no specific reason. This value is later converted to json, and consumed by javascript from Ajax call..
this was the simplest way I thought, without being obliged to rewrite an one ton of code. ( yes it is a lovely project with spaghetti code, which I hope will one day be authorized to rewrite it from scratch. :-( ) On Thu, Mar 31, 2016 at 11:28 AM, Simon Charette <charett...@gmail.com> wrote: > Hi Fábio, > > Since the deprecation of `SubfieldBase`[1] you must implement a > `from_db_value()`[2] method to convert the value as returned by the > database > to the correct Python object. > > Out of curiosity, is there a reason you are doing this the model level? It > looks like something that belongs to the form or template layer. > > Cheers, > Simon > > > [1] https://docs.djangoproject.com/en/1.9/releases/1.8/#subfieldbase > [2] > https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.Field.from_db_value > > > Le jeudi 31 mars 2016 10:15:38 UTC-4, Fabio Caritas Barrionuevo da Luz a > écrit : >> >> Hello django-users, >> >> I have a unmanaged model, of legacy database, used only to read. >> >> I need to clean the value of a field returned in a annotated query. >> >> I try created a new model field inherits from TextField and override >> to_python method to clean the value (remove all html using python-bleach), >> and use in a query like: >> >> FooBar.objects.annotate(title=ExpressionWrapper(F('html_title'), >> output_field=RemoveHTMLTextField())) . >> >> I expected the method to_python was called, but it does not. >> >> Any idea how to solve this problem? >> >> this is probably wrong, but it was the only way I thought so far.... >> >> >> #### >> import bleach >> from django.db import models >> from django.template.defaultfilters import striptags >> from django.utils.safestring import mark_safe >> >> >> class RemoveHTMLTextField(models.TextField): >> def to_python(self, value): >> original_value = super(RemoveHTMLTextField, self).to_python(value) >> striped_str = striptags(original_value) >> return mark_safe(bleach.clean(striped_str)) >> #### >> >> >> >> >> -- >> Fábio C. Barrionuevo da Luz >> Palmas - Tocantins - Brasil - América do Sul >> >> http://pythonclub.com.br/ >> >> Blog colaborativo sobre Python e tecnologias Relacionadas, mantido >> totalmente no https://github.com/pythonclub/pythonclub.github.io . >> >> Todos são livres para publicar. É só fazer fork, escrever sua postagem e >> mandar o pull-request. Leia mais sobre como publicar em README.md e >> contributing.md. >> Regra básica de postagem: >> "Você" acha interessante? É útil para "você"? Pode ser utilizado com >> Python ou é útil para quem usa Python? Está esperando o que? Publica logo, >> que estou louco para ler... >> >> -- > 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 django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > 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/444e33cb-5f81-4339-a751-95e7314e3770%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/444e33cb-5f81-4339-a751-95e7314e3770%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Fábio C. Barrionuevo da Luz Palmas - Tocantins - Brasil - América do Sul http://pythonclub.com.br/ Blog colaborativo sobre Python e tecnologias Relacionadas, mantido totalmente no https://github.com/pythonclub/pythonclub.github.io . Todos são livres para publicar. É só fazer fork, escrever sua postagem e mandar o pull-request. Leia mais sobre como publicar em README.md e contributing.md. Regra básica de postagem: "Você" acha interessante? É útil para "você"? Pode ser utilizado com Python ou é útil para quem usa Python? Está esperando o que? Publica logo, que estou louco para ler... -- 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 django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. 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/CAPVjvMYQWDoGfuyqTk5SXEKPcx47YUnRQPicGy9htQxSwmdQhA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
