Fixed #1302 -- Added next_month and previous_month to template contex…

…t in archive_month date-based generic view. Thanks, ubernostrum

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2323 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/generic/date_based.py

@@ -95,7 +95,11 @@ def archive_month(request, year, month, app_label, module_name, date_field,
     Templates: ``<app_label>/<module_name>_archive_month``
     Context:
         month:
-            this month
+            (date) this month
+        next_month:
+            (date) the first day of the next month, or None if the next month is in the future
+        previous_month:
+            (date) the first day of the previous month
         object_list:
             list of objects published in the given month
     """
@@ -126,6 +130,8 @@ def archive_month(request, year, month, app_label, module_name, date_field,
     c = DjangoContext(request, {
         'object_list': object_list,
         'month': date,
+        'next_month': (last_day < datetime.date.today()) and (last_day + datetime.timedelta(days=1)) or None,
+        'previous_month': first_day - datetime.timedelta(days=1),
     }, context_processors)
     for key, value in extra_context.items():
         if callable(value):

docs/generic_views.txt

@@ -192,7 +192,14 @@ The date-based generic functions are:
     Has the following template context:
 
         ``month``
-            The given month (a datetime.datetime object)
+            The given month (a datetime.date object)
+        ``next_month``
+            **New in Django development version.** The first day of the next
+            month, or None if the next month is in the future (a datetime.date
+            object)
+        ``previous_month``
+            **New in Django development version.** The first day of the
+            previous month (a datetime.date object)
         ``object_list``
             List of objects published in the given month