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Fixed #17749 - Documented better way of overriding ModelAdmin; thanks…

… chrisdpratt and claudep.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17582 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit e4f468b9405ce7560dd00a383138f7d15e8549ec 1 parent 1525874
@timgraham timgraham authored
Showing with 3 additions and 4 deletions.
  1. +3 −4 docs/ref/contrib/admin/index.txt
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7 docs/ref/contrib/admin/index.txt
@@ -1278,11 +1278,10 @@ provided some extra mapping data that would not otherwise be available::
pass
def change_view(self, request, object_id, extra_context=None):
- my_context = {
- 'osm_data': self.get_osm_info(),
- }
+ extra_context = extra_context or {}
+ extra_context['osm_data'] = self.get_osm_info()
return super(MyModelAdmin, self).change_view(request, object_id,
- extra_context=my_context)
+ extra_context=extra_context)
.. versionadded:: 1.4
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