Fixed docstring in template loader.

Fixed wrong return types in FileSystemBackend.

git-svn-id: https://django-dbtemplates.googlecode.com/svn/trunk@59 cfb8ba98-e953-0410-9cff-959ffddf5974

committer: leidel <leidel@cfb8ba98-e953-0410-9cff-959ffddf5974>

--HG--
extra : convert_revision : 7ea05e043c43c23fbf846bc9ddd80400519631e2

dbtemplates/cache.py

@@ -62,7 +62,7 @@ class FileSystemBackend(BaseCacheBackend):
             self.cache_dir = getattr(settings, 'DBTEMPLATES_CACHE_DIR', None)
             self.cache_dir = os.path.normpath(self.cache_dir)
             if not os.path.isdir(self.cache_dir):
-                raise Exception
+                pass
         except:
             raise ImproperlyConfigured('You\'re using the dbtemplates\' file system cache backend without having set the DBTEMPLATES_CACHE_DIR setting to a valid value. Make sure the directory exists and is writeable for the user your Django instance is running with.')
         super(FileSystemBackend, self).__init__()
@@ -75,7 +75,7 @@ class FileSystemBackend(BaseCacheBackend):
             filepath = self._filepath(name)
             return open(filepath).read().decode('utf-8')
         except:
-            raise None
+            return None
 
     def save(self, name, content, retry=False):
         try:

dbtemplates/loader.py

@@ -7,12 +7,10 @@ from dbtemplates.models import Template, backend
 
 def load_template_source(template_name, template_dirs=None):
     """
-    Tries to load the template from DBTEMPLATES_CACHE_DIR. If it does not
-    exist loads templates from the database by querying the database field
-    ``name`` with a template path and ``sites`` with the current site,
-    and tries to save the template as DBTEMPLATES_CACHE_DIR/``name`` for
-    subsequent requests. If DBTEMPLATES_CACHE_DIR is not configured falls
-    back to database-only operation.
+    Tries to load the template from the dbtemplates cache backend specified
+    by the DBTEMPLATES_CACHE_BACKEND setting. If it does not find a template
+    it falls back to query the database field ``name`` with the template path
+    and ``sites`` with the current site.
     """
     display_name = 'db:%s:%s' % (settings.DATABASE_ENGINE, template_name)
     if backend: