Mercurial > hg
changeset 8361:d8c5a7f25a40
templater: make the templating engine pluggable to some extent
| author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
|---|---|
| date | Tue, 12 May 2009 12:05:19 +0200 |
| parents | acc202b71619 |
| children | bbc74c05b8a4 |
| files | mercurial/templater.py tests/test-template-engine tests/test-template-engine.out |
| diffstat | 3 files changed, 53 insertions(+), 4 deletions(-) [+] |
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--- a/mercurial/templater.py Tue May 12 12:04:05 2009 +0200 +++ b/mercurial/templater.py Tue May 12 12:05:19 2009 +0200 @@ -105,6 +105,8 @@ v = self.filters[f](v) yield v +engines = {'default': engine} + class templater(object): def __init__(self, mapfile, filters={}, defaults={}, cache={}, @@ -121,6 +123,7 @@ self.filters.update(filters) self.defaults = defaults self.minchunk, self.maxchunk = minchunk, maxchunk + self.engines = {} if not mapfile: return @@ -138,7 +141,10 @@ raise SyntaxError('%s: %s' % (conf.source('', key), inst.args[0])) else: - self.map[key] = os.path.join(self.base, val) + val = 'default', val + if ':' in val[1]: + val = val[1].split(':', 1) + self.map[key] = val[0], os.path.join(self.base, val[1]) def __contains__(self, key): return key in self.cache or key in self.map @@ -147,14 +153,19 @@ '''Get the template for the given template name. Use a local cache.''' if not t in self.cache: try: - self.cache[t] = file(self.map[t]).read() + self.cache[t] = open(self.map[t][1]).read() except IOError, inst: raise IOError(inst.args[0], _('template file %s: %s') % - (self.map[t], inst.args[1])) + (self.map[t][1], inst.args[1])) return self.cache[t] def __call__(self, t, **map): - proc = engine(self.load, self.filters, self.defaults) + ttype = t in self.map and self.map[t][0] or 'default' + proc = self.engines.get(ttype) + if proc is None: + proc = engines[ttype](self.load, self.filters, self.defaults) + self.engines[ttype] = proc + stream = proc.process(t, map) if self.minchunk: stream = util.increasingchunks(stream, min=self.minchunk,
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/test-template-engine Tue May 12 12:05:19 2009 +0200 @@ -0,0 +1,35 @@ +#!/bin/sh + +cat > engine.py << EOF + +from mercurial import templater + +class mytemplater(object): + def __init__(self, loader, filters, defaults): + self.loader = loader + + def process(self, t, map): + tmpl = self.loader(t) + for k, v in map.iteritems(): + v = templater.stringify(v) + tmpl = tmpl.replace('{{%s}}' % k, v) + yield tmpl + +templater.engines['my'] = mytemplater +EOF + +hg init test +echo '[extensions]' > test/.hg/hgrc +echo "engine = $PWD/engine.py" >> test/.hg/hgrc + +cd test +cat > mymap << EOF +changeset = my:changeset.txt +EOF + +cat > changeset.txt << EOF +{{rev}} {{node}} {{author}} +EOF + +hg ci -Ama +hg log --style=./mymap