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 <[email protected]> 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 [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/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 [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/CAPVjvMYQWDoGfuyqTk5SXEKPcx47YUnRQPicGy9htQxSwmdQhA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
