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[1.3.X] Fixed #17749 - Documented better way of overriding ModelAdmin…

…; thanks chrisdpratt and claudep.

Backport of r17582 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.3.X@17583 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 38715d8af83ba73db6f80c832fe04089f2cc6644 1 parent b45fbc6
@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
@@ -1045,11 +1045,10 @@ 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)
``ModelAdmin`` media definitions
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