diff options
Diffstat (limited to 'mako/cache.py')
| -rw-r--r-- | mako/cache.py | 52 |
1 files changed, 7 insertions, 45 deletions
diff --git a/mako/cache.py b/mako/cache.py index 2e2b09e..2caa131 100644 --- a/mako/cache.py +++ b/mako/cache.py @@ -6,33 +6,10 @@ from mako import exceptions, util +_cache_plugins = util.PluginLoader("mako.cache") -def register_plugin(name, modulename, attrname): - """Register the given :class:`.CacheImpl` under the given - name. - - This is an alternative to using a setuptools-installed entrypoint, - and will work even if Mako isn't installed. ``pkg_resources`` is - required, however. - - """ - import pkg_resources - dist = util.get_pkg_resources_distribution() - entry_map = dist.get_entry_map() - if 'mako.cache' not in entry_map: - entry_map['mako.cache'] = cache_map = {} - else: - cache_map = entry_map['mako.cache'] - cache_map[name] = \ - pkg_resources.EntryPoint.parse( - '%s = %s:%s' % - (name, modulename, attrname), dist=dist) - -try: - register_plugin("beaker", "mako.ext.beaker_cache", "BeakerCacheImpl") -except ImportError: - # in case pkg_resources totally not installed - pass +register_plugin = _cache_plugins.register +register_plugin("beaker", "mako.ext.beaker_cache", "BeakerCacheImpl") class Cache(object): @@ -91,24 +68,7 @@ class Cache(object): self._def_regions = {} def _load_impl(self, name): - try: - import pkg_resources - except ImportError: - # hardcode down to Beaker if the environment - # doesn't have pkg_resources installed - if name == 'beaker': - from mako.ext.beaker_cache import BeakerCacheImpl - return BeakerCacheImpl(self) - else: - raise - for impl in pkg_resources.iter_entry_points( - "mako.cache", - name): - return impl.load()(self) - else: - raise exceptions.RuntimeException( - "Cache implementation '%s' not present" % - name) + return _cache_plugins.load(name)(self) def get_and_replace(self, key, creation_function, **kw): """Retrieve a value from the cache, using the given creation function @@ -117,7 +77,9 @@ class Cache(object): if not self.template.cache_enabled: return creation_function() - return self.impl.get_and_replace(key, creation_function, **self._get_cache_kw(kw)) + return self.impl.get_and_replace(key, + creation_function, + **self._get_cache_kw(kw)) def put(self, key, value, **kw): """Place a value in the cache. |