[1607] Fix for alpha pagination when providing unicode and no lookup …

…attribute

ckan/lib/alphabet_paginate.py

@@ -7,7 +7,7 @@
             collection=query,
             page=request.params.get('page', 'A'),
         )
-    Template:            
+    Template:
         ${c.page.pager()}
         ${package_list(c.page.items)}
         ${c.page.pager()}
@@ -21,7 +21,7 @@
 from routes import url_for
 
 class AlphaPage(object):
-    def __init__(self, collection, alpha_attribute, page, other_text, paging_threshold=50, 
+    def __init__(self, collection, alpha_attribute, page, other_text, paging_threshold=50,
                 controller_name='tag'):
         '''
         @param collection - sqlalchemy query of all the items to paginate
@@ -34,7 +34,7 @@ def __init__(self, collection, alpha_attribute, page, other_text, paging_thresho
                               start paginating them.
         @param controller_name - The name of the controller that will be linked to,
                             which defaults to tag.  The controller name should be the
-                            same as the route so for some this will be the full 
+                            same as the route so for some this will be the full
                             controller name such as 'A.B.controllers.C:ClassName'
         '''
         self.collection = collection
@@ -47,8 +47,8 @@ def __init__(self, collection, alpha_attribute, page, other_text, paging_thresho
         for c in self.collection:
             x = c if isinstance( c, unicode ) else getattr(c, self.alpha_attribute)[0]
             self.available[x] = self.available.get(x, 0) + 1
-            
-        
+
+
 
     def pager(self, q=None):
         '''Returns pager html - for navigating between the pages.
@@ -72,10 +72,10 @@ def pager(self, q=None):
                 if self.available.get(letter, 0):
                     page_element = HTML.a(class_='pager_link', href=url_for(controller=self.controller_name, action='index', page=letter),c=letter)
                 else:
-                    page_element = HTML.span(class_="pager_empty", c=letter)                    
+                    page_element = HTML.span(class_="pager_empty", c=letter)
             else:
                 page_element = HTML.span(class_='pager_curpage', c=letter)
-            pages.append(page_element)                           
+            pages.append(page_element)
         div = HTML.tag('div', class_='pager', *pages)
         return div
 
@@ -89,7 +89,7 @@ def items(self):
                 attribute = getattr(query.table.c,
                                     self.alpha_attribute)
             elif sqav.startswith("0.5"):
-                 attribute = getattr(query._entity_zero().selectable.c,	
+                 attribute = getattr(query._entity_zero().selectable.c,
                                      self.alpha_attribute)
             else:
                 entity = getattr(query.column_descriptions[0]['expr'],
@@ -111,13 +111,15 @@ def items(self):
             if self.item_count >= self.paging_threshold:
                 if self.page != self.other_text:
                     if isinstance(self.collection[0], dict):
-                        items = [x for x in self.collection if x[self.alpha_attribute][0:1].lower() == self.page.lower()]                        
+                        items = [x for x in self.collection if x[self.alpha_attribute][0:1].lower() == self.page.lower()]
+                    elif isinstance(self.collection[0], unicode):
+                        items = [x for x in self.collection if x[0:1].lower() == self.page.lower()]
                     else:
                         items = [x for x in self.collection if getattr(x,self.alpha_attribute)[0:1].lower() == self.page.lower()]
                 else:
                     # regexp search
                     if isinstance(self.collection[0], dict):
-                        items = [x for x in self.collection if re.match('^[^a-zA-Z].*',x[self.alpha_attribute])]                        
+                        items = [x for x in self.collection if re.match('^[^a-zA-Z].*',x[self.alpha_attribute])]
                     else:
                         items = [x for x in self.collection if re.match('^[^a-zA-Z].*',x)]
                 items.sort()