diff -r 5ff1fc726848 -r c6bca38c1cbf eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/templatekw.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/templatekw.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,271 @@
+# templatekw.py - common changeset template keywords
+#
+# Copyright 2005-2009 Matt Mackall <mpm@selenic.com>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+from node import hex
+import encoding, patch, util, error
+
+def showlist(name, values, plural=None, **args):
+    '''expand set of values.
+    name is name of key in template map.
+    values is list of strings or dicts.
+    plural is plural of name, if not simply name + 's'.
+
+    expansion works like this, given name 'foo'.
+
+    if values is empty, expand 'no_foos'.
+
+    if 'foo' not in template map, return values as a string,
+    joined by space.
+
+    expand 'start_foos'.
+
+    for each value, expand 'foo'. if 'last_foo' in template
+    map, expand it instead of 'foo' for last key.
+
+    expand 'end_foos'.
+    '''
+    templ = args['templ']
+    if plural:
+        names = plural
+    else: names = name + 's'
+    if not values:
+        noname = 'no_' + names
+        if noname in templ:
+            yield templ(noname, **args)
+        return
+    if name not in templ:
+        if isinstance(values[0], str):
+            yield ' '.join(values)
+        else:
+            for v in values:
+                yield dict(v, **args)
+        return
+    startname = 'start_' + names
+    if startname in templ:
+        yield templ(startname, **args)
+    vargs = args.copy()
+    def one(v, tag=name):
+        try:
+            vargs.update(v)
+        except (AttributeError, ValueError):
+            try:
+                for a, b in v:
+                    vargs[a] = b
+            except ValueError:
+                vargs[name] = v
+        return templ(tag, **vargs)
+    lastname = 'last_' + name
+    if lastname in templ:
+        last = values.pop()
+    else:
+        last = None
+    for v in values:
+        yield one(v)
+    if last is not None:
+        yield one(last, tag=lastname)
+    endname = 'end_' + names
+    if endname in templ:
+        yield templ(endname, **args)
+
+def getfiles(repo, ctx, revcache):
+    if 'files' not in revcache:
+        revcache['files'] = repo.status(ctx.parents()[0].node(),
+                                        ctx.node())[:3]
+    return revcache['files']
+
+def getlatesttags(repo, ctx, cache):
+    '''return date, distance and name for the latest tag of rev'''
+
+    if 'latesttags' not in cache:
+        # Cache mapping from rev to a tuple with tag date, tag
+        # distance and tag name
+        cache['latesttags'] = {-1: (0, 0, 'null')}
+    latesttags = cache['latesttags']
+
+    rev = ctx.rev()
+    todo = [rev]
+    while todo:
+        rev = todo.pop()
+        if rev in latesttags:
+            continue
+        ctx = repo[rev]
+        tags = [t for t in ctx.tags() if repo.tagtype(t) == 'global']
+        if tags:
+            latesttags[rev] = ctx.date()[0], 0, ':'.join(sorted(tags))
+            continue
+        try:
+            # The tuples are laid out so the right one can be found by
+            # comparison.
+            pdate, pdist, ptag = max(
+                latesttags[p.rev()] for p in ctx.parents())
+        except KeyError:
+            # Cache miss - recurse
+            todo.append(rev)
+            todo.extend(p.rev() for p in ctx.parents())
+            continue
+        latesttags[rev] = pdate, pdist + 1, ptag
+    return latesttags[rev]
+
+def getrenamedfn(repo, endrev=None):
+    rcache = {}
+    if endrev is None:
+        endrev = len(repo)
+
+    def getrenamed(fn, rev):
+        '''looks up all renames for a file (up to endrev) the first
+        time the file is given. It indexes on the changerev and only
+        parses the manifest if linkrev != changerev.
+        Returns rename info for fn at changerev rev.'''
+        if fn not in rcache:
+            rcache[fn] = {}
+            fl = repo.file(fn)
+            for i in fl:
+                lr = fl.linkrev(i)
+                renamed = fl.renamed(fl.node(i))
+                rcache[fn][lr] = renamed
+                if lr >= endrev:
+                    break
+        if rev in rcache[fn]:
+            return rcache[fn][rev]
+
+        # If linkrev != rev (i.e. rev not found in rcache) fallback to
+        # filectx logic.
+        try:
+            return repo[rev][fn].renamed()
+        except error.LookupError:
+            return None
+
+    return getrenamed
+
+
+def showauthor(repo, ctx, templ, **args):
+    return ctx.user()
+
+def showbranches(**args):
+    branch = args['ctx'].branch()
+    if branch != 'default':
+        branch = encoding.tolocal(branch)
+        return showlist('branch', [branch], plural='branches', **args)
+
+def showchildren(**args):
+    ctx = args['ctx']
+    childrevs = ['%d:%s' % (cctx, cctx) for cctx in ctx.children()]
+    return showlist('children', childrevs, **args)
+
+def showdate(repo, ctx, templ, **args):
+    return ctx.date()
+
+def showdescription(repo, ctx, templ, **args):
+    return ctx.description().strip()
+
+def showdiffstat(repo, ctx, templ, **args):
+    diff = patch.diff(repo, ctx.parents()[0].node(), ctx.node())
+    files, adds, removes = 0, 0, 0
+    for i in patch.diffstatdata(util.iterlines(diff)):
+        files += 1
+        adds += i[1]
+        removes += i[2]
+    return '%s: +%s/-%s' % (files, adds, removes)
+
+def showextras(**args):
+    templ = args['templ']
+    for key, value in sorted(args['ctx'].extra().items()):
+        args = args.copy()
+        args.update(dict(key=key, value=value))
+        yield templ('extra', **args)
+
+def showfileadds(**args):
+    repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
+    return showlist('file_add', getfiles(repo, ctx, revcache)[1], **args)
+
+def showfilecopies(**args):
+    cache, ctx = args['cache'], args['ctx']
+    copies = args['revcache'].get('copies')
+    if copies is None:
+        if 'getrenamed' not in cache:
+            cache['getrenamed'] = getrenamedfn(args['repo'])
+        copies = []
+        getrenamed = cache['getrenamed']
+        for fn in ctx.files():
+            rename = getrenamed(fn, ctx.rev())
+            if rename:
+                copies.append((fn, rename[0]))
+
+    c = [{'name': x[0], 'source': x[1]} for x in copies]
+    return showlist('file_copy', c, plural='file_copies', **args)
+
+# showfilecopiesswitch() displays file copies only if copy records are
+# provided before calling the templater, usually with a --copies
+# command line switch.
+def showfilecopiesswitch(**args):
+    copies = args['revcache'].get('copies') or []
+    c = [{'name': x[0], 'source': x[1]} for x in copies]
+    return showlist('file_copy', c, plural='file_copies', **args)
+
+def showfiledels(**args):
+    repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
+    return showlist('file_del', getfiles(repo, ctx, revcache)[2], **args)
+
+def showfilemods(**args):
+    repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
+    return showlist('file_mod', getfiles(repo, ctx, revcache)[0], **args)
+
+def showfiles(**args):
+    return showlist('file', args['ctx'].files(), **args)
+
+def showlatesttag(repo, ctx, templ, cache, **args):
+    return getlatesttags(repo, ctx, cache)[2]
+
+def showlatesttagdistance(repo, ctx, templ, cache, **args):
+    return getlatesttags(repo, ctx, cache)[1]
+
+def showmanifest(**args):
+    repo, ctx, templ = args['repo'], args['ctx'], args['templ']
+    args = args.copy()
+    args.update(dict(rev=repo.manifest.rev(ctx.changeset()[0]),
+                     node=hex(ctx.changeset()[0])))
+    return templ('manifest', **args)
+
+def shownode(repo, ctx, templ, **args):
+    return ctx.hex()
+
+def showrev(repo, ctx, templ, **args):
+    return ctx.rev()
+
+def showtags(**args):
+    return showlist('tag', args['ctx'].tags(), **args)
+
+# keywords are callables like:
+# fn(repo, ctx, templ, cache, revcache, **args)
+# with:
+# repo - current repository instance
+# ctx - the changectx being displayed
+# templ - the templater instance
+# cache - a cache dictionary for the whole templater run
+# revcache - a cache dictionary for the current revision
+keywords = {
+    'author': showauthor,
+    'branches': showbranches,
+    'children': showchildren,
+    'date': showdate,
+    'desc': showdescription,
+    'diffstat': showdiffstat,
+    'extras': showextras,
+    'file_adds': showfileadds,
+    'file_copies': showfilecopies,
+    'file_copies_switch': showfilecopiesswitch,
+    'file_dels': showfiledels,
+    'file_mods': showfilemods,
+    'files': showfiles,
+    'latesttag': showlatesttag,
+    'latesttagdistance': showlatesttagdistance,
+    'manifest': showmanifest,
+    'node': shownode,
+    'rev': showrev,
+    'tags': showtags,
+}
+