So, I think I have a neat idea for solving my problem, simply make a
function which returns a list of path() returns.
In urls.py
urlpatterns = GetItemPaths() + [
# other paths
]
In models.py:
def GetItemPaths(): paths = [ ]
for i in [ 'Model1', 'Model2', 'Model3' ]:
p = path( i + '/list/', ItemListView.as_view(model=i), name=i +
'_list' )
paths.append(p)
return paths
However, there seems to be a problem with trying to pass the model name to
my CBV ItemListView.
Unless I replace the model=i with e.g. model=Model1 I get the following
error:
'str' object has no attribute '_default_manager'
So it certainly seems that using model=i will not pass the model name.
Is this because the argument for model= expects not a string but an object?
thanks, Mikkel
torsdag den 21. juni 2018 kl. 10.19.08 UTC+2 skrev Mikkel Kromann:
>
> I have a lot of models (say 30 or 40) which are so similar, that I have
> handled them using slightly modified class based views.
>
> In urls.py:
> urlpatterns = [
> path('list/<str:mName>/', ItemListView.as_view()),
> path('create/<str:mName>/', ItemCreateView.as_view()),
> path('update/<str:mName>/<pk>', ItemUpdateView.as_view()),
> path('delete/<str:mName>/<pk>', ItemDeleteView.as_view()),
> ]
>
> However, I'd really like to give all my urls names so that they can be
> easily reversed (e.g. success links).
> urlpatterns = [
> path('list/<str:mName>/', ItemListView.as_view(), name
> =mName+'_list'),
> ]
>
> From what I can see, my model name mName is passed only to the view and
> apparently not to the name constructor inside urls.py
> Also, while I do not entirely understand the reverse naming process, I
> sense that it might not be too easy to reverse the url name if it is not
> spelled out directly.
>
> Are there any options for handling this in urls.py?
> Or should I make a filter that will transform the model name and operation
> name to an url and accept that I have to code url logic outside urls.py
> Or could I reprogram the path() function to make this possible?
> Or should I violate DRY and simply write 4 path lines for each of my 40
> models?
>
>
> cheers + thanks, Mikkel
>
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