Hi Thanks for your help Melvyn and Daniel.I was not familiar with this pattern. Good to hear that there is nothing actually wrong with the code.
- np On Saturday, 11 March 2017 19:03:54 UTC+2, Melvyn Sopacua wrote: > > On Saturday 11 March 2017 07:55:58 np wrote: > > > > > being caught. However, I do not understand why should I just *suppress > > > *Exceptions/KeyErrors in the templates? I did not understand *why* > > > this exception is raised. If there is no such variable as 'is_popup', > > > shoudn't I just provide one? Forgive me for asking if the answer is > > > too trivial. > > > > The admin reuses templates (and forms and views) for a popup window. It > does so for the "plus" and "edit" buttons for foreign relations. > > > > It is a common pattern to "define something is it applies" and it be > undefined if it doesn't. It's kind of a shortcut boolean that saves an > extra line in the code. > > Django template code tries to keep programming out of the template, so > undefined and false are for all intents and purposes identical in > comparisons. > > > > The exception is logged, so that one is still able to determine why code > fails that you think shouldn't fail. > > -- > > Melvyn Sopacua > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/7bf8ebc7-f166-491a-8a67-10f94e3f4a37%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
