On Apr 11, 2010, at 5:58 AM, ydjango wrote:
I find all my view method have identical code in start and in end:
anyway to avoid repetition...?
Example:
def typical_view_method(request):
Check if user is authenticated.
Get user and group
Get some session variables
try:
Method specific logic
except Exception, e:
view_logger.error('error in typical_view_method:%s', e)
response = HttpResponse(json_data, mimetype = 'application/json')
response.__setitem__('Cache-Control', 'no-store,no-cache')
response.__setitem__('Pragma', 'no-cache')
response.__setitem__('Expires', '-1')
return response
I use classes that derive from HttpResponse. Something like:
class View(HttpResponse):
def content(self):
template = loader.get_template(self.template_file)
context = RequestContext(
self.request,
self.context_dict(),
processors=self.processors)
return template.render(context)
# ... more of such
class MyView(View):
template_file = 'my_template.html'
processors = (my_processor,)
def __init__(self, request, *args, **kwargs):
self.request, self.args, self.kwargs = request, args, kwargs
super(MyView, self).__init__(self, self.content())
def context_dict(self):
return dict(
var1 = 'var1',
var2 = 'var2',
)
# ... and so on
I will probably post a more extensive code snippet to django-dev and
django-snippets in a few weeks.
Kind regards,
Roald
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