If anyone is interested, I've cleaned the errors in admin templates: Ticket: https://code.djangoproject.com/ticket/28529 PR: https://github.com/django/django/pull/8973
The fixes are quite simple. The biggest problem is sometimes to find out, in which template the bug actually appears. Vlastik Dne pátek 25. srpna 2017 9:28:30 UTC+2 Vlastimil Zíma napsal(a): > > Apparently there is number of errors in admin templates. I suggest to fix > the templates. I my experience, the most cases are missing if statements or > missing context variables. These can be fixed very easily and produce > cleaner templates. I consider this much better solution than just ignoring > error messages. > > As Anthony suggested, the main problem is more often the fuzziness of the > messages, which do not often properly state template, line or expression > which is incorrect. This makes it difficult to resolve them in some cases. > > Vlastik > > Dne čtvrtek 24. srpna 2017 17:21:38 UTC+2 Tim Graham napsal(a): >> >> We received a report that shows the large number of undefined variable >> warnings when rendering an admin changelist page [0]. >> >> I'm still not sure what the solution should be, but I created #28526 [1] >> to track this problem: finding a remedy to the problem of verbose, often >> unhelpful logging of undefined variables. >> >> I don't think "the end goal of errors raising when using undefined >> variables" is feasible. My sense is that relying on the behavior of >> undefined variables is too entrenched in the Django template language to >> change it at this point. (If someone wanted to try to fix all the warnings >> in the admin templates, that might provide a useful data point). See the >> "Template handling of undefined variables" thread [2] for a longer >> discussion. >> >> [0] https://code.djangoproject.com/ticket/28516 >> [1] https://code.djangoproject.com/ticket/28526 >> [2] >> https://groups.google.com/d/topic/django-developers/LT5ESP0w0gQ/discussion >> >> On Tuesday, June 20, 2017 at 4:12:52 AM UTC-4, Anthony King wrote: >>> >>> -1 for removing logs. Like Vlastimil, it's helped me spot a couple of >>> stray bugs. >>> >>> What I'd actually like to see is this becoming stricter, with the end >>> goal of errors raising when using undefined variables. >>> >>> For the verbosity, perhaps there's a middle ground? only log once per >>> variable access per template context, and provide a formatter that will >>> clean up the output? >>> >>> I believe in debug mode, you have access to line numbers and character >>> positions, so the final output could look something like this: >>> >>> `` >>> some_app/home.html:32:24: Undefined variable: *missing_variable* >>> `` >>> >>> I'm unsure how much effort this would take, but it would definitely make >>> the logging a lot more user + developer friendly. >>> >>> On 20 June 2017 at 08:48, Vlastimil Zíma <vlas...@ziima.cz> wrote: >>> >>>> -1 to the removal. I was annoyed by the logging at first, but then I >>>> started to clean individual logs. Half way through, I found several usages >>>> of long removed variables, one unused template (as a side effect) and I >>>> updated several views to always provide defined context variables. >>>> >>>> All in all, I consider the warnings very useful for a cleaning, though >>>> I wouldn't be against an option to silence them. Which can already by >>>> accomplished by LOGGING, can't it? >>>> >>>> Vlastik >>>> >>>> Dne neděle 26. března 2017 11:14:23 UTC+2 Melvyn Sopacua napsal(a): >>>>> >>>>> On Thursday 16 March 2017 12:03:07 Tim Graham wrote: >>>>> >>>>> > Ticket #18773 [0] added logging of undefined template variables in >>>>> >>>>> > Django 1.9 [1], however, I've seen several reports of users finding >>>>> >>>>> > this logging more confusing than helpful. >>>>> >>>>> >>>>> >>>>> With channels hitting 2.0 and the already large stack of moving parts >>>>> surrounding Django you need some basic system administration skills and >>>>> programming experience to work with the system. And there are quite a few >>>>> examples to link to from the user's list that deal with those moving >>>>> parts >>>>> rather then Django itself. It is not an application that you >>>>> download, install and run. >>>>> >>>>> >>>>> >>>>> An introduction "What you need to know before starting Django" would >>>>> help a lot in this respect and explaining the noisiness of some logging >>>>> belongs in there. >>>>> >>>>> >>>>> >>>>> Because it *is* useful if you defined that variable to True in your >>>>> settings, and it's working in all projects but this one. It could be >>>>> there's an extra piece of context middleware that uses the same name and >>>>> deletes the variable from the context. It could be there's a Mixin >>>>> missing >>>>> in the view hierarchy. Or a typo you don't notice anymore after plowing >>>>> through 20+ included template bits. >>>>> >>>>> >>>>> >>>>> Noisy logging is exactly what you want when debugging. It should log >>>>> things that may be working as designed, especially things that are >>>>> ambiguous (like undefined and false). >>>>> >>>>> >>>>> >>>>> Another thing is that logging is the ugly duckling of Django. It's not >>>>> mentioned much if at all in the tutorial. It is not mentioned at all in >>>>> "How to write reusable apps" and it shows in the eco system. It's like >>>>> finding a diamond when an app actually has logging implemented. >>>>> >>>>> >>>>> >>>>> But it also means that novice users touching the LOGGING configuration >>>>> are exceptions and I don't think Django should cater to the exceptions. >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Melvyn Sopacua >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Django developers (Contributions to Django itself)" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to django-develop...@googlegroups.com. >>>> To post to this group, send email to django-d...@googlegroups.com. >>>> Visit this group at https://groups.google.com/group/django-developers. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/django-developers/80fafa13-ef3b-4b8c-9376-cc63b1776cb8%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/django-developers/80fafa13-ef3b-4b8c-9376-cc63b1776cb8%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- You received this message because you are subscribed to the Google Groups "Django developers (Contributions to Django itself)" group. 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