Hi, all.

I have a Note model class like this:

class Note(models.Model):
    author = models.ForeignKey(User, related_name='notes')
    content = NoteContentField(max_length=256)

NoteContentField is a custom sub-class of CharField that override the to_python method in purpose of doing some twitter-text-conversion processing.

class NoteContentField(models.CharField):
    __metaclass__ = models.SubfieldBase

    def to_python(self, value):
        value = super(NoteContentField, self).to_python(value)

        from ..utils import linkify
        return mark_safe(linkify(value))

However, this doesn't work.

When I save a Note object like this:

note = Note(author=request.use, 
            content=form.cleaned_data['content'])

The conversed value is saved into the database, which is not what I wanna see.

Would you please tell me what's wrong with this?

Thanks in advance.