: + ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) + return + + ctx1 = parents[0] + lines = changedlines(ui, repo, ctx1, ctx, fns) + rate[key] = [r + l for r, l in zip(rate.get(key, (0, 0)), lines)] + + state['count'] += 1 + ui.progress(_('analyzing'), state['count'], total=len(repo)) + + for ctx in cmdutil.walkchangerevs(repo, m, opts, prep): + continue + + ui.progress(_('analyzing'), None) + + return rate + + +def churn(ui, repo, *pats, **opts): + '''histogram of changes to the repository + + This command will display a histogram representing the number + of changed lines or revisions, grouped according to the given + template. The default template will group changes by author. + The --dateformat option may be used to group the results by + date instead. + + Statistics are based on the number of changed lines, or + alternatively the number of matching revisions if the + --changesets option is specified. + + Examples:: + + # display count of changed lines for every committer + hg churn -t '{author|email}' + + # display daily activity graph + hg churn -f '%H' -s -c + + # display activity of developers by month + hg churn -f '%Y-%m' -s -c + + # display count of lines changed in every year + hg churn -f '%Y' -s + + It is possible to map alternate email addresses to a main address + by providing a file using the following format:: + + <alias email> = <actual email> + + Such a file may be specified with the --aliases option, otherwise + a .hgchurn file will be looked for in the working directory root. + ''' + def pad(s, l): + return (s + " " * l)[:l] + + amap = {} + aliases = opts.get('aliases') + if not aliases and os.path.exists(repo.wjoin('.hgchurn')): + aliases = repo.wjoin('.hgchurn') + if aliases: + for l in open(aliases, "r"): + try: + alias, actual = l.split('=' in l and '=' or None, 1) + amap[alias.strip()] = actual.strip() + except ValueError: + l = l.strip() + if l: + ui.warn(_("skipping malformed alias: %s\n" % l)) + continue + + rate = countrate(ui, repo, amap, *pats, **opts).items() + if not rate: + return + + sortkey = ((not opts.get('sort')) and (lambda x: -sum(x[1])) or None) + rate.sort(key=sortkey) + + # Be careful not to have a zero maxcount (issue833) + maxcount = float(max(sum(v) for k, v in rate)) or 1.0 + maxname = max(len(k) for k, v in rate) + + ttywidth = ui.termwidth() + ui.debug("assuming %i character terminal\n" % ttywidth) + width = ttywidth - maxname - 2 - 2 - 2 + + if opts.get('diffstat'): + width -= 15 + def format(name, diffstat): + added, removed = diffstat + return "%s %15s %s%s\n" % (pad(name, maxname), + '+%d/-%d' % (added, removed), + ui.label('+' * charnum(added), + 'diffstat.inserted'), + ui.label('-' * charnum(removed), + 'diffstat.deleted')) + else: + width -= 6 + def format(name, count): + return "%s %6d %s\n" % (pad(name, maxname), sum(count), + '*' * charnum(sum(count))) + + def charnum(count): + return int(round(count * width / maxcount)) + + for name, count in rate: + ui.write(format(name, count)) + + +cmdtable = { + "churn": + (churn, + [('r', 'rev', [], + _('count rate for the specified revision or range'), _('REV')), + ('d', 'date', '', + _('count rate for revisions matching date spec'), _('DATE')), + ('t', 'template', '{author|email}', + _('template to group changesets'), _('TEMPLATE')), + ('f', 'dateformat', '', + _('strftime-compatible format for grouping by date'), _('FORMAT')), + ('c', 'changesets', False, _('count rate by number of changesets')), + ('s', 'sort', False, _('sort by key (default: sort by count)')), + ('', 'diffstat', False, _('display added/removed lines separately')), + ('', 'aliases', '', + _('file with email aliases'), _('FILE')), + ] + commands.walkopts, + _("hg churn [-d DATE] [-r REV] [--aliases FILE] [FILE]")), +} |