Made the form display on the setup view display the function's docstring by default

apps/documents/conf/settings.py

@@ -10,6 +10,16 @@ from common.utils import proper_name
 
 from storage.backends.filebasedstorage import FileBasedStorage
 
+
+def default_checksum(x):
+    """hashlib.sha256(x).hexdigest()"""
+    return hashlib.sha256(x).hexdigest()
+
+
+def default_uuid():
+    """unicode(uuid.uuid4())"""
+    return unicode(uuid.uuid4())
+    
 default_available_functions = {
     'current_date':datetime.datetime.now().date,
 }
@@ -22,7 +32,6 @@ available_transformations = {
     'rotate': {'label':_(u'Rotate [degrees]'), 'arguments':[{'name':'degrees'}]}
 }
 
-
 available_indexing_functions = {
     'proper_name': proper_name
 }
@@ -42,8 +51,8 @@ UNCOMPRESS_COMPRESSED_LOCAL_FILES = getattr(settings, 'DOCUMENTS_UNCOMPRESS_COMP
 UNCOMPRESS_COMPRESSED_STAGING_FILES = getattr(settings, 'DOCUMENTS_UNCOMPRESS_COMPRESSED_STAGING_FILES', True)
 
 # Saving
-CHECKSUM_FUNCTION = getattr(settings, 'DOCUMENTS_CHECKSUM_FUNCTION', lambda x: hashlib.sha256(x).hexdigest())
-UUID_FUNCTION = getattr(settings, 'DOCUMENTS_UUID_FUNCTION', lambda:unicode(uuid.uuid4()))
+CHECKSUM_FUNCTION = getattr(settings, 'DOCUMENTS_CHECKSUM_FUNCTION', default_checksum)
+UUID_FUNCTION = getattr(settings, 'DOCUMENTS_UUID_FUNCTION', default_uuid)
 
 # Storage
 STORAGE_BACKEND = getattr(settings, 'DOCUMENTS_STORAGE_BACKEND', FileBasedStorage)

apps/main/views.py

@@ -120,7 +120,7 @@ def check_settings(request):
 
 def _return_type(value):
     if isinstance(value, types.FunctionType):
-        return _(u'function found')
+        return value.__doc__ if value.__doc__ else _(u'function found')
     elif isinstance(value, types.ClassType):
         return _(u'class found: %s') % unicode(value).split("'")[1].split('.')[-1]
     elif isinstance(value, types.TypeType):