* Tim Johnson <[email protected]> [190511 11:20]:
> django 2.1.5 with python 3.7.2
>
> I have a models.py class as follows:
> class Article(models.Model):
> title = models.CharField(max_length=255,)
>
> And I want to override the rendered default size attribute to 100 in
> the input/text form field.
>
> the template rendering is done as follows
> <form method="post">
> {% csrf_token %}
> {{ form.as_p}}
> <button class="btn btn-dark ml-2" type="submit">Save</button>
> </form>
>
> in the application admin.py I have the following:
> class ArticleAdmin(admin.ModelAdmin):
> formfield_overrides = {
> models.CharField: {'widget': TextInput(attrs={'size': '100'}), },
> }
> # registered as
> admin.site.register(Article, ArticleAdmin)
>
> Sadly it appears to have no effect.
> Viewing the rendered source, I do not see a size attribute.
> the field is rendered as:
> <input type="text" name="title" maxlength="255" required id="id_title">
>
Still no luck.
Tried a custom class:
class LongTextinput(TextInput):
def __init__(self, *args, **kwargs):
attrs = kwargs.setdefault('attrs', {})
attrs.setdefault('size', 100)
super(LongTextinput, self).__init__(*args, **kwargs)
...
formfield_overrides = {
models.CharField: {'widget': LongTextinput},
}
No luck.
Replace admin.site.register with decorator:
@admin.register(Article)
still no luck.
ArticleAdmin has an additional item, with
full code below
@admin.register(Article)
class ArticleAdmin(admin.ModelAdmin):
inlines = [CommentInline]
formfield_overrides = {
models.CharField: {'widget': LongTextinput},
}
It appears that inlines is being executed.
It says right here:
https://stackoverflow.com/questions/910169/resize-fields-in-django-admin
that it is supposed to be easy, but after hours of tweaking, I'm convinced that
formfield_overrides is being ignored.
--
Tim Johnson
http://www.tj49.com
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