from django.template.loader import render_to_string
-from manifold.metadata import MetaData
+from manifoldapi.metadata import MetaData
from unfold.prelude import Prelude
-
-from myslice.config import Config
+from unfold.sessioncache import SessionCache
+
+from myslice.configengine import ConfigEngine
+from myslice.settings import logger
# decorator to deflect calls on this Page to its prelude
def to_prelude (method):
# needs to be called explicitly and only when metadata is actually required
# in particular user needs to be logged
def get_metadata (self):
- # look in session's cache - we don't want to retrieve this for every request
- session=self.request.session
-
- if 'manifold' not in session:
- session['manifold'] = {}
- manifold = session['manifold']
-
- # if cached, use it
- if 'metadata' in manifold and isinstance(manifold['metadata'],MetaData):
- if debug: print "Page.get_metadata: return cached value"
- return manifold['metadata']
+ cached_metadata = SessionCache().get_metadata(self.request)
+ if cached_metadata and isinstance(cached_metadata, MetaData):
+ logger.debug("Page.get_metadata: return cached value")
+ return cached_metadata
metadata_auth = {'AuthMethod':'anonymous'}
- metadata=MetaData (metadata_auth)
+ metadata = MetaData (metadata_auth)
metadata.fetch(self.request)
- # store it for next time
- manifold['metadata']=metadata
- if debug: print "Page.get_metadata: return new value"
+ SessionCache().store_metadata(self.request, metadata)
+ logger.debug("Page.get_metadata: return new value")
return metadata
def expose_js_metadata (self):
# xxx this is fetched synchroneously..
self.add_js_init_chunks("var MANIFOLD_METADATA =" + self.get_metadata().to_json() + ";\n")
+ def expose_js_var(self, name, value):
+ # expose variable as a js value
+ self.add_js_init_chunks("var " + name + "=" + value + ";\n")
+
def expose_js_manifold_config (self):
- config=Config()
- self.add_js_init_chunks(config.manifold_js_export())
+ self.add_js_init_chunks(ConfigEngine().manifold_js_export())
#################### requirements/prelude management
# just forward to self.prelude - see decorator above