Merge pull request #35 from gitter-badger/gitter-badge

[django-pagination.git] / linaro_django_pagination / templatetags / pagination_tags.py

diff --git a/linaro_django_pagination/templatetags/pagination_tags.py b/linaro_django_pagination/templatetags/pagination_tags.py
index 1a84c57..f106942 100644 (file)
--- a/linaro_django_pagination/templatetags/pagination_tags.py
+++ b/linaro_django_pagination/templatetags/pagination_tags.py
@@ -37,10 +37,16 @@ from django.template import (
     Context,
     Library,
     Node,
-    TOKEN_BLOCK,
     TemplateSyntaxError,
     Variable,
+    loader,
 )
+
+try:
+    from django.template.base import TOKEN_BLOCK
+except ImportError:     # Django < 1.8
+    from django.template import TOKEN_BLOCK
+
 from django.template.loader import select_template
 from django.utils.text import unescape_string_literal
 
@@ -59,7 +65,7 @@ def do_autopaginate(parser, token):
     # Check whether there are any other autopaginations are later in this template
     expr = lambda obj: (obj.token_type == TOKEN_BLOCK and \
         len(obj.split_contents()) > 0 and obj.split_contents()[0] == "autopaginate")
-    multiple_paginations = len(filter(expr, parser.tokens)) > 0
+    multiple_paginations = len([tok for tok in parser.tokens if expr(tok)]) > 0
 
     i = iter(token.split_contents())
     paginate_by = None
@@ -68,26 +74,26 @@ def do_autopaginate(parser, token):
     orphans = None
     word = None
     try:
-        word = i.next()
+        word = next(i)
         assert word == "autopaginate"
-        queryset_var = i.next()
-        word = i.next()
+        queryset_var = next(i)
+        word = next(i)
         if word != "as":
             paginate_by = word
             try:
                 paginate_by = int(paginate_by)
             except ValueError:
                 pass
-            word = i.next()
+            word = next(i)
         if word != "as":
             orphans = word
             try:
                 orphans = int(orphans)
             except ValueError:
                 pass
-            word = i.next()
+            word = next(i)
         assert word == "as"
-        context_var = i.next()
+        context_var = next(i)
     except StopIteration:
         pass
     if queryset_var is None:
@@ -134,7 +140,11 @@ class AutoPaginateNode(Node):
         self.multiple_paginations = multiple_paginations
 
     def render(self, context):
-        if self.multiple_paginations or "paginator" in context:
+        # Save multiple_paginations state in context
+        if self.multiple_paginations and 'multiple_paginations' not in context:
+            context['multiple_paginations'] = True
+
+        if context.get('multiple_paginations') or getattr(context, "paginator", None):
             page_suffix = '_%s' % self.queryset_var
         else:
             page_suffix = ''
@@ -164,7 +174,7 @@ class AutoPaginateNode(Node):
                     'False, an HTTP 404 page would have been shown instead.')
             context[key] = []
             context['invalid_page'] = True
-            return u''
+            return ''
         if self.context_var is not None:
             context[self.context_var] = page_obj.object_list
         else:
@@ -172,7 +182,7 @@ class AutoPaginateNode(Node):
         context['paginator'] = paginator
         context['page_obj'] = page_obj
         context['page_suffix'] = page_suffix
-        return u''
+        return ''
 
 
 class PaginateNode(Node):
@@ -182,14 +192,12 @@ class PaginateNode(Node):
 
     def render(self, context):
         template_list = ['pagination/pagination.html']
-        to_return = paginate(context)
+        new_context = paginate(context)
         if self.template:
             template_list.insert(0, self.template)
-        t = select_template(template_list)
-        if not t:
-            return None
-        context = Context(to_return)
-        return t.render(context)
+        return loader.render_to_string(template_list, new_context,
+            context_instance = context)
+
 
 
 def do_paginate(parser, token):
@@ -260,7 +268,7 @@ def paginate(context, window=DEFAULT_WINDOW, margin=DEFAULT_MARGIN):
         paginator = context['paginator']
         page_obj = context['page_obj']
         page_suffix = context.get('page_suffix', '')
-        page_range = paginator.page_range
+        page_range = list(paginator.page_range)
         # Calculate the record range in the current page for display.
         records = {'first': 1 + (page_obj.number - 1) * paginator.per_page}
         records['last'] = records['first'] + paginator.per_page - 1
@@ -276,7 +284,7 @@ def paginate(context, window=DEFAULT_WINDOW, margin=DEFAULT_MARGIN):
             window_end = window_end - window_start
             window_start = 0
         if window_end > paginator.num_pages:
-            window_start = window_start - (window_end - paginator.num_pages)
+            window_start = max(0, window_start - (window_end - paginator.num_pages))
             window_end = paginator.num_pages
         pages = page_range[window_start:window_end]
 
@@ -304,9 +312,10 @@ def paginate(context, window=DEFAULT_WINDOW, margin=DEFAULT_MARGIN):
             if pages[-1] != paginator.num_pages:
                 pages.append(None)
 
-        to_return = {
+        new_context = {
             'MEDIA_URL': settings.MEDIA_URL,
             'STATIC_URL': getattr(settings, "STATIC_URL", None),
+            'disable_link_for_first_page': DISABLE_LINK_FOR_FIRST_PAGE,
             'display_disabled_next_link': DISPLAY_DISABLED_NEXT_LINK,
             'display_disabled_previous_link': DISPLAY_DISABLED_PREVIOUS_LINK,
             'display_page_links': DISPLAY_PAGE_LINKS,
@@ -324,10 +333,10 @@ def paginate(context, window=DEFAULT_WINDOW, margin=DEFAULT_MARGIN):
             if 'page%s' % page_suffix in getvars:
                 del getvars['page%s' % page_suffix]
             if len(getvars.keys()) > 0:
-                to_return['getvars'] = "&%s" % getvars.urlencode()
+                new_context['getvars'] = "&%s" % getvars.urlencode()
             else:
-                to_return['getvars'] = ''
-        return to_return
+                new_context['getvars'] = ''
+        return new_context
     except (KeyError, AttributeError):
         return {}